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7 General Maintenance
WARNING!
① Before the cleaning, turn unit off and disconnect power supply. Otherwise, it may result in
electric shock or personal injury.
② When cleaning the air conditioner, please use stable standing platform.
③ Do not clean the unit using hot water of over 45 to prevent the unit from losing color or
deforming.
④ Do not dry the unit on fire resources, otherwise the filter may get on fire or unshaped.
⑤ Volatile liquid like thinner or gasoline will damage the air conditioner. (Use soft dry cloth and
wet cloth dipped with mild detergent to clean the filter of air conditioner.)
⑥ If any problem, please contact after-sales service agent for assistance.
7.1 Cleaning of Air Filter
(1) Remove the air filter on the air inlet for cleaning. Use a dust catcher or water to clean it. If the
filter is very dirty (e.g. greasy), you can clean it using warm water (below 45°C) that is mixed
with mild detergent. Then let it dry naturally under cool places.
(2) If the air conditioner is used in dusty place, clean the air filter often (generally once every 2
weeks).
7.2 Maintenance Before Use-season
(1) Check whether air inlets and air outlets of indoor units and outdoor units are blocked.
(2) Check whether grounding wire is in good condition.
(3) Check whether wire connection is correct.
(4) Connect the power and check whether the display screen of wired controller shows any
characters.
7.3 Maintenance After Use-season
(1) When the weather is sunny, operate the air conditioner for half a day to let its inner part dry.
(2) If you won't use the air conditioner for a long time, disconnect power please. When power is
disconnected, characters on the display screen will disappear.
Multi Variable Air Conditioners Duct Type Indoor Unit
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