13
OCH760
4-2. CORRECTION BY TEMPERATURE
Ratio of cooling capacity
Outdoor Temperature [°C D.B.]
Indoor Temperature
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50 52
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
19°C W.B
Ratio of power input
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50 52
0.0
0.2
0.4
0.6
0.8
1.0
1.2
16°C W.B
18°C W.B
19°C W.B
20°C W.B
22°C W.B
24°C W.B
Outdoor Temperature [°C D.B.]
Indoor Temperature
The outdoor units have varied capacity at different designing temperature. Using the nominal cooling/heating capacity value
and the ratio below, the capacity can be observed at various temperature.
Figure 7 Indoor unit temperature correction
To be used to correct indoor unit capacity only
Figure 8 Outdoor unit temperature correction
To be used to correct outdoor unit capacity only
<Cooling>
15
16
17
18
19
20
21
22
23
24
0.4
0.6
0.8
1.0
1.2
Ratio of cooling capacity
Indoor Temperature [°C W.B.]
