Rheem RTGH-RH11DV - Page 33

33
Model
KBP-126H : Fan
CheckPoint
(CircuitBoard)
CN4
Function
The part for supplying the air and gas into the burner required for the combustion.
FailureEvent
① Abnormal noise occurs at the fan.
② Abnormal fan speed(RPM).
③ Poor connection.
E󰘯ects
① Abnormal combustion.
② Abnormal noise occurs.
③ Improper or no operation of water heater.
ErrorCode
Er 41, Er 61
Diagnostic
① Check the clogging of the vents.
② Check status of the connection.
③ Check range of voltage.
Color/WireNumber
[BLDCFAN]
FanStartCoil(white)ⓔ:connector④
RPMSensor(yellow)ⓓ:connector
⑥
GND(blue)ⓒ:connector②
VDD(red)ⓑ:connector③
FanEndCoil(black)ⓐ:connector
⑤
1.RatedSpeci󰘰cations
-Motortype:DCBRUSHLESSMOTOR
-RatedVoltage:Vs=28V/Vc=DC12V
-WorkingVoltage:Vs=DC28V/Vc=DC12V
-RatedCurrent:2A
-SpeedControl:PWM
ⓐ ⓑ ⓒ ⓓ ⓔ
① ② ③
④ ⑤ ⑥
Chapter2ComponentsDescription