Johnson Controls WRZ Series User Manual

Installation
To install the WRZ Series Sensors, follow these guidelines:
• Transport the sensor in the original container to
minimize vibration and shock damage.
• Verify that all the parts shipped with the sensor.
• Do not drop the sensor or subject it to physical shock.
• Do not attempt to remove or repair the circuit
board from the sensor housing. Other than battery
replacement, the sensor is not user-serviceable.
Parts included
• One WRZ Series Sensor with strips of double-sided
adhesive foam tape installed
• One DIP switch overlay for a mesh network application
that uses a ZFR or ZFR Pro Series Router
• One DIP switch overlay for a one-to-one application
that uses a WRZ-7860 Receiver.
• One installation guide
• Two AA alkaline batteries
Special tools needed
• 1.6 mm (1/16 in.) Allen-head adjustment tool (Johnson
Controls
®
T-4000-119; order separately) for the tamper-
resistant set screw that secures the sensor to the
mounting base
• Straight-blade screwdriver or coin to unlock the sensor
housing from the mounting base locking tab
Dimensions
See the following figures for dimensions and physical
features of the WRZ Series Sensors.
Figure 1: WRZ Series Sensor with LCD and setpoint
adjustment buttons and dimensions, in. (mm)
Figure 2: WRZ Series Sensor with LCD and setpoint
adjustment dial and dimensions, in. (mm)
Note: Not all features shown are available on all
models. See Table 5 for sensor model specifications.
Mounting
Use the adhesive tape pieces affixed to the back of the
sensors to surface mount the WRZ Series Sensors.
Location considerations
Temperature sensor considerations
To locate a WRZ Series Sensor, follow the same best
practices used to locate a hard-wired temperature control,
sensor, or thermostat:
• Mount the sensor on an interior wall where it is easily
accessible, at least 1.4 m (55 in.) above the floor, in an
area where the temperature is representative of the
entire controlled space.
• Avoid enclosed or recessed locations and locations
behind curtains, doors, or other obstructions to the
controlled space.
• Avoid locations near entry foyers, doors, windows,
supply air ducts, and pipes.
• Avoid locations exposed to drafts, direct sunlight, and
other sources of heat or cold.
• Avoid locations exposed to excessive vibration.
Wireless transmission considerations
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.
WRZ Series Wireless Room Sensors Installation Guide2

Johnson Controls WRZ Series Specifications

General

Brand	Johnson Controls
Model	WRZ Series
Category	Accessories
Language	English