5. Characteristics Curve
5.1 Relationship between Air-Conditioner Low Pressure and Temperature (Fig. 3-1)
Cooling running: There is the same condition indoors and outdoors.
Heating running: Indoor condition, dry bulb of 21°C, wet bulb of 15.5°C.
50 60 70 80(%)
2
3
4
5
6
7
15 20 25 30 35
2
3
4
5
6
7
0 5 10 15 20
干球温度
低力压压 (绝对值)(bar)
干球温度(℃)/湿度(%)
低力压压 (绝对值)(bar)
Low pressure (absolute value) (bar)
Low pressure (absolute value) (bar)
Dry bulb temp. (℃)/Humidity (%) Dry bulb temp. (℃)/Humidity (%)
(a) Cooling operation (b) Heating operation
Fig.3-1
5.2 Performance Curve(Fig.3-2)
Indoor Relative Humidity (50%)
Outdoor Relative Humidity (50%)
Change of Cooling Capacity (%)
Indoor Wet Bulb (℃)
Change of Heating Capacity (%)
Indoor Wet Bulb (℃)
Outdoor Dry Bulb Temp. (℃) Outdoor Dry Bulb Temp. (℃)
(a) Cooling Characteristics (b) Heating Characteristics
Fig. 3-2
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