Assortment / System Description

Radiant/chilled ceiling application
4-pipe heated/chilled ceiling with 6-port valve
15
A6V10866237_en--_b_08 73 | 275
15.4 4-pipe heated/chilled ceiling with 6-port valve
Figure: Example for a 4-pipe ceiling heating/chilled ceiling application with
a 6-port valve
Key:
DXR2… Automation Station R1 Room operator unit
YHC 6-port valve D1 Presence
CdnMon Condensation monitor 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
Figure: Modulating heating and cooling sequence with 6-port valve
positions
Plant diagram
Sequences