Hisense AMS-07UR4SNVT4 Service Manual page 117

5 . CONTROL MODE
5 . CONTROL MODE
for the 4-way valve to change over from being activated to being interrupted.
5-3-8 Heating-run mode
4-3-8-1 Temperature compensation
The temperature compensation is 5º in heating mode. For example, if the
set temperature is 25℃ by the remote control, when the room temperature is
detected with 31℃, the compressor will turn off. The main reason is that the hot
air is condensed at the top of the house.
Note: The compensation is available only if the room temperature sensor of
indoor unit is used and it is not available when it is subject to the sensor on the
remote control.
4-3-8-2 Indoor fan motor operation
Anti-cold air system:
When the appliance run in Heat mode condition, the indoor fan motor
operation is shown as following to prevent the cooling air come out during the
appliance operation.
When the appliance turn in the anti-cold air system in the Extra-LOW
(Tapped motor set in LOW, sic passim) during the compressor operation, the
louver swang to the Cool air protection position, the louver recovers to the
original position after the air volume change to LOW. When the room
temperature reach to the setting temperature, the compressor will be turn off,
and the air flow change to LOW, the louver swang to the Cool air protective
position to prevent the air drop into human body directly; when the indoor pipe
coil temperature drop continuously, it will turn in the Cooling air protective
system in the Extra-LOW or stop the fan motor.
The indoor fan motor is only controlled by the signal of indoor pipe coil
temperature, no matter the compressor turn ON/OFF, even the appliance turn in
Heat mode at first time.
The indoor fan motor will operate according to the different setting(High,
The setting air flow
35℃
The setting air flow
30℃
Extra-low
25℃
Stop
Low
Stop