Rheem RTGH-RH10DV - Chapter 2 Components Description

21
Model NGTH-9700C
:CircuitBoard
CheckPoint
(CircuitBoard)
N/A
Function
Thepartforcontrollingallcomponentscontainedinthewaterheater.
FailureEvent
AbnormalCircuitBoardoperation.
E󰘯ects
Allthefeaturesoftheproductwillnotworkwhenthecircuitboardisdamagedorbroken.
ErrorCode
Er73,Er76,Er78
Diagnostic
ReplacetheCircuitBoard.
Color/WireNumber
N/A
Chapter2ComponentsDescription
CONNECTOR
DESCRIPTION HT SELV
NO. OF LOCATION PIN BOARD SILK
CN3
SMW250-06
1
OPB Optional Push Button
SELV(5V)2
3 Unused
4
FLUX1
VCC
SELV (5V)
5 Water Flow Sensor
6 GND
CN5
SMW250-10
1
RPM
Fan RPM Check
2 GND