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Maintenance Measures
Warning!
● Before cleaning the air-conditioning unit, the unit must stop and the main power supply of the unit must be
cut off.
● Do not wet the air-conditioning unit otherwise there will be danger of electric shock. Never use water to
wash the air-conditioning unit.
Precaution!
● Volatile liquid such as thinner or gasoline may damage the finish of air-conditioning unit (only use soft dry
cloth or cloth damped with neutral cleanser to clean the enclosure of the air-conditioning unit).
● Never use hot water over 45 to clean the housing of the air℃ -conditioning unit and otherwise the unit may
lose color or deform.
●Do not dry the air filter of the indoor unit above fire and otherwise the filter may burst into flame or deform
(remark: filter cleaning shall be done by professionals )
● Inspection at the Beginning of Operational Season
Check the air inlet and outlet of the indoor and outdoor units to confir☆ m there is no blockage.
Check the grounding wire to confirm the grounding is ☆ reliable (it shall be done by professionals).
☆ Check the batteries of the remote controller to see if they shall be replaced.
☆ Check if air filter is installed well(it shall be done by professionals).
Check the outdoor unit to see if the installation of it is steady. Contact the service center if there is any ☆
abnormal condition.
If the air☆ -conditioning unit shall operate again after a long-term shutoff, set the status of the main power
supply switch as “ON” eight hours before the start of operation so as to ensure the smooth startup of the
air-conditioning unit.
● Maintenance at the End of the Operational Season
☆ Shut off the main power supply of the air-conditioning unit.
☆ Clean the filter and the enclsoure of the outdoor unit. (it shall be done by professionals)
☆ Remove the dust and foreign articles from the outdoor unit.
☆ If there is any rust on the outdoor unit, apply paint on the position of rust to avoid the expansion of the
rust.
For the maintenance measures of different types of indoor units, refer to the operating
instructions supplied together with the indoor units.
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