Trane IntelliPak RA 20 Installation, Operation And Maintenance Manual page 118

S S e e r r v v i i c c e e a a n n d d M M a a i i n n t t e e n n a a n n c c e e
Figure 73. Pressure curve — 40 tons high efficiency
500
450
400
350
300
250
200
90 100 110
N N o o t t e e s s : :
• C C h h a a r r g g i i n n g g a a t t A A H H R R I I f f u u l l l l l l o o a a d d d d e e s s i i g g n n c c o o n n d d i i t t i i o o n n s s : : Suction pressure = 136 psig; Discharge pressure = 392 psig;
Subcooling leaving outdoor coil = 15°F.
• C C h h a a r r g g i i n n g g a a t t o o t t h h e e r r c c o o n n d d i i t t i i o o n n s s : : Subcooling range: 13-17°F.
Figure 74. Pressure curve — 40 tons eFlex variable speed
40T eFlex Variable Speed - circuit 1 only
(Use 40T Standard Capacity for circuit 2)
500
450
400
350
300
250
200
90 100 110
N N o o t t e e s s : :
• C C h h a a r r g g i i n n g g a a t t A A H H R R I I f f u u l l l l l l o o a a d d d d e e s s i i g g n n c c o o n n d d i i t t i i o o n n s s : : Suction pressure = 140 psig; Discharge pressure = 389 psig;
Subcooling leaving outdoor coil = 15°F.
• C C h h a a r r g g i i n n g g a a t t o o t t h h e e r r c c o o n n d d i i t t i i o o n n s s : : Subcooling range: 13-17°F.
118
40T High Efficiency
120 130 140 150
Suction Pressure, PSIG
120 130 140 150
Suction Pressure, PSIG
105 F Ambient
95 F Ambient
85 F Ambient
75 F Ambient
65 F Ambient
160 170 180
105 F Ambient
95 F Ambient
85 F Ambient
75 F Ambient
65 F Ambient
160 170 180
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