Ocean Aire CAC series Engineering, Installation And Service Manual - page 23
REPLACEMENT PROCEDURE FOR PARTS
IT IS RECOMMENDED THAT ALL OCEANAIRE UNITS BE SERVICED BY A
LICENSED TECHNICIAN
WARNING—TO AVOID INJURY, DISCONNECT UNIT POWER PRIOR TO SERVICING
WARNING—HAZARDOUS MOVING PARTS
DO NOT OPERATE UNIT WITH PANELS REMOVED
A. FAN MOTORS
1. Remove cabinet's left-side panel (when looking at the front of the unit).
2. Evaporator fan motor—disconnect evaporator motor wires from evaporator fan
Motor leads on the power module (Fan L-1, Fan L-2). Condenser fan motor—
disconnect condenser motor leads from power module (Pump L-1, Pump L-2).
Remove the wire leads from the wire races accordingly, buy cutting the wire ties.
3. Remove the screws securing motors and inlet-ring to blower housings (all screws are
external and visible), and remove blower wheel-motor assembly. Remove the blower
wheel set screw and disassemble the blower wheel from the motor shaft and remove
the motor.
4. Install the new motor, reversing the removal procedure.
5. Re-secure all wires to the existing wire races with wire ties, making sure that all wires
are secured from motion near moving parts.
B. ELECTRONIC CONTROLLER (2 PARTS)
1. To remove the Cooling Only display, locate the two screws securing the display to the
front panel. Once the display is removed, unplug the display cable and remove the
display. Install new display by plugging in the display cable and securing the display
on to the cabinet front.
2. To remove the Power Module, remove the left side panel. Disconnect wires leads and
cable connections going to the Power Module, and remove power module. Install new
power module, and re-wire in accordance with the wiring diagram.
5. CONDENSATE PUMP (ON UNITS WITH CONDENSATE PUMP KITS, INSTALLED)
1. Remove the left side panel.
2. Remove bracket screws, securing condensate pump to the tank tray
3. Disconnect pump wire leads at Molex connectors. Remove retainer clamp and tubing.
4. Replace pump, install by reversing procedure.
E. HIGH PRESSURE SAFETY SWITCH
1. Remove the left side panel.
2. Remove flare nut that secures capillary to the refrigeration system high pressure side.
NOTE—A Schrader valve is located in the discharge port, and allows removal without
losing the refrigerant charge.
3. Remove two screws that secure the high pressure switch to the back panel.
4. Cut the wire leads at a place approximately 6 inches from the switch.
5. Install new High Pressure Control, and splice the wire leads from the switch to the
existing low-voltage wires.
To gain access to compressor and compressor run capacitor, remove top-right side
panel.
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