Overcurrent protection
If total current is high, the compressor will run in limited or dropped frequency. When total current
goes on rising over the stated value, the compressor will stop, the outdoor fan will delay 30 seconds
to stop.
DRY mode
The condition and process of drying
• If T amb > T set, DRY mode will act, the indoor fan, outdoor fan and compressor will run, and
indoor fan will run at low speed.
• If T set -2ºC inferior or equal T amb inferior or equal T set, the unit will keep running in the
original mode.
• If T amb < T set -2ºC, the compressor will stop running, the outdoor fan will delay 30 seconds
to stop and the indoor fan will run at low speed.
In this mode, the reversal valve will not be powered on and the temperature setting range is
16ºC~30ºC.
The unit will adjust the running frequency of the compressor automatically according to the change
of ambient temperature.
Protection
Protection is the same with that in COOL mode.
HEAT mode
The condition and process of heating
• If T amb inferior or equal T set +2ºC, HEAT mode will act, the compressor, outdoor fan and 4-
way valve will run simultaneously, the indoor fan will delay at most for 2min to run.
• If T set +2ºC < Tamb < Tset +5ºC, the unit will keep running in the original mode.
• If T amb superior or equal T set +5ºC, the compressor will stop, the outdoor fan will delay 30
sec to stop and the indoor fan will blow for 60 sec at the original speed and then stop.
In this mode, the temperature setting range is 16ºC~30ºC.
The air conditioner will adjust the running frequency of the compressor automatically according
to the change of ambient temperature.
When the unit is turned off in HEAT mode, or switched to other mode from HEAT mode, the four-
way valve will be powered off 2min later after the compressor stops.
Dry mode will act
Running in the original mode
Stop running
Compressor
Outdoor fan
Indoor fan
Run
Stop
T
amb
T
set
T
set
-2
Low fan s
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