High pressure
350
330
310
290
Indoor DB temperature(°F)
270
250
230
210
190
170
55
65
75
Outdoor ambient DB temperature(°F)
Low pressure
100
95
90
85
80
Indoor DB temperature(°F)
75
70
65
60
55
50
55
65
75
Outdoor ambient DB temperature(°F)
85
95
105
85
95
105
86
80
75
70
115
86
80
75
70
115
39