5
Technical Information
Service Manual
2.4 Cooling and Heating Data Sheet in Rated Frequency
Rated cooling
condition(
o
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 (
o
C)
T2 (
o
C)
27/19
35/24
12K
0.8 ~ 1.1
11 to 14
38 to 41
Super High
High
72
18K
0.8 ~ 1.0
12 to 14
80 to 40
52
Rated heating
condition(
o
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 (
o
C)
T2 (
o
C)
20/15
7/6
12K
2.8 ~ 3.2
38 to 41
2 to 5
Super High
High
77
18K
2.2 ~ 2.4
70 to 40
1 to 5
65
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
60
50
40
30
20
10
0
Indoor Fan Motor Rotating Speed
Noice/dB(A)
low
Middle
High
Super High
Outdoor side noise
Compressor frequency/Hz
Noise/dB(A)
70
60
50
40
30
0
20
40
60
80
100
20
18K
12K
