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City Series CV72EPV
maintenance
End of Line Power Vent Maintenance
External Power Vent Access
1. Remove 4 screws located around inner trim (Diagram 1).
2. Loosen 4 screws (Diagram 2) and slide shield up and out. Once access
has been made into power vent housing, you can remove the pressure
switch and fan motor.
3. Remove the pressure switch by disconnecting red and blue wires from
pressure switch (Diagram 3) Disconnect Hose from underside of pressure
switch (Diagram 4)
4. Loosen (1) one Phillips head screw securing the pressure switch to the power
vent housing (Diagram 5) once the pressure switch is free from the Housing
unit, it is possible to replace the pressure switch by removing (1) one Phillips
head screw holding the pressure switch to mounting bracket (Diagram 6).
Replacing the power vent motor:
1. Turn off power supply.
2. Loosen 6 x 1/4” hex screws slightly.
3. Turn power vent motor counter clockwise and lift out (Diagram 7).
4. Disconnect power to the motor by disconnecting black and black wire and white
and black wire (Diagram 8). The power vent motor is now free from the unit.
5. Loosen 4 screws and slide shield up and out (Diagram 2). Once access to
the power vent housing is achieved, you can remove the pressure switch
and fan motor.
6. Remove the pressure switch by disconnecting the red and blue wires from
the pressure switch (Diagram 3)
7. Disconnect the hose from the underside of the pressure switch (Diagram 4).
Loosen one Phillips head screw holding the pressure switch to the power
vent housing (Diagram 5). Once the pressure switch is free from the hous-
ing it Is possible to replace the pressure switch by removing one Phillips
head screw holding the pressure switch to mounting bracket. (Diagram 6)
8. To replace the power vent motor, first turn off the power supply, then slightly
loosen 6 x 1/4” hex screws. Turn the power vent motor counter clockwise
and pull it out (Diagram 7).
9. Disconnect the power to the motor by disconnecting the black and black wire
and the white and black wire (Diagram 8). The power vent motor is now free.
Diagram 1
Diagram 2
Diagram 7
Diagram 3
Diagram 4
Diagram 5
Diagram 6
Diagram 8
Summary of Contents for City CV72E Series
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