CONTROL SYSTEM
11-2
SM FSF048 1-A.0 GB
11.5
Dry Mode
When RT>SPT+2
℃
, the unit will run in cooling mode. Meanwhile, compressor and outdoor fan will
start running, and indoor fan will run at low fan speed;
When SPT-2
≦
RT
≦
SPT+2
℃
, compressor and outdoor fan will run for 6mins and then stop for 4 mins,
and they will run like that circularly. Indoor fan will run at low fan speed;
When RT<SPT-2
℃
, compressor and outdoor fan will stop running, while indoor fan will run at low
fan speed.
In this mode, the temperature setting range is 16
℃
~30
℃
and the initial value is 25
℃
11.6
Refrigerant Recovery mode
•
Power on the unit,
•
Set the A/C at FAN mode, low fan speed by remote controller and the indoor temperature is
set as 20
℃
;
•
Press the light button on remote controller for twice continuously within 5s; The compressor
will be on to recovery the refrigerant.
After compressor has run for 3mins, please close the cut-off valve completely.
Notice: 1. After refrigerant is recovered, if the recovery operation should be operated again, please
power off at first and then power off again.
2. the low pressure switch can’t be short circuited.
3. When the protector for low pressure switch has an action, compressor and outdoor unit will stop
running automatically. Please close the cut-off valve immediately.
11.7
Turbo mode
Press TURBO button in cooling/heating mode, the unit will operate Turbo Mode.
Under this mode, IFAN will operate at super High speed.
Either pressing TURBO button again or selecting other fan speed can cancel the Turbo Mode.
Turbo Mode does not exist in Auto Mode, Dry Mode and Fan Mode.
11.8
Protections
11.8.1
Indoor Coil Defrost Protection
IDU freezing protection is functioned by the ICT to prevent the IU exchanger from freezing in cooling
mode.
Compressor will stop when ICT <= -2
℃
for continuous 3 mins.
The unit will not restart until ICT
≥
10
℃
and the compressor is OFF for 6 minutes.
11.8..2
High Pressure Protection of Compressor by high pressur switch
When high pressure protection is detected for 3 seconds continuously, the high pressure switch is
4.2Mpa, the unit will stop and report the fault, it can not resume running automatically and display
malfunction, it can resume by pressing ON/OFF.
