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TRG-TRC005-EN 41
period five
Accessories
notes
Shutoff Valve
Shutoff valves are used to isolate one part of the refrigeration system from
the rest. Additionally, they can be used to trap the refrigerant charge in one
component of the system, the condenser for example, to permit service or
repair to another part of the system.
Common uses of shutoff valves include:
■ Isolating the liquid-line filter drier and suction filter to allow easier core (or
unit) replacement
■ Isolating the compressor from the rest of the system to allow for repair or
replacement
■ Isolating the charge within the condenser or a receiver to allow access to the
rest of the system
Shutoff Valve
shutoff
shutoff
valve
valve
shutoff
shutoff
valves
valves
liquid line
liquid line
condenser
condenser
compressor
compressor
shutoff
shutoff
valve
valve
liquid-line
liquid-line
filter drier
filter drier
evaporator
evaporator
Figure 59