Plant diagram
Figure: Speed-controlled heat pump application with reversing valve control
Key:
DXR2… | Automation station |
| HP | Heat pump |
D1 | Presence |
| Q1 | Speed-controlled fan |
D2 | Window contact |
| R1 | Room operator unit |
Sequences
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Y | Output signal heat pump |
| TR | Room temperature |
SpH | Effective heating setpoint |
| SpC | Effective cooling setpoint |
YH | Heat pump heating |
| YC | Heat pump cooling |
YRV | Reversing valve heat pump |
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Figure: Modulating heating and cooling sequence with reversing valve