Removal Of Heat Exchanger - Rinnai INFINITY 26i Service Manual

17) Removal of Heat Exchanger

a. Remove PCB
b. Remove fan motor
c. Remove 2 pin connector of thermal fuse
d. Remove flame rod terminal of high tension cord
e. Remove anti frost heater switch
f. Remove 2 pin connector
g. Remove 3 pin connector
h. Remove back pressure tube
i. Remove air intake.
j. Remove fixing screw
k. Remove fixing screws of the heat exchanger unit
l. Remove heat exchanger screws
Infinity REU-V2632FFU / HD200I REU-V2632FFUC
Infinity 26i and HD50i
m. Remove Bypass tube
n. Pull out heat exchanger screws
o. Remove manifold and burner unit.
p. Remove thermal fuse, over heat switch, sparker,
hex thermister and back pressure joint.
- 48 - Issue 1 - 8/09/03 ©Rinnai