Operating Functions
Operation of remote controller
Temperature parameters
• Room set temperature (T set)
• Room ambient temperature (T amb)
Fundamental functions
After powered on, no matter when the compressor is started, the time interval between two
startups cannot be less than 3 minutes.
COOL mode
The condition and process of cooling
• If T T set, COOL mode will act, the compressor and outdoor fan will
run, and the indoor fan will run at the set speed.
• If T amb is mpressor will stop, the outdoor fan will delay 30
seconds to stop, and the indoor fan will run at the set speed.
• If T set amb < Tset, the unit will keep running in the previous mode.
In this mode, the reversal valve will not be powered on and the temperature setting range is
The unit will adjust the running frequency of the compressor automatically according to the change
of ambient temperature.
Protection function
• Antifreezing protection
Under cooling and drying mode, after the compressor run about 10 mins, when the pipe
temp.of the evaporator is to low, the compressor will stop, the outdoor fan will stop after 30s,
under cooling mode the indoor fan and swing motor will keep running in the original mode,
under drying mode the indoor fan will run at low fan speed, the swing motor will run in the
original mode. When antifreezing protection is eliminated and the compressor has stopped for
3 minutes, the unit will resume running in the original mode.
The period of antifreezing protection
Compressor
Outdoor fan
Indoor fan
3 min
Run
Stop
16
MS-SVN22A-EN
amb is equal or greater than
equal or less than T set -2 , the co
-2 < T
61
F
~86
T
amd
Tset
T
set
3min
Compressor
Outdoor fan
Indoor fan
Start cooling
Original running state
Stop cooling
Set fan speed
Run
Stop
-
2
R
)
R
)
R
)
R
R
)
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