Pump Down Operation SiUS042113E
148 Part 7 Trial Operation and Field Settings
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 to 10 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 149 for details.
Gas stop valve
Valve cap
Close
Liquid stop valve
Service port
(R25008)
Hexagonal
wrench
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