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Cooling Circuit
3.2 Operations
Recover Refrigerant
This procedure recovers refrigerant from the unit, sealing it in a separate tank. Recovered refrigerant could be processed and
purified with a recovery station and reintroduced in the circuit.
Individual Protection Devices
Goggles
Gloves
(a)
Open unit door.
(b)
Connect manifold gauges to LP
and HPL
.
(c)
Connect recovery unit.
(d)
Shut-off valve after liquid
rec
eiver.
(e)
Recover liquid refrigerant from HPL service port.
CAUTION
!
Ensure that all solenoid and shut-off valves are opened.
Vacuum Operation
Deep Vacuum is the only procedure to be sure that system is thoroughly dry, free of non-condensable and free of leaks.
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