Troubleshooting
9.5 2-way, 3-way Valve Appearance
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| Valve cap |
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Hexagonal wrench (4mm) |
| Open position | ||
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Flare nut | Flare nut | Closed position | ||
Open position |
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| Pin | |
Closed position |
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To | To |
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piping | piping | Service | Service | |
connection | connection | |||
port cap | port | |||
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To outdoor unit | To outdoor unit |
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| Works | Shaft position | Shaft position | Service port |
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| Shipping | Closed | Closed | Closed |
| (with valve cap) | (with valve cap) | (with cap) | |
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| Air purging | Closed | Closed | Open |
1. | (Installation) | (clockwise) | (clockwise) | (with vacumm pump) |
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| Operation | Open | Open | Closed |
| (with valve cap) | (with valve cap) | (with cap) | |
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| Pumping down | Closed | Open | Open |
| (clockwise) | (connected manifold | ||
2. | (Transfering) | |||
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| gauge) | |
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| Evacuation | Open | Open | Open |
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| (with charging | |
3. | (Servicing) |
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| cylinder) | |
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| Gas charging | Open | Open | Open |
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4. | (Servicing) |
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| (with charging |
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| cylinder) |
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| Pressure check |
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| Open |
5. | (Servicing) | Open | Open | (with charging cylinder) |
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| Gas releasing |
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| Open |
6. | (Servicing) | Open | Open | (with charging cylinder) |
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