Functions and control
16                Domestic air conditioner 
malfunctions when dehumidifying. 
* Timing system on/off function. 
* Dormant control functio
n.
7.1.4      Heating operation mode. 
* temperature control range: 16---30
* temperature difference:   1
* control feature: the temperature compensation is automatically added and the system will send the 
heating signals to the outdoor system. 
If Tr+0.5
Ts, the outdoor compressor is turned on, the indoor fan will be at the cold air proof mode. 
If Tr>Ts+1.5
, the outdoor system is turned off, the indoor fan will be  at  the heat residue sending 
mode. 
*Indoor fan control 
manual control: You can choose high, medium, low and automatic speed control. 
Automatic: When Tr<Ts, high speed. 
       When Ts
Tr Ts+2 , medium speed. 
       When Tr> Ts+2
, low speed. 
When the airflow speed has no delay from the high to low switching, the speed should be delayed for 
3 minutes (remain at high speed for 3 minutes.) before the next switch. 
*Airgate location control: the location for the airgate can be set according to your needs. 
Coldair proof operation 
1. The fan control functions as below: 
* Residue heat sending. The indoor fan will send the residue heat at a low speed for 20 seconds. 
If other conditions are satisfied, when the compressor stops, the indoor system will operate at a light 
speed. The indoor fan will stop when the coil temperature is below the THHOT0. 
* Defrosting. When the system receives the defrosting signal from outdoors, the indoor fan will stop 
and the  indoor  temperature  display  won’t change.  At  the  time,  any 
indoor  coil  malfunctions will  be 
neglected. When the outdoor defrosting finishes, the coil malfunction will still be neglected until the 
compressor has been started up for 30 seconds. The indoor temperature display will not change and 
the system operates at the cold air proof mode. 
*  Automatic  heating  temperature  compensation:  when  the  system  enters  the  heating  mode,  the 
25
16
35
37 73 
SET
MID
LOW
SOFT
STOP