Page 21
Fig.G1
Fig.G2
Fig.G3
Fig.G4
DUCT TYPE
1. For rear ventilated units, please remove the screws
(2 pieces) fixed on the filter and take down the
filter away from the unit. See Fig. G1.
2. For downward ventilated units, please push the filter
up slightly to let the position retainer escape away from
the flange fixed holes, and take off the filter according
to the arrow direction shows in Fig. G2.
3. Clean the air filter. A 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.
4. The air-in side should face up when using vacuum
cleaner. (See Fig. G3.)
The air-in side should face down when using water.
(See Fig. G4.)
Care & Maintenance (continued)