36g gas control product information - hvacr …€¦ · 36g gas control product information ......

36G Gas ControlProduct Information

Features include: • Patentedcoaxialsolenoiddesign.

•Inletandoptionaloutletscreenshelpprotectfromdebris.

•Highsealingforcedirectactingvalves.

• Controlledgasketcompressionto withstandhighinletpressures.

•Tamperresistantscrews.

• Automated/manualassemblyand comprehensivetesting.

•Built-inhoseconnectionsforsimplified fieldservice.

•Convenientlylocatedelectricon-offswitch.

•Versatilemounting(anyposition).

The36G(Gemini)combinationgascontrolvalveisaversatilemultifunctioncontroldesignedtomeettherequirementsforusewithnon-pilotedintermittentignitionsys-tems(DirectSparkIgnition,HotSurfaceIgnition).Modelsincludefastandslowopensingleandtwostagevalves.Thesevalvesarealsoconvertiblefornatural/LPgases.Alongwithitsreducedsize,allcontroladjustmentsandfeatures,aswellasthesysteminterface-wiringpanel,havebeendesignedonthetopsurfaceofthecontrolforsimplifiedapplicationandeasyacces-sibility.TheGeminigascontrolisdesignedtomeettoday’srequirementformaximumcapacity,smallersizeandhighlyefficientgassystems.

Single Stage 36G

Two Stage 36G

Information in this manual is provided to qualified HVAC Professionals Only for the installation and replacement of gas valves. Homeowners must contact their local HVAC Contractor for gas valve replacement.

Any gas valve suspected of damage or if it has been flooded with water must be replaced immediately. There are no service-able parts on a gas valve.

36GGASCONTROLPRODUCTINFORMATION

R-4106C2

Contents

Product Description

Overview....................................................................................................................................................... 1

General Specifications

StandardFeatures........................................................................................................................................ 3OptionalFeatures.......................................................................................................................................... 3RegulatorAdjustmentRange........................................................................................................................ 31"PressureDropCapacity............................................................................................................................ 4

Single Stage Model

SchematicGasFlowDiagram....................................................................................................................... 5StandardOpenControl................................................................................................................................. 6SlowOpenControl........................................................................................................................................ 6ConvertibleRegulator................................................................................................................................... 6SystemApplications...................................................................................................................................... 7ElectricalConnections.................................................................................................................................. 8Dimensions................................................................................................................................................... 8

Two Stage Model

SchematicGasFlowDiagram....................................................................................................................... 9StandardOpenControl................................................................................................................................. 10SlowOpenControl........................................................................................................................................ 10ElectricalConnections.................................................................................................................................. 11Dimensions................................................................................................................................................... 11

Models Available

Model&TypeNumberDesignations............................................................................................................. 12

36GGASCONTROLPRODUCTINFORMATIONR-4106C 3

GeneralSpecifications

Standard Features

• Inlet/Outletscreen•Ambienttemperaturefor–40˚Fto175˚F•Mounting(Anyposition)•Quietredundant•Electricalshut-off•Topmountedcomponents•Outletpressuretap(5/16"I.D.hoseconnection)•Ventconnectionfor5/16"I.D.hose•Quick-connectterminals(1/4")•Mountingholesfor8-32screws•Adjustableregulator(s)•Maximumpressure(1/2PSI)•CSAapproved

Optionals Features

•Groundterminal•NaturaltoLPregulatorselector(convertible;singlestageonly)•Slowopen•Inletpressuretap(5/16"I.D.hoseconnection)•Right-angleoutlet•Limitedmaximumadjustableregulator•Ventfittingfor1/4"I.D.hose(90˚elbow)•1/8"N.P.T.Pressuretaps(inletandoutlet)

Regulator Adjustment Range

Valve(Stages)

CSA Std. Gas.64 Sp. Gr.

(1000 BTU/CU. FT.)

LP Gas1.53 Sp. Gr.

(2500 BTU/CU. FT.)

AdjustmentRange

(NAT., IN. W.C.)

AdjustmentRange

(LP., IN. W.C.)

PipeSizes

Single

Two

1/2 x 1/2 NPT

1/2 x 1/2 NPT

40 –210

20 low –210 high

60 –340

32 low –340 high 1.0 - 4.0 low2.0 - 5.0 high

4.0 - 10.0 low6.0 - 12.0 high

1.5 - 3.52.5 - 5.0

5.0 - 11.57.0 - 12.0


R-4106C4

GeneralSpecifications

1" Pressure Drop Capacity

1" PRESSURE DROP CAPACITY(1/2" x 1/2" PIPE SIZE)

0

50

100

150

200

250

0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2

DIFFERENTIAL PRESSURE (IN. W.C.)

NA

T. G

AS

FL

OW

(K

BT

U/H

R)

1/2 x1/2

Pipe Sizes(NPT)

140,000BTU/HR

CSA Std. Gas.64 Sp. Gr.

(1000 BTU/CU. FT.)

226,800BTU/HR

LP Gas1.53 Sp. Gr.

(2500 BTU/CU. FT.)

1.0" PRESSURE DROP CAPACITY


Schematic Gas Flow Diagram

SingleStageModel

DIAGRAM FOR ILLUSTRATION ONLY, NOT ALL DETAILS ARE INCLUDED

RedundantSolenoid

OutletPressureTap

InletPressureTap

InletScreen

Inlet

ControlGasOrifice

OpeningOrifice

Diaphragm

OutletScreen

Outlet

Vent(LeakLimited)

RegulatorAdjustScrew

RegulatorCapScrewMainValve


R-4106C6

Standard Open Control

SingleStageModel

Slow Open Control

Thiscontrolhasastandardopeningcharacteristic,whichissuitableforawiderangeofapplications.Itprovidesafastrisetofullpressureuponenergizingthesolenoid.Regulator LPspringconversionkitsareavail-ableforthiscontrol.

0 1 2 3 4 5 6 7 8 9 10

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

SECONDS

INC

HE

SW

.C.

GEMINI STANDARD OPEN GAS VALVE(.019 OPENING ORIFICE)

Thiscontrolhasaslowopeningcharacteristic.Itprovidesaslowincrease ofgastofullpressureforsmootherignition,asmayberequiredbysomeap-plications.

Thereareoptionsavailable:B..006OpeningorificeC..008OpeningorificeD..012Openingorifice

Convertible Regulator

NOTE:TYPICALOPENINGCURVENATURALGAS100,000BTU/HR.7"W.C.INLET/3.5"W.C.OUTLETOPENING CHARACTERISTICS WILL VARY WITH FLOW RATE AND APPLICATION.

0 1 2 3 4 5 6 7 8 9 10

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

SECONDS

INC

HE

SW

.C.

GEMINI SLOW B

0 1 2 3 4 5 6 7 8 9 10

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

SECONDS

INC

HE

SW

.C.

GEMINI SLOW C

0 1 2 3 4 5 6 7 8 9 10

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

SECONDS

INC

HE

SW

.C.

GEMINI SLOW D

Theconvertibleregulatoroptionforthiscontrolinvolvesaconstruction,whichpermitseasyNaturaltoLPconversion(orviceversa)byremoving,invertingandreplacingtheregulatorcapscrew.Thisfeatureeasilylendsitselftouseinmobilehomesandinfra-redapplications

0 1 2 3 4 5 6 7 8 9 10

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

SECONDS

INC

HE

SW

.C.

GEMINI CONVERTIBLE GAS VALVE

NOTE:TYPICALOPENINGCURVENATURALGAS100,000BTU/HR.7"W.C.INLET/3.5"W.C.OUTLET



SingleStageModel

HSI CONTROL.ThethermostatcallsforheatandenergizestheHSIcontrol.Ifsystemisequippedwithprepurge,thepurgefanisenergizedandpowerwill bedelayedthirtysecondsbeforeapplicationtothesiliconcarbideignitor.Ifprepurgeisnotselected,theignitorispoweredwithinonesecond.Theignitorheatsupandattheendoftheheatingperiod,theredundantandmainvalvesareopened.Aflamemustbedetectedwithinafixedtimeperiodorbothvalvesclose,theignitoristurnedoffandtheHSIcontrollocksoutunlessthesystemisequippedwithretry.Retryindicatestheignitionsequencewillberepeatedforatotalofthreetriesifflameisundetectedorlostwithin30secondsofignition.

Accessories:HSIcontrol,SenseElectrode,SiliconCarbideIgnitor,SiliconNitrideIgnitor

INTEGRATED CONTROL.The50A55or50A65IntegratedHotSurfaceIgnitioncontrolsemployamicroprocessortocontinuouslymonitor,analyze, andcontroltheproperoperationofthegasburner,inducer,andfan.Signalsinterpretedduringcontinualsurveillanceofthethermostatandflamesensingelementinitiateautomaticignitionoftheburner,sensingoftheflame,andsystemshut-offduringnormaloperation.Thecontrolincorporatessystemfaultanalysisforquickgasflowshut-off,coupled withautomaticignitionretryuponsensingafaultcorrection.

System Applications – Hot Surface Ignition

System Applications – Direct Spark Ignition

HEAT COOL PARK PARK

CIRCULATORBLOWER

CIRCNEU IND

INDNEU

INDUCER

K1a K1b

K2 K4

RRO2

RO1ROLLOUTSWITCH

THXFMRHOT

XFMRNEU

TRC

YGW

24 VAC

COMPRESSORCONTACTORCOIL

THERMOSTAT

R

YGW

HLI

AUX.LIMIT

HIGHLIMIT

PRESSURESWITCH

HLOPS

K8

K7

GASVALVE

MVMVGNDLIGNFP2FP1

IGNITOR

FLAMESENSEPROBE

LINEHOT

LINENEU120 VAC

THERMOSTAT

HOT LINEVOLTAGE NEUTRAL

COMMON(“C”)W R

LINEVOLTAGE

LOW VOLTAGE

REDUNDANTVALVE

TRANSFORMER24VOLTSAC

60Hz

MAINVALVE

MV

MV

TR

TH

FP

GND

L

IGN

BLACK

SILICON CARBIDEIGNITOR

WH

ITE

BLA

CK

LIM

IT

FLAMESENSORPROBE

Thethermostatcallsforheatandsimultaneouslyener-gizestheDSIcontrolmoduleandgasvalvesolenoid.Sparksattheignitionelectrodesignitethegasatthemainburner.Flameissensedthroughtheelectrodesbytheflamedetectioncircuitandshuts offthesparking.Ifflameisnotestablishedwithinafixedtimeperiod(lock-outtime)mainandredundantvalvesclose,sparkingceasesandthecontrolmodulelocksout.

Accessories:DSIcontrol,Electrodes

MAINVALVE

MV

MV

TR

TH

24V.

GND

REDUNDANTVALVE

THERMOSTAT

SPARKRETURN

DSICONTROL

H.V

.

LEA

D


R-4106C8

SingleStageModel

Electrical Connections

(2) 1/4" Male QuickConnect Terminals ForPower Connections

(1) or (2) Optional 1/4" MaleQuick Connect Terminals

For Ground Connection

Dimensions – Gemini Standard/Slow Open Control

.720

2.108

GAS FLOW

2.400

Outlet1/2"N.P.T.

PlasticPlugs(3)

Inlet1/2"N.P.T.

MountingHoles(2)For#8-32ThreadFormingScrews

1.3431.343

1.250

.542

3.960

.828

2.781

1.339.648

4.260

Switch(ShippedinÒONÓPosition)

2.750SwingRadius

InletPressurePost.339Dia.+DFT.(SetScrew: 3/32"HexHead)Accept5/16"IDHoseConnection

1/4"x.032"THK.MaleSpadeTerminals(2)

ControlLabel

RegulatorCoverScrew(Reg.Adj.BeneathThisScrew)

Vent(.339Dia.+DFT.Post)Accept5/16"HoseConnection

OutletPressurePost.339Dia.+DFT.(SetScrew: 3/32"HexHead)Accept5/16"HoseConnection

1.890

.650

.539

3.168

.650


Schematic Gas Flow Diagram

TwoStageModel

DIAGRAM FOR ILLUSTRATION ONLY, NOT ALL DETAILS ARE INCLUDED

RedundantSolenoid

InletScreen

ControlGasOrifice

OpeningOrificeDiaphragm

OutletScreen

Vent (Leak

Limited)

LoFireRegulatorHiFireRegulator

MainValve

OutletPressureTapRegulator

SelectorValve

Outlet

Inlet

InletPressureTap


R-4106C10

TwoStageModel

Standard Open Control

Thiscontrolhasdualoutletpressurelevels,whichisdesirableforhighefficiencyapplications.Itprovidesafastrisetofirststagepressureuponenergizingthesinglestagesolenoid.Then,ifmorepressurelevelisrequiredtosatisfyheatingrequirement,energizingasecondstagesolenoidcanattainahigherpressurelevel.RegulatorLPspringconversionkitsareavailableforbothpressurelevelsonthiscontrol.

0 1 2 3 4 5 6 7 8 9 10

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

SECONDS

INC

HE

S W

.C.

GEMINI TWO STAGE GAS VALVE

Slow Open Control

Thiscontrolhasdualoutletpressurelevels,whichisdesirableforhighefficiencyapplications.Itprovides aslowerrisetofirststagepressureuponenergizingthesinglestagesolenoid.Ifmorepressureisrequiredtosatisfyheatingrequirement,energizingasecondstagesolenoidcanattainaslowerrisetoahigherpressurelevel.Thisslowerriseconditionisdependentonthesize oforificeused.RegulatorLPspringconversionkitsforbothpressurelevelsareavailableforthiscontrol.

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

SECONDS

INC

HE

SW

.C.

GEMINI TWO STAGE GAS VALVE




TwoStageModel

Electrical Connections

(4) MALE QUICK CONNECT TERMINALS 3-PIN AMP CONNECTOR

(1) OR (2) OPTIONAL 1/4" MALE QUICK CONNECT TERMINALS FOR GROUND CONNECTION

Dimensions

.720

2.108

3.603

.539

.650.633

GAS FLOW

2.364

1.329

1.329

1.250(Octagon)

.544

.828

2.781

1.342

.648

4.239

1.890

.074

InletPressurePostSetScrew: 3/32"HexHead(.339Dia.+DFT.)Accepts5/16"IDHoseConnection

3PinMate-N-LokConnector

3.960InlettoOutletInlet1/2"N.P.T.

OutletPressurePostSetScrew: 3/32"HexHead(.339Dia.+DFT.)Accepts5/16"HoseConnection

2ndStageRegulatorCoverRegulatorAdjustBeneathThisScrew

IstStageRegulatorCoverRegulatorAdjustBeneathThisScrew

(4)QuickDisconnectTerminals

Vent(.330Dia.+DFT.Post)Accepts5/16"HoseConnection

ControlLabel

2.750SwingRadius Switch(ShippedinÒONÓPositon)

Outlet1/2"N.P.T.

ModelsAvailable

OPTIONS FEATURES

BASIC MODEL NUMBER SERIES

TYPE NUMBER CODING

2XX

5XX

6XX

1/2NPT x1/2NPTPressure TapTowers

1/2NPT x1/2NPT1/8NPTPress.Taps

1/2NPT x1/2NPTSideOutlet1/8NPTPress.Taps

Number Pipe Size (inlet x outlet)

PACK OPTION

Blank

B1

P1

Single Pack

Bulk Pack

Pallet Pack

Pack Code Description

36G XX TYPEX XX

ModelNumber

36G22

36G23

36G24

36G29

36G52

36G54

36G55

Notes:A–.019OpeningOrificeB–.006OpeningOrificeC–.008OpeningOrificeD–.012OpeningOrificeE –.0276OpeningOrifice

Fast

Ope

n

Slo

w O

pen

Con

vert

ible

Two

Sta

ge

Not

es

X

X

X

A

B

C

A

D

E

C

X

X

X

X

X

X

X

None

Y

Alpha Numeric

24V50/60HZ

24V50/60HZ

Voltage

Std.Adj.

LimitedMax.Adj.Reg.

Additional Features

VOLTAGE / FEATURE LETTER CODING

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White-Rodgersisadivision ofEmersonElectricCo.

TheEmersonlogoisa trademarkandservicemark ofEmersonElectricCo.

R-4106C1006

36g gas control product information - hvacr …€¦ · 36g gas control product information ......

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