AUX air conditioner service manual
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⑶The indoor fan’s driving function;
⑷Numerical tube displaying and fault alerting function;
⑸The timing on-off function;
⑹The compressor restarting protection function;
⑺The indoor heat-exchanger overheating protection function under heating mode;
⑻The automatic defrosting and automatic reheating function under heating mode;
⑼The anti-cooling air function under heating mode;
⑽The anti-freezing function under cooling modes;
⑾The air vane’s automatic swing function;
⑿Self-detecting function
3. The main functions specification
⑴The functions of the main buttons
The controller can be controlled by the touch screen of the control panel and the infrared remote
controller. There is no specific precedence sequence between both two of them, but only subject to the
final received signal.
The functions of the buttons on the control panel
①“on/off” button
a)When the air-conditioner is on, if press the “on/off” button , the air-conditioner turns off, the “run”
indication light on the control panel off, and the function of timing close and sleeping is canceled
except other information reserved(mode, fan speed, air grid, setting temperature, electric heating,
strong fan). The system restores if the total air-conditioner with non-electricity.
b)When the air-conditioner is off, if press the “on/off” button , the air-conditioner turns on, the “run”
indication light on the control panel on, and the system functions restores in accordance with the
information reserved before the off of air-conditioner except the timing start function.
②“mode” button
Press“mode”button, the operation modes are in cycle according to the following sequence procedure:
Heat pump unit:cooling→dehumidifying→heating→ventilating→cooling
Cooling only unit:cooling→dehumidifying→ventilating→cooling
Meanwhile, the numerical tube screen on the control panel displays the corresponding mode.
③“fan speed” button
Press “fan speed” button for displaying the low fan and high fan in turn, and the numerical screen will
display the corresponding setting wind speed. When the setting speed is low fan, the screen displays
the symbol of low fan, when the setting speed is high fan; the screen displays the symbol of high fan.
When running under sleeping mode, it’s invalid to press this button (may respond, and still display the
setting fan speed).
④“Swing”button
a) The air grid is divided into up and down grid, right and left grid. If press the “Swing” button, the
air grid will runs in the mode cycle of: up and down, right and left grid runs-grid stops-right and