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Application Sheet CCG011

Chilled ceiling on triac output

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_--_04

∂ Cooling with chilled ceiling on triac outputs

∂ 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 CCG011 DXR2..09T-101A Chilled ceiling on triac output ∂ ∂ ∂ ∂ Cooling with chilled ceiling on triac outputs 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 CCG011 DXR2..09T-101A Chilled ceiling on triac output Description of functions Siemens devices Optional 1) Basic functions ∂ PID control for cooling. ∂ 3-position valves are controlled by triac 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 CCG011 DXR2..09T-101A Chilled ceiling on triac 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.P36 1 R1c KNX PL-Link flush-mount room sensors N1411 AQR253… AQR257… 1 YC1a 2-port, 3-port valve or 3-port valves with bypass, PN16 N4847 V..P47..
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Application Sheet CCG011 DXR2..
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Application Sheet Chilled ceiling on triac output CCG011 DXR2..09T-101A Default values Parameter Temperature setpoints Cooling setpoint for Comfort Delta cooling setpoint for Pre-comfort Cooling setpoint for Economy Cooling setpoint for Protection Radiant ceiling Enable condensation monitor input Room operator unit Room unit, display temperature Values/Range 0 … 50 °C 0 … 10 K 0 … 50 °C 0 … 50 °C Yes, No None Display room temperature Room unit, display windows status Yes, No Room unit, display heat.
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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.