Wiring Diagram; Block Diagram - Rinnai RHFE-557FT Manual

WIRING DIAGRAM
BLOCK DIAGRAM
MARK ]
PART NAME
THERMAL FUSE
CONVECTION FAN
TRANSFORMER
----_--
TERMINAL BLOCK
OVER HEAT THERMISTOR
SWITCH
FM
t-4
FAN MOTOR
--- -.-. -
BL COMBUSTION FAN MOTOR
I
CPU
I I I I I _