Data Sheet for Application

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Table Of Contents

Application Sheet VAV042/VAV042_H

Supply and extract VAV with integrated damper actuator, heating

and cooling coil on triac output

DXR2..10PL..

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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.

2021-09-08

A6V11463709_en--_b

 Supply & extract air volume control with integrated damper actuator (10 Nm)

 Room temperature control

 Air quality control

 Room temperature and rapid ventilation operation via KNX PL-Link room operator unit with

temperature, air quality & relative humidity measurement

Plant diagram

DXR2… Room automation station R Room

B1 Extract air temperature sensor R1 Room operator unit with

B3 Supply air temperature sensor temperature sensor

B4 Differential pressure sensor

(supply air – integrated of DXR2)

YC Cooling coil valve

B5 Differential pressure sensor

(extract air)

YE Extract air control

D1 Window contact YH Heating coil valve

D2 Presence detector YS Supply air control (integrated of DXR2)

Function diagrams Heating and cooling valve Air flow

SpC Effective cooling setpoint

VavSuAirFlMaxH

Max. volume, heating

SpH Effective heating setpoint

VavSuAirFlMinC

Min. volume, cooling

TR Room temperature

VavSuAirFlMinH

Min. volume, heating

V Volume flow rate Y Output signal

VavSuAflMinVent

Min. air flow ventilation YC Cooling valve

VavSuAirFlMaxC

Max. volume, cooling YH Heating valve

Summary of content (8 pages)

PAGE 1
Application Sheet VAV042/VAV042_H Supply and extract VAV with integrated damper actuator, heating and cooling coil on triac output     DXR2..10PL..
PAGE 2
Application Sheet VAV042/VAV042_H DXR2..10PL.. Supply and extract VAV with integrated damper actuator, heating and cooling coil on triac output Description of functions Siemens devices Basic functions  PID control for supply VAV, temperature and air quality.  Supply air differential pressure control sensor integrated in controller.  Internal air flow controller controls supply air damper actuator 0…10 V.  The temperature and air quality (CO2) is measured in the room operator unit.
PAGE 3
Application Sheet VAV042/VAV042_H DXR2..10PL.. Supply and extract VAV with integrated damper actuator, heating and cooling coil on triac output Optional 1) Legend Type of unit Data sheet Product No. Qty. B1 Cable temperature sensor PVC 2 m, LG-Ni1000 N1831 QAP22 1 B3 Cable temperature sensor PVC 2 m, LG-Ni1000 N1831 QAP22 1 B5 Differential pressure sensor, AC 24 V, DC 0...
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Application Sheet Supply and extract VAV with integrated damper actuator, heating and cooling coil on triac output VAV042/VAV042_H DXR2..10PL.. Connection diagram * 3rd party device 4/ 8 Technical information in this document are subject to change. Drawings serve illustration purposes only. Siemens is not responsible for content and any manual modifications.
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Application Sheet VAV042/VAV042_H DXR2..10PL.. Supply and extract VAV with integrated damper actuator, heating and cooling coil on triac output Application configuration Integrated actuator Equipment Supply air VAV position On-board output Supply air VAV differential air pressure KNX PL-Link devices Room operator unit device 1 HVAC Supply air VAV Values/Range Y1, Y2; 3-position Y10; 0...10 V Air volume flow; Y10; 0...10 V X1; 0...10 V X2; 0...10 V P1 QMX3.P02, QMX3.P34, QMX3.P36, QMX3.P37, QMX3.
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Application Sheet VAV042/VAV042_H DXR2..10PL..
PAGE 7
Application Sheet Supply and extract VAV with integrated damper actuator, heating and cooling coil on triac output Engineering VAV042/VAV042_H DXR2..10PL..  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 8/ 8 Technical information in this document are subject to change. Drawings serve illustration purposes only. Siemens is not responsible for content and any manual modifications.