116
RT-SVX063E-EN
Figure 69. Pressure curve — 30 tons standard efficiency
200
250
300
350
400
450
500
90 100 110 120 130 140 150 160 170 180
Suction Pressure, PSIG
30T Standard Efficiency
Discharge Pressure, PSIG
95°F Ambient
85°F Ambient
75°F Ambient
65°F Ambient
105°F Ambient
NNootteess::
• CChhaarrggiinngg aatt AAHHRRII ffuullll llooaadd ddeessiiggnn ccoonnddiittiioonnss:: Suction pressure = 139 psig; Discharge pressure = 421 psig;
Subcooling leaving outdoor coil = 15°F.
• CChhaarrggiinngg aatt ootthheerr ccoonnddiittiioonnss:: Subcooling range: 13-17°F.
Figure 70. Pressure curve — 30 tons high efficiency
200
250
300
350
400
450
500
90 100 110 120 130 140 150 160 170 180
105°F Ambient
95°F Ambient
85°F Ambient
75°F Ambient
65°F Ambient
Discharge Pressure, PSIG
Suction Pressure, PSIG
30T High Efficiency
NNootteess::
• CChhaarrggiinngg aatt AAHHRRII ffuullll llooaadd ddeessiiggnn ccoonnddiittiioonnss:: Suction pressure = 137 psig; Discharge pressure = 430 psig;
Subcooling leaving outdoor coil = 21°F.
• CChhaarrggiinngg aatt ootthheerr ccoonnddiittiioonnss:: Subcooling range: 19-23°F.
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