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Siemens QSA2700D Basic Documentation

Fine dust room sensor
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QSA2700D / QSA2700 / AQS2700
Fine Dust Room Sensor
Basic Documentation
A6V11160936_en--_a
2017-12-01
Building Technologies
Building Technologies

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  Summary of Contents for Siemens QSA2700D

  • Page 1 QSA2700D / QSA2700 / AQS2700 Fine Dust Room Sensor Basic Documentation Building Technologies A6V11160936_en--_a 2017-12-01 Building Technologies...
  • Page 2: Table Of Contents

    Table of Contents About this document ................3 Product overview ................. 5 Installation ................... 8 Configurations ..................12 Technical data ..................17 Maintenance..................19 Air Quality Index classes ..............22 Standard compliance ................23 Appendices ..................24 2 | 26 Siemens A6V11160936_en--_a 2017-12-01...
  • Page 3: About This Document

    If you find any lack of clarity while using this document, or if you have any criticisms or suggestions, please contact your local point of contact (POC) at the nearest branch office. Addresses for Siemens RCs are available at www.siemens.com/sbt. Conventions for text...
  • Page 4 This symbol identifies an important notice that you should be aware of when you are using the product. Document use/ request to Before using products from Siemens Industry, Inc., it is important that you read the the reader documents supplied with or ordered at the same time as the products (equipment, applications, tools, and so on) carefully and in full.
  • Page 5: Product Overview

    The fine dust room sensor is designed to measure and transmit indoor concentrations of PM2.5 and PM10. This wall-mounted product has variants with or without displays and can connect directly to Siemens BT controllers as well as many third party controllers via voltage output or Modbus.
  • Page 6 Product overview Device overview 2.4 Device overview Hole for wiring (top) for surface mounting 2 [QSA2700 only] 3 [QSA2700D only] LCD display (power supply for display only) 5 [QSA2700D only] Proximity sensor Push button Hole for wiring (bottom) for surface mounting...
  • Page 7 Product overview Normal display overview of QSA2700D 2.5 Normal display overview of QSA2700D 1 Current Air Quality Index (refer to Air Quality Index classes [➙ 22] for more information) 2 Text on the current Air Quality Index 7 | 26...
  • Page 8: Installation

    NOTICE Ultrasonic humidifiers can create fine dust from unpurified water that can distort sensor readings. Do not use in spaces with PM2.5 controlled ventilation. 8 | 26 Siemens A6V11160936_en--_a 2017-12-01...
  • Page 9 G, G0: Operating voltage AC 24 V (SELV) / DC13.5…35 U1: Signal output DC 0...10 V for PM2.5 0...500 μg/m3 U2: Signal output DC 0...10 V for PM10 0...500 μg/m3 Gu: Signal ground for U1 & U2 +,-, Ref: Modbus signal 9 | 26 A6V11160936_en--_a Siemens 2017-12-01...
  • Page 10 2. Screw and fix the mounting plate on a conduit box (Conduit box mounting), or on a wall (Dry wall mounting if there is a mounting hole and the wires are concealed in the hole; Surface mounting if there is no mounting hole). 10 | 26 Siemens A6V11160936_en--_a 2017-12-01...
  • Page 11 3. Connect and screw wires correctly to the terminal. For surface mounting, you must break out the wiring hole at the top or bottom first. 4. Attach the housing to the mounting plate at the top and then snap on the housing at the bottom. 11 | 26 A6V11160936_en--_a Siemens 2017-12-01...
  • Page 12: Configurations

    – data bits – parity – 8-O-1 / 2 = 1-8-N-1 stop bit) / 3 = 1-8-N-2 Bus configuration 0 = Ready / 1 = R / W command Load / 2 = Discard 12 | 26 Siemens A6V11160936_en--_a 2017-12-01...
  • Page 13 Permanently on Error 1, replace sensor module Flashing (0.5 s on / 0. 5 s off) Error 2, communication error Red / yellow Flashing (0.5 s red / 0. 5 s yellow) Possible inaccurate measurement 13 | 26 A6V11160936_en--_a Siemens 2017-12-01...
  • Page 14 Configurations Initial setup (QSA2700D) 4.5 Initial setup (QSA2700D) Step Description Picture Power on the device: Page 1 is displayed. Short press the push button to select the language. Long press the push button (>2 s) to save the selection. Page 1 Short press the push button to enter page 2 .
  • Page 15 Short press the push button to select a language. Then, long press the push button (>2 s) to save the selection. Page 8 4.7 Change Air Quality Index class (QSA2700D) Step Description Picture Short press the push button to reach page 9 .
  • Page 16 Configurations Modbus configuration (QSA2700D) Step Description Picture From page 3 , long press the push button (2…10 s) to enter page 5 Page 3 Long press the push button (>2 s) to enter page Note: A short press returns to page 3.
  • Page 17: Technical Data

    Size 1, tightening torque 0.6 Nm (0.44 lb-ft). Wiring lengths for signals. 600 meters 5.5 Housing protection class Degree of protection of housing IP30 5.6 Operation conditions Temperature 0…50 °C Humidity 5...95% r.h. (no condensation) 17 | 26 A6V11160936_en--_a Siemens 2017-12-01...
  • Page 18 Electromagnetic compatibility CE standard EN 60730-1 Immunity EN 61 000-6-2 Emissions EN 61 000-6-3 EU conformity declaration A6V11277342 *) *) The document can be downloaded at http://siemens.com/bt/download. 5.9 General data Color White Weight 140 g 5.10 Display (QSA2700D) Screen Color, no touch Working status Only active when people in front within 1 m (±10%);...
  • Page 19: Maintenance

    , e.g. a smoking room), replace the module more often. To replace the sensor module: 1. Detach the housing from the mounting plate using a screw driver. 2. Take off the module by hand and replace it with a new one. 19 | 26 A6V11160936_en--_a Siemens 2017-12-01...
  • Page 20 If not possible, insert a new sensor module 10 s after the old one is removed. 6.2 Proximity sensor (QSA2700D) QSA2700D includes a built-in proximity sensor and enters into energy efficient mode if no person is detected in front of the sensor (approximately 1 m) over the past few minutes.
  • Page 21 Maintenance Troubleshooting 6.3 Troubleshooting Error Description 0-10 V output Modbus QSA2700D Replace sensor module Present 0 V (2 Value of register when: s) and 10 V (2 260 changes s) one by one in from 0 to 1 it is broken;...
  • Page 22: Air Quality Index Classes

    ) and China (1…35 μg/m These different conversions of PM2.5 to AQI, country by country, are reflected by different AQI classes. Our new sensor QSA2700D for PM2.5 recognizes three different classes that can be selected during product commissioning: ● Class I – U.S.
  • Page 23: Standard Compliance

    Standard compliance 8 Standard compliance 1. The product complies with CE standard (EN 61000-6-2, EN 61000-6-3, EN 60730-1). 2. The product complies with the RoHS and RoHS CN standard. 23 | 26 A6V11160936_en--_a Siemens 2017-12-01...
  • Page 24: Appendices

    Cyber security disclaimer 9 Appendices 9.1 Cyber security disclaimer Products, solutions and services from Siemens include security functions to ensure the secure operation of building automation and control, fire safety, security management, and physical security systems. The security functions on these products, solutions and services are important components of a comprehensive security concept.
  • Page 26 © Siemens Switzerland Ltd, 2017 Issued by Siemens Switzerland Ltd Technical specifications and availability subject to change without notice. Building Technologies Division International Headquarters Gubelstrasse 22 CH-6300 Zug +41 58 724 2424 www.siemens.com/buildingtechnologies Document ID: A6V11160936_en--_a Edition: 2017-12-01...

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