Data Sheet for Product

Information in this document is based on specifications believed correct at the time of publication. The right is reserved to make changes as
design improvements are introduced. Product or company names mentioned herein may be the trademarks of their respective owners.
© 2015 Siemens Industry, Inc.
Siemens Industry, Inc.
Building Technologies Division
1000 Deerfield Parkway
Buffalo Grove, IL 60089-4513
USA
Tel. 1 + 847-215-1000
comments about this document, please send them
to SBT_technical.editor.us.sbt@siemens.com.
Document No.149-1010
Printed in the USA
Page 3 of 3
Autozero Module Specifications
Power Consumption .75 VA @ 24 Vac max.
Dimensions 2" W x 1.51" H x 1.89" D
(58 mm x 78 mm x 29 mm)
Weight 1.3 oz. (36.9 g)
Autozero Module.
Product Ordering Information
Description
Product Part
Number
TEC Constant Volume Controller 540-103N
TEC Constant Volume Controller with
Autozero Module
540-104N
Small enclosure for electronic controller
without damper actuator (short board).
540-155
Document Information
Technical Specification Sheets/Technical
Instructions
Document Part
Number
Room Temperature Sensors – Series
2200
149-820
Room Temperature Sensors – Series
2000
149-321
Duct Temperature Sensor 149-134P25
Analog Sensors 100 K Ohm Thermistor 149-262
Siemens Valves
Document Part
Number
599 Series Zone Valves 2-Way, 3-Way
Zone Valve Electric
154-034
599 Series Zone Valves and Actuators
Modulating, On/Off Spring Return, 2-
Position Control
154-063
Siemens Electronic Actuators
Document Part
Number
OpenAir Electronic Damper Actuators,
GDE/GLB Series Non-spring Return
Rotary 24 Vac Modulating Control 0 to
10 Vdc
155-187P25
OpenAir Electronic Damper Actuators,
GDE/GLB Series Non-spring Return, 24
Vac Floating Control, Rotary
155-188P25
OpenAir GEB Series Non-spring Return,
24 Vac, 132 lb-in Rotary Electronic
Damper Actuators
155-318P25