Rheem RTGH-RH11DV - Page 31

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Model AGM:AirGasMixer
CheckPoint
(CircuitBoard)
CN12
Function
Thepartforsupplyingideallytheairandgasmixturetotheheatexchanger.
FailureEvent
①Imperfectcombustionoccurs.
②lifting󰘱ameoccurs.
E󰘯ects
①Abnormalproductoperation.
②Carbonmonoxideexceedingthereferenceisdischarged.
ErrorCode
Er 67
Diagnostic
①Restartthewaterheater.
②Checktheconnection.
③Checkthefanintake.
Color/WireNumber
AirGasMixer(black):①connector(AGM/YPhase)
AirGasMixer(brown):②connector(AGMYPhase)
AirGasMixer(red):③connector(AGM/XPhase)
AirGasMixer(orange):④connector(AGMXPhase)
AirGasMixer(yellow):⑤connector(GND)
AirGasMixer(green):⑥connector(AGMPositionSensor)
AirGasMixer(white):⑦connector(DC24V)
1.OperatingTemperature:0~60℃
2.Usingthegaspressure:0.725PSI(5kPa)
3.Maximumamountofgas:194ft
3
/hr(5.5m
3
/hr)(NG)
4.T/D(Turn/Downratio):10:1(180,000Btu),11:1(199,000Btu)
5.MotorSpeci󰘰cation
-Type:SteppingMotor
-Phase:4Phase
-Drivetype:UnipolarDrive/V-Constant
-SupplyPower:<24VDC(Non-continuousoperation)
-Phaseexcitationsystem:2-2
-Stepangle:7.5deg(2-2Phase),(1-2Phase:3.75deg)
-Directionofrotation:CW/CCW(Bidirectional)
-Reductionratio:1/60
①②③④ ⑤⑥⑦
Chapter2ComponentsDescription