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33
Installation and Maintenance
Service Manual
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
can't be fluctuant
The water
outlet can't be
fluctuant
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The water outlet
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in water
1. Use Vacuum Pump
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1. Check after Installation
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installation.
2. Test Operation
(1) Preparation of test operation
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controller to start 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
Fig.26
Fig.27
Fig.28