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AHU-KIT
7.3 Routine Maintenance
① Only a qualified service person is allowed to perform maintenance.
② Before obtaining access to terminal devices, all power supply circuits must be interrupted.
③ Water or detergent may deteriorate the insulation of electronic components and result in burn-out of these
components.
④ Stand at solid table when cleaning the unit.
⑤ Do not clean the unit with hot water whose temperature is higher than 45°C(113°F) to prevent fade or
deformation.
⑥ Clean the filter with a wet cloth dipped in neutral detergent.
⑦ Please contact after-sales service staff if there is abnormal situation.
7.3.1 Maintenance before the Seasonal Use
(1) Check if the air inlet and air outlet of indoor and outdoor unit are blocked.
(2) Check if securely grounded.
(3) Check if all the power cord and communication cable are securely connected.
(4) Check if any error code displayed after energized.
7.3.2 Maintenance after the Seasonal Use
(1) Set the unit in fan mode for half a day in a sunny day to dry the inner part of unit.
(2) When the unit won't be used for a long time, please cut off power supply for energy saving;
the characters on the wired controller screen will disappear after cutting off the power
supply.
7.4 Disposal Requirements
Dismantling of the unit, treatment of the refrigerant, of oil and of other parts must be done in
accordance with relevant local and national legislation.
NOTICE
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