Siemens BACNET 125-5037 User manual

Siemens BACnet
VAV Actuator
Owner’s Manual
125-5037 Rev. AA, February 2008

Rev. AA, February 2008
NOTICE
The information contained within this document is subject to change without notice and should not be construed as a
commitment by Siemens Building Technologies, Inc. Siemens Building Technologies, Inc. assumes no responsibility
for any errors that may appear in this document.
All software described in this document is furnished under a license and may be used or copied only in accordance
with the terms of such license.
WARNING
This equipment generates, uses, and can radiate radio frequency energy and if not installed and used in accordance
with the instructions manual, may cause interference to radio communications. It has been tested and found to
comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules. These limits are designed to
provide reasonable protection against such interference when operated in a commercial environment. Operation of
this equipment in a residential area is likely to cause interference in which case users at their own expense will be
required to take whatever measures may be required to correct the interference.
SERVICE STATEMENT
Control devices are combined to make a system. Each control device is mechanical in nature and all mechanical
components must be regularly serviced to optimize their operation. All Siemens Building Technologies branch offices
and authorized distributors offer Technical Support Programs that will ensure your continuous, trouble-free system
performance.
For further information, contact your nearest Siemens Building Technologies, Inc. representative.
Copyright 2008 by Siemens Building Technologies, Inc.
TO THE READER
Your feedback is important to us. If you have comments about this document, please send them to
SBT_technical.editor.[email protected]
CREDITS
Product or company names mentioned herein may be the trademarks of their respective owners.
Country of Origin: US

Siemens Building Technologies, Inc. I
Table of Contents
How To Use This Manual..............................................................................................V
Manual Organzation......................................................................................................V
Manual Conventions.....................................................................................................VI
Manual Symbols............................................................................................................VI
Getting Help...................................................................................................................VI
Where To Send Comments..........................................................................................VI
Product Overview .........................................................................................................1
Introduction................................................................................................................1
Ordering Notes........................................................................................................1
Hardware Inputs ........................................................................................................2
Analog.....................................................................................................................2
Digital ......................................................................................................................2
Hardware Outputs......................................................................................................2
Analog.....................................................................................................................2
Digital ......................................................................................................................3
Power Wiring...........................................................................................................3
Communication Wiring............................................................................................4
Controller LED Indicators........................................................................................4
Temperature Sensors................................................................................................4
Room Temperature Sensor.....................................................................................4
Duct Temperature Sensor.......................................................................................5
Related Equipment..................................................................................................5
Applications...................................................................................................................6
Basic Operation .........................................................................................................6
Sequencing Logic (optional)......................................................................................6
Control Temperature Setpoints..................................................................................6
Day/Night Mode.........................................................................................................6
Night Mode Override Switch......................................................................................6
Control Loops.............................................................................................................6
Calibration..................................................................................................................7
Damper Status Operation..........................................................................................7

Table of Contents
II Siemens Building Technologies, Inc.
Fail-safe Operation ....................................................................................................7
Heating and Cooling Switchover ...............................................................................7
Modulate Damper During Heating Mode (optional)...................................................7
Hot Water Reheat......................................................................................................8
Electric Reheat...........................................................................................................8
Notes..........................................................................................................................8
Application 2560 VAV Cooling Only............................................................................9
Overview....................................................................................................................9
Application 2561 VAV Cooling or Heating..................................................................10
Overview....................................................................................................................10
Application 2562 VAV with Electric Reheat or Baseboard Radiation......................11
Overview....................................................................................................................11
Baseboard Radiation.................................................................................................11
Electric Heat Interlock................................................................................................11
Application 2563 VAV with Hot Water Reheat ...........................................................13
Overview....................................................................................................................13
Application 2564 VAV Series Fan Powered with Electric Reheat............................15
Overview....................................................................................................................15
Fan Operation............................................................................................................15
Application 2565 VAV Series Fan Powered with Hot Water Reheat........................16
Overview....................................................................................................................16
Fan Operation............................................................................................................16
Application 2566 VAV Parallel Fan Powered with Electric Reheat..........................17
Overview....................................................................................................................17
Fan Operation............................................................................................................17
Application 2567 VAV Parallel Fan Powered with Hot Water Reheat......................18
Overview....................................................................................................................18
Fan Operation............................................................................................................18
Application 2597 Slave Mode.......................................................................................19
Overview....................................................................................................................19
Using Auxiliary Points................................................................................................19
Using the Controller as a Point Extension Device.....................................................19

Siemens BACnet VAV Actuator Owner’s Manual
Siemens Building Technologies, Inc. III
Point Database..............................................................................................................20
Overview....................................................................................................................20
Troubleshooting............................................................................................................29
Basic Service Information..........................................................................................29
Preventive Maintenance............................................................................................29
Safety Features..........................................................................................................30
Controller LEDs..........................................................................................................30
Automated Checkout....................................................................................................30
Glossary.........................................................................................................................33
Overview....................................................................................................................33
Index...............................................................................................................................37

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 familiar with the Siemens BACnet VAV Actuator
and its applications.
This section covers manual organization, manual conventions, symbols used in the manual,
and other information that will help you use this manual.
Manual Organzation
This manual contains the following chapters:
•Chapter 1, Hardware, describes the hardware components and the accessories that
are used with the BACnet VAV Actuator.
•Chapter 2, Applications for BACnet VAV Actuator, describes the control applications
available in the model of the BACnet VAV Actuator that includes a terminal block for
wireable input/output connections.
•Chapter 3, Point Database, defines the point database descriptors and includes
address and applications.
•Chapter 4, Troubleshooting, describes basic corrective measures you can take
should you encounter a problem when using the BACnet VAV Actuator. For issues
not covered in this chapter, consult your local Siemens Building Technologies, Inc.,
representative.
•The Glossary describes the terms and acronyms used in this manual.
•The Index helps you locate information presented in this manual.

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.
Type Ffor Field panels.
Click OK to save changes and close the dialog box.
Error and system
messages are
displayed in Courier
New font.
The message Report Definition successfully renamed
appears in the status bar.
New terms appearing
for the first time are
italicized.
The Open Processor continuously executes a user-defined set of
instructions called the control program.
Manual Symbols
The following table lists the symbols used in this owner’s manual to draw your attention to
important information.
Notation Symbol Meaning
WARNING:
Indicates that personal injury or loss of life may occur to the
user if a procedure is not performed as specified.
CAUTION:
Indicates that equipment damage or loss of data may occur if
the user does not follow a procedure as specified.
Getting Help
For more information about the BACnet VAV Actuator, contact your local Siemens Building
Technologies, Inc. representative.
Where To Send Comments
Your feedback is important to us. If you have comments about this manual, please submit
them to [email protected].