Document No. 129-416
Installation Instructions
October 5, 2009
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
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Buffalo Grove, IL 60089
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Document No. 129-416
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4. Connect the field wiring to the sensor terminal
block on the base. See Figures 3 and 4 for
wiring diagrams.
5. Install the sensor onto the Shield as shown. See
Figure 1 (7).
The installation is now complete.
Figure 1.
Rh/T Outdoor Air Sensor Installation.
Figure 2. Field Wiring.
QFA3100
QFA3160/QFA4160
QFA3101
Figure 3. Wiring Diagrams for RH Sensors.
QFA3171/QFA4171
Figure 4. Wiring Diagrams for RH/T Sensors.