Engineering Manual

B-122
<Heating> (NAHZ)
15 16 17 18 19 20 21 22 23 24 25 26 27
59 60.8 62.6 64.4 66.2 68 69.8 71.6 73.4 75.2 77 78.8 80.6
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
Ratio of heating capacity
Indoor Temperature
[°C W.B.]
[°F W.B.]
-25
-20 -15 -10 -5 0 5 10
15
0.4
0.7
-13
-4 5 14 23 32 41 50
59
0.5
0.6
0.8
0.9
1.0
1.1
1.2
Ratio of heating capacity
Outdoor Temperature
[°C W.B.]
[°F W.B.]
70.0°F (21.1°C) D.B.
Ratio of power input
Outdoor intake air dry-bulb temperature
-13 -14 5 14 23 32 41 50 59
-25
-20 -15 -10 -5 0 5 10
15
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
[°C W.B.]
[°F W.B.]
60.8°F (16.0°C) W.B.
69.8°F (21.0°C) W.B.
78.8°F (26.0°C) W.B.
Figure 11 Indoor unit temperature correction
To be used to correct indoor unit capacity only
Figure 12 Outdoor unit temperature correction
To be used to correct outdoor unit capacity only
MXZ
4C36NAHZ 5C42NAHZ 8C48NAHZ
Nominal heating
capacity
BTU/h 45,000 48,000 54,000
Input kW
3.34 3.43 4.22
Indoor Temperature
Indoor Temperature