Ladder Diagram - Rinnai RHFE-551FA Service Manual

Ladder Diagram

22 Rinnai Direct Vent Service Manual
MARK PARTS NAME
MS Main switch
R, TH Thermistor
TF Thermal fuse
F Fuse
ER Electrode
POV Modulating
solenoid valve
TR Transformer
FR Flame rod
PS Pressure sensor
CF Convection Fan
RHFE-202FTA
RHFE-265FTA
CODE COLOR
bk black
bl blue
gr green
gr/y green/yellow
r red
w white
y yellow
gy gray
or orange
pk pink
br brown
lb light blue
MARK PARTS NAME
OH, Over heat
TH thermistor
OHS1, Over heat switch
2 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
CPU Central
processing unit