Carrier 52C FAN Motor Replacement, Location of Wiring Schematic On Front Panel of Control BOX

FAN MOTOR REPLACEMENT

1.DISCONNECT ALL POWER TO UNIT.

2.Remove the unit from the sleeve as detailed in the UNIT DISASSEMBLY section and place the unit on a large flat surface.

3.Remove the discharge deck and grille as detailed in Remove the Discharge Deck Assembly section.

4.Remove heater plate assembly as detailed in Accessing the Heater Assembly section. The blower wheel should now be accessible.

Safety glasses should be worn to protect eyes in the event the spring clip breaks free from pliers.

5.Using adjustable pliers, carefully remove the

5/32-in. Allen clip that secures the blower wheel to the fan shaft. Remove the blower wheel.

6.Open the Control box as described in the UNIT DISASSEMBLY section, Open the Control Box. Disconnect the fan motor wires from the rotary switch and capacitor. All units are equipped with two-speed motors, which have

2 wires on the capacitor and 2 wires on the rotary switch. Refer to the unit wiring schematic which is attached to the front panel of the control box.

See Figure 58.

7.Carefully pull fan motor leads through the parti- tion hole, located in the back of the control box.

8.Remove the top gussets, as detailed in Remove the Gussets section.

9.Remove the top half of the condenser orifice as detailed in Detach the Condenser Orifice From the Condenser Coil section.

10.Using a Phillips head screwdriver, remove the fan motor shield. The fan motor mounting screws should now be accessible. Remove the 3 mounting screws that secure the fan motor to the motor mount and remove the fan motor from the unit.

11.Using needle nose pliers, remove condenser fan hub clamp. Slide condenser fan off fan motor shaft.

12.Re-install the new fan motor by reversing Steps 1 through 11.

POWER	WIRING
CORD	SCHEMATIC

FIGURE 58 — LOCATION OF WIRING SCHEMATIC

ON FRONT PANEL OF CONTROL BOX

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