121
Service and Maintenance
ACK-E-2009
Service and Maintenance
Warning
Disconnect from main supply before servicing the air conditioner.
The unit is designed to give long life operation with minimum maintenance required. However, it should be regularly
checked and the following items should be given due attention.
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•
Components
Maintenance Procedures
Period
Air Filter
(Indoor Unit)
1. Remove any dust adhering to the
fi
lter by using a vacuum
cleaner or wash in lukewarm water (below 40°C) with a
neutral cleaning detergent.
2. Rinse the
fi
lter well and dry before placing it back onto the
unit.
3. Note: Never use gasoline, volatile substances or
chemicals to clean the
fi
lter.
At least once every 2 weeks.
More frequently if necessary.
Indoor Unit
1. Clean any dirt or dust on the grille or panel by wiping it
with a soft cloth soaked in lukewarm water (below 40°C)
and a neutral detergent solution.
2. Note: Never use gasoline, volatile substances or
chemicals to clean the indoor unit.
At least once every 2 weeks.
More frequently if necessary.
Condense Drain
Pan & Pipe
1. Check the cleanliness and clean it if necessary.
2. Check the condensate water
fl
ow.
Every 3 months.
Indoor Fan
Check if there is any abnormal noise.
If necessary.
Indoor / Outdoor
Coil
1. Check and remove the dirt between the
fi
ns.
2. Check and remove any obstacles which hinder air
fl
ow
through the indoor or outdoor.
Every month.
Power Supply
1. Check the running current and voltage for indoor and
outdoor unit.
2. Check the electrical wiring and tighten the wire onto the
terminal block if necessary.
Every 2 months.
Every year.
Compressor
No maintenance needed if refrigerant circuit remains sealed.
However, check for refrigerant leak at joint and
fi
tting.
Every 6 months.
Compressor Oil
Oil is factory charged. Not necessary to add oil if circuit
remains sealed.
No maintenance required.
Fan Motor Oil
All motors are pre-lubricated and sealed at factory.
No maintenance required.
Pre Start Up Maintenance
(After Extended Shutdown)
Inspect thoroughly and clean indoor and outdoor units.
Clean or replace air
fi
lters.
Clean condensates drain line.
Clean clogged indoor and outdoor coils.
Check fan imbalance before operation.
Tighten all wiring connections and panels.
Check for refrigerant leakage.
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12_Service and Maintenance_A.ind121 121
4/6/2009 11:16:34 AM
4/6/2009 11:16:34 AM
