Data Sheet for Application

ManualsBrandsSiemens ManualsRoom controlsFan coil unit with variable fan speed, heating and cooling coil (4 pipe) on triac output, DXR2.E09T-101A

Application Sheet

RAD011/RAD011_H

Hot water radiator on triac output

DXR2..09T-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.

2021-09-08

A6V10662233_en--_d_--_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

Room operator unit with

Window contact

temperature sensor

Presence detector

YR1

Radiator valve 1

Room

YR2

Radiator valve 2

Function diagrams

Heating valve

Heating sequence

Output signal

SpH

Effective heating setpoint

Heating valve

Room temperature

100

Y [%]

TR [°C]

SpH

Summary of content (6 pages)

PAGE 1
Application Sheet RAD011/RAD011_H Hot water radiator on triac output • • • • DXR2..
PAGE 2
Application Sheet RAD011/RAD011_H Hot water radiator on triac output Description of functions Siemens devices Optional 1) DXR2..09T-101A 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.
PAGE 3
Application Sheet RAD011/RAD011_H Hot water radiator on triac output Variants DXR2..09T-101A 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..
PAGE 4
Application Sheet RAD011/RAD011_H Hot water radiator on triac output DXR2..
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Application Sheet RAD011/RAD011_H Hot water radiator on triac output Engineering 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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Issued by Siemens Switzerland Ltd Smart Infrastructure Global Headquarters Theilerstrasse 1a CH-6300 Zug +41 58 724 2424 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.