LAARS IGI-180C-5(N,X) - Service Manual - Manual (Page 53)

53
IGI – 11. 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. (Service Procedure IGI - 10, see page 52)
a. The unit 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.