REU-2532FFU Series 59 Rinnai
7. Removal of Thermal Fuse:
CAUTION
120 volt potential exposure. Isolate the appliance and
reconfirm power has been disconnected using a multi-
meter.
This process may involve removing the heat exchanger if
the thermo-fuse on the rear of the heat exchanger is
blown.
a. The REU 2532 has four thermal fuses, see picture
below for location.
b. Disconnect and remove the thermal fuse. Re-install
new thermo fuse using the existing thermo fuse clips.
Reconfirm inlet and manifold gas pressures are set to
the proper setting. Ensure unit matches gas type being
supplied to the heater.
Thermal fuse assembly, one
located on the front of the
heat exchanger and one on
the rear of this assembly
.