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Rinnai Corporation EX17C / EX22C Manual 33
Ladder Diagram
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
FCC FAN CONTROL CIRCUIT
MB MAIN BURNER
PS PRESSURE SENSOR CPU CENTRAL PROCESSING
UNIT
CF CONVECTION FAN