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WARNING
DO NOT USE COMMERCIAL GRADE COIL CLEANERS.
SOME OF THESE CLEANERS MAY CONTAIN ETHYLENE
DIAMINE TETRACETIC ACID (EDTA) WHICH CAN SHORTEN
THE LIFE OF THE CONDENSER COIL.
WARNING
HIGH PRESSURE AND HIGH TEMPERATURE CLEANING IS
NOT RECOMMENDED.
DOING SO COULD DAMAGE THE ALUMINUM FIN STOCK
AND ELECTRICAL COMPONENTS.
Base pan and Condenser coil
Before cleaning the base pan and condenser coil, turn
OFF unit mode switch and disconnect power to the unit.
To disconnect power, either unplug the power cord at the
wall outlet or subbase, or disconnect power at the fuse box
or circuit breaker.
1. Create a water tight seal by tightly covering the entire
control panel area and fan motor with plastic. Creating this
seal prevents water from entering the control area or the
fan motor and damaging the unit.
2. Spray condenser coil and base pan down with water.
Next spray a mild biodegradable detergent onto the
condenser coil and base pan. Let set for five (5) minutes.
3. Rinse condenser coil and base pan with water again.
NOTE: Ensure water pressure is no higher than that of
an ordinary garden hose and the water temperature no
higher than 120 °F.
4. Tilt the non-compressor side of the unit up no higher
than 45° and allow water to drain out the other side of the
unit.
5. Remove excess water left in the base pan by wiping the
base pan with a dry cloth.
6. Remove the water-tight seal from the motor and
control panel area.
7. Reinstall unit back into wall sleeve.
8. Allow unit to dry for 24 hours before reapplying power.
When power is reapplied, test unit for proper operation.
9. Place a non-acidic algaecide in the base pan to inhibit
bacteria growth. Ensure the algaecide is compatible with
wet coil operation and is not corrosive to the coil.
Clearance Check
Clearances around the unit should also be checked to
make sure that the intake air and discharge air paths
have not become blocked or restricted. A minimum of
eight inches clearance is needed from unit to furniture,
beds, or other objects for proper operation. Restricted
discharge or intake air will reduce the unit's operational
performance. In severe airflow restrictions damage can
occur to unit components such as the compressor,
electric heater or fan motor.
NORMAL OPERATING SOUNDS
AND CONDITIONS
Water trickling sounds
Water is picked up and distributed over the coil. This
improves the efficiency and helps with water removal.
Water dripping
Water will collect in the base pan during high humidity
days. This can cause overflow and drip from the outside
of the unit.
Air sounds
The fan cycle switch sets the operational mode of the
fan. In the ON position, the fan will run continuously
whenever power is applied in this mode. In the AUTO
position, the fan will cycle on and off with the
compressor or electric heater.
Starting delay
You may notice a few minutes delay in starting if you try
to restart the unit too soon after turning it off or if you
adjust the thermostat right after the compressor has shut
off. This is due to a built-in delay to protect the
compressor.
Buzzer Response
The buzzer will chime “Di” (0.1 sec) in response when
receiving the effective order from key pad control and
remote control.
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