ELECTRONIC FUNCTION
JMF Series 34 Version - 1
9.4 Operation Modes and Functions
9.4.1 Fan mode
(1) Outdoor fan and compressor stop.
(2) Temperature setting function is disabled, and no setting temperature is displayed.
(3) Indoor fan can be set to high/med/low/auto.
(4) The louver operates the same as in cooling mode.
(5) Auto fan:
29
28
High
Low
25
Medium
9.4.2 Cooling Mode
9.4.2.1 Compressor running rules
Once the compressor starts up, it will run 5.5 minutes. And then it will follow the below rules:
When indoor room temp.T1 is lower than Tn, the compressor and outdoor fan will shut off. When
T1 is higher than Tm, the compressor and outdoor fan will start up.
Tm=Ts, Tn=Ts-2.
9.4.2.2 Outdoor fan running rules
The On-off 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.
9.4.2.3 Indoor fan running rules
In cooling mode, indoor fan runs all the time and the speed can be selected as high, medium, low
and auto.
The auto fan:
