350
250
300
200
90
100
250
Service and Maintenance
200
Figure 82. Pressure curve — 50 tons standard efficiency— circuit 1
90
100
50T Standard Efficiency - circuit 1
500
450
500
400
450
350
400
300
350
250
300
200
90
100
250
200
90
100
Note: Full load acceptable subcooling range: 13-23°F
Figure 83. Pressure curve — 50 tons standard efficiency— circuit 2
50T Standard Efficiency - circuit 2
500
450
500
400
450
350
400
300
350
250
300
200
250
90
100
200
90
100
Note: Full load acceptable subcooling range: 13-23°F
500
450
140
500
400
450
110
120
130
140
Suction Pressure, PSIG
110
120
130
140
Suction Pressure, PSIG
40T High Efficiency
110
120
130
140
Suction Pressure, PSIG
110
120
130
140
Suction Pressure, PSIG
55T Standard Efficiency
110
120
130
140
Suction Pressure, PSIG
110
120
130
140
Suction Pressure, PSIG
60T Standard Efficiency
55T High Efficiency
65
F Ambient
o
75
o
F Ambient
65
o
F Ambient
150
160
170
180
150
160
170
180
105
o
F Ambient
95
o
F Ambient
105
o
F Ambient
85
o
F Ambient
95
o
F Ambient
75
F Ambient
o
85
F Ambient
o
65
F Ambient
o
75
o
F Ambient
65
o
F Ambient
150
160
170
180
150
160
170
180
105
o
F Ambient
95
o
F Ambient
105
85
o
o
F Ambient
F Ambient
75
o
F Ambient
95
F Ambient
o
65
o
F Ambient
85
o
F Ambient
75
o
F Ambient
65
o
F Ambient
150
160
170
180
150
160
170
180
105
o
F Ambient
95
o
F Ambient
105
o
F Ambient
350
250
300
200
90
100
110
250
200
90
100
110
50T Sta
40T eFle
500
450
500
400
450
350
400
300
350
250
300
200
90
100
110
250
200
90
100
110
500
450
500
400
450
350
400
300
350
250
300
200
90
100
110
250
200
90
100
110
55T eFlex
500
450
RT-SVX080A-EN
500
400
450
5
5
6
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