6
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
12K
0.9 to 1.1
12 to 14
70 to 40
Super High
High
72
18K
0.9 to 1.1
12 to 14
80 to 40
Super High
High
70
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
12K
2.2 to 2.4
70 to 35
2 to 4
Super High
High
77
18K
2.2 to 2.4
70 to 40
1 to 5
Super High
High
70
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
12K
18K
45
46
47
48
49
50
51
52
53
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
Compressor frequency(Hz)
No
is
e
dB
(A
)
Cooling
Heating
Indoor side noise when blowing
Outdoor side noise when blowing
Indoor fan motor rotating speed
SL
L
LM
M
HM
H
SH
20
30
40
50
Compressor frequency(Hz)
Indoor side noise when blowing
Outdoor side noise when blowing
Indoor fan motor rotating speed
SL
L
LM
M
HM
H
SH
20
30
40
50
20
30
40
50
60
20
0
40
60
80
100
)
A(
Bd/
esi
o
N
