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ManualsBrandsSiemens ManualsBuilding automationEU Declaration of Conformity DXR2 (24Vac)
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Fan coil application
Water register 4-pipe system with 6-port valve
17
A6V10866237_en--_b_08 101 | 275
17.8 Water register 4-pipe system with 6-port valve
Figure: Example for a 4-pipe system fan coil applications with a 6-port
valve
Key:
DXR2… Room automation station R1 Room operator unit
YHC 6-port valve D1 Presence
D2 Window contact
Y Control signal/rotational angle X Valve opening
Y2
C
Cooling open X2
C
Cooling valve open
Y1
C
Cooling begins X1
C
Cooling valve closed
Y1
H
Heating begins X1
H
Heating valve closed
Y2
H
Heating open X2
H
Heating valve open
Plant diagram
Sequences