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Document No. 129-416
Installation Instructions
October 5, 2009
4. Connect the field wiring to the sensor terminal
block on the base. See Figures 3 and 4 for
wiring diagrams.
Figure 1. Rh/T Outdoor Air Sensor Installation.
QFA3100
QFA3101
Figure 3. Wiring Diagrams for RH Sensors.
Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and
models as design improvements are introduced. Product or company names mentioned herein may be the trademarks of their respective
owners. © 2009 Siemens Industry, Inc.
Siemens Industry, Inc.
Building Technologies Division
1000 Deerfield Parkway
Buffalo Grove, IL 60089
+ 1 847-215-1000
5. Install the sensor onto the Shield as shown. See
The installation is now complete.
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SBT_technical.editor.us.sbt@siemens.com
Figure 1 (7).
Figure 2. Field Wiring.
QFA3160/QFA4160
QFA3171/QFA4171
Figure 4. Wiring Diagrams for RH/T Sensors.
Document No. 129-416
Printed in the USA
Page 2 of 2
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