Wireless transmission considerations - Johnson Controls - WRZ-THJ - WRZ-THN - WRZ-TTJ - WRZ-TTK - WRZ-TTP - WRZ-TTR - WRZ-TTS - Wireless Device - WRZ one-to-one Wireless Room Sensing System

WRZ Series Wireless Room Sensors Installation Guide

Brand
Johnson Controls
Product name
WRZ one-to-one Wireless Room Sensing System
Document type
Installation Guide
Part number
24-10332-2
Document revision
V
Revision date
2020-07-09
Language
English

In addition to the typical thermostat and temperature control location considerations, follow these guidelines to locate a sensor in wireless applications:

  • Locate the sensor on the same building level as the nearest ZFR or ZFR Pro Series Router, or WRZ-7860 Receiver.
  • For best signal transmission, locate the sensor at least 51 mm (2 in.) away from any metal obstructions.
  • Wherever possible, locate the sensor in the direct line of sight to the ZFR or ZFR Pro Series Router, or WRZ-7860 Receiver. Signal transmission is best if the path between the sensor and the router or receiver is as direct as possible. Line of sight is preferred but not required, so long as large metal objects do not block the path.
  • Avoid metal obstructions, including equipment rooms and elevator shafts, and concrete or brick walls between the sensor and the ZFR or ZFR Pro Series Router, or WRZ-7860 Receiver.
  • Do not locate the sensor in recessed areas or metal enclosures.
  • In mesh network applications, install the sensors in range of two or more ZFR or ZFR Pro Series Routers. Redundancy in the layout provides the best reliability in wireless installations.
  • Do not mount the sensor closer than 0.61 m (2 ft) or farther than 30 m (100 ft) from the ZFR or ZFR Pro Series Router, or 45 m (150 ft) from the WRZ-7860 Receiver.
  • The optimum indoor line-of-sight transmission range between the sensor and the ZFR or ZFR Pro Series Router is 15 m (50 ft).