19
CARE AND MAINTENANCE
CASSETTE TYPE
1. Open the air-in grill
Push the grill switches towards the middle
simultaneously as indicated in Pic. A. Then pull
down the air-in grill.
Cautions: The control box cables, which are
originally connected with the main body electrical
terminals must be pulled off before doing as
indicated above.
2. Take out the air-in grill (together with the air
filter shown in Pic. 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).
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