Bradford White IGI-180R-10N - Manual (Page 49)

IMPORTANT
When dismantling the unit you should always isolate
the following items:
• Gas supply
• Electrical supply
• Water supply
• Drain all water from the appliance
The following diagram will be of assistance in
locating the above.
IGI – 1. Removal of the Front Panel
CAUTION
120 volt potential exposure. Isolate the appliance and
reconfirm power has been disconnected using a multi-
meter.
a. Remove the four (4) screws holding the
panel in place with a Phillips driver.
IGI – 2. Removal of PC board
CAUTION
120 volt potential exposure. Isolate the appliance and
reconfirm power has been disconnected using a multi-
meter.
a. Remove the two (2) screws holding the PCB in
place with a Phillips screw driver, then pull the
PC board out of the appliance.
Disconnect all connectors.
IGI – 3. Removal of the Water Flow Sensor and
Water Flow Control Valve Assembly
CAUTION
120 volt potential exposure. Isolate the appliance and
reconfirm power has been disconnected using a multi-
meter.
a. Remove one (1) Phillips screw from the heat
exchanger water supply line and (1) screw from
the bypass valve assembly. Lift the water line
retainer up and over the housing it attaches
to, pull water line towards yourself to
disconnect water lines from the assembly.
Inspect o-rings for damage, replace if
defective.
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