5. Service and maintenance
19
5 -1 Confirmation before operation
1) Confirm whether the grounding line is broken or shedding.
2) Confirm whether the air dust filter is mounted.
3) Turn on the power switch 12 hours before running.
5-2 Maintenance instructions
Before the repair and maintenance, the air conditioner must be shut down with the power plug
disconnected.
Note:
1) Never insolate the air filter in the sun or bake it beside the fire, or use hot water (40˚C above) for
cleaning in order to avoid deformation.
2) If the air filter is clogged by dust or other substances, the cooling / heating capacity may drop,
while the running noise and power consumption may increase, so the air filter should be regularly
cleaned every two weeks (as regulated).
5-2-1 Cleaning instructions
1) Disconnect the air conditioner power before cleaning.
2) Use soft cloth to wipe off the dust on the air conditioner.
3) Never clean the air conditioner with the volatile oil, gasoline, diluent or putty powder.
4) Please use household neutral detergent to clean the fingerprints or oil dirts.
5) Never flush with water.
1. Filter cleaning
Gently pat or use a vacuum cleaner for cleaning. If the filter is seriously contaminated, clean it with
water containing a small amount of neutral detergent and remount it after cleaned and dried.
2 Filter detachment
a. Wall-mounted air conditioner
Gently press the air return grille lower ends, and pull it sideway
towards you until you can feel the resistance; after the grille is
opened, push it downward, then press its lower ends, and it
can be closed. Seize the grille switch and pull out towards A,
then pull out the filter towards B, and the air filter can be
detached. The blower fan coil air conditioners also can follow
the same method to remove the air return outlets and filters for
cleaning according to the specific situations.
b. Roof-mounted air conditioners
Gently press the air return grille lower ends, seize the grille switch and pull out towards A, then pull
out the filter towards B, and the air filter can be detached for cleaning.
5-2-2 Before use seasons
1) Check whether the indoor and outdoor units have their air outlets blocked.
2) Check whether the mounting base is subject to corrosion or rust.
3) Check whether the power lines and ground lines are in
normal conditions.
4) Check whether the air filter is clean enough.
5) Connect the power supply.
6) Mount the battery in the remote controller.
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