Rinnai Continuum REU2532-W Series, Service Manual

Page: 56 / 72

REU-2532W Series 56 Rinnai
Water filter housing.
Sparker module.
Outlet water thermistor.
Remove combustion
fan motor housing,
(2) screws
screws.
a. Remove the four (4) Phillips screws that secure the
water inlet filter housing to the unit. See picture
below for location of screws. Once screws are
removed reach into the unit and pull up and out on the
flow control assembly to remove it from the
appliance. Inspect o-ring for damage.
b.
Disconnect wiring harness from assembly and remove
the water flow control assembly from the unit.
4. Removal of Sparker Module:
CAUTION
120 volt potential exposure. Isolate the appliance and
reconfirm power has been disconnected using a multi-
meter.
a.
Remove one (1) Phillips screw that secures the
sparker module to the unit casing.
b.
Disconnect high tension lead and connector.
5. Removal of the Combustion Fan:
CAUTION
120 volt potential exposure. Isolate the appliance and
reconfirm power has been disconnected using a multi-
meter.
a. Disconnect wiring harness from fan motor.
b.
Remove the (2) Phillips screws that secure the
combustion fan motor to the fan housing. Pull the fan
motor assembly towards yourself to remove it.
6. Removal of the Water Temperature Thermistor:
CAUTION
120 volt potential exposure. Isolate the appliance and
reconfirm power has been disconnected using a multi-
meter.
a.
Remove the two (2) Phillips screws that secure
the thermistor in place to remove the water outlet
temperature thermistor.