Plant diagram
Figure: Example for a 4-pipe floor cooling/heating application with a 6-port valve (PL-Link)
Key:
DXR2… | Automation station |
| R1 | Room operator unit |
YHC | 6-port valve |
| D1 | Presence |
| D2 | Window contact |
Sequences
|
| ||||
Y | Control signal/rotational angle |
| X | Valve opening | |
Y2C | Cooling open |
| X2C | Cooling valve open | |
Y1C | Cooling begins |
| X1C | Cooling valve closed | |
Y1H | Heating begins |
| X1H | Heating valve closed | |
Y2H | Heating open |
| X2H | Heating valve open | |
YN | Valve closed |
| XN | Valve closed | |
Figure: Modulating heating and cooling sequence with 6-port valve positions (PL-Link)
Parameter settings PL-Link
Description | Name | Default value |
|---|---|---|
Heating valve position for value Y2H | Y2HtgVlvPos | 84 [%] |
Heating valve position for value Y1H | Y1HtgVlvPos | 55 [%] |
Valve position neutral YN | VlvPosClsd | 50 [%] |
Cooling valve position for value Y1C | Y1ClgVlvPos | 45 [%] |
Cooling valve position for value Y2C | Y2ClgVlvPos | 16 [%] |