1104UESAGBEN, page 27/31
11.2.6 Venter motor & wheel
Remove dirt and grease from the motor casing, the venter housing, and the venter
wheel. Venter motor bearings are permanently lubricated. Check for corrosion.
Follow these instructions for replacement of the venter motor and wheel assembly.
Keep all hardware removed to be used in reassembling and installing the replace-
ment parts.
1. Turn off the gas and disconnect the electric power.
2. Open the control compartment access door.
3. Disconnect the three venter motor wires at the control relay and ground screw
(located on the control panel).
4. Holding the motor, remove the screws that attach the motor plate to the venter
housing. Remove the motor and wheel assembly from the heater.
5. Reassemble with the replacement venter motor and wheel assembly.
6. Follow the wiring diagram to properly connect the wires.
7. Restore power to the heater and turn on the gas. Light, following the instructions
on the lighting instruction plate. Check for proper operation. Replace the access
door.
Figure 25
UESA 035 - 102
11.2.7 Flue and combustion air piping
11.2.8 Condensate drain system
Check the complete system at least once a year. Inspection should include all
joints, seams, concentric adapters and the
fl
ue terminal cap. Replace any defec-
tive or heavily corroded parts.
Check the condensate disposal system anually. Remove the condensate traps
and
fl
ush them with clear water to remove any deposit. Check the piping to the
sanitary drain has not been damaged. Verify if sanitary drain is not obstructed.
The integrated control relay monitors the operation of the heater. If the heater fails
to operate properly, review the
fl
ow chart. The general troubleshooting charts on
the following pages will also help you to determine the problem.
11.3 Trouble-
shooting
