technical data manualgreenwoodlands.org/images/viessmann_vitodens-200-tdm.pdf · 2011-06-09 ·...

Vitodens 200, WB2-24C/24/32 Vitodens 200, WB2-44/60(with preinstalled vent pipe adaptor)

VITODENS 200Gas-fired wall-mounted condensing boiler

25 to 230 MBH/7 to 67 kWMulti-boiler installation 344 to 920 MBH/

Vitodens 200

WB2 Series

Gas-Fired Wall-Mounted Condensing Boilerwith modulating MatriX-compact gas burnerfor room air independent operation(using a direct vent system and room airdependent operation)

For Natural Gas and Liquid PropaneHeating input NG 25 to 230 MBH

7 to 67 kWHeating input LP 25 to 214 MBH

7 to 63 kW

Technical Data ManualModel Nos. and pricing: see Price List

5167 472 v3.2 11/2006

Product Information

2

VITODENS 200

The Vitodens 200 is a high-qualitycondensing boiler made of stainless steel,developed in accordance with the latestachievements of the condensing boilertechnology industry. In terms of energyusage, for example, the Vitodens 200 isuncompromising: Thanks to the innovativecondensing technology of the boiler withmodulating MatriX-compact gas burner andthe especially developed Inox-Radial heatexchanger surface, made of stainless steel,the Vitodens 200 reaches an A.F.U.E. of upto 95.2%.

The benefits at a glance:

HHighest efficiency with full modulationup to 98%A.F.U.E.: up to 95.2%.

HMaximum reliabilityHigh-alloy stainless steel (SA240 316Ti)Inox-Radial heat exchanger constructed incompliance with CSA B51 and ASMESection IV.Maximum pressure rating: 45 psig.

HProtect the environmentExtemely low emissions with modulatingMatriX-compact gas burner.NOx: 8.9 ppm (air-free)CO: 5.5 ppm (air-free)

HCompact, lightweight design.Zero clearance to combustibles. Limitedspace is not an issue.

HClean, esthetically pleasing appearance forinstallation anywhere in your living area.

HExtremely quiet operation; quieter thanmost refrigerators.

HSmart burner technologyFactory calibrated, self-adjusting burner.No adjusting in the field, reducedoperating cost.

HPowerful and user-friendly outdoor resetcontrol, built-in and prewired withdiagnostic system.Controls multi-temperature space heatingand DHW systems.

HReliable DHW production two ways:- Combi model features an integratedDHW Quick System. No DHW tankrequired.

- Unlimited DHW supply with astand-alone DHW tank with any otherVitodens 200.

HThree different venting options:- Horizontal or vertical sealed combustionvent system (factory suplied)

- Vertical single-wall vent systm (fieldsupplied)

HMulti-boiler installationModels WB2-44 and -60 can be combinedto a maximum of 4 boilers. Ideal for lightcommercial applications.

HOne version for all elevation levels(0 to 10 000 ft. / 0 to 3048 m).

HFast, simple conversions to natural orpropane gas.

Vitodens 200 –Models WB2 11-44 and 15-60

172 MBH to 230 MBH/50 kW to 67 kW

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Product InformationCross-Section

Vitodens 200, WB2 6-24C(25-91 MBH/7-27 kW) shown.

Product may not be exactly as illustrated.

3

Fully modulating MatriX-compactgas burner – for extremely lowemission levels

Inox-Radial heat exchangersurfaces made of stainlesssteel – for increasedoperational reliability,a long service life and highheating output with minimumspace requirements

Integrated, weather-responsive,variable speed KM-BUS pump

Instantaneous DHW stainlesssteel plate heat exchanger(WB2 Combi Series)

Gas and water pipeconnections

Weather-responsive, digitalboiler control withmenu-drivenprogramming unit

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Vitodens 200

4

Technical DataCombi Series Standard heating boiler

Boiler Model Model No. WB2 6-24C WB2 6-24 WB2 8-32 WB2 11-44 WB2 15-60

Natural gasCSA input

CSA output/DOE*1

heating capacity

MBHkWMBHkW

25-917-27

22-816-24

25-917-27

22-816-24

37-12411-36

33-11210-32

55-17216-50

49-15414-44

80-23023-67

71-20621-60

Net I=B=R rating*2 MBH 70 70 97 133 178

Propane gasCSA input

CSA output/DOE*1

heating capacity

MBHkWMBHkW

25-817-24

22-736-21

25-817-24

22-736-21

37-11211-33

33-10110-30

55-15516-45

49-13914-40

80-21423-63

71-19221-56

Net I=B=R rating*2 MBH 63 63 88 120 166

Heat exchanger surface area ft.2

m28.220.76

8.220.76

9.910.92

20.911.94

20.911.94

Min. gas supply pressureNatural gasPropane gas

“w.c.“w.c.

411

411

411

411

711

Max. gas supply pressure*3

Natural gasPropane gas

“w.c.“w.c.

1414

1414

1414

1414

1414

A.F.U.E. % 95.2 95.2 95.2 95.2 95.2

Weight lbskg

15972

14365

16575

21497

21497

Boiler water content USGltr

1.14.0

1.14.0

1.24.6

4.316.45

4.316.45

Integrated pump flow rateat 6.6 ft./2 m head pressure*4

GPMltr/h

4.61050

4.61050

4.61050

––––

––––

Boiler max. flow rate*5 GPMltr/h

6.21400

6.21400

7.01600

15.43500

15.43500

Max. operating pressureat 210 ºF/99 ºC

psigbar

453

453

453

453

453

Boiler water temperature– Adjustable high limit (AHL)range

space heating(steady state)DHW production

– Fixed high limit (FHL)

ºF/ºCºF/ºCºF/ºC

68 to 167/20 to 75

108 to 172/42 to 78210/99

Boiler connectionsBoiler heating supply and return NPTM “Pressure relief valve NPTF “Drain valve (male

thread)

Boiler supply/return forindirect-fired DHW storage tank NPTM ”

¾¾¾

––

¾¾¾

¾

¾¾¾

¾

1¼¾¾

1¼

1¼¾¾

1¼*1Output based on 140ºF / 60ºC, 120 ºF / 49ºC system supply/return temperature.*2Net I=B=R rating based on piping and pick-up allowance of 1.15.*3If the gas supply pressure exceeds the maximum gas supply pressure value, a separate gas pressure regulator must be installed upstream of theheating system.

*4With pump rotational speed set to 100% flow capacity (2700 rpm), see Coding Address 045 in the Vitodens 200 Start-up/Service Instructions.Pump factory default setting is 65% flow capacity (2000 rpm).

*5See “Typical System Flow Rates” on page 8 in this manual.

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Vitodens 200

5

Combi Series Standard heating boiler

Boiler Model Model No. WB2 6-24C WB2 6-24 WB2 8-32 WB2 11-44 WB2 15-60

DimensionsOverall depth

Overall width

Overall height

Height with flue gas elbow(accessory)

inchesmminchesmminchesmminchesmm

1640619¾50035½90044

1116

1640619¾50035½90044

1116

1640619¾50035½90044

1116

21½55023½60035½90047¼1200

21½55023½60035½90047¼1200

Gas supply connection NPTF “ ½ ½ ½ ¾ ¾

Standby instantaneous DHWplate heat exchangerof Combi boiler*6

Water content DHW sideInhalt heating water

side

USG/ltrUSG/ltr

0.26/1.000.18/0.70

––––

––––

––––

––––

Connections DHW and DCW NPTF “ ½ –– –– –– ––

Max. operating pressure(DHW side)*7

DHW supply temp. rangeContinuous draw ratewith a temperature increasefrom 50 to 113 ºF/10 to 45 ºCDraw rate range

psig/bar

ºF/ºCGPHltr/h

GPMltr/min

150/10

100-135/38-57156590

0.8-2.13-8

––

––––––

––––

––

––––––

––––

––––

––––

––––

––––

––––

––––

Flue gas*8

Temperature (at boiler returntemperature of 86 ºF/30 ºC)– at rated full load– at rated partial load

Temperature (at boiler returntemperature of 140 ºF/60 ºC)

ºF/ºCºF/ºC

ºF/ºC

113/4595/35

158/70

113/4595/35

158/70

113/4595/35

158/70

95/3591/33

149/65

104/4095/35

158/70

Average condensateflow rate*9

with natural gas and– TS/TR =167/140ºF/75/60 ºC

– TS/TR =104/86ºF/40/30 ºC

USG/dayltr/dayUSG/dayltr/day

2-2.68-10

2.9-3.411-13

2-2.68-10

2.9-3.411-13

2.6-310-124-4.515-17

2.9-411-153.7-514-19

4.8-5.818-226-7.423-28

Condensate connection*10 hosenozzle∅ in 1 1 1 1 1

Boiler flue gas connection*11 ∅in/mm 3¼/80 3¼/80 3¼/80 4¼/110 4¼/110

Combustion air supplyconnection*11

outer∅ in/mm 5/125 5/125 5/125 6/150 6/150

*6 Minimum pressure for domestic cold water connection 1 bar/15 psig.*7 See DHW sizing chart on page 11 in this manual.*8 Measured flue gas temperature with a combustion air temperature of 68 °F/20 °C.*9 Based on typical boiler cycles, including partial load conditions.*10 Requires 1”/25 mm tubing. See Vitodens 200 Installation Instructions for details.*11 For side wall vent installations:

Do not exceed max. equivalent length of 20 ft./6 m as stated in the Installation Instructions of the Vitodens 200 Venting System.A maximum of five elbows may be installed in the vent system.Do not attempt to common-vent Vitodens 200 with any other appliance.Venting material to be supplied by Viessmann only; side wall vent installation must include Viessmann protective screen!For details refer to the venting section starting on page 17 or the Installation Instructions for the Vitodens 200 Venting System.

"For information regarding other Viessmann System Technology componentry, please reference documentation of respective product.

5167472v3

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Vitodens 200

78”/1975mm

(from

floo

rleve

l,reco

mmen

ded)

GC BR

DR/DCW

15”/380 mm

BS

10”/250 mm

FFL

5”/125 mm

38”/965mm

BD37”/938mm

16”/406 mm(Depth)

(Heigh

t)

DS/DHW

PRVAV

6¼”/158 mm

4¾“/120 mm

73/8“/187 mm

12¼”/314 mm

9¾”/250 mm

19¾”/500 mm (Width)

6

Vitodens 200 up to model WB2 8-32

LegendAV Air VentBD Boiler DrainBR Boiler ReturnBS Boiler SupplyFFL Finished Floor LevelGC Gas ConnectionPRV Pressure Relief Valve

Only for Combi heating boilerDCW Domestic Cold Water ½”DHW Domestic Hot Water ½”

Only for standard heating boilerDR Boiler heating return for domestic hot

water production ¾”DS Boiler heating supply for domestic hot

water production ¾”

5167472v3

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Vitodens 200/Technical Data

78”/1975mm

(from

floo

rleve

l,reco

mmen

ded)

3”/75 mm

12”/300 mm

FFL

(

AV

2”/50 mm

53”/1346mm

8½”/215 mm

21¼”/

(Heigh

t)

73/8“/187 mm

11¾”/300 mm

16¼”/413 mm

20¾”/525 mm23½”/600 mm (Width)

Ø 6”/150 mm

AV9“/229mm

6½

“/165mm

550 mm

BRBD

DS

BS GC

DR

PRV

7

Vitodens 200 model WB2 11-44 and up

LegendAV Air VentBD Boiler drainBR Boiler ReturnBS Boiler SupplyDR Boiler heating return for domestic

hot water production 1¼”DS Boiler heating supply for domestic

hot water production 1¼”FFL Finished Floor LevelGC Gas ConnectionPRV Pressure Relief Valve

Recommended Minimum Service Clearances Minimum Clearances to Combustibles

Top Front Rear Left Right Vent pipe*1

0 0 AL, CL 0 0 0 0AL = AlcoveCL = Closet*1Refer to the Installation Instructions of the Vitodens 200Venting System for details.

Note:The Vitodens boiler has passed the zeroinches vent clearance to combustiblestesting requirements dictated by theHarmonized Standard ANSI Z21.13. CSA4.9.2000 and therefore is listed for zeroclearance to combustibles when ventedwith a single wall special venting system(AL-29-4C material). The zero inches ventclearance to combustibles for the Vitodensboiler supercedes the clearance tocombustibles listing that appears on thespecial venting system label.

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Front

12”/305 mm

Top12”/305 mm

0”/mm

28”/700 mm

Side

0”/mm

Back

Side

Technical Data

Pressure drop up to model WB2 8-32Pressure drop model WB2 11-44 and up0

1

2

3

4

5

6

7

8

0

3.3

6.6

9.8

13.1

16.4

19.7

23

26

Sup

plyhe

adpres

sure

ft.

m

0 2.2 4.4 6.6 8.8 11 13.2

Flow rate

15.41.10 500 1000 1500 2000 2500 3000 3500250 ltr/h

GPM

8

Waterside Flow (primary circuit)

The Vitodens 200 is designed only for closed loop, forced circulationhot water heating systems.

Pressure drop (primary circuit) of Vitodens 200

Typical System Flow Rates

Model WB2 6-24C* 6-24 8-32 11-44 15-60

∆ t for NG

Output (NG) Btu/h 81 000 81 000 112 000 154 000 206 00020 ºF rise (GPM) 8.1 8.1 11.2 15.3 20.525 ºF rise (GPM) 6.5 6.5 9.0 12.2 16.430 ºF rise (GPM) 5.4 5.4 7.5 10.2 13.735 ºF rise (GPM) 4.6 4.6 6.4 8.7 11.740 ºF rise (GPM) 4.1 4.1 5.6 7.6 10.2

∆ t for LP

Output (LG) Btu/h 73 000 73 000 101 000 139 000 192 00020 ºF rise (GPM) 7.3 7.3 10.1 13.8 19.125 ºF rise (GPM) 5.8 5.8 8.1 11.0 15.330 ºF rise (GPM) 4.9 4.9 6.7 9.2 12.735 ºF rise (GPM) 4.2 4.2 5.8 7.9 10.940 ºF rise (GPM) 3.7 3.7 5.1 6.9 9.6

Use standard friction loss method for pipe sizing.Observe boiler maximum and minimum flow rate limitations. If system flow rate exceedsboiler maximum flow rate (as stated on page 4) or if system flow rate is unknown, Viessmann stronglyrecommends the installation of a low-loss header. See page 34 for low-loss header information.

5167472v3

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A low-loss header must be used when the system flowrate exceeds the maximum (or minimum) flow rate of theVitodens 200 boiler. Once the low-loss header isconnected, the built-in low-loss header logic of theVitodens 200 boiler ensures the required ∆ t across thesystem through the sensory communication between thelow-loss header and the boiler.

*Please note that the low-loss header cannot be usedwith the Vitodens 200, WB2 6-24C Combi boiler.

Please see page 35 for details.

Heating Circuit Pumps

With pump rotational speed set to 100% flow capacity (2700 rpm);see Coding Address 045 in the Vitodens 200Start-up/Service Instructions.Pump factory default setting is 65% flow capacity (2000 rpm).

6

5

4

3

2

1

0

19.7

16.4

13.1

9.8

6.6

3.3

0 mft.

Hea

dpres

sure

0.88 1.32 1.76 2.2 2.64 3.08 3.52 3.96 4.4 4.84 5.28 5.72 6.16 6.6 7.04

Flow rate200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 ltr/h

GPM

9

Heating Circuit Pumps

Built-in variable speed heating circuit pumpfor Vitodens 200 up to model WB2 8-32

Pump rotational speed is transmitted via aninternal data BUS to the pump and adjustedby the control unit based on the outdoortemperature and the activation periods fornormal and reduced heating.

In the factory default setting, the maximumpump rotational speed is preset to2000 rpm (coding address ”045”) and theminimum pump speed to 1100 rpm (codingaddress ”044”).

Pump Model Grundfos VIUPE-60 BUS

Rated voltageRated current

CapacitorPowerconsumption

VACA max.A min.μFW max.W min.

2300.450.212.510050

Vitodens 200 up to model WB2 8-32 (residual head pressure of built-in variable speed pump)

Field supplied system heating circuit pumpsfor Vitodens 200 (all models)

Viessmann offers a variety of prewiredGrundfos system heating circuit pumps (see“Heating circuit pump (field supplied)” in theInstallation Examples on pages 39 to 48)which meet typical Vitodens systeminstallation requirements.See Price List for order information.

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Heating Circuit Pumps/DHW Production

Pump selection must be based on accuratesystem flow and pressure drop calculations(incl. DHW sizing). Viessmann offers a varietyof prewired Grundfos circulating pumps whichmeet typical Vitodens system installationrequirements.See Price List for order information.

The following prewired standard Grundfospumps are available for operation with theVitodens 200, WB2-44/60 boilers:

HModel UP 26-99 FHModel UP 43-75 FHModel UP 26-96 FHModel UP 26-64 F

Please reference correspondingperformance curves (1-4) in the chart tothe left.

IMPORTANT

Performance chart courtesy of Grundfos.

10

Heating Circuit Pumps (continued)

Recommended pumps for operation with Vitodens 200 model WB2 11-44 and up(heating circuit pump, boiler pump and DHW pump field supplied)

DHW Production Planning

With integrated stainless steel plate heatexchanger for instantaneous DHW heating(model WB2 6-24C only) or with DHWconnections for DHW production via astand-alone DHW storage tank, the Vitodens200 boiler series offers the right solution forevery need.

Various factors must be taken into accountwhen designing the DHW system, andwhen deciding between the Combi heatingboiler with integrated DHW production andthe standard heating boiler with DHWproduction via a stand-alone DHW storagetank.

Such factors are:H DHW requirement, level of comfort andconvenience

H Number of draw pointsH Distance of draw points from theboiler/DHW storage tank

H System retrofitH Space requirements

Options

Gas-fired Combiboiler withinstantaneous DHWproduction

Gas-fired standardheating boiler withstand-alone DHWstorage tank

DHW requirement, level of DHW requirement for an apartment + +q ,comfort and convenience DHW requirement for a single-family house 0 +

Central DHW requirement for a multi-family house – +

Decentralized DHW requirement for a multi-family house + +

Number of draw points One draw point + 0p

Several draw points, non-simultaneous use + 0

Several draw points, simultaneous use – +

Distance of draw points from Up to 23 ft./7 m (without DHW recirculation line) + –pthe boiler/DHW storage tank With DHW recirculation line – +

System retrofit DHW storage tank already installed – +

Replacement of existing Combi boiler + –

Space requirements Minimal space available (installation in alcove) + 0

Adequate space available (boiler room) + +

+= recommended 0 = recommended in certain cases – = not recommended

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DHW Production

35

40

45

50

55

60

65

6 7 8 9 10 11 12 13 14

Draw rate at tap (mixed water)

DHW

output

tempe

rature

95

104

113

122

131

140

149

1.6 1.8 2.1 2.4 2.6 2.9 3.1 3.4 3.7

ºF ºC

ltr/min

GPM

11

Domestic Hot Water Production viaInstantaneous DHW Plate Heat Exchanger (Model WB2 6-24C)

The Vitodens 200 Combi boiler is equippedwith an electronically controlledinstantaneous DHW plate heat exchanger.

The comfort control function ensures thatthe instantaneous DHW plate heatexchanger is kept consistently at therequired temperature (115ºF / 46ºC - off,108ºF / 42ºC - on).

This translates into immediate availability ofdomestic hot water at any requiredtemperature level.

Technical Data DHW Plate Heat ExchangerSee page 5 in this manual for technical data.

The diagram on the left illustrates how theDHW output temperature changes in relationto the draw rate at the tap.The DHW draw rate is restricted by means ofa flow limiter to 2.1 GPM/8 ltrs per min. ata temperature of 128 ºF/53 ºC.

If more water is required, domestic cold wateris added, resulting in a lower DHW outputtemperature.In the example to the left, demonstrating thechange in DHW output temperature based onthe addition of domestic cold water, adomestic cold water input temperature of50 °F/10°C is assumed.

DHW output temperature at theVitodens 200 boilerDHW/DCW mixing zoneDHW output temperature at the mixingvalveRestriction by flow limiter

Vitodens 200, WB2 6-24C combi boilerscannot be connected to non-combi boilers inthe field. Proper DHW sizing, includingfuture DHW requirements, must beperformed before selecting combi boilers.

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IMPORTANT

DHW Production

12

Domestic Hot Water Production via DHW Storage Tank

Vitodens 200 boilers can be used inconjunction with the stand-alone DHWstorage tanks offered by Viessmann.All Viessmann DHW storage tanks sold inNorth America are available in “Vitosilver”finish only.

Size and select the DHW storage tank basedon the forecasted DHW consumption of thebuilding in question.

For further technical information on DHWstorage tanks, see the Vitocell-V TechnicalData Manuals.

DHW Storage Tank Connection DHW Storage Tank Connectionfor Vitodens models up to WB2 8-32 for Vitodens model WB2 11-44 and upWith installation fittings and built-in circulating pump With installation fittings and external circulating pumpfor DHW production (via 3-way solenoid valve). for DHW production (optional equipment).

For the connection of the stand-alone DHW tank For the connection of the stand-alone DHW tanka DHW Production Kit is required. a DHW Production Kit is required.See Viessmann Price List for order information. See Viessmann Price List for order information.

LegendDR Boiler heating return for domestic

hot water productionDS Boiler heating supply for domestic

hot water productionHR Heating ReturnHS Heating Supply

An adequately sized precharged expansiontank must be used. See InstallationExamples for details.

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DS

DR

HS

HR

DR

HR

HSDS

IMPORTANT

DHW Recirculation

13

DHW Recirculation

DHW recirculation lines increase the level ofcomfort and convenience of the domestichot water supply and reduce waterconsumption.These advantages directly derive from theimmediate availability of domestic hot waterat all draw points.

Poor insulation of the DHW recirculationline, however, can result in considerableheat loss.

Viessmann therefore recommends thateffective insulation be provided and used forDHW recirculation lines of 23 ft./7 m inlength or longer.

In addition to a recirculation pump and aflow check valve, the DHW recirculation lineshould incorporate a programmed timer toswitch off the recirculation pump overnight.

LegendDCW Domestic Cold WaterDHW Domestic Hot WaterTPV Temperature and Pressure Relief

ValveR DHW Recirculation LineRP DHW Recirculation Pump

DHW Recirculation with Gas-Fired Combi Series

Due to the low water content of the plateheat exchanger, it is not advisable toconnect a DHW recirculation line to theVitodens Combi boiler.

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Vitocell-V stand-alone DHW storage tank

DCWDCW

DHW

RRP

Wall Mounting

14

Wall Mounting Information (up to model WB2 8-32)

Required accessories for installation withoutDHW storage tank

Mounting bracketc/w mounting bolts and fittings

Additional requirements when connecting aDHW storage tank

DHW Production Kit for DHW storage tankconnection

Illustration: Wall-mounting and connection of the Vitodens 200 Combi boiler (model WB2 6-24C)

LegendBD Boiler Drain ¾”BR Boiler Return ¾”BS Boiler Supply ¾”FFL Finished Floor LevelGC Gas Connection ½”

(gas shutoff valve is field supplied)

Only for Combi heating boilerDCW Domestic Cold Water ½”DHW Domestic Hot Water ½”

Only for standard heating boilerDR Boiler heating return for domestic hot

water production ¾”DS Boiler heating supply for domestic hot

water production ¾”

Mounting bracketVitodens 200 installation location

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FFL

BDBRDR/DCWGCDS/DHWBS

78”/1975mm

Wall Mounting

15

Wall Mounting Information (model WB2 11-44 and up)

The Vitodens 200 (model WB2 11-44 andup) comes with a template, which allowsyou to easily mark the location of the screwsfor the mounting bracket and the location ofthe flue gas pipe on the wall.

The connection to the heating circuits(installation fittings are supplied in theInstallation Fittings package supplied withthe boiler) must be made on site.

Illustration: Wall-mounting and connection of the Vitodens 200 standard heating boiler

Reference point top edge Vitodens 200Mounting bracketVitodens 200 mounting template

*1Recommendation

Dimensionsa 23½”/600 mmb 3¼”/82 mmc 16”/407 mmd ¾”/18 mme 29”/740 mmf 78”/1975 mm

5167472v3

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FFL

a

b

cd

e

f*1

Condensate Connection/Neutralization Unit

16

Condensate Connection

Install the condensate drain pipe with asuitable gradient.Discharge condensate from the boiler intothe drainage system, either directly or (ifrequired) via a neutralization unit(accessory).

Pipe ventilation must take place betweenthe siphon trap and the neutralization unit (ifapplicable).

Condensate Connection for Vitodens 200H up to model WB2 8-32 H model WB2 11-44 and up

Condensate Drainage and Condensate Neutralization

The condensate formed both in thecondensing boiler and in the flue gas pipemust be discharged into the public sewagesystem in accordance with all applicablelocal regulations.The condensate produced by a gas-firedheating system has a pH value between 3and 4.

Some local codes may require the use of aseparate neutralization unit to treat theaggressive and corrosive nature of thecondensate.With a neutralization unit installed, allcondensate from the boiler and the flue gaspipe enters into the neutralization unitwhere it is treated and released into thepublic sewage system with a safe pH valueof above 6.5.

The use of neutralization granulate(performing the neutralizing process) isdependent on the operation of the heatingsystem. To determine the required refillamount, check granulate level several timesduring the first year of operation. In somecases one granulate fill may last an entireyear.

Contact Viessmann to order a neutralizationunit for the Vitodens 200 boiler.See Viessmann Price List for orderinformation.

The condensate discharge outlet to thedrainage system connection must be clearlyvisible. It must be installed with a suitablegradient and provided with a stench trap.

If the condensate outlet of the Vitodens200 boiler is lower than the drain, acondensate pump must be used.

Only corrosion-resistant materials must beused for condensate drainage purposes (e.g.braided hose). Do not use galvanizedmaterials or materials containing copper forpiping, couplings etc.The condensate drain must have a trap toprevent flue gas leakage.

Please note that other requirements mightapply depending on local regulations and/orproject-specific details.

It is advisable to contact your localwaterworks office (authority responsible forwaste water regulations) well beforecommencing with the installation of theneutralization unit in order to establishdetails of local regulations that apply.

The following table shows the concentrationof (effluent) substances (e.g. heavy metals)contained in the waste water from theVitodens 200 condensing boiler.

Condensate(effluent)

Values measuredin mg/ltr

substances Vitodens 200

LeadCadmiumChromiumCopperNickelZincTin

< 0.01< 0.005< 0.01< 0.01< 0.01< 0.05< 0.05

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IMPORTANT

Venting Option

a

Standard side wall venting layout

Max. wall thickness19.6”/500 mm

Combustion air intakeFlue gas outlet

a = total vent length

17

Side Wall Venting Option

Vent pipe adaptor

Elbow, 87° (1 per carton)

Straight pipe3.3 ft./1 m long

Vent termination(incl. wall flashings)Important!Total length of vent termination pipe is29”/730 mm. If required, the venttermination pipe may be shortened bymax. 12”/305 mm (min. venttermination length is 17”/425 mm).

Protective screenWarning!Protective screen MUST be installed.

Mounting clip, white (use at least 2)

Brass adaptor (M8 x 5/16” - 18) andSet of screws (#8 x 3/8”)(not shown; see Installation Instructions forVitodens 200 Direct Vent System for details.)

Combustion air intake

Flue gas outlet

a Total vent length*1

*1 See following page.

Note:For extreme cold climate conditions(sustained temperatures below 0°F / -18°C)Viessmann offers a different venttermination option.

CAUTIONUnder certain climatic conditions some building materials may be affected by flue products expelled in close proximity tounprotected surfaces. Sealing or shielding of the exposed surfaces with a corrosion resistant material (e.g. aluminumsheeting) may be required to prevent staining or deterioration. The protective material should be attached and sealed (ifnecessary) to the building before attaching the vent termination. It is strongly recommended to install the vent terminationon the leeward side of the building.

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Venting Option

18

Vent termination location requirements (for installations in Canada)

The vent must be installed observing localregulations in addition to National Codes,CAN/CSA-B149.1 or 2.A vent must NOT terminate...

1. ....directly above a paved sidewalk orpaved driveway which is locatedbetween two single-family dwellings andserves both dwellings.

2. ....less than 7 ft./2.13 m above a pavedsidewalk or a paved driveway located onpublic property.

3. ....within 6 ft./1.83 m of a mechanical airsupply inlet*1 to any building (dryervents, non-sealed combustion furnaceand hot water heater vents areconsidered to be mechanical air inlets).

4. ....above a meter/regulator assemblywithin 3 ft./0.9 m horizontally of thevertical centerline of the regulator ventoutlet and to a maximum verticaldistance of 15 ft./4.5 m.

5. ....within 3 ft./0.9 m of any gas serviceregulator vent outlet.

6. ....less than 1 ft./0.3 m above grade levelor anticipated snow level (consult localbuilding authorities or local weatheroffice). Locate the vent termination insuch a way that it cannot be blocked bysnow.

7. ....within the following distances of awindow or door which can be opened inany building, any non-mechanical airsupply inlet to any building or thecombustion air inlet of any otherappliance:

H 1 ft./0.3 m for inputs up to andincluding 100 000 Btu/h/30 kW(applicable only to boiler modelsWB2-24C/24).

H 3 ft./0.9 m for inputs exceeding100 000 Btu/h/30 kW (applicable toboiler models WB2-32 and up).

8. ....underneath a veranda, porch or deck,unlessH the veranda, porch, or deck is fullyopen on a minimum of two sides beneaththe floor, andH the distance between the top of thevent termination and the underside of theveranda, porch, or deck is greater than1 ft./0.3 m.

9. ....in areas where condensation maycause problems, such as above planters,patios, or adjacent to windows whereflue gases may cause fogging.

10. ....within 3 ft./0.9 m to the propertyline (advisable, not mandatory; pleasecheck with local building authorities andmunicipal bylaws).

11. ....at a location where ice formation onthe ground can present a hazard.

12. ....so that the flue gases are directedtoward brickwork, siding, or otherconstruction, in such a manner that maycause damage from heat or condensatefrom the flue gases.

13. ....where discharging hot flue gasesmay cause property damage or personalinjury.

14. ....within 3 ft./0.9 m from an insidecorner of outside walls.

*1Including heat recovery units.

Vent termination location requirements (for installations in the U.S.A.)

The vent must be installed observing localregulations in addition to National Codes,ANSI-Z223.1 or NFPA 54.A vent must NOT terminate...

1. ....less than 7 ft./2.13 m above a pavedsidewalk or a paved driveway located onpublic property.

2. ....within 4 ft./1.2 m horizontally fromservice regulator vents, electric and gasmeters as well as relief equipment.

3. ....less than 3 ft./0.9 m above any forcedair inlet located within 10 ft./3 m.

4. ....less than 1 ft./0.3 m above grade levelor anticipated snow level (consult localbuilding authorities or local weatheroffice). Locate the vent termination insuch a way that it cannot be blocked bysnow.

5. ....within 1 ft./0.3 m of a window ordoor which can be opened in anybuilding, any non-mechanical air supplyinlet to any building or the combustioninlet of any other appliance.

6. ....in areas where condensation maycause problems, such as above planters,patios, or adjacent to windows whereflue gases may cause fogging.

7. ....within 3 ft./0.9 m to the property line(advisable, not mandatory; please checkwith local building authorities andmunicipal bylaws).

8. ....at a location where ice formation onthe ground can present a hazard.

9. ....so that the flue gases are directedtoward brickwork, siding, or otherconstruction, in such a manner that maycause damage from heat or condensatefrom the flue gases.

10. ....where discharging hot flue gasesmay cause property damage or personalinjury.

11. ....within 3 ft./0.9 m from an insidecorner of outside walls.

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Venting Option

Equivalent vent length calculation

*1

19

Equivalent Vent Length

87º elbowVent pipe (3.3 ft./1 m)Vent pipe (1.65 ft./0.5 m)Vent termination

*1 First elbow not included in equivalentvent calculation.

H The maximum vent length on allmodels is 20 ft./6 m.

H The minimum vent length on allmodels is 17”/425 mm (length of the venttermination when cut to the minimumpermissible length).

H Do not exceed the maximum ventlength.

H Do not use more than five elbowswithin one vent system.

H First 87º elbow on boiler is notincluded in equivalent vent lengthcalculation.

Type of fitting Equivalent length

87º elbow/87º inspection tee

1.65 ft./0.5 m

45º elbow 1 ft./0.3 m

Equivalent vent length calculation example

2 x 87º elbow 3.3 ft./1 m.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 x vent pipe (1 m) 6.6 ft./2 m.. . . . . . . . . . . . . . . . . . . . . . .

1 x vent pipe (0.5 m) 1.65 ft./0.5 m.. . . . . . . . . . . .

1 x vent termination 2.4 ft./0.73 m.. . . . . . . . . . . . . .

Total equivalent length 13.95 ft./4.23 m

First elbow not included in equivalent ventcalculation.

Always include vent termination length incalculations.

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IMPORTANT

Venting Option

20

Vertical Venting Option

Vent pipe adaptor

Vent inspection tee/Elbow, 87° (1 per carton)

Sliding coupling

Straight pipe3.3 ft./1 m or1.65 ft./0.5 m



Vent terminationImportant!Never shorten vertical vent termination.

Mounting clip

Wall band (c/w vent termination)

Brass adaptor (c/w set of screws)(not shown; see Installation Instructions forVitodens 200 Direct Vent System for details.)

Roof flashing and storm collar(field supplied)

Flue gas outlet

Combustion air intake

Note:For extreme cold climate conditions(sustained temperatures below 0°F / -18°C)Viessmann offers a different venttermination option.

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Standard vertical venting layout

Venting Option

21

Vent termination location requirementsThe vent must be installed observing local regulations in addition to National Codes, CAN/CSA-B149.1 or 2 (for installations in Canada) orANSI-Z223.1 or NFPA 54 (for installations in the U.S.A.).

See table below for the following two conditions.H For sloped roof applications with distance b greater than 18”/450 mmH For flat roof applications

Model No.WB2-

24C/24/32(5” system)

44/60(6” system)

a (min.distance)

25”/635 mm*1

30”/762 mm*1

*1See WARNING below.

H For sloped roof applications with distance b less than 18”/450 mm

a minimum 18”/450 mmb <18”/450 mm

A vent used in a special vent system withpositive vent pressure and passing througha roof shall extend at least 18”/450 mmabove the highest point where it passesthrough the roof and any other obstructionwithin a horizontal distance of 18”/450 mm.

The special vent system shall not be routedinto, through, or within any other vent suchas an existing masonry or factory-builtchimney.

A masonry chimney flue may be used toroute the venting system only if no otherappliance is vented in the same flue.

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a

b

a

The vent termination must be at least12”/300 mm above the anticipated snowlevel (consult your local building authoritiesor local weather office). Locate venttermination in such a way that it cannotbe blocked by snow.

WARNING

a

b

IMPORTANT

Venting Option

Vent length “a”

a

22


Equivalent vent length

Boiler model 6-24C 6-24 8-32 11-44 15-60

Maximum ventlength5” vent system6” vent system

ft./mft./m

33/10--

33/10--

27/8--

--33/10

--20/6

Minimum ventlength5” vent system6” vent system

ft./mft./m

3.9/1.2 (all models)

Do not exceed the maximum vent length.

Ceiling opening information

Boiler model Opening Ø

HWB2 6-24CHWB2 6-24HWB2 8-32

51/8“/130 mm

HWB2 11-44HWB2 15-60

63/8”/160 mm

Vertical vent termination

for boiler models WB2 6-24C,6-24 and 8-32

Dimensionsa 47” / 1190 mmb 28” / 713 mmc 21¾” / 552 mmd 3” / 80 mme 4¼” / 110 mmf 5” / 125 mmg Coaxial adaptor

4¼ to 5” /110 to 125 mm

h 4¾” / 120 mm

for boiler models WB2 11-44 and 15-60

Dimensionsa 47” / 1190 mmb 30½” / 779 mmc 21¾” / 552 mmd 7” / 177 mme 4¼” / 110 mmf 6” / 150 mm

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d

b

a

d

d

c

e

f

g

f

ha

b

e

c

d

f

Venting Option

23

Equivalent Vent Length (continued)



1.65 ft./0.5 m


Equivalent vent length calculation example 1

Vitodens 200, WB2 15-60

2 x 45º elbow 2 ft./0.6 m.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 x vent pipe (0.5 m) 1.65 ft./0.5 m.. . . . . . . . . . . .

1 x vent pipe (1 m) 3.3 ft./1 m.. . . . . . . . . . . . . . . . . . . . . . .

1 x vent termination 3.9 ft./1.2 m.. . . . . . . . . . . . . . . . .





1.65 ft./0.5 m


Equivalent vent length calculation example 2


2 x 87º elbow 3.3 ft./1 m.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 x 45º elbow 2 ft./0.6 m.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 x vent pipe (0.5 m) 4.95 ft./1.5 m.. . . . . . . . . . . .

1 x vent pipe (1 m) 3.3 ft./1 m.. . . . . . . . . . . . . . . . . . . . . . .

1 x sliding coupling 0.8 ft./0.25 m.. . . . . . . . . . . . . . . .

1 x vent termination 3.9 ft./1.2 m.. . . . . . . . . . . . . . . . .



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Equivalent vent length, example 1

IMPORTANT

Equivalent vent length, example 2

IMPORTANT

Venting Option

24

Single Wall Venting Option

Please note that there is no basic vent kit available for this vertical vent system.See product literature supplied by manufacturer for available component parts.

Coaxial vent pipe adaptor (comespre-installed on model WB2-44/60)

For Vitodens 200, WB2 models 6-24C,6-24 and 8-32, the vent pipe adaptormust be ordered with the boiler.

Vent pipe adaptor (coaxial>single-wall)

Elbow, 90°

Straight pipe*1

Elbow, 45°

Suspension band / hanger

Wall band

Vent termination coupling(c/w bird screen)

Flashing and storm collar

*1Available in different lengths.

For more detailed information oncomponent parts see product literaturesupplied by special venting manufacturer.

Note:The Vitodens boiler has passed the zeroinches vent clearance to combustiblestesting requirements dictated by theHarmonized Standard ANSI Z21.13. CSA4.9.2000 and therefore is listed for zeroclearance to combustibles when ventedwith a single wall special venting system(AL-29-4C material). The zero inches ventclearance to combustibles for the Vitodensboiler supercedes the clearance tocombustibles listing that appears on thespecial venting system label.

A masonry chimney flue may be used toroute the venting system only if no otherappliance is vented in the same flue.

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IMPORTANT

IMPORTANT

Venting Option

25

Vent termination location requirementsThe vent must be installed observing local regulations in addition to National Codes, CAN/CSA-B149.1 or 2 (for installations in Canada) orANSI-Z223.1 or NFPA 54 (for installations in the U.S.A.).

See table below for the following two conditions.H For sloped roof applications with distance b greater than 18”/450 mmH For flat roof applications

Model No.WB2-

24C/24/32(3” system)

44/60(4” system)

a (min.distance)

24”/610 mm*1

*1See WARNING below.

H For sloped roof applications with distance b less than 18”/450 mm

a minimum 18”/450 mmb <18”/450 mm

A vent used in a special venting systemwith positive vent pressure and passingthrough a roof shall extend at least 18”/450mm above the highest point where it passesthrough the roof and any other obstructionwithin a horizontal distance of 18”/450 mm.

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a

b

a

Vent termination must be at least12”/300 mm above the anticipatedsnow level (consult your local buildingauthorities or local weather office).Locate vent termination in such a waythat it cannot be blocked by snow.

WARNING

a

b

Venting Option

26

General Installation Examples

Ensure that the venting system is properlysupported; the Vitodens 200 boiler is notdesigned to support the weight of theventing system.

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Sloped roof installation Flat roof installation Sloped roof installation with offset

IMPORTANT

Venting Option

27

Maximum/Minimum Vent Length

Maximum vent length

Boiler model WB2 6-24C 6-24 8-32 11-44 15-60

a (max. length)3” vent system4” vent system

ft./mft./m

66/20--

66/20--

49/15--

--66/20

--49/15

Minimum vent length

Boiler model WB2 6-24C 6-24 8-32 11-44 15-60

a (max. length)3” vent system4” vent system

ft./mft./m

4 ft. / 1.2 m

Do not exceed maximum equivalent vent length or fall short of minimumequivalent vent length.


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Vent length “a”

a

IMPORTANT

Venting Option

28







2 x 90º elbow 6 ft./1.8 m. . . . . . . . . . . . . . . .2 x 45º elbow 4 ft./1.2 m. . . . . . . . . . . . . . . .3 x vent pipe (0.5 m) 4.9 ft./1.5 m. . . . . . .2 x vent pipe (1 m) 6.6 ft./2 m. . . . . . . . . . .Total equivalent length 21.5 ft./6.5 m


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IMPORTANT

Electrical Connection

29

Electrical Connection

Power SupplyThe Vitodens 200 is shipped with a PowerModule (up to model WB2 8-32) or with aPower/Pump Module (model WB2 11-44and up). Both modules require a 120 VACpower supply from a wall receptacle. Themodules contain a 120/230 VAC step-uptransformer to power the Vitodens 200 with230 VAC. Refer to the InstallationInstructions shipped with the modules forwiring details.

Power Supply Connection of AccessoriesThe power supply connection of accessoriescan be made directly at the boiler control.The connection is activated and deactivatedwith the system on/off switch.The Dekamatik-HK1 control, the mixingvalve accessory kit and the Solartrol controlrequire a separate 120 VAC power supplyfrom the wall receptacle.

2-wire cabling required for:H outdoor temperature sensorH Vitotronic 050/Dekamatik-HK1H accessory kit for heating circuit withmixing valve

H remote switching of operating modeH remote disableH alarm outputH wall-mount base (when the programmingunit is used as a remote control)

3-wire cabling required for:H remote control RS/WSH circulating pump

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Control for Weather-Responsive Operation

30


Built into the Vitodens 200 boiler is a menu-driven programming unit with...

H day and week feature and fourprogrammable activation periods per dayfor reduced operation, activation of DHWproduction or activation of the DHWcirculating pump

H freeze-up protection of entire heatingsystem

H integrated diagnostic systemH integrated DHW tank temperature control

Constructional Design and Functions

Modular Structure

The control unit contains:System on/off switch, override/emissiontest switch, comfort switch (operationalonly on Combi heating boiler), fixed highlimit, adjustable high limit, digital display,micro-computer, adjustment options forswitching times, for temperatures duringnormal and reduced operation, domestic hotwater temperature, adjustment options forheating curves, temperature scanningoptions, built-in diagnostic system andfuses.

Boiler-Specific Functions

The control unit adjusts the boiler watertemperature (= supply temperature of adirect-connected heating circuit and/or aheating circuit with mixing valve in conjunctionwith the accessory kit for a heating circuitwith mixing valve) automatically and on acontinuous basis to individual outdoortemperatures. The control has a DHWtemperature controller with DHW priorityswitching (heating circuit pump off).

Technical Data

Rated supplyvoltage: 120 VACRated frequency: 60 HzRated current: 12 AMax. ambienttemperatureH at operation: 32 to 104 ºF

0 to 40 ºCFor use in your livingarea or boiler rooms(with standard ambientconditions)

Hwhen storing ortransporting: –4 to +149 ºF

–20 to +65 ºC

Max. operating tempearturesetting (space heating):167 ºF/75 ºC

Adjustment rangeadjustable high limit(DHW production): 108 to 172 ºF

42 to 78 ºCSetting fixedhigh limit: 210 ºF/99 ºC

(not adjustable)Adjustment rangeof DHW tank setpointtemperature: 50 to 140 ºF

10 to 60 ºCAdjustment rangeheating curvesH Heating curveH slope 0.2 to 3.5H Heating curveH shift: 10 to 91 ºF

–12 to +33 ºC

Programming Unit

H Illuminated display with 8 text linesHMenu-driven user guidanceH All settings, main codings and faultmessages shown in plain text

H Holiday programH Party button for switching to ”normaloperation” whenever required

H Energy savings button for lowering thedesired room temperature by approx.3.6 °F/2 °C in normal operation

The programming unit can be used as aremote control (wall-mount base must beordered separately).

Timer Schedule of Programming Unit

Digital timer with day and week feature,calendar and automatic resetting to daylightsavings time.

Timer of Programming Unit (continued)

Time, day and standard switching times arefactory preset (individually programmable),up to four switching times selectable perday.Shortest switchinginterval: 10 minutesPower reserve: 15 years

Heating Programs

The freeze-up protection function*1 is activein all operating modes.The following heating programs can beselected with the operating mode selectorswitch:H Continuous standbyH DHW production onlyH Normal operation/reduced operation ornormal operation/standby

*1 See ”Freeze-up Protection Function”below.

Freeze-up Protection Function

The freeze-up protection function isH activated when the outdoor temperaturedrops below approx. 34 °F/1 °C.When the freeze-up protection function isactivated, the heating circuit pump isactivated and the boiler water is kept at aminimum temperature of approx.68 °F/20 °C.

H deactivated when the outdoor temperatureexceeds approx. 37 °F/3 °C.

Summer OperationHeating program ” ”

The burner is only activated upon a call fordomestic hot water from the DHW storagetank (controlled by DHW tank temperaturesensor).

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31

Heating Curve Adjustment (slope and shift)

The control unit regulates the boiler watertemperature (= supply temperature ofheating circuit without mixing valve) and thesupply temperature of the heating circuitwith mixing valve (in conjunction with theaccessory kit for a heating circuit withmixing valve) according to the outdoortemperature.The supply temperature that is required toachieve a given room temperature dependson the heating system and the thermalinsulation of the building that is beingheated.The adjustment of the two heating curves isused to match the boiler water temperatureand the supply temperature to theseconditions.

Heating curves:

Low temperature heating system, e.g.radiant floor heatingMedium temperature heating system,e.g. cast iron radiation, staple-upradiant floor heatingHigh temperature heating system,e.g. fintube radiation, fan coils

The boiler water temperature is limitedupwards by the fixed high limit and thetemperature set for the electronic high limit.The supply temperature cannot rise abovethe boiler water temperature.

Boiler Temperature Sensor

The boiler temperature sensor is connectedat the control unit for weather-responsiveoperation and is built into the boiler.Max. ambient temperatureH at operation: 32 to 266 ºF

0 to 130 ºCHwhen storing or

transporting: –4 to +158 ºF–20 to +70 ºC

Outdoor Temperature Sensor

Sensor location:H North or northwest wall of buildingH 6.6 to 8.2 ft./2 to 2.5 m above ground orin case of a multi-storey building approx.halfway up the second floor

Electrical connection:H 2-wire cable, max. cable length 115 ft./35 m with a wire size of min. AWG 16copper

H Cable to the outdoor sensor must not belaid near line voltage wiring(120/240 V)

Max. ambient temperature atoperation, when storingor transporting: –40 to +158 ºF

–40 to +70 ºC

DHW Tank Temperature SensorPart No. 7134 239

Supplied with:H installation fittings for horizontal DHWstorage tanks (42 to 120 USG/160 to 450ltr) (DHW tank must be ordered separatelyat time of order)

H installation fittings for vertical DHWstorage tanks (42 to 120 USG/160 to 450ltr)(DHW tank must be ordered separatelyat time of order)

H DHW production kit for Vitodens 200Cable length approx. 13 ft./3.75 m, readyto plug in

Max. ambient temperatureH at operation: 32 to 194 ºF

0 to 90 ºCH when storing or transporting:

–4 to +158 ºF–20 to +70 ºC

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Control for Weather-Responsive OperationAccessories

32


Mixing Valve Actuator Accessory Kit,Part No. 7133 392

Mixing valve actuator

The mixing valve actuator is mounteddirectly on the Viessmann ¾ to 2½“ mixingvalve.The mixing valve actuator is a motor-drivencontrol unit. The rotational direction isreversible.The mixing valve actuator comes with aplug-in connector for a heating circuit pump,supply temperature sensor (strap-on sensorwith 19.7 ft./6 m connecting cable), powersupply connecting cable (10 ft./3 m) and aconnecting cable (10 ft./3 m) for theKM-BUS Expansion Module.Rated voltage: 120 VACRated frequency: 60 HzRated current: 4 (2) APower consumption: 4 WMax. ambient temperatureH at operation: 32 to 104 ºF

0 to 40 ºCHwhen storingH or transporting: –4 to +149 ºF

–20 to +65 ºCRelay output forheating circuit pump: 4(2) A, 120 VAC

Actuatortorque: 3 NmTime of 90 º∢: 2 minutes

Supply Temperature Sensor(strap-on sensor, included with mixingvalve actuator accessory kit),Part No. 7133 895

Installed with a strapping band.Cable length 19.7 ft./6 m, ready to plug in.Max. ambient temperatureH at operation: 32 to 212 ºF

–0 to 100 ºCHwhen storingH or transporting: –4 to +149 ºF

–20 to +70 ºC

Viessmann 2-Wire BUS Expansion Module,Part No. 7134 276for connecting a Vitotronic 050 or aDekamatik-HK heating circuit control,a Vitocom 200, a Vitocom 300 or aSolartrol control.Comprises one circuit board.

Setting range: 86 to 212 ºF30 to 100 ºC

Operating differential: 8 ºC

Wall-Mount Base with Blank Cover,Part No. 7133 385(used when the programming unit of thecontrol is used as remote control)

All functions of the programming unit canbe used.WS function: Unit can be mountedanywhere in the building.RS function: The remote control is mountedon an inside wall of the main living areaopposite radiators, not in shelves, alcovesor next to doors or sources of heat (e.g. indirect sunlight, next to a fireplace, TV, etc.).Electrical connection:H 2-wire cable, max. cable length 98 ft./30 m with a wire size of min. AWG 16copper

H Cable to the outdoor sensor must not belaid near line voltage wiring(120/240 V)

Max. ambient temperatureH at operation: 32 to 104 ºF


–20 to +65 ºC

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33

Boiler Temperature Indication Unit,Part No. 7133 384

Must be inserted into the control unit forweather-responsive operation when theprogramming unit of the control is used asremote control.Boiler water temperature and fault messagesare displayed.

Temperature Sensor for Low-Loss Header,Part No. 7134 240

Supply temperature sensor for the commonsupply in applications with a low-lossheader.Installed with a strapping band.Cable length approx. 12 ft./3.75 m, readyto plug in.Max. ambient temperatureH at operation: 32 to 104 ºF–2


–20 to +70 ºC

Remote Control WSPart No. 7133 380

The remote control unit is used to set thedesired temperatures for normal operation(daytime temperature) and reducedoperation (night setback temperature) of oneheating circuit from any chosen room in thebuilding.Only one remote control unit can beconnected. If a heating circuit with mixingvalve is installed, the remote controlcontrols the heating circuit with mixingvalve.Electrical connection:H 3-wire cable (without ”green/yellow” wire),max. cable length 98 ft./30 m with a wiresize of min. AWG 16 copper

H Cable to the WS control sensor must notbe laid near line voltage wiring(120/240 V)

Max. ambient temperatureH at operation: 32 to 104 ºF–2


–20 to +65 ºCSetting range for roomtemperature setpointH Selector knob ” ”: 57 to 79 ºF

14 to 26 ºCH Selector knob ” ”: 45 to 73 ºF

7 to 23 ºCDesired roomtemperature when selectorswitch is set to ” ”: 37 to 41 ºF71

3 to 25 ºC

Remote Control RSPart No. 7133 381

The remote control unit is used to set thedesired temperatures for normal operation(daytime temperature) and reducedoperation (night setback temperature) of oneheating circuit from the main living area.The built-in room temperature sensormeasures the room temperature andinitiates any necessary correction of thesupply temperature.Only one remote control unit can beconnected. If a heating circuit with mixingvalve is installed, the remote control unitcontrols the heating circuit with mixingvalve.The remote control unit is mounted on aninside wall of the main living area oppositeradiators, but not in shelves, alcoves orimmediately next to doors or sources ofheat (e.g. in direct sunlight, next to afireplace, TV etc.).Electrical connection:H 3-wire cable (without ”green/yellow” wire),max. cable length 98 ft./30 m with a wiresize of min. AWG 16 copper

H Cable to the RS control sensor must notbe laid near line voltage wiring(120/240 V)

Note on the room temperature sensingfunction (RS function) when using a remotecontrolDue to the ”inertia” of underfloor heatingsystems, the RS function must not be usedfor an underfloor heating circuit.

Max. ambient temperatureH at operation: 32 to 104 ºF––2


–20 to +65 ºCSetting range for roomtemperature setpointH Selector knob ” ”: 57 to 79 ºF

14 to 26 ºCH Selector knob ” “: 45 to 73 ºF

7 to 23 ºCDesired roomtemperature when selectorswitch is set to ” “: 37 to 41 ºF1

3 to 25 ºC

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Control for Weather-Responsive Operation/Vitodens 200Accessories

34

Room Temperature Sensor,Part No. 7133 379

Separate room temperature sensor used inaddition to the RS remote control forapplications where the RS remote controlunit cannot be positioned in the main livingarea or in a suitable location for temperaturemeasurement/setting purposes.The room temperature sensor is mounted onan inside wall of the main living areaopposite radiators, but not in shelves,alcoves or immediately next to doors orsources of heat (e.g. in direct sunlight, nextto a fireplace, TV etc.).The room temperature sensor is connectedto the RS remote control unit.Electrical connection:H 2-wire cable with a wire size of min. AWG16 copper

H The cable length between the control unit,remote control unit and room temperaturesensor must not exceed 98 ft./30 m

H Cable to the outdoor sensor must not belaid near line voltage wiring (120/240 V)

Max. ambient temperatureH at operation: 32 to 104 ºF–


–20 to +65 ºC

Expansion Board,for Vitodens 200 up to model WB2 8-32Part No. 7134 209

for Vitodens 200 model WB2 11-44 and upPart No. 7134 211

With the installation of an expansion boardthe following capabilities are added:H Connection of an additional heating circuitpump (only for models up to WB2 8-32)

H Connection of a dry contact to operate anexternal alarm with the following ratings:24/250 V, 5 APlease see following table.

Pump Alarm

WB2-24C –– H

WB2-24 H H

WB2-32 H H

WB2-44 –– H

WB2-60 –– H

Accessories for Vitodens 200

Neutralization Unit for Single-BoilerApplicationswith neutralizing granulate

for Vitodens 200 up to model WB2 8-32Part No. 7134 231

for Vitodens 200 model WB2 11-44 and upPart No. 7134 232

Neutralization Pellets(4.4 x 2.9 lbs./2 x 1.3 kg)Part No. 9524 670For refill or replacement purposes

Cosmetic Piping Cover for InstallationFittingsto cover water and gas fittings and piping,for Vitodens 200 up to model WB2 8-32Part No. 7339 571

Conversion Kitfor fuel conversion in the field from–natural gas to liquid propane–liquid propane to natural gas

(When ordering, please state–type of fuel conversion–boiler model no.)

Low-Loss Header(not applicable to Combi Series boilers!)–Type 80/50Part No. 7134 230(max. flow rate 17.6 GPM / 4 m3/h)–Type 120/80Part No. 7134 244(max. flow rate 35.2 GPM / 8 m3/h)–Type 160/80Part No. 7134 293*1

(max. flow rate 44 GPM / 10 m3/h )–Type 200/120Part No. 7134 294*1

(max. flow rate 80 GPM / 18 m3/h )

When used in conjunction with the Vitodens200 boiler, the low-loss header acts ashydraulic break, decoupling boiler andsystem circuits from each other.It is recommended to use the low-lossheader in applications in which the totalsystem flow rate exceeds the maximum (orminimum) boiler flow rate.For maximum boiler flow rates, see table onpage 8 in this manual.Viessmann strongly recommends the use ofa low-loss header in cases where thesystem head and flow rates are unknown.

*1Floor-mounted version (typically used formultiple-boiler installations).

Continued on following page...

5167472v3

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310 DN 40

145

400 DN 40

Ø145

195

Vitodens 200 Accessories

35

Accessories for Vitodens 200 (continued)

The temperature sensor connection [TS]typically located at the top of the low-lossheader ensures low return temperatures tothe Vitodens 200 boiler at all times,increasing operational efficiency.In addition, the low-loss header helpseliminate air and debris [D] from the heatingsystem.See figures on the right for an illustration ofthe principle of operation.

The low-loss header is available in thefollowing sizes. Select the size based on themaximum system flow rate of yourapplication.

Model No. Max. system flow rate

Type 80/50 17.6 GPM / 4 m3/h

Type 120/80 35.2 GPM / 8 m3/h

Type 160/80*1 44 GPM / 10 m3/h

Type 200/120*1 80 GPM / 18 m3/h

*1Product does not look exactly asillustrated.

Legend

AB Air BleedBR Boiler ReturnBS Boiler SupplyBY Bypass (with laminar flow)D Debris and/or airDV Drain ValveSC Sensor CableSR System ReturnSS System SupplyTS Viessmann Temperature SensorSW Sensor Well

Use only a Viessmann supplied temperaturesensor. Do not use any othermanufacturer’s temperature sensor.

T1 Boiler supply temperatureT2 Boiler return temperatureT3 System supply temperatureT4 System return temperatureVprimary Boiler circuit flow rateVsecondary Heating circuit flow rateVbypass Bypass flow rateQprimary Heat supplied by boilerQsecondary Heat consumed by system

Vprimary < VsecondaryT1 > T3T2 = T4Qprimary = Qsecondary

T1 ± 167°F / 75°CVsecondary=Vprimary+Vbypass

When installing a low-loss header, systemmixed supply temperature (T3) must becalculated as follows:

T3=T1× Vprimary+T4 Vbypass

Vsecondary

5167472v3

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DV

BS

SS

SR

BR

TS

BY

AB

D

Low-loss header design(Type 80/50 or 120/80)

SC

SW

T1

T2

Vprimary Vsecondary

T3

T4

Principle of Operation

T4Vbypass

IMPORTANT

IMPORTANT

Standard Equipment

36

Standard Equipment

The Vitodens 200 gas-fired condensingboiler with Inox-Radial heat exchangersurfaces, modulating MatriX-compact gasburner for natural gas and liquid propane,aqua-plate with plug-in connection systemc/wH pressure gage and KM-BUS variable speedpump (for WB2 6-24C, 6-24 and 8-32only)

H installation fittings with 30 psig pressurerelief valve and air vent

H boiler control unit with outdoortemperature sensor, power module (up tomodel WB2 8-32) or power/pump module(model WB2 11-44 and up)

– The boiler comes fully piped and prewired.– The Vitodens 200 Combi boiler isequipped with an integrated stainless steelplate heat exchanger for instantaneousDHW heating.

– Venting material (coaxial) is to be suppliedby Viessmann only. Side wall ventinstallations must include Viessmannprotective screen!

– Enclosure finish:black steel, powder-coated white

– The Vitodens 200 comes ready for usewith natural gas and can be fuelconverted to liquid propane.

Wall mounting componentryThe following wall mounting componentsare supplied with the Vitodens 200 boiler:HMounting bracket (comes preinstalled formodels up to WB2 8-32)

HMounting boltsH Installation fittingsH Screws for mounting bracket on– wood studs (2” x 4”)– metal studs– brick/concrete wall

5167472v3

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How the Vitodens 200 boiler operates... /Installation Examples

37

How the Vitodens 200 boiler operates...

The MatriX burner blower and thecombination gas valve are factory calibratedand pre-adjusted for optimum boilerperformance at all firing rates through anon-mechanical, pneumatic modulating linkbetween combustion air and gas flows.Blower speed is automatically increased ordecreased based on heat demand andventing system resistances, therebyregulating the amount of combustion airdrawn. The pneumatic modulating linkbetween air and gas introduces the requiredamount of gas for correct combustion tomeet the current heat demand, based on alinear relationship between ∆ P air and ∆ Pgas. The optimum combustion air flow rateis recognized and monitored by thedifferential air pressure sensor (transducer).The output voltage signal of the transduceris analyzed for logic by the LGM 29 burnercontrol unit. The LGM 29 burner control unitcontains pre-programmed performancecurves and operational safety parametersunique for every boiler model.

Flue gas adaptation functionThe Vitodens 200 has a flue gas adaptationfunction. This function records, processes,and reacts in real time to fluctuations inpressure drop in the vent air-intake pipeduring normal operation caused by partialpipe blockages due to ice formation at thevent termination, debris and/or sudden highwinds. Such increase in pressure drop, ifnot promptly corrected, will reduce thecombustion air flow rate, and hence lead tounstable combustion. The differential airpressure sensor (transducer) records suchpressure drops and supplies voltage signalsto the LGM 29 burner control unit which, inturn (based on stored performance curvesand safety parameters), initiates promptadjustment of the blower rotational speed,thus readjusting the combustion air flowrate for optimum combustion. The sameautomatic adaptation logic applies ifcombustion air is reduced (or increased) dueto slower (or faster) blower speed resultingfrom line voltage drops (or increases) below(or above) the threshold of 85% (or 110%).

Installation Examples

The examples on the following pages depictpossible piping layouts of the Vitodens 200boiler equipped with Viessmann SystemTechnology.For boiler and tank combinations, pleaseinstall only feasible combinations listed inthe Viessmann Price List.

Please note that the following examples aresimplified conceptual drawings only!Piping and necessary componentry must befield verified.A low water cut-off (LWCO) must beinstalled where required by local codes.Proper installation and functionality in thefield is the responsibility of the heatingcontractor.

5167472v3

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IMPORTANTIf a DHW storage tank other than aViessmann Vitocell 100 or 300 tank isused, the installer must verify properoperation of the Viessmann DHW tanktemperature sensor with the originalmanufacturer of the tank. Viessmannstrongly recommends the installation of atemperature tempering valve in the DHWsupply line.

WARNING


38

System Layout 1Vitodens 200 (model WB2 6-24C) with a direct-connected heating circuit

AV Air ventDCW Domestic cold waterDHW Domestic hot waterPRV 1 Pressure relief valve (30 psig)PRV 2 Pressure relief valve (150 psig)WSE Water softening equipment/filter

Vitodens 200 gas-fired CombiboilerHeating circuitRemote control for programming unitOutdoor temperature sensor ofcontrol unit forweather-responsive operation

E1 Precharged expansion tankE2 Precharged expansion tank (required

where backflow preventer isinstalled; check local plumbing codesand requirements)Expansion tank pressure rating mustbe greater than 150 psig andsuitable for potable waterapplicationsOptional purge tee (field supplied) foreasier air removal

The low-loss header cannot be used withthe Vitodens 200 Combi Series boiler, WB26-24C. The WB2 6-24C is specificallydesigned for small, “one-temperature”apartments or bungalows, where flow andhead requirements are low and can behandled by the built-in heating circuit pump.

Do not use the expansion board to control aseparate system heating circuit pump withVitodens 200 Combi Series boiler, WB26-24C.A heating circuit pump controlled by anexpansion board will run as a DHWrecirculation pump in parallel to the demandfor domestic hot water rather than asintended.

Upon a call for DHW, the built-in divertingsolenoid valve is energized. The boiler hotwater is diverted to the DHW loop atmaximum pump rotational speed (novariable speed pump operation during DHWproduction). Once the DHW instantaneousplate heat exchanger is satisfied, the built-indiverting solenoid valve is de-energized andheating operation resumes.

The built-in plate heat exchanger isequipped with two independent temperaturesafety features, one surface-mounted limittemperature switch on the heating boilerside and one temperature immersion controlsensor on the DHW side.

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PRV 1

DHW

DCW

AV

PRV 2

E1

E2

WSE

Important:Please note location of expansion tank

IMPORTANT

IMPORTANT


39

System Layout 2Vitodens 200 (up to model WB2 8-32) with...

– DHW storage tank– one direct-connected heating circuit– one heating circuit with a mixing valve

AV Air ventPRV Pressure relief valveTPV Temperature and pressure relief

valve

Vitodens 200 gas-fired condensingboiler with programming unit forweather-responsive operationOutdoor temperature sensorRemote control for programming unitUnderfloor heating circuitRadiator heating circuitHeating circuit pump (field supplied)Mixing valve temperature sensorAccessory kit for a heating circuitwith mixing valve

I Domestic hot water storage tankDHW tank temperature sensorExpansion tankOptional purge tee (field supplied) foreasier air removalDHW supply and return piping

Installation of different heating circuits...H radiator heating circuit (high temperaturecircuit)

H underfloor heating circuit with 3-waymixing valve (low temperature circuit)

H DHW production...with the following flow conditions1. The water flow rate (output) of theradiator heating circuit is at least 30%greater than that of the underfloor heatingcircuit.2. The total flow rate of the two heatingcircuits is less than the maximum possiblewater flow rate of the Vitodens 200 (seefollowing table).

Model No.

Vitodens 200,

Max. flow rate(GPM/ltr/h)

WB2 6-24C 6.2/1400

WB2 6-24 6.2/1400

WB2 8-32 7.0/1600

The use of a low-loss header is stronglyrecommended if the maximum water flowrate in the application concerned exceedsthe values shown in the table above, or ifthe system flow rates are unknown.The low-loss header is available asaccessory part.See the following pages for installationexamples with a low-loss header.

The 3-way mixing valve, built-in to achievethe low temperature level of the underfloorheating circuit, is controlled by an accessorykit for a heating circuit with mixing valve.The circulation pump built into the Vitodens200 boiler supplies the radiator heatingcircuit. The underfloor heating circuit issupplied by a circulation pump installed onsite which is controlled by the accessory kit.

Upon a call for DHW, the built-in divertingsolenoid valve is energized. The boiler hotwater is diverted to the DHW loop atmaximum pump rotational speed (novariable speed pump operation during DHWproduction). Once the DHW tank issatisfied, the built-in diverting solenoid valveis de-energized and heating operationresumes.

DHW supply and return piping between boiler DHW connections and the Viessmann DHW tank connections , shall be a minimum of 1”nominal pipe diameter (irrespective of the ¾” DHW connection outlet sizes provided on the boiler and the DHW tank). This will ensure theresidual head of the built-in pump is fully utilized to overcome the resistance of the DHW heat exchanger coil and to provide sufficientwater flow to the boiler heat exchanger.In non-Viessmann DHW tank applications, perform, in addition to the above, accurate calculations for DHW tank coil pressure drop versusboiler pump residual head to ensure sufficient water flow to the boiler heat exchanger. Failure to heed the above instructions may causeboiler short-cycling and inadequate DHW supply.

5167472v3

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AVPRV

TPV

I

Y

M~


IMPORTANT


40


– DHW storage tank– one heating circuit with mixing valve– one heating circuit without mixing valve and low-loss header


valve

Vitodens 200 gas-fired condensingboiler with programming unit forweather-responsive operationOutdoor temperature sensorRemote control for programming unitUnderfloor heating circuitRadiator heating circuitHeating circuit pumps (field supplied)Mixing valve temperature sensorAccessory kit for a heating circuitwith mixing valve

I Domestic hot water storage tankDHW tank temperature sensorExpansion tankLow-loss headerViessmann temperature sensor forlow-loss header

Optional purge tee (field supplied) foreasier air removal

S DHW supply and return piping



H DHW production...with the following flow conditions1. The total flow rate of the two heatingcircuits is greater than the maximumpossible water flow rate of the Vitodens200 (see following table).

Model No.

Vitodens 200,


WB2 6-24C 6.2/1400

WB2 6-24 6.2/1400

WB2 8-32 7.0/1600

The use of a low-loss header is thereforerecommended.The low-loss header is available asaccessory part.See page 34 in this manual for details onthe low-loss header.

The 3-way mixing valve, built-in to achievethe low temperature level of the underfloorheating circuit, is controlled by an accessorykit for a heating circuit with mixing valve.The circulation pump built into the Vitodens200 boiler supplies the heating circuit up tothe low-loss header.The radiator heating circuit is supplied by acirculation pump installed on site.

An expansion board (optional) must beordered from Viessmann to control thispump. See page 34 for details.

The underfloor heating circuit is supplied bya circulation pump installed on site which iscontrolled by the accessory kit.Upon a call for DHW, the built-in divertingsolenoid valve is energized. The boiler hotwater is diverted to the DHW loop atmaximum pump rotational speed (novariable speed pump operation during DHWproduction). Once the DHW tank issatisfied, the built-in diverting solenoid valveis de-energized and heating operationresumes.

DHW supply and return piping betweenboiler DHW connections and the Viessmann

DHW tank connections S , shall be aminimum of 1” nominal pipe diameter(irrespective of the ¾” DHW connectionoutlet sizes provided on the boiler and theDHW tank). This will ensure the residualhead of the built-in pump is fully utilized toovercome the resistance of the DHW heatexchanger coil and to provide sufficientwater flow to the boiler heat exchanger.In non-Viessmann DHW tank applications,perform, in addition to the above, accuratecalculations for DHW tank coil pressure dropversus boiler pump residual head to ensuresufficient water flow to the boiler heatexchanger. Failure to heed the aboveinstructions may cause boiler short-cyclingand inadequate DHW supply.

5167472v3

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AVPRV

TPV

I

Y

M~


S

S

IMPORTANT

IMPORTANT


41


– DHW storage tank– two heating circuits with a mixing valve


valve

Vitodens 200 gas-fired condensingboiler with programming unit forweather-responsive operation with2-wire BUS expansion moduleOutdoor temperature sensorRemote control for programming unitUnderfloor heating circuitRadiator heating circuitHeating circuit pump (field supplied)Mixing valve temperature sensorAccessory kit for a heating circuitwith mixing valve

I Vitotronic 050/Dekamatik-HK1 controlwith communication moduleDHW storage tankDHW tank temperature sensorExpansion tankLow-loss header

O Viessmann temperature sensor forlow-loss header

P Vitotrol 200 remote controlR Optional purge tee (field supplied) for

easier air removalS DHW supply and return piping

Installation of different heating circuits...H radiator heating circuitH underfloor heating circuit with 3-waymixing valve (low temperature circuit)

H DHW production...with the following flow conditions1. The total flow rate of the two heatingcircuits is greater than the maximumpossible flow rate of the Vitodens 200 (seefollowing table).

Model No.

Vitodens 200,


WB2 6-24C 6.2/1400

WB2 6-24 6.2/1400

WB2 8-32 7.0/1600


The 3-way mixing valve, built-in to achievethe low temperature level of the underfloorheating circuit, is controlled by an accessorykit for a heating circuit with mixing valve.The circulation pump built into the Vitodens200 boiler supplies the heating circuit up tothe low-loss header.The underfloor and radiator heating circuitsare supplied by circulation pumps installedon site which are controlled by theaccessory kit or the Vitotronic 050/Dekamatik-HK1 control.If more than two heating circuits withmixing valves are to be connected, they canbe controlled by the Vitocontrol.Contact your local Viessmann TechnicalSales Representative for details.



DHW tank connections S , shall be aminimum of 1” nominal pipe diameter(irrespective of the ¾” DHW connectionoutlet sizes provided on the boiler and theDHW tank). This will ensure the residualhead of the built-in pump is fully utilized toovercome the resistance of the DHW heatexchanger coil and to provide sufficientwater flow to the boiler heat exchanger.In non-Viessmann DHW tank applications,perform, in addition to the above, accuratecalculations for DHW tank coil pressure dropversus boiler pump residual head to ensuresufficient water flow to the boiler heatexchanger. Failure to heed the aboveinstructions may cause boiler short-cyclingand inadequate DHW supply.

5167472v3

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PRV AV

TPV

OI

Y

M~ M~

P


S

S

IMPORTANT


42


– direct-connected heating circuit– one heating circuit with system separation


valve

Vitodens 200 gas-fired condensingboiler with programming unit forweather-responsive operationOutdoor temperature sensorRemote control for programming unitUnderfloor heating circuitRadiator heating circuitPlate heat exchanger for systemseparationHeating circuit pump (field supplied)Mixing valve temperature sensor

I Accessory kit for heating circuit withmixing valveDHW storage tankDHW tank temperature sensorExpansion tankOptional purge tee (field supplied) foreasier removal of air

DHW supply and return piping



H DHW production...with the following flow conditions1. The flow rate (output) of the radiatorheating circuit is at least 30% greater thanthat of the underfloor heating circuit.2. The total flow rate of the two heatingcircuits is less than the maximum possiblewater flow rate of the Vitodens 200 boiler(see following table).

Model No.

Vitodens 200,


WB2 6-24C 6.2/1400

WB2 6-24 6.2/1400

WB2 8-32 7.0/1600

The use of a low-loss header is stronglyrecommended if the maximum water flowrate in the application concerned exceedsthe values shown in the preceding table, orif the system flow rates are unknown.The low-loss header is available as anaccessory part.

See preceding pages for installationexamples with a low-loss header.See page 34 in this manual for details onthe low-loss header.

The 3-way mixing valve, built-in to achievethe low temperature level of the underfloorheating circuit, is controlled by an accessorykit for a heating circuit with mixing valve.The circulation pump built into the Vitodens200 boiler supplies the radiator heatingcircuit and the plate heat exchanger forsystem separation. The underfloor heatingcircuit is supplied by a circulation pumpinstalled on site which is controlled by theaccessory kit.


The pressure drop (secondary circuit) of theplate heat exchanger must be lessthan/equal to (≦) the pressure drop of the3-way mixing valve.This must be taken into account whensizing the plate heat exchanger.


DHW tank connections , shall be aminimum of 1” nominal pipe diameter(irrespective of the ¾” DHW connectionoutlet sizes provided on the boiler and theDHW tank). This will ensure the residualhead of the built-in pump is fully utilized toovercome the resistance of the DHW heatexchanger coil and to provide sufficientwater flow to the boiler heat exchanger.In non-Viessmann DHW tank applications,perform, in addition to the above, accuratecalculations for DHW tank coil pressure dropversus boiler pump residual head to ensuresufficient water flow to the boiler heatexchanger. Failure to heed the aboveinstructions may cause boiler short-cyclingand inadequate DHW supply.

5167472v3

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TPV

PRVAV

I

Y

M~


IMPORTANT

IMPORTANT


43

System Layout 6Vitodens 200 (model WB2 11-44 and up) with...

– DHW storage tank and– one direct-connected heating circuit

Y


valve

Vitodens 200 gas-fired condensingboiler with programming unit forweather-responsive operationOutdoor temperature sensor ofcontrol unit for weather-responsiveoperationRemote control for programming unitHeating circuitHeating circuit pump (field supplied)DHW circulating pump (field supplied)DHW storage tankDHW tank temperature sensorExpansion tank

Please note!The use of a low-loss header isrecommended if the system water flow rateis less than 1.3 GPM / 300 ltr/h or morethan 15.4 GPM / 3500 ltr/h.The low-loss header is available asaccessory part.See page 34 in this manual for details onthe low-loss header.

Model No.

Vitodens 200,


WB2 11-44 15.4/3500

WB2 15-60 15.4/3500

DHW circulating pump must pump intothe Vitodens 200 boiler (as illustrated).

5167472v3

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PRV

TPV

AV

Y

Y

IMPORTANT


44


– DHW storage tank– one heating circuit with mixing valve and system separation


valve

Vitodens 200 gas-fired condensingboiler with programming unit forweather-responsive operationOutdoor temperature sensor ofcontrol unit for weather-responsiveoperationRemote controlUnderfloor heating circuitMixing valve temperature sensor

F1 Heating circuit pump (field supplied)F2 Heating circuit pump (field supplied),

located upstream of heat exchanger(see Important below)Plate heat exchanger for systemseparationAccessory kit for heating circuit withmixing valve

I DHW circulating pump (field supplied)DHW storage tankDHW tank temperature sensorExpansion tank

Please note!The use of a low-loss header isrecommended if the system water flow rateis less than 1.3 GPM / 300 ltr/h or morethan 15.4 GPM / 3500 ltr/h.The low-loss header is available asaccessory part.See page 34 in this manual for details onthe low-loss header.

Model No.

Vitodens 200,


WB2 11-44 15.4/3500

WB2 15-60 15.4/3500

Please note!System separation is required of underfloorheating systems employing non-oxygendiffusion barrier tubing.All components on the secondary side ofthe heat exchanger must be made ofcorrosion-resistant materials.

DHW circulation pump I must pump intothe Vitodens 200 boiler (as illustrated).

Sizing of field-supplied pump F2 is critical tothe proper boiler operation in system layout7 (above). The selected pump performancecurve must be at least equivalent to thoseshown on page 10 of this manual, or better.An undersized pump may causeshort-cycling and/or improper operation ofthe boiler. Viessmann STRONGLYrecommends using a low-loss header and aboiler pump in system layout 7 (above).

5167472v3

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PRV

TPV

AV

I

F1

F2

Y

M~

Y

IMPORTANT

IMPORTANT


45


– DHW storage tank– low-loss header– one heating circuit with mixing valve


valve

Vitodens 200 gas-fired condensingboiler with programming unit forweather-responsive operationOutdoor temperature sensor ofcontrol unit for weather-responsiveoperationRemote controlPrimary pump (boiler circuit, fieldsupplied) with low-loss header onlyUnderfloor heating circuitRadiator heating circuitMixing valve temperature sensor

H1 Heating circuit pump (field supplied)H2 Heating circuit pump (field supplied)I Accessory kit for heating circuit with

mixing valveLow-loss headerViessmann temperature sensor forlow-loss headerDHW circulating pump (field supplied)DHW storage tank

O DHW tank temperature sensorP Expansion tank

Please note!The use of a low-loss header isrecommended if the water flow rate is lessthan 1.3 GPM / 300 ltr/h or more than 15.4GPM / 3500 ltr/h.The low-loss header is available asaccessory part.See page 34 in this manual for details onthe low-loss header.

Model No.

Vitodens 200,


WB2 11-44 15.4/3500

WB2 15-60 15.4/3500

The radiator heating circuit is supplied by acirculation pump (field supplied). Anexpansion board (optional) must be orderedfrom Viessmann to control this pump.The underfloor heating circuit is supplied bya circulation pump installed on site which iscontrolled by the accessory kit.The DHW circulation pump is field supplied.

Pumps and must pump into theVitodens 200 boiler (as illustrated).

5167472v3

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AV

TPV

PRV

OH1

H2

I

Y

M~

Y

P

Alternate locationsof expansion tank

IMPORTANT


46


– DHW storage tank– two heating circuits with a mixing valve


valve

Vitodens 200 gas-fired condensingboiler with programming unit forweather-responsive operation with2-wire BUS expansion moduleOutdoor temperature sensorRemote control for programming unitPrimary pump (boiler circuit, fieldsupplied) with low-loss header onlyUnderfloor heating circuitRadiator heating circuitMixing valve temperature sensor

H1 Heating circuit pump (field supplied)H2 Heating circuit pump (field supplied)I Accessory kit for heating circuit with

mixing valveVitotronic 050/Dekamatik-HK1 controlwith communication moduleLow-loss headerViessmann temperature sensor forlow-loss headerDHW circulating pump (field supplied)

O DHW storage tankP DHW tank temperature sensorQ Expansion tankR Vitotrol 200 remote control

Installation of different heating circuits...H radiator heating circuitH underfloor heating circuit with 3-waymixing valve (low temperature circuit)

H DHW production...with the following flow conditions1. The total flow rate of the two heatingcircuits is greater than the maximumpossible flow rate of the Vitodens 200 (seefollowing table).

Model No.

Vitodens 200,


WB2 11-44 15.4/3500

WB2 15-60 15.4/3500


The 3-way mixing valve, built-in to achievethe low temperature level of the underfloorheating circuit, is controlled by an accessorykit for a heating circuit with mixing valve.

The underfloor and radiator heating circuitsare supplied by circulation pumps installedon site which are controlled by theaccessory kit or the Vitotronic 050/Dekamatik-HK1 control.If more than two heating circuits withmixing valves are to be connected, they canbe controlled by the Vitocontrol.Contact your local Viessmann TechnicalSales Representative for details.

The DHW circulating pump is field supplied.

5167472v3

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AV

TPV

PRV

O

P

2 2

1

5

5I

M~ M~

H1 H2

Q

R

Y



47


– DHW storage tank– low-loss header– multiple heating circuits with a mixing valve


valve

Vitodens 200 gas-fired condensingboiler with programming unit forweather-responsive operation andViessmann 2-wire BUS expansionmoduleOutdoor temperature sensor ofcontrol unit for weather-responsiveoperationPrimary pump (boiler circuit, fieldsupplied) with low-loss header onlyVitocontrol*1

Mixing valve temperature sensorHeating circuit pump (field supplied)Accessory kit for heating circuit withmixing valveHeating circuit with mixing valveViessmann temperature sensor forlow-loss headerLow-loss headerDHW circulating pump (field supplied)DHW tank temperature sensor

O DHW storage tankP Expansion tank

*1Contact your local Sales Representativefor details.

Pumps and must pump into theVitodens 200 boiler (as illustrated).

5167472v3

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AV

TPV

PRV

O

Y

M~ M~ M~

When designing a system as illustrated above, please contactyour local Viessmann Sales Representative for assistance.

Y

P


IMPORTANT


48

Installation Example

Multiple Vitodens 200, WB2-44 or -60 installation (up to four boilers) with one boiler dedicated to DHW production

and one heating circuit.

This installation example depicts apossible piping layout for multipleVitodens 200 boilers equipped withViessmann System Technology. Pleasenote that this example is based on asimplified conceptual drawing only!Piping and necessary componentry mustbe field verified.A low water cut-off (LWCO) must beinstalled where required by local codes.Proper installation and functionality in thefield is the responsibility of the heatingcontractor.

* A DHW recirculation pump (#20) can beconnected to Boiler 1 only.

5167472v3

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Boiler1*

Boiler2

Boiler3

Boiler4

Vitoc

ontrol-S

KM-BUSBoiler3KM-BUSBoiler2KM-BUSBoiler1

KM-BUSBoiler4

Low-lo

sshe

ader

DHW

tank

120V,60Hz,1PH

120V,60Hz,1PH

120V,60Hz,1PH

120V,60Hz,1PH

120V,60Hz,

1PH

Power

supp

ly

Sys

tem

pump

20-A

20-A

20-A

20-A21

Outdo

ortempe

rature

sens

or

Com

mon

supp

lytempe

rature

sens

or

21

Viess

man

n2-w

ireBUS

HK1 M

IMPORTANT

If a DHW storage tank other than aViessmann Vitocell 100 or 300 tank isused, the installer must verify properoperation of the Viessmann DHW tanktemperature sensor with the originalmanufacturer of the tank. Viessmannstrongly recommends the installation ofa temperature tempering valve in theDHW supply line.

WARNING


49

System Design Considerations

IN THE COMMONWEALTH OF MASSACHUSETTS...-this product shall be installed by a licensed plumber or gas fitter.-the flexible connector (if used) cannot exceed 36”.-any level type shutoff used must be of tee handle type.

Boiler location

As a direct vent appliance, the Vitodens 200can be installed for room air independentoperation (sealed combustion) regardless ofsize and ventilation method of the room inwhich it is located.The Vitodens 200 can be installed, forexample, in the main living area of a house,in non-ventilated utility rooms, cupboards,closets and alcoves with no clearancerequired from combustible materials, as wellas in attics with a direct outlet for the fluegas/fresh air system. Follow all local andnational codes.

Flue gas system

Viessmann PPS (Polypropylene) concentricflue gas/fresh air systems for room airindependent operation (sealed combustion)and side wall venting are tested to ANSIZ21.13 - CSA 4.9 - 2000 standards and arecertified together with the Vitodens 200boiler as a constructional unit.The Vitodens 200 boiler may also be ventedvertically, using an AL29-4C® specialstainless steel, single-wall, room airdependent venting system (UL listed forcategory IV).For a more detailed description of the directvent and single-wall vent system, pleaserefer to the Vitodens 200 Venting SystemInstallation Instructions.

Flue gas temperature protection

Flue pipes used for the Vitodens 200 aresuitable for max. flue gas temperatures ofup to 248 °F/120 °C.

No flue gas temperature protection isrequired as the maximum permissible fluegas temperature is not exceeded in anyoperating condition or in the event ofmalfunctioning.

Low water cut-off

A low water cut-off may be required bylocal codes. If the boiler is installed abovethe radiation level, a low water cut-offdevice of approved type must be installed inall instances. An approved type low watercut-off device must be provided by theheating contractor. Do not install anisolation valve between the boiler and thelow water cut-off.

System layout

H The max. boiler water temperature for ...–space heating is 167 °F/75 °C.–DHW production is 172 °F/78 °C.

To minimize distribution losses,Viessmann recommends that the heatingand domestic hot water systems be basedon a maximum boiler supply temperatureof 158 °F/70 °C.

H Due to the low return temperaturesrequired for gas condensing, no mixingvalves should be used in the heatingcircuit whenever possible. If mixing valvesare required, e.g. for multi-circuit systemsor underfloor heating systems, only 3-waymixing valves must be used.Do not use 4-way mixing valves withcondensing boilers.

Water connections

Vitodens 200 boilers can be used in any fullypumped hot water heating system.Minimum system pressure is 0.8 bar/12 psig.

Chemical corrosion protection productsCorrosion does not typically occur in sealedheating systems which have been correctlyinstalled and are correctly operated.Many manufacturers of plastic pipesrecommend the use of chemical additives.In this case, only those commerciallyavailable corrosion protection productsapproved for boilers with domestic hotwater heating via single-wall heatexchangers (instantaneous plate heatexchangers or DHW tanks) must be used.

Underfloor heating systems

For underfloor heating systems Viessmannrecommends the use of plastic tubing withan oxygen diffusion barrier in order toprevent the diffusion of oxygen throughtubing. If plastic tubing without an oxygendiffusion barrier is used in underfloorheating systems, Viessmann recommendsthat such systems be separated from theboiler with a heat exchanger.

Underfloor heating systems and heatingcircuits containing a very large volume ofwater must be connected to the boiler via a3-way mixing valve; please refer to theapplicable installation example in thismanual.

Oxygen diffusion barrierunderfloor tubingThe boiler warranty does not cover leaksresulting from corrosion caused by the useof underfloor plastic tubing without anoxygen diffusion barrier. Such systems musthave the non-oxygen diffusion barrier tubingseparated from the boiler with a heatexchanger. Viessmann recommends the useof underfloor plastic tubing with an oxygendiffusion barrier.

Water quality

Treatment for boiler feed water should beconsidered in areas of known problems,such as where a high mineral content andhardness exist. In areas where freezingmight occur, an antifreeze may be added tothe system water to protect the system.Please adhere to the specifications given bythe antifreeze manufacturer. Do not useautomotive silicate based antifreeze. Pleaseobserve that an antifreeze/water mixturemay require a backflow preventer within theautomatic water feed and influencecomponents such as diaphragm expansiontanks, radiation, etc. Maximum antifreezecontent is 50% for the Vitodens 200 boiler.Do not use antifreeze other than specificallymade for hot water heating systems.System also may contain componentswhich might be negatively affected byantifreeze. Check total system frequentlywhen filled with antifreeze. Advise systemoperator/ultimate owner that system is filledwith a glycol mix.The heating contractor must provide aMSDS (Material Safety Data Sheet) for theantifreeze used to the systemoperator/ultimate owner.

Warranty

Our warranty does not cover damagesresulting from the following:– installation or service by unqualified andunlicensed personnel.

– attempting to perform any repair work onthe boiler other than that mentioned in theboiler literature.

– tampering with or attempting to readjustthe factory settings of the

–combination gas valve–combustion air opening of theburner blower

– leaks resulting from corrosion caused bythe use of underfloor plastic tubingwithout an oxygen diffusion barrier.

For detailed warranty information, pleaseread warranty sheet supplied with product.

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Viessmann Manufacturing Company Inc.750 McMurray RoadWaterloo, Ontario • N2V 2G5 • CanadaTel. (519) 885-6300 • Fax (519) 885-0887www.viessmann.ca • [email protected]

Viessmann Manufacturing Company (U.S.) Inc.45 Access RoadWarwick, Rhode Island • 02886 • USATel. (401) 732-0667 • Fax (401) 732-0590www.viessmann-us.com • [email protected]

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technical data manualgreenwoodlands.org/images/viessmann_vitodens-200-tdm.pdf · 2011-06-09 ·...

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