![](/images/new-backgrounds/1056959/5695995x1.webp)
(3-way) Valve
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Valve cap |
| Valve cap |
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| Open position |
| Open position | ||
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| Closed position | |||
| Closed position |
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| Pin |
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| Pin |
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To piping |
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| To piping | Service | Service |
Service | Service | connection | |||
connection |
| port cap | port | ||
| port cap | port | To outdoor unit |
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To outdoor unit |
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| Works | Shaft position | Service port | Shaft position | Service port | |
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| Shipping | Closed | Closed | Closed | Closed | |
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| (with valve cap) | (with cap) | (with valve cap) | (with cap) | |
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| Air purging | Open | Open | Closed | Open | |
1. | (Installation) | (clockwise) | ||||
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| vacuum pump) |
| vacuum pump) | |
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| Operation | Open | Closed | Open | Closed | |
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| (with valve cap) | (with cap) | (with valve cap) | (with cap) | |
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2. | Pumping down | Closed | Closed | Open | Open | |
(Transfering) | (clockwise) | (with cap) | (connected | |||
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| manifold gauge) | |
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| Evacuation | Open | Open | Open | Open | |
3. | (Servicing) |
| (connected |
| (connected | |
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| manifold gauge) |
| manifold gauge) | |
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| Gas charging | Open | Closed | Open | Open | |
4. | (Servicing) |
| (with cap) |
| (with charging | |
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| cylinder) | |
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| Pressure check | Open | Open | Open | Open | |
5. | (Servicing) |
| (connected |
| (connected | |
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| manifold gauge) |
| manifold gauge) | |
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6. | Gas releasing | Open | Open | Open | Open | |
(Servicing) |
| (connected |
| (connected | ||
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| manifold gauge) |
| manifold gauge) | |
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48Ceiling Cassette Air Conditioner