Owner`s manual

7
6. MAINTENANCE
CAUTION
METHOD FOR CLEANINGTHE AIR FILTER
CAUTION
The air filter can prevent the dust or other particles
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 using. 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(the
replaceable air filter is an optional fitting).
1.Take out the air-in grill Four-Way Cassette Type
Push the grill switches towards the middle
simultaneously as indicated in sketch
A. Then pull down the air-in grill. 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.
The control box cables, which are originally
connected with the main body electrical terminators
must be pulled off before doing as indicated above.
Only the specialized maintenance person can
perform the maintenance work.
The main power switch must be turned off before
doing electrical connection or cleaning the air filter.
Do not use water or air of temperature above 50 to
clean the air filter or the panel.
FOR DUCT/CEILINGTYPE
Push the grill switches to the arrow directions, then
open the air-in grill downwards. Turn back the air
filter fixing block,then take out the air-in grill.
Dismantle the air filter:
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 the cool
place).
The air-in side should face up when using vacuum
cleaner.
The air-in side should face down when using water.
Do not dry out the air filter under direct sunshine or
with fire.
For the one-way cassette type, the air filter should
be installed before the unit body installation.
Re-install the air filter.
5. Install and close the air-in grill in the reverse
orders of step 1 and 2 and connect the control box
cables to the corresponding terminators of the main
body.
MAINTENANCE
CAUTION
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EN
Owner's manual
A
B