Electronic Controller; Replacement Parts Procedure - OCEANAIRE OWC Series Engineering, Installation And Service Manual

REPLACEMENT PARTS PROCEDURE

IT IS RECOMMENDED THAT ALL OCEANAIRE UNITS
WARNING
—TO AVOID INJURY, DISCONNECT UNIT POWER PRIOR TO SERVICING
A. FAN MOTOR
1. Remove cabinet left-side panel (when looking at the front of the unit).
2. Evaporator fan motor—disconnect evaporator motor wires from evaporator fan
capacitor and power module.
For all model sizes 12, 18, 24, and 36
3.
to blower housing (all screws are external and visible), and remove blower
motor assembly. Remove the blower wheel set screw and disassemble the blower wheel
from the motor shaft and remove the motor.
For model size 60
securing the motor mount to the blower housing and remove motor and mount. Remove
the motor from the motor mount.
4. Install the new motor, reversing the removal procedure.
B. ELECTRONIC CONTROLLER (THERMOSTAT)
To replace cooling thermostat, remove left side panel to access controller assembly.
Using a 5/16" nut driver, remove (2) nuts on threaded studs, unplug the display cable, and
lift up to remove the controller. Plug display cable in the new controller, and secure in
place.
C. POWER MODULE
To remove the power module, remove the rear control box cover. Disconnect wires
(one at a time), and re-attach each wire, while holding replacement module in other
hand. Once all wires have been reconnected in accordance with the wiring diagram,
install new power module.
D. CONDENSATE PUMP
1. Remove left side panel.
2. Remove brackets securing condensate pump in base pan.
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 cabinets right side panel, or right rear side panel of Model 60.
2. Remove flare nut that secures capillary to the
refrigeration system high pressure side. A schrader valve
is located in the discharge port which allows removal
without losing the refrigerant charge.
3. Remove two screws that secure high pressure switch.
4. Pin Connectors:
a. If existing switch has 2 pin connector,
remove old switch and plug n' play new switch.
b. If existing switch does not have 2-pin connector,
connect female harness and splice on blue leads with
control circuit wires..
5. Install new High Pressure Switch, and reverse steps in order to complete the procedure.
To gain access to compressor and compressor run capacitor, remove left hand side panel.
BE SERVICED BY A LICENSED TECHNICIAN
, remove the screws securing motor and inlet-ring
—loosen blower wheel shaft set screw, and remove the screws
18
wheel-