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Application Sheet INT061

Chilled ceiling with hot water radiator on triac output including

lighting and blinds operation

DXR2..09T-101A

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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.

2019-02-21

A6V10662233_en--_d_--_07

∂ Heating with radiator/floor heating and cooling with chilled ceiling on triac outputs

∂ Modulating control of heating and cooling valve on triac outputs

∂ Downdraft compensation

∂ Condensation monitoring

∂ Including the control of 4 lighting zones & 2 blinds

∂ Room temperature operation via KNX PL-Link room operator unit with temperature measurement &

lighting and blinds operation

Plant diagram

DXR2… Room automation station Q6, Q7 2 blinds motors

D1 Window contact R Room

D2 Presence detector R1 Room operator unit with

D3 Condensation monitor temperature sensor

Q2, Q3, 4 lighting zones YC Cooling valve

Q4, Q5 YR Radiator valve

Function diagrams

Heating/cooling valves

C Cooling sequence TR Room temperature

H Heating sequence Y Output signal

SpC Effective cooling setpoint YC Cooling valve

SpH Effective heating setpoint YH Heating valve

Summary of content (8 pages)

PAGE 1
Application Sheet INT061 Chilled ceiling with hot water radiator on triac output including lighting and blinds operation ∂ ∂ ∂ ∂ ∂ ∂ DXR2..
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Application Sheet INT061 Chilled ceiling with hot water radiator on triac output including lighting and blinds operation Description of functions Basic functions HVAC ∂ PID control for heating and cooling. ∂ 3-position valves are controlled by triac outputs for radiator heating and chilled ceiling cooling. ∂ The temperature is measured in the room operator unit.
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Application Sheet INT061 DXR2..09T-101A Chilled ceiling with hot water radiator on triac output including lighting and blinds operation Siemens devices Legend Type of unit Data sheet Product No. Qty. DXR2… Compact room automation station, BACnet/IP, 230 V, flat housing, 1 DI, 2 UI, 1 DO relay, 4 DO triacs, 1 AO 0…10 V N9204 DXR2.E09T-101A 1 N9206 DXR2.M09T-101A R1 KNX PL-Link room operator unit with temperature sensor, segmented backlit display, touchkeys N1602 QMX3.
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Application Sheet INT061 DXR2..09T-101A Chilled ceiling with hot water radiator on triac output including lighting and blinds operation R1a, b, c R1 Connection diagram D2 T T + - + - BACnet IP L D1 + - Y1 AC 230 V G Y2 Y1 G M Q2 CE+ CEQ3 CE+ CE- 2x 2x 3L rd D3 BACnet IP N L *D2 a 1 2 3L 1 Q4 Q5 2 Y2 M YR YC YR a YCa Q6 Q7 CE+ CEM 1~ 3L N 1 2x 2 4 5 AC 230 V N *3 party device 4/ 8 Technical information in this document are subject to change.
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Application Sheet INT061 Chilled ceiling with hot water radiator on triac output including lighting and blinds operation DXR2..
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Application Sheet INT061 Chilled ceiling with hot water radiator on triac output including lighting and blinds operation DXR2..
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Application Sheet Chilled ceiling with hot water radiator on triac output including lighting and blinds operation Engineering INT061 DXR2..09T-101A ∂ ABT Site engineering tool is required to configure the DXR2 automation stations. ∂ See the Siemens Download Center at www.siemens.com/bt/download for the latest application configuration and workflow tutorials. ∂ Option combination according to available on-board I/Os on controller.
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Siemens Switzerland Ltd Building Technologies Division International Headquarters Gubelstrasse 22 CH-6301 Zug Tel. +41 41-724 24 24 Fax +41 41-724 35 22 www.siemens.com/buildingtechnologies © 2015 Siemens Switzerland Ltd Subject to change 8/ 8 Technical information in this document are subject to change. Drawings serve illustration purposes only. Siemens is not responsible for content and any manual modifications.