Assortment / System Description

Fan coil application
Water register 2-pipe system, cooling only
17
104 | 275 A6V10866237_en--_b_08
17.10 Water register 2-pipe system, cooling only
Figure: 2-pipe system fan coil applications, cooling only
Key:
DXR2… Room automation station R1 Room operator unit
Q1 Fan 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