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ManualsBrandsSiemens ManualsRoom controlsWireless Field Level Network (WFLN) Technical Specification Sheet
12
Quick Reference
Document No. 149-486
November 2, 2015
Siemens Indusrty, Inc.
Page 1 of 2
Wireless Room Sensor (WRS)
Overview
The Wireless Room Sensor (WRS) works with the building’s environmental controls to
regulate temperature for a specific area. Three WRS models are available: Sensing
Only, Sensing with Display, and Full-Featured—Sensing with Display, Override, and
Setpoint.
NOTE:
The RJ-11 jack on the bottom of the WRS is for building system tools only. Do not plug
a phone into the WRS.
Operation
Figure 1. Display and
Buttons on a Full
Featured-No Logo
WRS.
The full-featured WRS has a display and buttons that you can use to view and change
WRS information.
NOTE:
To conserve battery power, the WRS may be configured so its display turns on only after
a button is pushed. After approximately five seconds, the display turns off, unless a
button is pushed again.
Viewing the Current Temperature
If the WRS display is off and you want to view the current temperature reading, press
any of the buttons once. The current temperature displays for approximately five
seconds.
Viewing and Changing the Setpoint
The setpoint is the target temperature for an area. To view or change the setpoint
:
• Push the + or – button once (twice if the display is off) to view the current setpoint.
• Push the + or – button until you see the temperature you want if you want to change
the setpoint.
Overriding the Occupancy Mode
The Occupancy mode determines the settings used to heat or cool an area. The WRS
shows whether the area is in Occupied
or Unoccupied mode. Building control
systems use Unoccupied mode to conserve energy when an area is not being used.
You can override the Occupancy mode and request Occupied mode when you are using
an area outside of normal operating times, such as at night or during the weekend. To
temporarily override the system and change an area from Unoccupied mode to
Occupied mode:
Push the button once (twice if the display is off).
The Occupancy mode icon on the display panel blinks while the request is
communicated to the building control system, and then
displays to indicate the
area is set for Occupied mode.

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