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Checks before operation
CAUTIONS
Check that the wiring is not broken off or disconnected.
Check that the air filter is installed. (Some air-conditioners haven't air filters.)
Check that the outdoor unit air outlet or inlet is not blocked.
Before you clean the air conditioner, be sure to disconnect the power supply plug.
Cleaning the air filter
The air filter can prevent the dust or other particulate from going inside .In case of blockage of the filter , the
working efficiency of the air conditioner may greatly decrease .Therefore , the filter must be cleaned once two
weeks during long time usage.
If the air conditioner is positioned in a dust place , the cleaning frequency of the air filter must be increased .
If the accumulated dust is too heavy to be cleaned , please replace the filter with a new one(replaceable air
filter is an optional fitting).
Cassette Type
1. Open the air-in grill
Press the couple of grill's buttons simultaneously
Cautions:
The control box cables ,which are originally connected with the main body electrical terminators
must be pulled off before doing as indicated above.
2. Take out the air-in grill (together with the air filter shown in Sketch B)
Pull the air-in grill down at 45 and lift it up to take out the grill.
3. Dismantle the air filter
4. Clean the air filter(Vacuum cleaner or pure water may be used to clean the air filter. If the dust
accumulation is too heavy , please use soft brush and mild detergent to clean it and dry out in cool
place) .
as indicated in sketch A. Then pull down the air-in grill.
A
o
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B
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