Acson international A4LC 20B, Manual

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57
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.
Components Maintenance Procedure Recommended Schedule
Air filter
(Indoor Unit)
1. Remove the ionizer filter before cleaning the filter.
2. Remove the dust adhering on the filter by using a
vacuum cleaner or wash using water less than 40°C
with a neutral cleaning detergent.
3. Rinse and dry it before fitting back the ionizer filter
and set it back to unit.
4. Note : Never use petrol, thinner, benzene or any
other chemicals.
At least once a month.
Indoor unit 1. Clean away dirt or dust on grille or panel by wiping
with a soft cloth soaked in lukewarm (or cool) water or
neutral detergent solution.
2. Note : Never use petrol, thinner, benzene or other
volatile chemicals, which may cause plastic
surface to deform.
At least once a month.
Condense Drain
Pan & Pipe
1. Check the cleanliness and clean it if necessary.
2. Check the condensate water flow 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 fins.
2. Check and remove any obstacles which hinder air
flow 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 fitting.
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.
18. SERVICE AND MAINTENANCE