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Application Sheet CCG022

Chilled ceiling with hot water radiator on analog output

DXR2..09-

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

A6V10662231_en--_d_--_09

∂ Heating with radiator/floor heating and cooling with chilled ceiling on analog output

∂ Modulating control of heating and cooling valve

∂ Downdraft compensation

∂ Condensation monitoring

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

Plant diagram

DXR2… Room automation station R1 Room operator unit with

D1 Window contact temperature sensor

D2 Presence detector YC Cooling valve

D3 Condensation monitor YR Radiator valve

R Room

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 (6 pages)

PAGE 1
Application Sheet CCG022 DXR2..
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Application Sheet CCG022 DXR2..09-101A Chilled ceiling with hot water radiator on analog output Description of functions Basic functions ∂ PID control for heating and cooling. ∂ 0...10 V valves controlled by analog outputs for heating. ∂ The temperature is measured in the room operator unit. ∂ The application allows customers to adjust the room temperature setpoints via the room operator unit. ∂ The operating modes are Comfort, Pre-Comfort, Economy and Protection.
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Application Sheet CCG022 DXR2..09-101A Chilled ceiling with hot water radiator on analog output Variants Legend Type of unit Data sheet Product No. Qty. R1a KNX PL-Link wall-mount room sensor for temperature N1602 QMX3.P30 1 R1b KNX PL-Link flush-mount room operator unit N1601 QMX3.
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Application Sheet CCG022 DXR2..09-101A Chilled ceiling with hot water radiator on analog output Application configuration On-board output Equipment Radiant ceiling valve position 1 Radiator valve position 1 KNX PL-Link devices Room operator unit device 1 Values/Range Chilled; Y20; 0...10 V Chilled; Y30; 0...10 V Heating/chilled 2-pipe; Y20; 0...10 V Heating/chilled 2-pipe; Y30; 0...10 V Heating/chilled 4-pipe 6-way; Y20; 0...10 V Heating/chilled 4-pipe 6-way; Y30; 0...10 V Heating; Y20; 0...
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Application Sheet Chilled ceiling with hot water radiator on analog output Engineering CCG022 DXR2..09-101A ∂ 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 6/ 6 Technical information in this document are subject to change. Drawings serve illustration purposes only. Siemens is not responsible for content and any manual modifications.