AUX air conditioner service manual
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⑷The air vane’s automatic swing function and the position setting function;
⑸The buzzer’s driving function;
⑹The indoor fan’s driving function;
⑺The timing on-off function;
⑻The compressor restarting protection function;
⑼The indoor heat-exchanger overheating protection function under heating mode;
⑽The automatic defrosting and resume function under heating mode;
⑾The anti-cold air function under heating mode;
⑿The anti-freezing function under cooling and defrosting modes;
⒀Self-detecting function.
3. The main functions specification
⑴ The specialty terms and their express:
TA: Stands for the indoor ambiance temperature;
TE: Stands for the indoor evaporator temperature;
TS: Stands for the setting temperature;
⑵ Emergency switch
①The air-conditioner turns off if press on this button when the air-conditioner is working; The
air-conditioner turns on if press on this button when the air-conditioner is off, and it will work in an
automatic mode after press on this button. Then the indication light twinkles for 20 seconds and the
air-conditioner does not start working until the working mode to be selected by the system;
The air-conditioner automatically selects one of cooling, dehumidification, and heating mode as the
working mode according to the indoor air temperature.
a) When TA≥TA1, the controller enters into the cooling mode and follows the mode in working. The
setting temperature herein is 24℃ and the setting wind speed is strong wind;
b) When TA2<TA<TA1, the controller enters into the dehumidification mode and follows the mode in
working. The setting temperature is 24℃ and the setting wind speed is strong wind;
c) When TA≤TA2, the controller enters into the heating mode and follows the mode in working (The
cooling only type follows the ventilation mode). The setting temperature herein is 24℃ and the setting
wind speed is strong wind;
d) This mode includes the functions of timing, sleeping, /auto-restart (optional), negative ion
(optional), I feel（optional）; The system mode will not change along with the variety of the indoor
temperature after being selected. The default status of the horizontal air-blade is still. The operation
can be adjustable by receiving the remote signal.
② Press this emergency-switch without release at least 5 seconds until the ring of the buzzer rings
twice. The controller enters into the trial operation. The trial operation time is 30min:
a) The sensor of the air-inlet temperature doesn’t function in the period of trial operation. The
compressor starts work after 3min delay protection (The primary running has no 3min safety-guard
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