14
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
18K
0.8 to 1.0
12 to 14
80 to 40
Super High
High
70
24K
0.9 to 1.1
10 to 12
80 to 40
Super High
High
83
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
18K
2.2 to 2.4
70 to 40
1 to 5
Super High
High
70
24K
2.5 to 2.7
70 to 40
1 to 5
Super High
High
75
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
20
30
40
50
60
20
0
40
60
80
100
Outdoor side noise
Indoor side noise
Compressor frequency/Hz
)
A (
B d /
e s i
o
N
18K
24K
18K
24K
60
50
40
30
20
10
0
Indoor Fan Motor Rotating Speed
Noice/dB(A)
low
Middle
High
Super High
