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6
PERFORMANCE DIAGRAMS
4
The air discharge temperature diagram is based on 80
°
F dry bulb indoor temperature for three different values of indoor relative humidity.
Due to the temperature differences of the air at the outlet, the thermometer must be placed exactly in the position shown in the sketch.
The power input diagram is based on 80
°
F dry bulb indoor temperature for three different values of indoor relative humidity.
Discharge air temperature
measuring point
The air discharge temperature diagram is based on 80
°
F dry bulb indoor temperature for three different values of indoor relative humidity.
Due to the temperature differences of the air at the outlet, the thermometer must be placed exactly in the position shown in the sketch.
13,000
70
75
80
85
90
95
100
105
110
115
Outdoor dry bulb temperature
°
F
Cooling capacity, Btu/h
30% RH
50% RH
85% RH
Cooling capacity
Btu/h
9,000
12,000
11,000
10,000
8,000
7,000
6,000
70
75
80
85
90
95
100
105
110
115
Outdoor dry bulb temperature
°
F
Discharge air temperature
°
F
30% RH
50% RH
85% RH
Discharge air temperature
°
F
70
75
80
65
60
55
50
45
40