Operation Modes And Functions - Midea MFE-60ARN1-RB4W Service Manual

8.3 Operation modes and functions

8.3.1 Manual operation
8.3.2 Heating mode
8.3.2.1 Four-way valve opens at once and anti-cold air function opens at the same time,
electric heaters starts or stops according to 8.3.2.4.
8.3.2.2 Condition for the compressor and outdoor fan action:
MFE-60ARN1-RB4W(2T0043800036)
Condition
Ts-T1≥1° C
T1-Ts>0° C
When compressor is on, outdoor fan will follow the below rules:
Fan(below): When compressor is on, the outdoor fan runs all the time.
Fan(above):
The others modes:
Condition
Ts-T1≥1° C and compressor is off
reaches up to over 4 minutes
T1-Ts>2° C
When compressor is on, outdoor fan will follow the below rules:
When T4≤16℃, the two fan run at the same time.
When T4≥18℃, the below fan is on, the above fan is off.
8.3.2.3 Indoor fan action
Auto fan in heating mode
MFE-60ARN1-RB4W(2T0043800036):
Compressor and outdoor fan
On
Off
T4
18
Off
16
On
Compressor and outdoor fan(High)
On
Off
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