Specifications
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Indoor Noise Level dB 
(High/Low) (actual/label) 
dB(A)  36~45  43~47  43~49 
Dimension (L*W*H)  mm  940*270*180  1000*320*200 
1225*330*245 
Packing (L*W*H)  mm  1007*340*275  1190*380*300  1445*410*320 
INDOOR 
UNIT 
Net/Gross weight  Kg  12/14  15/18  19/23 
Outdoor Noise Level dB 
(High/Low) (actual/label) 
dB(A)  54  56  59 
Dimension (L*W*H)  mm  795*255*540  870*310*700  900*330*835 
Packing (L*W*H)  mm  920*335*595  990*410*780  1030*440*960 
Net/Gross weight  Kg  38/42  58/62  65/80 
Refrigerant type/weight  g  R22/1300g  R22/1900  R22/2400 
OUTDOOR 
UNIT 
Design pressure (Hi/Low)  MPa  2.7/0.7  2.7/0.7  2.7/0.7 
7. PCB function: 
NOTE: Ts is the set temperature, Tr is indoor room temperature, TP1 is indoor coil pipe temperature, TP2 is 
outdoor coil pipe temperature. 
Display panel  
Cooling 
●  Start up the compressor: when the room temperature is more than Ts+1℃, compressor → start-up 
●  Shut down the compressor: when the room temperature is less than or equal to the set temperature Ts-1℃, 
compressor → shutdown 
●  When the temperature of coil pipe of the indoor units is less than or equal to 1℃  for one minute and the 
compressor has continuous run for more than ten minutes, the compressor and outdoor blower fan shut 
down through the electric control board and the indoor blower fan is running at low speed. 










