Engineering Manual

B-120
6-2. CORRECTING BY TEMPERATURE
15 16 17 18 19 20 21 22 23 24
59 60.8 62.6 64.4 66.2 68 69.8 71.6 73.4 75.2
0.4
0.6
0.8
1.0
1.2
Ratio of cooling capacity
Indoor Temperature
[°CW.B.]
[°FW.B.]
5 14
23 32 41 50 59 68 77 86 95 104 113
-15 -10
-5 0 5 10 15 20 25 30 35 40 45
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
Ratio of cooling capacity
Outdoor Temperature
67.0°F (19.4°C) W.B.
[°C W.B.]
[°F W.B.]
-15 -10
-5 0 5 10 15 20 25 30 35 40 45
5 14
23 32 41 50 59 68 77 86 95 104 113
0.0
0.2
0.4
0.6
0.8
1.0
1.2
Ratio of power input
Outdoor Temperature
[°C W.B.]
[°F W.B.]
68.0°F (20.0°C) W.B.68.0°F (20.0°C) W.B. 75.2°F (24.0°C) W.B.75.2°F (24.0°C) W.B.
71.6°F (22.0°C) W.B.71.6°F (22.0°C) W.B.
67.0°F (19.4°C) W.B.67.0°F (19.4°C) W.B.
64.4°F (18.0°C) W.B.64.4°F (18.0°C) W.B.
60.8°F (16.0°C) W.B.60.8°F (16.0°C) W.B.
MXZ-4C36/5C42/8C48NA(HZ), 8C60NA could 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.
MXZ
4C36 5C42
Nominal cooling capacity
BTU/h 36,000 48,000
Input kW 2.57 3.13
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>
Indoor Temperature
Indoor Temperature
MXZ
8C48 8C60
Nominal cooling capacity
BTU/h 48,000 60,000
Input kW 4.00 4.80