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Application Sheet RAD011

Hot water radiator 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--_c_--_03

∂ Heating with LTHW radiator

∂ Modulating control of heating valve on triac output

∂ Downdraft compensation

∂ 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 YR1 Radiator valve 1

R Room YR2 Radiator valve 2

Function diagrams Heating valve

H Heating sequence Y Output signal

SpH Effective heating setpoint YH Heating valve

TR Room temperature

Summary of content (6 pages)

PAGE 1
Application Sheet RAD011 DXR2..
PAGE 2
Application Sheet RAD011 DXR2..09T-101A Hot water radiator on triac output Description of functions Siemens devices Optional 1) Basic functions ∂ PID control for heating. ∂ 3-position valves are controlled by triac 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 RAD011 DXR2..09T-101A Hot water radiator 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 YR1a 2-port, 3-port valve or 3-port valves with bypass, PN16 N4847 V..P47..
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Application Sheet RAD011 DXR2..
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Application Sheet Hot water radiator on triac output Engineering RAD011 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. ∂ 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.