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Refrigeration system
Refrigerant pressure data
Air-cooled condensers (air)
Pressure (psig) discharge/
suction
Water-cooled condensers
(water)
Pressure (psig) discharge/
suction
Note:
The water control valve is factory set to maintain 230 ± 15 psi discharge pressure @ 70 F water.
Refrigeration system diagram
high side
refrigeration
line run
filter
dryer
60 F/16 C
70 F/21 C
218/31
241/33
60 F/16 C
70 F/21 C
219/33
225/33
thermostatic
expansion
valve
80 F/27 C
277/35
80 F/27 C
231/33
high side
service port
low side
service port
condenser
heat exchanger
low side
refrigeration
line run
compressor
23
90 F/32 C
100 F/38 C
313/38
349/41
90 F/32 C
100 F/38 C
232/34
236/40
High pressure vapor
High pressure liquid
Low pressure liquid
Low pressure vapor
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