The control sequence can be set via P02.
The following sequences can be activated in the thermostat.
The available sequences depend on the application (selected via P01, see Control parameters).
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Parameter | P02 = 0 | P02 = 1 | P02 = 2 | P02 = 3 | P02 = 4 |
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Available for basic application ⇓ | Heating only | Cooling only | H/C changeover auto via external water temperature sensor or remote switch | Manually select heating or cooling sequence (using HMI) | Heating and cooling sequence, 4-pipe |
2-pipe |
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2-pipe FCU for cooling + floor heating |
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4-pipe |
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1) For manual changeover with 4-pipe applications, see 4-pipe fan coil unit.
- 4-pipe manual changeover (P02 = 3) means activating either cooling or heating outputs