Manualshelf

Assortment / System Description

ManualsBrandsSiemens ManualsRoom controlsSupply and extract VAV with analog VAV controller, heating and cooling coil and hot water radiator on triac output, DXR2.E18-102A
131132133134135136137138139140
VAV application
Water register 4-pipe system with 6-port valve
18
A6V10866237_en--_b_08 131 | 275
18.14 Water register 4-pipe system with 6-port valve
Figure: Example for 4-pipe system VAV 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
Figure: Modulating heating and cooling sequence with 6-port valve
positions
Plant diagram
Sequences