Oasis On-off
DM12-01.01.09en
40
Service
manual
10.4.2.5 High condenser temperature T3 protection (MS11M-24HRN1 / MO11M-24HN1)
When T3
≥
65
℃
, the compressor will stop and restart until T3<55
℃
.
During the protection, the outdoor fan keeps working.
10.4.3 Heating Mode
10.4.3.1 Compressor running rules:
Once the compressor starts up, it will run 7 minutes. And then it will follow the below rules:
When indoor room temp.T1 is higher than Tj, the compressor and outdoor fan will shut off. When T1 is
lower than Tk, the compressor and outdoor fan will start up.
While Tj=Ts+4;T
k
=Ts+2
10.4.3.2 Outdoor fan running rules:
The outdoor units have single fan speed. The outdoor fan will run following the compressor except
when AC is in evaporator high temp. protection in heating mode , condenser high temp. protection in
cooling mode ,defrosting mode and the current protection.
10.4.3.3 Indoor fan running rules:
When the compressor is on, the indoor fan can be set to high/med/low/auto. And the anti-cold wind
function has the priority.
If the compressor stops caused by the room temperature rising, the indoor fan will be forced to run at
breeze for 127 seconds. During this period, the anti-cold-wind is disabled.
Anti-cold wind function:
When evaporator coil temp.T2 is getting higher,
T2>TE2, the indoor fan will run at setting speed.
TE1<T2<TE2, the indoor fan will run at low speed.
When T2 is getting lower,
TE4<T2<TE3,the indoor fan will run at low speed.