ENGLISH
Installation Manual
19
Refrigerant Piping
Cautions for Handling Service Valve
How to Use the Shut-Off 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.
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.
1
2
3
4
<Liquid pipe>
Direction to open
<Gas pipe>
Direction to open
1
2
1. Service point
2. Shut-off Valve
3. Filed piping connection
4. Valve cover
1. Spanner
2. Torque wrench
Содержание Multi V mini ARUV Series
Страница 64: ...Memo 64 Outdoor Unit ...