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32 Rinnai Corporation EX17C / EX22C Manual
Wiring Diagram
If any of the original wire as supplied with the
appliance must be replaced, it must be replaced with
type 18 AWG wire or its equivalent.
Label all wires prior to disconnection when
servicing controls. Wiring errors can cause
improper and dangerous operation.
CAUTION
CODE COLOR
bk black
bl blue
gr green
gr/y green/yellow
r red
w white
y yellow
gy gray
or orange
br brown
MARK PART NAME
MS MAIN SWITCH
R.TH THERMISTOR
TF THERMAL FUSE
F FUSE
ER ELECTRODE
POV MODULATING SOLENOID
VALVE
TR TRANSFORMER
FR FLAME ROD
MARK PART NAME
OH.TH OVER HEAT THERMISTOR
OHS1, 2 OVER HEAT SWITCH 1, 2
FM CONVECTION FAN MOTOR
SP SPARKER
SV1, 2 MAIN SOLENOID VALVE 1, 2
BL COMBUSTION FAN MOTOR
PS PRESSURE SENSOR
w
bk