Rheem RTGH-RH11DV - Page 27

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Model T405-158R:FlowControlValve
CheckPoint
(CircuitBoard)
CN14
Function
Thepartcontrollingthewaterquantityforsupplyingthestablehotwaterbydetectingthe
water󰘱owrate(Morethan0.5gallon)inthepipes.
FailureEvent
Water󰘱owrateisnotdetectedandwaterleakageoccursaroundthe󰘱owsensor.
E󰘯ects
①Ignitionsequencedoesnotstart.
②Operationofproductisstoppedoncedetectingwaterleakage.
ErrorCode
Er65
Diagnostic
①Restarttheproduct
②Checktheconnectionaroundthe󰘱owsensor.
Color/WireNumber
[IWM(InletWaterModulation)]
GND(yellow):connector①
IWMSteppermotorposition(green):connector②
VDD(white):connector③
IWMSteppermotorcoilXphase(red):connector④
IWMSteppermotorcoilYphase(black):connector⑤
VDD(blue):connector⑥
IWMSteppermotorcoil/Xphase(orange):connector⑦
IWMSteppermotorcoil/Yphase(brown):connector⑧
1.PPSmaterialBody
2.HallsensorratedvoltageDC5~18V8mA.Max
■MinimumFlowRate:
ON:0.47gal(1.8lpm),OFF:0.39gal(1.5lpm)
■MaximumOperatingFlowRate:11.1gal(42lpm)
①②③④ ⑤⑥⑦⑧
Chapter2ComponentsDescription
①②③④ ⑤⑥⑦⑧⑨