Manualshelf

Data Sheet for Application

ManualsBrandsSiemens ManualsRoom controlsSupply and extract VAV with analog VAV controller, heating and cooling coil and hot water radiator on triac output, DXR2.E18-102A
123456
Application Sheet
CEN003
Central function HVAC supply, lighting and blinds operation
DXR2..18-101A
DXR2..18-102A
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Technical information in this document are subject to change. Drawings serve illustration purposes only.
Siemens is not responsible for content and any manual modifications.
2021-09-01
A6V10662238_en--_d_--_07
• Collection and preparing HVAC supply and demand signals as BACnet data points for:
o 2 x groups for chilled water supply
o 2 x groups for hot water supply
o 1 x group for demand-controlled air supply
• Room operating mode control for 4 groups via digital input
• Manual central operation of facades via KNX PL-Link button
• Manual central operation of lighting via KNX PL-Link button
Plant diagram
R3
AS AS AS
AS AS AS
DXR2.E18
PX
D3
D4 D5 D6 R4
DXR2.E18
Automation station for HVAC
AS
Automation station in the room
supply chain
D3, D4, D5, D6
Digital signals for room operating mode
R3, R4
KNX PL-Link button for central
PX
Automation station for
switching/dimming of luminaires and
supply plants (Siemens PX or
facade control
BACnet third-party device)
Function diagrams
DXR2.E18
AS
Hvac
SplyChw11
PX
PXC {CGrp66}
TOaCReqSpCReq
TOa
T
PXC {CGen10}
FreeC11
FreeCAvl
FreeCtChw
CdnPrev11
Chovr2Pipe11
CdnPrev11
Condensation prevention 11
FreeCTChw
Free cooling temperature chilled water
Chovr2Pipe11
Changeover function for 2-pipe 11
HVAC
HVAC room function
CHwTOa
Supply chain chilled water outside
PXC {CGen10}
Primary application cooling 10
temperature
PXC{CGrp86}
Primary application cooling group 86
CReq
Cooling request
SpCReq
Setpoint for cooling request
FreeC11
Free cooling 11
SplyChw11
Supply chain chilled water 11
FreeCAvl
Free cooling available
TOa
Outside temperature

Summary of content (6 pages)