Refrigerant Piping
ENGLISH
Installation Manual 21
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
CAUTION
Make sure to keep the valve open during operation
• The service valves are closed at shipment from the factory
The names of parts of the service valve are
shown in the figure.
• since the side boards may be deformed if only a torque wrench is used when loosening or tightening flare nuts,
always lock the shut-off valve with a wrench and then use a torque wrench.
Do not place wrenches on the valve cover.
Do not apply force on the valve cover, this may result in a refrigerant leak.
1. Service point
2. Shut-off Valve
3. Filed piping connection
4. Valve cover
1. Spanner
2. Torque wrench
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