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Siemens BACnet VAV Actuator Owner’s Manual 125-5037 Rev. AA, February 2008.
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Rev. AA, February 2008 NOTICE The information contained within this document is subjec t to change w ithout notice and should not be construed as a commitment by Siemens Building Technologies, Inc. Siem ens Building Technologies, Inc. assumes no responsibility for any errors that may appear in this document.
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Siemens Building Technologies, Inc. I Table of Contents How To Use This Manual .............................................................................................. V Manual Orga nzati on ..................................................
Table of Contents II Siemens Building Technologies, Inc. Fail-safe O perati on .................................................................................................... 7 Heating and Cooli ng Switc hover ................................
Siemens BACnet VAV Actuator Owner’s Manual Siemens Building Technologies, Inc. III Point Da tab ase .............................................................................................................. 20 Overvi ew .....................
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Siemens Building Technologies, Inc. V How To Use This Manual This manual is written for the owner and user of Siemens Building Technologies BACnet VAV Actuator. It is designed to help you become fa miliar with the Siemens BACnet VAV Actuator and its applications.
How To Use This Manual VI Siemens Building Technologies, Inc. Manual Conventions The following table lists conventions to help you use this manual in a quick and efficient manner. Convention Example Actions that you should perform are specified in boldface font.
Siemens Building Technologies, Inc. 1 1 Product Overview Introduction The BACnet VAV Actuator is the Siemens Bu ilding Technologies, Inc. FLN controller used in pressure independent Variable Air Volu me applications (Figure 1).
Product Overview 2 Siemens Building Technologies, Inc. T EC0496R1 Air V elocity Sensor Power Connection Status/DO LEDs BACnet Connection Airflow Pickup T ubes Figure 1.
Siemens BACnet VAV Actuator Owner’s Manual Siemens Building Technologies, Inc. 3 Digital A pplication • Autozero Module (AZM) (optional) 2560, 2561, 2562, 2563 • Damper Actuator All • Fan 2565.
Product Overview 4 Siemens Building Technologies, Inc. Communication Wiring The controller connects to the field panel by means of a Floor Level Network (FLN) trunk. Communication wiring connects to the three screw terminals on the controller labeled “+” (positive), “-“(negative) , and “S” (Shield) (Figure 3).
Siemens BACnet VAV Actuator Owner’s Manual Siemens Building Technologies, Inc. 5 Duct Temperature Sensor An optional duct temperature sensor provi des duct air temperature sensing inputs to the controller. For more information about temperature sensors, contact your local Siemens Building Technologies, Inc.
Siemens Building Technologies, Inc. 6 2 Applications Basic Operation The BACnet VAV Actuator provides Direct Digi tal Control (DDC) for Variable Air Volume (VAV) terminal box applications.
Siemens BACnet VAV Actuator Owner’s Manual Siemens Building Technologies, Inc. 7 Calibration Air Velocity Sensor - Calibration of the controller's internal air velocity sensor is periodically required to maintain accurate air velocity readings.
Applications 8 Siemens Building Technologies, Inc. Hot Water Reheat • When the controller is in cooling m ode, the heating valve(s) are closed. The heating loop modulates the heating valve(s) to warm up the room. In cooling mode, the heating valve is closed.
Siemens BACnet VAV Actuator Owner’s Manual Siemens Building Technologies, Inc. 9 Application 2560 VAV Cooling Only Overview In Application 2560, the controller modulates the supply air damper of the terminal box for cooling. In order for it to work properly, the central air-handling unit must provide cool supply air.
Applications 10 Siemens Building Technologies, Inc. Application 2561 VAV Cooling or Heating Overview In Application 2561, the controller modulates the supply air damper of the terminal box for cooling and heating.
Siemens BACnet VAV Actuator Owner’s Manual Siemens Building Technologies, Inc. 11 Application 2562 VAV with Electric Reheat or Baseboard Radiation Overview In Application 2562, the controller modulates t he supply air damper for the terminal box for cooling and controls stages of electric reheat or baseboard radiation for heating.
Applications 12 Siemens Building Technologies, Inc. BACnet Actuator Controller Modulating Damper Actuator TEC2562ACDR1 Air V elocity Sensor Supply Air Damper SAFETIES BY OTHERS 3 4 5 6 C Wall Swit ch (Opt.
Siemens BACnet VAV Actuator Owner’s Manual Siemens Building Technologies, Inc. 13 Application 2563 VAV with Hot Water Reheat Overview In Application 2563, the controller modulates the supply air damper of the terminal box for cooling and modulates a reheat valve (or valves ) for heating.
Applications 14 Siemens Building Technologies, Inc. BACnet Actuator Controller Modulating Damper Actuator TEC2563BCDR1 Air V elocity Sensor Supply Air Damper SAFETIES BY OTHERS 3 4 5 6 C Wall S witch (Opt.
Siemens BACnet VAV Actuator Owner’s Manual Siemens Building Technologies, Inc. 15 Application 2564 VAV Series Fan Powered with Electric Reheat Overview In Application 2564, the controller modulates the supply air damper of the terminal box for cooling and controls stages of el ectric reheat for heating.
Applications 16 Siemens Building Technologies, Inc. Application 2565 VAV Series Fan Powered with Hot Water Reheat Overview In Application 2565, the controller modulates the supply air damper of the terminal box for cooling and modulates a hot water valve for heati ng.
Siemens BACnet VAV Actuator Owner’s Manual Siemens Building Technologies, Inc. 17 Application 2566 VAV Parallel Fan Powered with Electric Reheat Overview In Application 2566, the controller modulates the supply air damper of the terminal box for cooling and controls stages of el ectric reheat for heating.
Applications 18 Siemens Building Technologies, Inc. Application 2567 VAV Parallel Fan Powered with Hot Water Reheat Overview In Application 2567, the controller modulates t he supply air damper of the terminal box to provide for cooling and modulates a hot wate r valve for heating.
Siemens BACnet VAV Actuator Owner’s Manual Siemens Building Technologies, Inc. 19 Application 2597 Slave Mode Overview Application 2597 is the slave mode applicati on for the BACnet VAV Actuator (P/N 550-430 and 550-431). Slave mode is the default applicat ion that comes up when power is first applied to the controller.
Siemens Building Technologies, Inc. 20 3 Point Database Overview Chapter 3 presents a description of the BACnet VAV Controller — Electronic Output point database, including point descriptors, point addresses, and a listing of applications in which each point is found.
Siemens BACnet VAV Actuator Owner’s Manual Siemens Building Technologies, Inc. 21 Descriptor Address 1 Application Description RM STPT MAX 12 All except 2597 The maximum temperature setpoint in degrees that the controller can use from the setpoint dial.
Point Database 22 Siemens Building Technologies, Inc. Descriptor Address 1 Application Description NGT OVRD {21} 2 All except 2597 Indicates the mode that the controller is operating in with respect to the overri de switch. NIGHT indicates that the switch has not been pressed and the override timer is not active.
Siemens BACnet VAV Actuator Owner’s Manual Siemens Building Technologies, Inc. 23 Descriptor Address 1 Application Description PARALLEL OFF 30 2566, 2567 When flow rises above this value, the parallel fan will turn OFF. CLG FLOW MIN 31 All except 2597 The minimum amount of air in CFM (LPS) to be supplied to the space in cooling mode.
Point Database 24 Siemens Building Technologies, Inc. Descriptor Address 1 Application Description DO 4 {44} All except 2562, 2564, 2566 Digital output 4 controls a 24 Vac load with an ON or OFF status. If Motor 2 is enabled, DO 4 is coupled with DO 3 to control an actuator.
Siemens BACnet VAV Actuator Owner’s Manual Siemens Building Technologies, Inc. 25 Descriptor Address 1 Application Description MTR2 POS {53} 2560, 2561, 2597 The current position of the Moto r 2 actuator in percent of full travel (for use as an auxiliary slave point).
Point Database 26 Siemens Building Technologies, Inc. Descriptor Address 1 Application Description HTG l GAIN 68 All except 2560, 2597 T he integral gain value fo r the heating temperature control loop. HTG D GAIN 69 All except 2560, 2597 T he derivative gain value for the heating temperature control loop.
Siemens BACnet VAV Actuator Owner’s Manual Siemens Building Technologies, Inc. 27 Descriptor Address 1 Application Description STAGE MIN 83 2562, 2564, 2566 The value, in percent, w hich the heating loop must go below for the electric heat to be OFF for the full duty cycle (STAGE TIME).
Point Database 28 Siemens Building Technologies, Inc. Descriptor Address 1 Application Description CAL AIR {94} All YES commands the controller to go through calibration sequence for the air velocity transducers. YES is also displayed w hen the calibration sequence is started automatically .
Siemens Building Technologies, Inc. 29 4 Troubleshooting This chapter describes corrective measures you can take should you encounter a problem when using a BACnet VAV Actuator.
Troubleshooting 30 Siemens Building Technologies, Inc. Safety Features The controller board stores the controller's addr ess, applications, and point values. In the event of a power failure or a reset, these val ues are retrieved from the controller's permanent memory and are used by the controller unle ss overridden by a field panel.
Siemens BACnet VAV Actuator Owner’s Manual Siemens Building Technologies, Inc. 31 Failure codes indicate the following possible problems. Room temperature sensor failed —CHK STATUS = 1 1. The cable for the room temperature s ensor may be unplugged or loose.
Troubleshooting 32 Siemens Building Technologies, Inc. 4. Box sizing information may be incorrect. Check the values of the following points and correct as needed: • DUCT AREA • FLOW COEFF • CLG FLOW MIN • CLG FLOW MAX 5. Motor setup information may be incorrect.
Siemens Building Technologies, Inc. 33 Glossary Overview The glossary contains terms and acrony ms that are used in this manual. For definitions of point database descriptors, see Chapter 3, Point Database, in this manual. AI Analog Input. A point receiving a signal t hat represents a condition that has more than two states.
Glossary 34 Siemens Building Technologies, Inc. control loop PID algorithm that is used to control an output that is based on a setpoint and an input reading from a sensor. DDC Direct Digital Control. DI Digital Input. Physical input point that receives a two-state signal (ON/OFF, OPEN/CLOSED, YES/NO).
Siemens BACnet VAV Actuator Owner’s Manual Siemens Building Technologies, Inc. 35 HMI Human Machine Interface. Terminal and its interface program that allows you to communicate with a field panel or equipment controller.
Glossary 36 Siemens Building Technologies, Inc. Terminal Equipment Controller Siemens Building Technologies, Inc. product family of equipment controllers (one is the BACnet VAV Controller - Electronic.
Siemens Building Technologies, Inc. 37 Index A air velocity sensor failure code ................................................... 30 troubleshoot ing ............................................. 31 Air Velocity S ensor ( AVS) ..................
Index 38 Siemens Building Technologies, Inc. Direct Digital Cont rol (DDC) ........................... 1, 6 DO .................................................................... 34 E English uni ts ...............................................
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Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Siemens BACNET 125-5037 . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
