48
Installation and Maintenance
Service Manual
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Liquid valve
Gas valve
Refrigerant charging
vent
Nut of refrigerant
Charging vent
Vacuum pump
Piezometer
Valve cap
Lo Hi
Inner hexagon
spanner
Open
Close
The drain hose can't be fluctuant
The drain hose
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The water
outlet can't be
fluctuant
The water outlet
can't be placed
in water
1. Use Vacuum Pump
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1. Check after Installation
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installation.
2. Test Operation
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2. Leakage Detection
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8.7 Vacuum Pumping and Leak
Detection
8.8 Check after Installation and Test
operation
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