AUX air conditioner service manual
81
⑶Specification of the control function
The memory function is valid when each mode being transformed.
●Primary electrified
The controller selects the modes of cooling, dehumidifying or heating (ventilating) mode
automatically according to the indoor temperature while being primary electrified.
a) When TA≥TA1: Select the cooling mode, high fan speed, setting temperature 25℃.
b) When TA2≤TA＜TA1: Select the dehumidifying mode, low fan speed, setting temperature 25℃.
c)When TA＜TA2: The heat pump unit selects the heating mode, high fan speed, setting temperature
20℃. The cooling only unit selects the ventilating mode, low fan speed, no setting temperature
display.
The system mode will not change along with the variety of the indoor temperature after being selected.
At this moment, the corresponding mode and the indoor temperature will display on the LCD screen of
the operation panel. The air-conditioner is in the OFF condition. After pressing the “on/off” button to
start, the air-conditioner will run according to the selected working modes.
●Cooling mode
The temperature setting range is 16℃～32℃
a)The primary setting temperature is 25℃，setting fan speed is high fan. Press“plus”,“minus”button to
adjust the setting temperature. Press the “fan” button to select the setting fan speed between low fan
and high fan.
b)During the run period, when：
TA－TS≤－1℃，the compressor and the outdoor fan unit stop.
TA－TS≥1℃，the compressor and the outdoor fan unit start.
TA＝TS，remain the previous condition.
c) During cooling process, the indoor fan unit runs according to the setting fan speed. If the setting is
sleeping function, the indoor fan unit runs at low fan speed.
●Dehumidifying mode
The temperature setting range is 16℃～32℃
a)TA≤TA3，no dehumidifying process.
b) When under dehumidifying mode, the compressor, outdoor fan and indoor fan unit runs 10 minutes
and stop 6 minutes in return.
c) The fan speed is always low fan speed.
d)When under the dehumidifying mode, the “fan speed” and ”sleep” and ”electric heating”
and ”temperature” buttons are invalid.
●Heating mode
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