Installation Instructions

Installation Instructions
Document No. 538-048
January 2, 2008
Flush Mount Room Temperature Sensor
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. Other product or company names mentioned herein may be the trademarks of their
respective owners. © 2008 Siemens Building Technologies, Inc.
Siemens Building Technologies, Inc.
1000 Deerfield Parkway
Buffalo Grove, IL 60089-4513
U.S.A.
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Product Description
These Flush Mount Room Temperature Sensors are
self-contained, non-intrusive and tamper-resistant.
They are available in both 10K ohm and 100K ohm
thermistor, and 1K ohm Platinum (375 α) RTD.
Product Numbers
536-784 100K ohm Thermistor
536-994 10K ohm Thermistor
544-374 1000 ohm Platinum (375 α) RTD
Required Tools
• 5/64 hex head Allen wrench
• Wire strippers/cutters
Expected Installation Time
5 minutes
Prerequisites
• 2-inch × 4-inch utility box, installed per
Mounting Instructions.
• Field wiring pulled to the utility box.
Mounting Instructions (Utility Box)
Select a location for the sensor based on the
following guidelines:
• Locate sensor near the middle of an inside
wall, approximately five feet (1.5 m) from the
floor.
• Do not mount:
− in direct sunlight or drafts, or near
diffusers.
− behind doors or drapes.
− on walls used as return air plenums.
Item Number 538-048, Rev DA
Installation
1. Connect the field wires to the sensor lead wires
using the wire nuts provided. See Figure 1.
Figure 1. Installing the Sensor.
2. Push all wires into the utility box.
3. Using the hex head Allen wrench, mount the
sensor assembly to the utility box with the
special security screws mounted on the sensor.
4. Connect the field wires to the appropriate
controller. See Figure 2.
The installation is now complete.
Figure 2. Wiring.
NOTE: 1. Some Siemens Building Technologies
controllers may require a shield
termination.
2. For individual panel wiring details, see
the appropriate hardware manual.
Document No. 538-048
Country of Origin: US
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