23
thermostatic
expansion
valve
compressor
High pressure vapor
High pressure liquid
Low pressure liquid
Low pressure vapor
Low side
slrvice port
high side
service port
condenser
filter dryer
high side
refrigeration
line run
low side
refrigeration
line run
Refrigeration system diagram
Air-cooled condensers (air)
60˚F/16˚C 70˚F/21˚C 80˚F/27˚C 90˚F/32˚C
100˚F/38˚C
Pressure (psig)
discharge/suction
217/29 250/32 284/35 325/39
366/43
Water-cooled condensers (water)
60˚F/16˚C 70˚F/21˚C 80˚F/27˚C 90˚F/32˚C
100˚F/38˚C
Pressure (psig)
discharge/suction
275/34 275/34 275/34 280/34
302/36
Note:
The water control valve is factory set to maintain 275 ± 15 psi discharge pressure @ 70˚F water.
Refrigeration system
Refrigerant pressure data
