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Fan Only Replacement:
1. Unplug the power or turn off the electrical breaker for the unit.
2. Follow steps 1-4 in R
EMOVING VALVE COVER - MAINTENANCE AND SERVICE.
3. The fan hangs on a grommet at either end of the mounting bracket (see Figure 47), lift the fan
assembly up and off the grommets.
4. Slide the fan forward, mark the three (3) connectors on the fan motor so they can be reconnected
correctly. Remove the female spade connectors from the motor. Pull the old fan out the valve cover
opening.
5. Use a at head screwdriver or ” socket to remove the four (4) screws on the back of the mounting
bracket holding the old fan onto the bracket.
6. Install the mounting bracket onto the new fan.
7. Place the new fan into the valve cover opening and install the fan by reversing steps 1-4.
GAS LINE CONNECTION:
• If the factory-built replace has no gas access hole(s) provided, an access hole of 1.5 in (37.5mm) or
less may be drilled through the lower sides or bottom of the rebox in a proper workmanship like manner.
This access hole must be plugged with non-combustible insulation after the gas supply line has been
installed.”
Warning: Only persons licensed to work with gas piping may
make the necessary gas connections to this appliance.
Gas Line Connection:
• A ” NPT male pipe will have to be turned into the ” NPT
female elbow at the lower right side rear of this replace (see
Figure 50). Consult the local authorities for local codes or use the
CAN/CGA B149 (1 or 2) installation code in Canada. In the US, gas
installations follow either local codes or the current edition of the
National Fuel Gas Code ANSI Z223.1.
• The efciency of this unit is a product thermal efciency rating
determined under continuous operating conditions and was
determined independently of any installed system.
Figure 48: Fan in Position
Initial Installation
QUALIFIED INSTALLERS ONLY
3
/
8
” NPT
Female Elbow
3
/
8
” NPT
Male Pipe
Thermocouple
Pilot Line
Figure 50: ” NPT female elbow.
Figure 49: Removing the Fan.