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7. Function manual and operation method of remote controller
7.1 Temperature parameters
◆ Room set temperature（T
set
）
◆ Room ambient temperature（T
amb
）
◆ Outdoor ambient temperature（T
oamb
）
◆ Evaporator temperature（T
eva
）
◆ Surface temperature of heat exchanger copper pipe of outdoor unit T
tub1
◆ Surface temperature of heat exchanger copper pipe of indoor unit T
tub2
7.2 Fundamental functions
7.2.1 Cool mode
1. The condition and process of cooling
◆ If T
amb
≥T
set
, COOL mode will act, the compressor, outdoor fan and indoor fan will run, and the indoor fan will run at the set
speed.
◆ If T
amb
≤T
set
－2℃,the compressor will stop , the outdoor fan will delay 30sec to stop and the indoor fan will run at the set speed.
◆ If Tset-2℃＜T
amb
＜T
set
, the unit will keep running in the previous mode.
Ambient temperature T
amb
Set temperature T
set
T
set
-2℃
3 min
Compressor
Outdoor fan
COOL mode will act
Keep running in original state
COOL mode will stop
Indoor fan Run at the set speed
Run Stop
◆ In this mode, the reversal valve will not be powered on and the temperature setting range is 16℃~30℃
2. Antifreezing protection
In COOL mode, when the antifreezing protection is detected, the compressor will stop and the outdoor fan will stop after 30sec. The
indoor fan and swing fan will keep running in the original mode. When antifreezing protection is eliminated, the unit will restart
automatically and enter into original running state.
7.2.2 DRY mode
1. The condition and process of dehumidifying:
◆ If T
amb
>T
set
, DRY mode will act, the indoor fan, outdoor fan and compressor will run, and the indoor fan will run at low speed
◆ If T
set
-2℃≤T
amb
≤T
set
, the unit will keep running in the original mode.
◆ If T
amb
＜T
set
－2℃,the compressor will stop, the outdoor fan will delay 30sec to stop and indoor fan will run at low speed.
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