Components Maintenance Procedures Recommended Schedule
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.
Air Filter
(Indoor Unit)
1. Remove any dust adhering to the filter by using a
vacuum cleaner or wash in lukewarm water
(below 40˚C) with a neutral cleaning detergent.
2. Rinse the filter well and dry before placing it back
onto the unit.
3. Note: Never use gasoline, volatile substances
or chemicals to clean the filter.
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.
1. Check the cleanliness and clean it if necessary.
2. Check the condensate water flow.
1. Check and remove the dirt between the fins.
2. Check and remove any obstacles which hinder air
flow through the indoor or outdoor.
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.
At least once every 2 weeks.
More frequently if necessary.
Indoor Unit
At least once every 2 weeks.
More frequently if necessary.
Condense
Drain Pan & Pipe
Every 3 months.
Indoor Fan
Check if there is any abnormal noise.
If necessary.
Indoor / Outdoor
Coil
Every month.
Power Supply
Every 2 months.
Every year.
Compressor No maintenance needed if refrigerant circuit Every 6 months.
remains sealed. However, check for refrigerant
leak at joint and fitting.
Compressor Oil Oil is factory charged. Not necessary to add oil if No maintenance required.
circuit remains sealed.
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 filters.
- 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.