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Application sheet VAV272

Application sheet VAV272

A6V12189436_en--_a 1 | 7

Application sheet VAV272

Fume hood with variable air volume flow control, vertical and horizontal sash and

lighting

● Fume hood exhaust air volume control and control for fast, precise VAV actuator on 0...10V output.

● Consisting of functions for face velocity setpoint, exhaust air volume flow setpoint, sash positioning, and lab

operator display panel. Integrated lighting control

● Configure the exact functionality based on connected devices and application block.

● Configurable, generic universal control functions for free I/Os

Plant diagram with integrated lighting control

DXR2… Room automation station

YE VAV exhaust air control with damper actuator YEM and pressure sensor YEP

SV Vertical sash sensor

RU Fume hood control unit

F Flow sensor

L Lighting

R Room

Summary of content (7 pages)

PAGE 1
Application sheet VAV272 Application sheet VAV272 Fume hood with variable air volume flow control, vertical and horizontal sash and lighting ● ● ● ● Fume hood exhaust air volume control and control for fast, precise VAV actuator on 0...10V output. Consisting of functions for face velocity setpoint, exhaust air volume flow setpoint, sash positioning, and lab operator display panel. Integrated lighting control Configure the exact functionality based on connected devices and application block.
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Application sheet VAV272 Function diagrams / sequence diagrams Exhaust air volume flow setpoint V EhAirFlMax FhAflMinEffEh EhAirFlMin Sash pos Air flow Sp SshpSpAflMin SshpSpAflMin FhSpAirFlEh Volume flow (Setpoint) Exhaust air VAV maximum air volume flow Fume hood exhaust effective minimum air volume flow Exhaust air VAV minimum air volume flow Front shutter position Face velocity setpoint Sash position for minimum exhaust air volume setpoint Sash position for maximum exhaust air volume setpoint Exhaust
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Application sheet VAV272 Siemens devices Description Device type Data sheet Type Qty. DXR2… Compact room automation station, BACnet/IP, 24 V, DIN housing, 3 DI, 2 BI, 4 UI, 4 DO triacs, 4 AO 0…10 V A6V10959860 DXR2.E17C-103° DXR2.E17CX103A 1 RU KNX PL-Link room operator for fume hood, segmented backlit display, touchkeys or soft touch keypad (Slim) A6V1095985 A6V10959882 QMX3.P87 QMX3.P88 (Slim) 1 YEM VAV damper actuator, AC 24 V, DC 0...10 V, 6 Nm, 2 s A6V11991165 GAP191.
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Application sheet VAV272 Connection diagram Application configuration Group Equipment Values/range Template settings On-board output Extract air VAV position Y10; 0...10 V Y1, Y2 Y10, 0..10V On-board input Extract air differential pressure X1; 0..10V, 4..20mA; SCOM SCOM Fume hood sash position 1 B1; B2; 0..10kOhm B1 Fume hood face velocity X1; X2; X3; X4; 0..10V X2 Operator display panel QMX3.P87, QMX3.P88 QMX3.
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Application sheet VAV272 Group Equipment Values/range Template settings (normally opened) A6V12189436_en--_a Fume hood presence detector 1...2 D1; D2; D3; X1; X2; X3; X4; NC (normally closed) Brightness X1; X2; X3; X4; 0..10V Fume hood remote emergency purge switch D1; D2; D3; X1; X2; X3; X4; NO Fume hood sash alert switch D1; D2; D3; X1; X2; X3; X4; NO Fume hood sash switch 1..
PAGE 6
Application sheet VAV272 Engineering ● The ABT Site engineering tool is required to engineer DXR2 automation stations. ● See the Siemens Download Center at www.siemens.com/bt/download for the latest application configuration and workflow tutorials. ● Options combined as per available on-board - I/Os.
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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 © Siemens Switzerland Ltd, 2021 Technical specifications and availability subject to change without notice.