AUX air conditioner service manual
75
mode, the temperature falls by another 2℃.
c) When sleeping function runs for more than 7 hours, the system turns off automatically.
d)If the setting temperature is going to be reset, the setting temperature during running process
changes accordingly.
e) The timing off function and sleeping function can be set simultaneously. The corresponding
function will be effective depending on its setting time’s arrival precedence.
f) If the sleeping function is valid, the fan speed is low fan, and the setting temperature is the one after
correctness. But the screen still displays the former fan speed and setting temperature.
④The indoor coil protection function（anti-freezing and anti-overheated protection）
a)When under cooling(dehumidifying) ， the controller detects the indoor coil temperature for
confirming the validity of starting anti-freezing protection：
A、After the compressor runs 5 minutes, if TE≤TE8 and last for 10 seconds continuously，the
compressor and outdoor fan unit close for starting the anti-freezing protection.
B、if TE≥TE9，the anti-freezing protection quit, the compressor and outdoor fan unit restart.
b)When under heating, the controller detects the indoor coil temperature for confirming the validity of
starting overheating protection：
A、if TE≥TE10 and last for 10 seconds continuously，the outdoor fan unit close and start the indoor
coil overheating protection, and continuously detect the indoor coil temperature.
B、if TE≥TE11，compressor turns off.
C、During the above protection period，if TE≤TE7，the overheating protection quit and resume the
former working condition. The stopping time of the outdoor fan unit is at least 45 seconds. When
under overheating protection, the indoor fan unit runs at the setting fan speed.
The ⑤ delay protection function of the compressor and outdoor fan unit
a) There is no 3 minutes delay protection when the compressor turns on after being electrified at the
first time.
b) The compressor is not controlled by the temperature sensor within 3 minutes after starting, and can
start only 3 minutes later after turning off. The restart of the compressor shall be affected three minutes
later after turning off, and the compressor is not controlled by the indoor room temperature within
3minutes after starting.
c) The alternation to the setting temperature of the remote controller or the operation panel, as well as
the turning off of the air-conditioner is not limited to the 3minutes protection, and can stop or turn off
immediately.
d) Preventing the impact of the current: The outdoor fan turns on 2 seconds after the starting of the
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