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High pressure vapor
high side
refrigeration
line run
filter
dryer
thermostatic
expansion
valve
high side
service port
low side
service port
condenser
heat exchanger
low side
refrigeration
line run
compressor
High pressure liquid
Low pressure liquid
Low pressure vapor
Refrigeration system diagram
Air-cooled condensers (air)
50 F/10 C 60 F/16 C 70 F/21 C 80 F/27 C 90 F/32 C 100 F/38 C
Pressure (psig)
discharge/suction
200/24
217/26
243/28
282/31
318/34
350/37
Water-cooled condensers (water) 50 F/10 C 60 F/16 C 70 F/21 C 80 F/27 C 90 F/32 C
Pressure (psig)
discharge/suction
235/21
237/21
238/20
236/21
315/33
Note: The water control valve is factory set to maintain 238 ± 15 psi discharge pressure @ 70 F water.
Refrigeration system
Refrigerant pressure data