12
Technical Information
Service Manual
2.4 Cooling and Heating Data Sheet in Rated Frequency
Rated cooling
condition(°C)
(DB/WB)
Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger
Fan speed of
indoor unit
Fan speed of
outdoor unit
Compressor
frequency
(Hz)
Indoor
Outdoor
P (MPa)
T1 (°C)
T2 (°C)
27/19
35/24
18K
0.9 to 1.1
12 to 14
75 to 37
Super High
High
52
24K
72
Rated heating
condition(°C)
(DB/WB)
Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger
Fan speed of
indoor unit
Fan speed of
outdoor unit
Compressor
frequency
(Hz)
Indoor
Outdoor
P (MPa)
T1 (°C)
T2 (°C)
20/-
7/6
18K
2.2 to 2.4
70 to 35
2 to 4
Super High
High
65
24K
77
Instruction:
T1: Inlet and outlet pipe temperature of evaporator
T2: Inlet and outlet pipe temperature of condenser
P: Pressure at the side of big valve
Connection pipe length: 5 m.
Cooling:
Heating:
2.5 Noise Curve
Indoor side noise when blowing
Outdoor side noise when blowing
Indoor fan motor rotating speed
Compressor frequency(Hz)
Noise/dB(A)
50
60
30
40
20
Low
Middle
High
Super High
50
52
54
56
58
60
62
64
68
20
40
30
50
60
70
80
90
Noise dB(A)
18K
24K
24K
18K
