4
Technical Information
Service Manual
2.2 Capacity Curve in Different Outdoor Temperature
2.3 Cooling and Heating Data Sheet in Rated Frequency
Heating
Rated heatling 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
Indoor
Outdoor
P (MPa)
T1 (°C)
T2 (°C)
20/-
7/6
18K
3.5~3.8
in:75~85
out:37~43
in:1~3
out:2~5
Super High
High
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
Indoor
Outdoor
P (MPa)
T1 (°C)
T2 (°C)
27/19
35/24
18K
0.8~1.0
in:8~11
out:11~14
in:75~85
out:37~43
Super High
High
Cooling
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: 5m.
Cooling
Heating
32 33 34 35 36 37 38 39
43
–15
–10
–5
40 41 42
100
105
95
90
85
80
75
70
65
60
55
50
110
100
90
80
70
60
50
40
0
5
7
10
Conditions
Indoor:DB27°C/WB19°C
Indoor air flow:Super High
Pipe length: 5m
Conditions
Indoor:DB20°C/WB15°C
Indoor air flow:Super High
Pipe length: 5m
Outdoor temp.(°C)
Outdoor temp.(°C)
Capacity ratio (%
)
Capacity ratio (%
)
Cooling
Heating
2.2 Operation Characteristic Curve
0
10
20
30
40
50
60
70
90
0 10 20 30 40 50 60 70 80 90 100
120
110
80
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)
A (
t n
e r r
u
C
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)
A (
t n
e r r
u
C
220V
230V
240V
220V
230V
240V
0
10
20
30
40
50
60
70
90
0 10 20 30 40 50 60 70 80 90 100
120
110
80
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)
A(
tn
err
u
C
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)
A(
tn
err
u
C
220V
230V
240V
220V
230V
240V
Conditions
Indoor: DB27°C/WB19°C
Outdoor: DB35°C/WB24°C
Indoor air flow: High
Pipe length: 5m
Conditions
Indoor: DB27°C/WB19°C
Outdoor: DB35°C/WB24°C
Indoor air flow: High
Pipe length: 5m
Conditions
Indoor: DB20°C/WB15°C
Outdoor: DB7°C/WB6°C
Indoor air flow: High
Pipe length: 5m
Conditions
Indoor: DB20°C/WB15°C
Outdoor: DB7°C/WB6°C
Indoor air flow: High
Pipe length: 5m
Cooling
Heating