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Refrigerant Piping
CAUTION
• Make sure that pipe doesn't contact with the compressor terminal cover
and comp bolt.
• Always insulate the liquid and gas-side field piping and branch.
Cautions for Handling Service Valve
• The service valves are closed at shipment from the factory
CAUTION
Make sure to keep the valve open during operation
The names of parts of the service valve are
shown in the figure.
◆ How to use the Shut-Off valve
Use hexagonal wrenches 4mm or 6mm
• Opening the valve
1. Place the hexagon wrench on the valve bar and turn counter-clockwise.
2. Stop when the valve bar no longer turns. It is now open.
• Closing the valve
1. Place the hexagon wrench on the valve bar and turn clockwise.
2. Stop when the valve bar no longer turns. It is now closed.
Direction to open
<Liquid pipe>
20
Outdoor Unit
1
2
3
Direction to open
<Gas pipe>
1. Service point
2. Shut-off Valve
3. Valve cover
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