Be sure that correct part number resilient mounts are ordered and installed properly. The two mounts
on the motor end are different than those on the fan end.
(1) If the resilient mounts were removed, see note above and install new mounts.
(2) Align the pins in the flanges with the holes in the housing and attach the flanges to the base with four
screws and locknuts.
(3) Slip the shaft extension on to the motor shaft and tighten the set screw.
(4) Slip the inlet ring on to the fan shaft before mounting the fan.
(5) Slip the fan onto the shaft extension. The hub should be turned so that it is mounted toward the motor.
The direction of rotation is counter clockwise facing the motor shaft.
(6) Carefully slip the fan and motor assembly in place.
(7) Attach the motor to the base with four cap screws and lock washers.
(8) Attach the two inlets to the flanges with eight washers and lock nuts.
(9) Place the fan and motor assembly in the unit and install the four cap screws and lock washers to
secure the base to the resilient mounts.
(10) Install the fan brackets and straps on the outlet side of the fan housing.
(11) Slip the temperature switch remote bulb into the clamps from the fan strap and tighten the clamps.
(12) Connect the P3 motor connector.
(13) Check that drain tubes have not been disconnected.
(14) Install the return air louver assembly.
(15) Connect power at power source.
The heater thermostat S6 mounts on the forward inside surface of the top center cover. (See figure 4-33.)
Disconnect input power from the air conditioner before performing maintenance on any part of the
electrical system. The voltages used can be lethal.
(1) Disconnect power at the power source.
(2) Remove the top front cover.
(3) Remove two screws and slip the heater thermostat and bracket forward.