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Suitable to systems except for PRO AIR I109 IN / PRO AIR I109 OUT
OUT frequency converter
7.2
Function manual of remote controller
7.2.1 Temperature parameter
Room set temperature: (T
Room ambient temperature (T
7.2.2 Basic function of the system
No matter what mode the compressor is in, the minimum time interval between two startups should be 3
minutes after it is powered on.
7.2.2.1 COOL mode
7.2.2.1.1 Running condition and process of cooling
If T
+1℃, COOL mode will act, compressor and outdoor fan will run, the indoor fan will run at the
≥T
amb
set
set speed;
If T
-1℃, the system enters stop mode. In this case, the compressor will stop first, and the
≤T
amb
set
indoor/outdoor fans will stop after a delay of 15s.
If T
-1℃＜T
+1℃, the unit will keep running in the previous mode.
＜T
set
amb
set
In this mode, the reversal valve will not be powered on and the temperature setting range is 16℃~30
℃
7.2.2.1.2 Protection function
Anti-freezing Protection
When system anti-freezing protection is detected, the compressor and outdoor fan stop running, and the
indoor fan runs at the preset speed. When anti-freezing protection is eliminated and compressor has
stopped for 3min, the machine restores its former operation mode.
Over current protection
When the system current is detected to be higher than the specified value for 3 consecutive seconds, the
system will enter the operation mode of fan only. After 3 minutes, the system resumes back to the original
running mode. If the over current protection is detected for three times consecutively in 30 minutes, the
system will stop running and it is required to turn on the system with remote controller.
7.2.2.2 Dry mode
7.1.2.2.1 The condition and process of dry mode
If T
>T
+2℃, the cooling mode will act. The compressor and external fan will run, and the indoor fan
amb
set
will run at an adjustable speed.
)
set
)
amb
T
amb
T
+1℃
set
T
+2℃
set
Compressor
Outdoor fan
Indoor fan
Set fan spee
Run
Anti-freezing Protection
Compressor
Outdoor fan
Indoor fan
Run
—33—
PRO AIR I112 IN / PRO AIR I112
≥3 min
Set fan spee
d
d
Stop
≥3min
Set fan speed
Stop
Start cooling
Original running state
Stop cooling
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