Electronic function
17
7
Electronic function
7.1 Performance Index
No.
Item
Index
1
Applicable Voltage Range
185-253V, 342-418V
2
A/C Frequency
50Hz
3
Working environment temperature
-7°C- +45°C
7.2 Main data Introduction
Ts : Set temperature,
T1 : Room temperature
T2: Evaporator pipe temperature
7.3 Operation Modes and Functions
7.3.1 Manual Operation
7.3.2 Heating Mode
7.3.2.1 Four-way valve opens at once, while defrosting process closes.
7.3.2.2 Condition for the compressor action: (Ts=set temperature, T1=room
temperature)
7.3.2.3 Indoor Fan Action
Anytime remote switchover for fan speed among high/low/auto, anti-cold air function takes
priority.
Auto fan in heating mode
Anti-cold air:
Switchover between fan speed and fine tune can be set according to temperature of evaporator
pipe (T2).
Condition
Compressor and outdoor fan
Room temperature up
T1-Ts=0°C
Off
T1-Ts>-1°C
On
Room temperature down
T1-Ts<-1°C
On
T1-Ts=0°C
Off
Condition
Fan speed
Room temperature up
T1-Ts>-1°C
Low
T1-Ts<-1°C
Hi.
Room temperature down
T1-Ts<-2°C
Hi.
-2°C <T1-Ts <-1°C
Low
Condition
Fan speed
Room temperature up
T2<25°C
Off
25°C <T2<32°C
Low
T2>32°C
Set fan speed
Room temperature down
T2>22°C
Set fan speed
20°C <T2<22°C
Low
