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Application Sheet CCG012

Chilled ceiling on analog output

DXR2..09-

101A

1 / 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.

2019-02-21

A6V10662231_en--_d_--_08

∂ Cooling with chilled ceiling on analog output

∂ Modulating control of cooling valve

∂ Condensation monitoring

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

Plant diagram

DXR2… Room automation station R Room

D1 Window contact R1 Room operator unit with

D2 Presence detector temperature sensor

D3.1 Condensation monitor 1 YC1 Cooling valve 1

D3.2 Condensation monitor 2 YC2 Cooling valve 2

Function diagrams

Cooling valve

C Cooling sequence Y Output signal

SpC Effective cooling setpoint YC Cooling valve

TR Room temperature

Summary of content (6 pages)

PAGE 1
Application Sheet CCG012 DXR2..09-101A Chilled ceiling on analog output ∂ ∂ ∂ ∂ Cooling with chilled ceiling on analog output Modulating control of cooling valve Condensation monitoring Room temperature operation via KNX PL-Link room operator unit with temperature measurement Plant diagram DXR2… D1 D2 D3.1 D3.
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Application Sheet CCG012 DXR2..09-101A Chilled ceiling on analog output Description of functions Basic functions ∂ PID control for cooling. ∂ 0...10 V valves are controlled by analog outputs for cooling. ∂ 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 CCG012 DXR2..09-101A Chilled ceiling 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 CCG012 DXR2..09-101A Chilled ceiling on analog output Application configuration On-board output Equipment Radiant ceiling valve position 1 KNX PL-Link devices Room operator unit device 1 Values/Range Template settings Chilled; Y20; 0...10 V 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 CCG012 DXR2..09-101A Chilled ceiling on analog output Engineering ∂ 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. ∂ D2a (on-board presence detector) to be configured in ABT Site under ‚Presence detector 2‘ for maximum combination of optional devices.
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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.