MDV MFS2i-24ARN1 - 8 Electronic Function; Main Data Introduction; Operation Modes and Functions

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8.Electronic function
8.1 Main data Introduction
Ts : Set temperature,
T1 : Room temperature
T2: Evaporator pipe temperature
T3: Condenser pipe temperature
T4: Outdoor ambient temperature
8.2 Operation Modes and Functions
8.2.1Manual Operation
8.2.2 Heating Mode
8.2.2.1 Four-way valve opens at once , while defrosting process closes.
8.2.2.2 Condition for the compressor action: (Ts=set temperature, T1=room temperature)
8.2.2.3 Indoor Fan Action
Anytime remote switchover for fan speed among high/low/auto, anti-cold air function takes
priority.
Auto fan in heating mode
8.2.2.5 Anti-cold air:
Switchover between fan speed and fine tune can be set according to temperature of
evaporator pipe (T2).
Compressor is on
Anti-cold air
Indoor fan speed
0 < the accumulated time < 5 minutes
On
according to ‘list 1’
The accumulated time > 5 minutes
Off
Set fan speed
Condition
Compressor and outdoor fan
Room temperature up
T1-Ts>0°C
Off
T1-Ts<0°C
On
Room temperature down
T1-Ts<-1°C
On
T1-Ts>-1°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.
T1-Ts>-2°C
Low