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Siemens BACnet ATEC Owner's Manual
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Siemens BACnet ATEC Owner's Manual

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Siemens BACnet ATEC
Owner's Manual
Siemens Industry, Inc.
125-5050, Rev. AA

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  • Page 1 Siemens BACnet ATEC Owner's Manual Siemens Industry, Inc. 125-5050, Rev. AA...
  • Page 2 Technical specifications and availability subject to change without notice. © 2010 Copyright Siemens Industry, Inc. We reserve all rights in this document and in the subject thereof. By acceptance of the document the recipient acknowledges these rights and undertakes not to publish the document nor the subject thereof in full or in part, nor to make them available to any third party without our prior...

  • Page 3: Copyright Notice

    Copyright Notice Notice Document information is subject to change without notice by Siemens Industry, Inc. Companies, names, and various data used in examples are fictitious unless otherwise noted. No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, without the express written permission of Siemens Industry, Inc.
  • Page 4 Credits APOGEE, APOGEE GO, InfoCenter Administrator, InfoCenter Report Manager, InfoCenter Server, InfoCenter Suite, Insight, Staefa, and TALON are registered trademarks of Siemens Industry, Inc. Other product or company names mentioned herein may be the trademarks of their respective owners. Printed in USA Siemens Industry, Inc.

  • Page 5: Table Of Contents

    Fan Operation ....................21 Application 2867 VAV Parallel Fan Powered with Hot Water Reheat ..... 21 Fan Operation ....................22 Application 2897 Slave Mode .................. 22 Using Auxiliary Points ..................22 Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...
  • Page 6 Chaper 4 – Troubleshooting ..............30 Basic Service Information ..................30 Preventive Maintenance ..................30 Safety Features ....................... 31 Controller LEDs ....................... 31 Glossary ....................32 Index ......................35 Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...

  • Page 7: How To Use This Manual

    How To Use This Manual How To Use This Manual This manual is written for the owner and user of the Siemens Industry BACnet VAV Actuator. It is designed to help you become familiar with the Siemens BACnet VAV Actuator and its applications.
  • Page 8 Electric shock, death, or severe property damage may occur if a procedure or instruction is not followed as specified. Getting Help For more information about the BACnet VAV Actuator, contact your local Siemens Industry representative. Where to Send Comments Your feedback is important to us. If you have comments about this manual, please submit them to SBT_technical.editor.us.sbt@siemens.com...

  • Page 9: Chapter 1 - Product Overview

    Chapter 1 – Product Overview Chapter 1 – Product Overview The BACnet Actuating Terminal Equipment Controller (ATEC) is the Siemens Industry FLN controller used in pressure independent Variable Air Volume applications (See the following figure.). It provides Direct Digital Control (DDC) for eight applications, and can operate independently as a stand-alone DDC room controller or networked with a field panel.

  • Page 10: Hardware Inputs

    Duct temperature sensor (optional) – Application 2861  Room temperature sensor (RTS)  Room temperature setpoint dial (optional)  Digital Night mode override (optional)  Wall switch (optional)  Hardware Outputs Analog None  Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...

  • Page 11: Power Wiring

    The controller is powered by 24 Vac. Power wiring connects to the two screw terminals on the controller labeled “C” (Common) and “H” (Hot) on the terminal block labeled “24 VAC”. No earth ground connection is required. See the following figure. Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...

  • Page 12: Communication Wiring

    Test” properly. * Some LED labels and numerals may be hidden by the controller cover. See also  Chapter 1 – Product Overview [ 9] Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...

  • Page 13: Temperature Sensors

    RJ-11 plug-in connector. Duct Temperature Sensor An optional duct temperature sensor provides duct air temperature sensing inputs to the controller. For more information about temperature sensors, contact your local Siemens Industry representative. Related Equipment Autozero Module (optional) 540-200 ...

  • Page 14: Chapter 2 - Applications

    Chapter 2 – Applications Basic Operation The BACnet ATEC provides Direct Digital Control (DDC) for Variable Air Volume (VAV) terminal box applications. Temperature control varies with the application. If present, heating can be provided by hot water, up to three stages of electric reheat, or optional baseboard radiation.

  • Page 15: Calibration

    The heating/cooling switchover determines whether the controller is in heating or cooling mode by monitoring the room temperature and the demand for heating and cooling (as determined by the temperature control loops). Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...

  • Page 16: Modulate Damper During Heating Mode (Optional)

    1. If the temperature swings in the room are excessive or if there is trouble in maintaining the setpoint, contact your local Siemens Industry representative for more information. 2. The BACnet ATEC, as shipped from the factory, keeps all associated equipment OFF. The controller and its equipment are released to application control at start-up.

  • Page 17: Application 2860 Vav Cooling Only

    When in heating, the terminal box either maintains minimum airflow or modulates the supply air damper. In order for the terminal box to work properly, the central air- handling unit must provide supply air. See the following figure. Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...

  • Page 18: Baseboard Radiation

    In order for the terminal box to work properly, the central air-handling unit must provide supply air for cooling. See the following figures. Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...

  • Page 19: Application 2864 Vav Series Fan Powered With Electric Reheat

    In day mode, the fan is ON all the time. In night mode, the fan cycles on when heating or cooling is required. Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...

  • Page 20: Application 2865 Vav Series Fan Powered With Hot Water Reheat

    Application 2866 has a parallel fan that re-circulates the room air. In order for the terminal box to work properly, the central air-handling unit must provide supply air. Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...

  • Page 21: Fan Operation

    2867 has a parallel fan that re-circulates the room air. In order for the terminal box to work properly, the central air-handling unit must provide supply air. See the following figure. Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...

  • Page 22: Fan Operation

    [insert TEC2567CD] Application 2897 Slave Mode Application 2897 is the slave mode application for the BACnet ATEC (see Ordering Notes [ 9] for product numbers). Slave mode is the default application that comes up when power is first applied to the controller. Slave mode provides no control. Its...
  • Page 23 If using a pair of DOs to control a motor, then the DOs cannot be unbundled. Only MTR COMD can be unbundled to control the motors. Contact your local Siemens Industry representative for other combinations of DOs and motors.

  • Page 24: Chapter 3 - Point Database

    Ul 1 input. When a thermistor is connected at Ul 1, UI 1 is not available. See UI 1. SUPPLY TEMP {15} 2561 Actual reading from a 10K thermistor connected to the Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...
  • Page 25 When flow rises above this value, the parallel fan will turn 2567 OFF. except CLG FLOW MIN 2597 The minimum amount of air in CFM (LPS) to be supplied to Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...
  • Page 26 The value to which the valve 1 actuator is commanded in percent of full travel for applications using a water valve. MTR2 POS {53} 2560, 2561, 2597 The current position of the Motor 2 actuator in percent of full Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...
  • Page 27 The integral gain value for the flow control loop. except FLOW D GAIN 2597 The derivative gain value for the flow control loop. except FLOW BIAS 2597 The biasing of the flow control loop. Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...
  • Page 28 TIME = 10 minutes, STAGE COUNT = 3, and AVG HEAT OUT = 150% then, Stage 1 is ON for 10 minutes (100% of the time), Stage 2 is ON for 5 minutes (50% of 10 minutes) and Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...
  • Page 29 Room humidity when room unit is provided with humidity sensing. Points not listed are not used in this application. Point numbers that appear in brackets { } may be unbundled at the field panel. Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...

  • Page 30: Chaper 4 - Troubleshooting

    Siemens Industry representative. Basic Service Information Always remove power to the BACnet ATEC when installing or replacing it. Since the controller does not have a power switch, the recommended method of removing power to a locally powered controller is to turn OFF the power to the 24 Vac transformer. The recommended method of removing power to a controller on a power cable (even to service a single controller) is to turn OFF the power at the transformer.

  • Page 31: Safety Features

    LEDs located on the circuit board. See the Controller LED lndicators [ 12] section of Chapter 1 - Product Overview [ 9] for more information about LEDs. Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...

  • Page 32: Glossary

    The foot-pound-second system of units for weights and measurements. equipment controller FLN device that provides additional point capacity to a field panel or provides individual room or mechanical equipment control. Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...
  • Page 33 Virtual point that stores a point value such as a temperature setting. Points that monitor inputs, such as temperature, report actual values. SI units Systeme International d'Unites. The international metric system. Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...
  • Page 34 Terminal Equipment Controller Siemens Industry, Inc. product family of equipment controllers (one is the BACnet VAV Controller - Electronic Output) that house the applications software used to control terminal units, such as heat pumps, VAV terminal boxes, fan coil units, unit ventilators, etc.

  • Page 35: Index

    19 modulate damper during heating mode, 18 electric heat, 20 night mode override switch, 16 electric heat interlock, 20 notes, 11, 18 overview, 19 sequencing logic, 16 application 2863 Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...
  • Page 36 TX LED, 32 power wiring, 13 relay module, 15 temperature sensors, 15 units, English, 33 Light Emitting Diodes (LEDs), 32 valve BST, 32 2-position heating, 13 RX and TX, 32 Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...
  • Page 37 Index communication wiring, 14 power wiring, 13 wiring Siemens Industry, Inc. BACnet ATEC Owner's Manaul 125-5050, Rev. AA 4/20/2010...
  • Page 38 Issued by © 2010 Copyright Siemens Industry, Inc. Siemens Industry, Inc. Technical specifications and availability subject to change without notice. Building Technologies Division 1000 Deerfield Parkway Buffalo Grove, IL 60089, USA Tel. +1 847-215-1000 Manual Siemens BACnet ATEC Document ID 125-5050, Rev.

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