Premium GPAC12039, Service Manual

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9
Section 3 Electronic Controller introductions
1. Automatic operation mode
1.1 When air conditioner is running. it will automatically detect indoor temperature by
comparison to standard temperature There with to select operation mode
：
Refrigeration.
Heating or dehumidify. (Default will be set as 24 )
℃
1.2 When indoor temperature
≥
27
℃
.running mode will be cooling.
1.3 When indoor temperature is between 20 and
℃
27
℃
. Dehumidify mode will function
（
always mute
）
.
1.4 When indoor temperature
≤
20
℃
.heating mode will function.
1.5 In this mode. Wind speed will run as set air input.
1.6 Once an operation mode is selected. the mode will not be changed. If restarted. The mode
will be reselected.
1.7 The operation indicator will be illumined after 20 seconds blink (mode judgment will be
after 20 seconds).
1.8 This mode has timing function. Without sleep function.
2. Refrigeration mode
2.1 In cooling mode. Temperature is set between 16 and 32 .
℃ ℃
2.2 The condition of turning on a compressor is: room temperature
≥
set tempe1
℃
.The condition of turning off is room temperature
≤
set temperature-1
℃
.
2.3 When cooling is operating after the compressor is started up. It can’t be closed until 3
minutes later. Or only by turning off the machine or changing function mode.
2.4 In cooling mode. The freeze prevention function of indoor coil is valid.
2.5 Indoor wind speed is operated by set wind speed.
3. Dehumidify function
3.1 temperature is setted and controlled with between 16 ~ 32 .
℃ ℃
3.2 four-way valve is closed.
3.3 running indicator is on
3.4 without sleep function.with timing function.
3.5 wind speed is setted mute.
3.6 have got indoor coil freeze prevention function.
3.7 set temperature as the shot temperature of remote controller.
3.8 while indoor temperature is under 16
℃
.dehumidify is invalid.
3.9 when room temperature >= 16
℃
. Compressor will work with intermittences. The opening
and closing time will depend on t loop and t loop-t set up. When compressor and outside fan
are closed. Inside fan will stop running.
When t ambient
≥
23
℃
T a
≥
t set up +1.compressor will run for 8min and stop for 3min.
T a < t set up +1.compressor will run for 3min and stop for 6min.
When t a <23
℃
T a
≥
t set up +1.compressor will run for 3min and stop for 4min.
T a <T set up +1.compressor will run for 3min and stop for 6min.
4. Ventilation control function
4.1. At ventilation mode. outdoor unit is always closed.