Assortment / System Description

VAV application
Water register 2-pipe system, cooling only
18
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18.16 Water register 2-pipe system, cooling only
Figure: 2-pipe system VAV applications, cooling only
Key:
DXR2… Automation Station R1 Room operator unit
YS Supply air VAV D1 Presence
YC Chilled water cooling coils D2 Window contact
Y Output signal TR Room temperature
SpH Effective heating setpoint SpC Effective cooling setpoint
YC Cooling valve
Figure: Modulating cooling sequence
Plant diagram
Sequences