3 Pipe CH (Changeover) Boxes
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CHANGEOVER (CH) BOXES
Hitachi’s range of single and multi port CH boxes can be installed or removed as building
requirements change to switch from 2 to 3 pipe without changing the outdoor units.
Both single and multi port boxes can be used on the same installation for maximum flexibility and adaptability.
For 3-Pipe FSXNSE and FSXNPE Systems
Model Reference | Connections/Capacity Data | Dimensions (mm) | Max total Capacity (kW) | Fuse Rating Amps | Electrical Supply |
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CH Box Model | No. of Ports | Max I/U per Port | Max kW per box | Max kW per branch | Height | Width | Depth |
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| CH-AP160SSX | 1 | 7 | 16.0 | N/A | 191 | 301 | 324 | 16 | 5 | Single |
| CH-AP280SSX | 1 | 8 | 28.0 | N/A | 191 | 301 | 214 | 28 | 5 | Single |
| CH-AP04MSSX | 4 | 6 | 44.8 | 16.0 | 260 | 303 | 352 | 44.8 | 5 | Single |
| CH-AP08MSSX | 8 | 6 | 85.0 | 16.0 | 260 | 543 | 352 | 85 | 5 | Single |
| CH-AP12MSSX | 12 | 6 | 85.0 | 16.0 | 260 | 783 | 352 | 85 | 5 | Single |
| CH-AP16MSSX | 16 | 6 | 85.0 | 16.0 | 260 | 1023 | 352 | 85 | 5 | Single |
Features and Benefits
- Simlified Wiring – no Daisy Chain. Wiring follows the pipe route to the fan coil
- 13% fewer connections than competitor single port CH boxes
- Longer piping lengths
- No drain connections required
- Smallest footprint, lowest height and lightest of main competitor models
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