large scale collector gk 3000 - solfex energy systems€¦ · – flat roof mounting: 30°/ 45°/...

Large Scale Collector GK 300010m² (GK3100) / 5m² (GK3500)

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• USP`s• Exploded View• Technical Data• Possible Connections• Fastening System• Packaging

Large Scale Collector GK 3000Agenda

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Large Scale Collector GK 3000USP‘s

• Advantages by using big solar thermal systems– Manifolds 28mm– Up to 11 modules (110m²) in parallel connection possible

based on minimal pressure losses• Easy installation reduces costs

– 3 triangles for 10m² reduces thepreparation time on the roof

– Pre-mounted fastening with lay-on profilesallows a minimal crane endurance

– Simple connection of collectors based onintegrated anti-twist protection

• Attractive System-Output– Low pressure losses– High efficiency

• Optimal shut-down behavior (Serpentine-Absorber)• Good price-/efficiency relation

– Output/m²-price– Integral costs of solar thermal system

• Excellent quality– Statics– Optical design

• Easy Service– Glass and module can be replaced separately

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Large Scale Collector GK 3000Exploded View

Transparent coverLow-iron solar glass

Absorber sheetAl; high selective coating

InsulationRockwool with black fleece

Al- back sheet

Al- FrameHollow section

Serpentine grid

28mm Manifolds

Flange platethermal separation

Glass frame 4 Outlets (1 ¼“)incl. anti-twist protection

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Large Scale Collector GK 3000Technical Data – General

Type 10m² (GK 3100) 5m² (GK 3500)Overall area [m²] 10,05 5,04

Aperture area [m²] 9,43 4,70

Absorber area [m²] 9,17 4,59Dimensions L x W x H [mm] 4.896 x 2.064 x 114 2.441 x 2.064 x 114Overall collector Weight empty [kg] 170 90

Absorber capacity [l] 9,0 4,5Absorber Al-/Cu Serpentine; laser weldedAbsorber sheet coating:

Absorption [%]Emission [%]

Al, high selective vacuum coating955

Conversion factorη0 Abs [%] 0,789

Eff. feat transfer coefficientk1 [W/m²k]

k2 [W/m²k²]3,8340,011

Incident angel modifier K_dir(50°) 0,95

Output [Wpeak] 7362 3681

Maximum stagnation temperature 192°C

Maximum working pressure [bar] 10 10

Nominal flow rate [l/m²h] 15 15

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Large Scale Collector GK 3000Technical Data – General

Type 10m² (GK 3100) 5m² (GK 3500)Collector frame Al- Frame

Surface Al- nature

Transparent cover 3,2 mm Low-iron solar glass

Transmission [%] 90,2

Manifolds [mm] 28

Risers [mm] 8

Outlets 4 x 1 1/4“ external thread (incl. anti-twist protection)

Insulation 50 mm Rockwool

Bottom sheet Al

Heat transfer medium Polypropylene glycol / water mixture

Standard packaging 6 pcs. upright

Guarantee 10 years

Certificates

Solar Keymark

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Large Scale Collector GK 3000Possible Hydraulic Schemes

Connection parallel serial

Not-Tichelmann

Tichelmann

(4 parallel / max. 100m²)

N…N1

N…N1

N4N1

N4N1

N4N1

N4N1

(4 parallel / max. 100m²)(max. 110m²)

(max. 80m²)

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Connection parallel serial

High Flow Low Flow High Flow Low Flow

Not-Tichelmann max.70m² max. 80 m²

notreasonable(stream distribution)

max. 100 m²

Tichelmann max.70m² max. 110 m²not

reasonable(stream distribution)

max. 100 m²

Limits set by AEE-Intec• Stream distribution: difference max. 1,5• Pressure losses: max. 500 mbar

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Large Scale Collector GK 3000Possible Hydraulic SchemesParallel – high flow vs. low flow

High Flow (30 – 50 kg/m²h):• Connectable area TM: max. 70 m²• Connectable area NTM: max. 70 m²• Limitation based on:

pressure losses > 460 mbarDruckverlust, Sammler 28 mm

0

1

2

3

4

5

6

7

8

9

10

0 10 20 30 40 50 60 70 80 90 100 110 120

Kollektorfläche m²

Dru

ckve

rlust

mW

S

TM 50 kg/m²h NTM 50 kg/m²h






Low Flow (10 – 20 kg/m²h):• Connectable area TM: max. 110 m²• Connectable area NTM max. 80 m²• Limitation based on:

stream distribution diff. max. 1,5Druckverlust, Sammler 28 mm

0

1

2

3

4

5

0 10 20 30 40 50 60 70 80 90 100 110 120


Dru

ckve

rlust

mW

S



TM 17,5 kg/m²h NTM 17,5 kg/m²h


TM 12,5 kg/m²h NTM 12,5 kg/m²h



800 W/m², Tu: 20°C, Tein: 30°C 800 W/m², Tu: 20°C, Tein: 30°C

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Mengenverhältnis max/min in Absorberrohren Sammler 28 mm

1,01,11,21,31,41,51,61,71,81,92,02,12,22,32,42,52,62,72,8

0 10 20 30 40 50 60 70 80 90 100 110 120


Men

genv

erhä

ltnis

max

/min



Durchflußmengen

0,00

20,00

40,00

60,00

80,00

100,00

120,00

140,00

160,00

180,00

1 / 1 1 / 2 1 / 3 1 / 4 1 / 5 1 / 6 1 / 7 1 / 8 1 / 9 1 / 10 1 / 11 1 / 12 1 / 13 1 / 14 1 / 15 1 / 16 1 / 17 1 / 18 1 / 19 1 / 20 1 / 21 1 / 22 1 / 23 1 / 24 1 / 25 1 / 26 1 / 27 1 / 28 1 / 29 1 / 30 1 / 31 1 / 32

Gruppe Nr / Absorber Nr

kg/h

Durchflußmengen

0,00

20,00

40,00

60,00

80,00

100,00

120,00

140,00

160,00

1 / 1 1 / 2 1 / 3 1 / 4 1 / 5 1 / 6 1 / 7 1 / 8 1 / 9 1 / 10 1 / 11 1 / 12 1 / 13 1 / 14 1 / 15 1 / 16 1 / 17 1 / 18 1 / 19 1 / 20 1 / 21 1 / 22 1 / 23 1 / 24 1 / 25 1 / 26 1 / 27 1 / 28 1 / 29 1 / 30 1 / 31 1 / 32 1 / 33 1 / 34 1 / 35 1 / 36 1 / 37 1 / 38 1 / 39 1 / 40 1 / 41 1 / 42 1 / 43 1 / 44

Gruppe Nr / Absorber Nr

kg/h

Tichelmann 110 m², 50 kg/m²h

Not-Tichelmann 80 m², 50 kg/m²h

800 W/m², Tu: 20°C, Tein: 30°C 1000 W/m², Tu: 20°C, Tein: 80°C

Output relation real / ideal: 0,9992

Output relation real / ideal: 0,9991

Large Scale Collector GK 3000Possible Hydraulic SchemesParallel – stream distribution within absorber pipes

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Druckverlust, Sammler 28 mm

0

1

2

3

4

5

6

7

8

9

10

0 20 40 60 80 100 120


Dru

ckve

rlust

mW

S

TM 25 kg/m²h

NTM 25 kg/m²h

TM 20 kg/m²h

NTM 20 kg/m²h

TM 17,5 kg/m²h

NTM 17,5 kg/m²h

TM 15 kg/m²h

NTM 15 kg/m²h

TM 12,5 kg/m²h

NTM 12,5 kg/m²h

TM 10 kg/m²h

NTM 10 kg/m²h

TM 8 kg/m²h

NTM 8 kg/m²h

Large Scale Collector GK 3000Possible Hydraulic SchemesSerial (4 parallel) – high flow vs. low flow

High Flow (30 – 50 kg/m²h):• Not reasonable based on high

differences in the stream distribution(difference > 1,5)

Low Flow (10 – 20 kg/m²h):• Connectable area TM: max. 100 m²• Connectable area NTM max. 100 m²• Limitation based on:

pressure losses > 440 mbar

800 W/m², Tu: 20°C, Tein: 30°C

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Tichelmann 120 m², 15 kg/m²h Not-Tichelmann 120 m², 15 kg/m²h


1,00

1,02

1,04

1,06

1,08

1,10

1,12

1,14

0 20 40 60 80 100 120Kollektorfläche m²

Men

genv

erhä

ltnis

max

/min

TM 1.Gruppe, 25 kg/m²h




Tichelmann


1,00

1,05

1,10

1,15

1,20

1,25

1,30

1,35

0 20 40 60 80 100 120


Men

genv

erhä

ltnis

max

/min

NTM 1.Gruppe, 25 kg/m²h




Not-Tichelmann

Durchflußm e nge n

0,00

10,00

20,00

30,00

40,00

50,00

60,00

70,00

80,00

1 / 1 1 / 2 1 / 3 1 / 4 1 / 5 1 / 6 1 / 7 1 / 8 1 / 9 1 / 10 1 / 11 1 / 12 1 / 13 1 / 14 1 / 15 1 / 16 1 / 17 1 / 18 1 / 19 1 / 20 1 / 21 1 / 22 1 / 23 1 / 24 2 / 1 2 / 2 2 / 3 2 / 4 2 / 5 2 / 6 2 / 7 2 / 8 2 / 9 2 / 10 2 / 11 2 / 12 2 / 13 2 / 14 2 / 15 2 / 16 2 / 17 2 / 18 2 / 19 2 /20

2 / 21 2 /22

2 /23

2 /24

Gruppe Nr / Absorbe r Nr

kg/h

Durchflußm e nge n

0,00

10,00

20,00

30,00

40,00

50,00

60,00

70,00

80,00

90,00

1 / 1 1 / 2 1 / 3 1 / 4 1 / 5 1 / 6 1 / 7 1 / 8 1 / 9 1 / 10 1 / 11 1 / 12 1 / 13 1 / 14 1 / 15 1 / 16 1 / 17 1 / 18 1 / 19 1 / 20 1 / 21 1 / 22 1 / 23 1 / 24 2 / 1 2 / 2 2 / 3 2 / 4 2 / 5 2 / 6 2 / 7 2 / 8 2 / 9 2 / 10 2 / 11 2 / 12 2 / 13 2 / 14 2 / 15 2 / 16 2 / 17 2 / 18 2 / 19 2 /20

2 / 21 2 /22

2 /23

2 /24

Gruppe Nr / Absorbe r Nr

kg/h

800 W/m², Tu: 20°C, Tein: 30°C

1000 W/m²,

Tu: 20°C,

Tein: 80°C

Large Scale Collector GK 3000Possible Hydraulic SchemesSerial (4 parallel) – stream distribution

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• 2 executions of Al-Profile (both: 150 km/h wind)– Standard Load: Snow 1,25 kN/m² 45x45x4 mm

– High Load: Snow 3,0 kN/m² 50x50x6 mm

• Fastening Types:– Flat roof mounting: 30°/ 45°/ 60°– On roof mounting: 25° - 75° (stair bolt)

• Fastening fixed on concrete bars or on basic construction of thebuilding via fixation piece possible

• Verified based on DIN 1055 for wind and snow load; and basedon DIN 4113 for Al-Formwork

• Units of triangles per load

Large Scale Collector GK 3000Fastening - Systems

Load 10 m² 5 m²Snow: 1,25 kN/m² / 3,0kN/m²Wind: 150 km/h

3 2

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• Type: Flat roof 45 N3 HL GK3100 VE30

• Al-Profile (150 km/h wind): 50x50x6 mm

• Specific execution of lay-on profile and support profile

• Fastening 45° for flat roof mounting

• Fastening based on basic construction of the building viafixation piece

• Verified based on DIN 1055 for wind and snow load; and basedon DIN 4113 for Al-Formwork

• Fastening trianglesLoad 10 m²Wind: 150 km/h 3

Large Scale Collector GK 3000Fastening - System

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Large Scale Collector GK 3000Fastening – Assembling Flat Roof

• Step 1: Adjusting of Concrete Bars

Concrete Bar

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• Step 1: Adjusting of Concrete Bars

• Step 2: Drilling holes for Fixing Pieces

Concrete Bars

Fixing PieceAl-Profile 125x50x62 pcs. per triangle


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• Step 1: Adjusting of Concrete Bars• Step 2: Drilling of holes for Fixing Pieces

• Step 3: Fixation of Fixing Pieces

Concrete Bars


Concrete screws M122 pcs. pro fixing piece

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• Step 1: Adjusting of Concrete Bars• Step 2: Drilling of holes for Fixing Pieces• Step 3: Fixation of Fixing Pieces

• Step 4: Mounting of Lay-On Profile

Concrete Bars



Lay-On ProfileAl-Profile 45x45x4Al-Profile 50x50x6

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• Step 1: Adjusting of Concrete Bars• Step 2: Drilling of holes for Fixing Pieces• Step 3: Fixation of Fixing Pieces• Step 4: Mounting of Lay-On Profile

• Step 5: Mounting of Support Profile

Concrete Bars

Fixing PieceAl-Profil 125x50x62 pcs. per triangle



Support ProfileAl-Profile 45x45x4Al-Profile 50x50x6

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Concrete Bars




Support ProfileAl-Profile 45x45x4Al-Profile 50x50x6

Collector Fastening BracketAl-Profile 45x45x6

• Step 1: Adjusting of Concrete Bars• Step 2: Drilling of holes for Fixing Pieces• Step 3: Fixation of Fixing Pieces• Step 4: Mounting of Lay-On Profile

• Step 5: Mounting of Support Profile

• Step 6: Mounting of CollectorFastening Bracket

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• Step 7: Collector placed, supported by the crane, on thefastening and fixed by Hammer Head Screws

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Large Scale Collector GK 3000Fastening – Assembling On Roof

• Step 1: Measuring + Drilling holes in roof tiles and rafter

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• Step 1: Measuring + Drilling holes in roof tiles and rafter

• Step 2: Mounting of Hanger bolts

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• Step 1: Measuring + Drilling holes in roof tiles and rafter• Step 2: Mounting of Hanger bolts

• Step 3: Mounting of Lay-On Profiles

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• Step 1: Measuring + Drilling holes in roof tiles and rafter• Step 2: Mounting of Hanger Bolts• Step 3: Mounting of Lay-On Profiles

• Step 4: Mounting of Collector Fastening Brackets

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• Step 1: Measuring + Drilling holes in roof tiles and rafter• Step 2: Mounting of Hanger Bolts• Step 3: Mounting of Lay-On Profiles• Step 4: Mounting of Collector Fastening Brackets

• Step 5: Collector placed, supported by the crane, on the fastening andfixed by Hammer Head Screws

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Large Scale Collector GK 3000Responsibilities about statics

Static for responsibility• Collector GoT• Fastening (Flat roof mounting; incl. fixing piece) GoT• Fastening from the fixing piece onwards OEM• Special Solutions for Fixing Piece OEM

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• Concept:– stable stackable units (VS6)– special formed metal covers

(fixation + protection for manifolds)– Wooden construction

(protection against scratches from forklift)– Special-Pallet (positioning for lifting)– Plastic strap

Large Scale Collector GK 3000Packaging

• Special packaging for VS < 6– VS 5-2

(stability; collectors have to be on outer side!)– VS 1: collector + dummy collector

• Maximum Loading - Minimal Transport Costs– Truck: 360m² (6 x VS6)– 40” Container: 300m² (6 x VS5)

Metal cover (4x)

WoodenConstruction(both sides)

Special-Pallet

Metal cover top Metal cover bottom

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• Concept:– stable stackable units (5 pcs.)– special formed metal covers

(fixation + protection for manifolds)– Wooden construction

(protection against scratches from forklift)– Special Pallet– Wood is treated acc. ISPM 15– Possible to lift with manual lift truck on the

small side

• Container Load: 300m² (6 x VE 5)

Metal cover top Metal cover bottom

Large Scale Collector GK 3000Packaging Collector

4.925mm

720mm

2.28

5mm

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Large Scale Collector GK 3000Packaging Collector

Collector Type Packaging Type Dimension LxWxH [mm] Weight [kg]

GK3100 VS1 4927x771x2273 371VS2 4927x791x2273 489VS3 4927x791x2273 658VS4 4927x791x2273 827VS5 4927x791x2273 996VS6 4927x791x2273 1165

GK3500 VS1 2273x771x2500 245VS2 2273x791x2500 309VS3 2273x791x2500 395VS4 2273x791x2500 482VS5 2273x791x2500 568VS6 2273x791x2500 654

L

H

W

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• Fastening (50 pcs./palette)– 30°/45°/60° with N2 / N3– SS 0 with N3 / N5

Large Scale Collector GK 3000Product Program

Articles:• Collector (incl. standard-packaging VE6)• Special packaging < VE2 – 5 / VE1

• Installation Kit in PE-bags (10 pcs. in carton)– 2 blind plugs– 4 sealing’s

• Connection Kit– 2 thermal length compensation– 4 sealing’s– 1 mounting jigs

• Immersion Sleeve + Mounting Instruction+ mounting jigs in 1 carton

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Large Scale Collector GK 3000

The Large Scale CollectorGK 3000

is perfect for solar thermalsystems > 60 m² !

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ConnectionLow

parallel serial

Not-Tichelmann

Tichelmann

(4 parallel)

(4 parallel)

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Large Scale Collector GK 3000Technical Data – Efficiency Curve Absorber

0 = 0,804 α1 = 3,908 W/m²K α2 = 0,11 W/m²K²

KollektorwirkungsgradBezugsfläche Absorber

0,00

0,10

0,20

0,30

0,40

0,50

0,60

0,70

0,80

0,90

1,00

0,00 0,01 0,02 0,03 0,04 0,05 0,06 0,07 0,08 0,09 0,10tm-ta/G

eta

Efficiency Curve(based on Absorber)

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Large Scale Collector GK 3000Technical Data – Efficiency Curve Aperture

0 = 0,789 α1 = 3,834 W/m²K α2 = 0,11 W/m²K²

KollektorwirkungsgradBezugsfläche Apertur

0,00

0,10

0,20

0,30

0,40

0,50

0,60

0,70

0,80

0,90

1,00

0,00 0,01 0,02 0,03 0,04 0,05 0,06 0,07 0,08 0,09 0,10tm-ta/G

eta

Efficiency Curve(based on Aperture)

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0

500

1000

1500

2000

2500

0 100 200 300 400 500

Massenstrom [kg/h]

Dru

ckve

rlust

[mba

r]

Large Scale Collector GK 3000Technical Data – Pressure Loss Curve

GK 3500 (5m²)

GK 3100 (10m²)

Mass flow [kg/h]

Pre

ssur

e Lo

ss [m

bar]

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Large Scale Collector GK 3000Mounting – Distances (in mounting instruction)

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Large Scale Collector GK 3000Mounting – Distances (in mounting instruction)

PresentationConceptLarge Surface Collector GK ReDesign10m² (GK31001) / 5m² (GK3501)

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Concept Large Surface Collector GK RDTarget group /-market

• Target group:– Industrial applications– Public buildings (airport, office building, etc.)– Multi-family houses– Residential houses (hotels)

Concept Large Surface Collector GK RDImprovements to actual product

• Attractive performance characteristics improved– Manifold Ø22mm welded to absorber sheet– Manifold embedded in isolation– Ratio of aperture area to absorber area optimized

• Optional back board reinforcement for increase wind force

• Approved system components retained– Simple collector installation– Optimal stagnation behaviour (Serpentine - absorber)– Excellent value for money– Highest quality– Easy to service

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Concept Large Surface Collector GK RDConstruction

GlassSafety glass

Absorber sheetAl; highly selective vacuum coating

InsulationMineral wool plate

Al-Back plate

Al-FrameHollow chamber

Serpentine register

22mm manifold

Flange plateThermal separation

Cover bar 4 Connections (1 ¼“)Including anti-rotation element

Concept Large Surface Collector GK RDPerformance characteristics

04.07.2012 44

large scale collector gk 3000 - solfex energy systems€¦ · – flat roof mounting: 30°/ 45°/...

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