SiUS091601EA Pump Down Operation
Part 7 Trial Operation and Field Settings 198
1. Pump Down Operation
Outline In order to protect the environment, be sure to conduct pump down operation when relocating or
disposing of the unit.
Details 1. Remove the valve caps from the liquid stop valve and the gas stop valve.
2. Carry out forced cooling operation.
3. After 5 to10 minutes, close the liquid stop valve with a hexagonal wrench.
4. After 2 to 3 minutes, close the gas stop valve and stop the forced cooling operation.
Refer to Forced Cooling Operation on page 199 for details.
Gas stop valve
Valve cap
Close
Liquid stop valve
Service port
(R25008)
Hexagonal
wrench
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