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Service Manual
2.4 Cooling and Heating Data Sheet in Rated Frequency
Cooling:
Rated cooling
condition(°C)
(DB/WB)
Indoor
Outdoor
27/19
35/24
Heating:
Rated heating
condition(°C)
(DB/WB)
Indoor
Outdoor
20/-
7/6
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.
2.5 Noise Curve
Indoor side noise
Indoor side noise
50
45
40
35
30
25
SH
H
Indoor fan motor rotating speed
Technical Information
Pressure of gas pipe
connecting indoor and
Model
outdoor unit
P (MPa)
24K
0.9 to 1.1
Pressure of gas pipe
connecting indoor and
Model
outdoor unit
P (MPa)
24K
2.0 to 2.3
MH
M
ML
Inlet and outlet pipe
temperature of heat
exchanger
T1 (°C)
T2 (°C)
in:8~11
in:65~75
out:11~14
out:37~43
Inlet and outlet pipe
temperature of heat
exchanger
T1 (°C)
T2 (°C)
in:75~8
in:1~3
out:33~38
out:4~8
Outdoor side noise
Outdoor side noise
62
60
58
56
54
52
50
48
20
L
SL
Fan speed of
Fan speed of
indoor unit
outdoor unit
Super High
High
Fan speed of
Fan speed of
indoor unit
outdoor unit
Super High
High
Heating
30
40
50
60
70
Compressor frequency(Hz)
Compressor
frequency
(Hz)
53
Compressor
frequency
(Hz)
75
Cooling
80
90
100
5
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Troubleshooting
