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Table 3: Accessories Ordering Information

Code number

Description

FX-WRZSST-120

Wireless Sensing System Tool: For Use with an FX-WRZ Series Sensor,

to Function as a Site Survey Tool for the FX-WRZ7860-0 One-to-One

Room Sensing System, or for the FX-ZFR Wireless Field Bus System

T-4000-119

Allen-Head Adjustment Tool: 1.6 mm (1/16 in.), 30 Tools for Each Bag

Technical specifications

Table 4: FX-WRZ Series Wireless Room Sensors

Product Codes

FX-WRZTHJ00-0: 

Temperature/Humidity Sensor with Display, Up/

Down Setpoint Adjustment Buttons, °C/°F Button, Relative Humidity

(RH) Button, and Occupancy Button

FX-WRZTTJ00-0: 

Temperature Sensor with Display, Up/Down Setpoint

Adjustment Buttons, °C/°F Button, and Occupancy Button

FX-WRZTTK00-0: 

Temperature Senor with Display, Up/Down Setpoint

Adjustment Buttons, °C/°F Button, Fan Speed Control Button, and

Occupancy Button

Power Requirements

3 VDC Supplied by Two 1.5 VDC AA Alkaline Batteries (Included with

Sensor); Typical Battery Life: 48 Months (36 Months Minimum)

Addressing

DIP Switches, Field Adjustable.

MS/TP Address, Network Number, and Zone Address

Ambient Conditions

Operating: 

0°C to 50°C (32°F to 122°F), 5% to 95% RH,

Noncondensing

Storage:

 

-

40°C to 71°C (

-

40°F to 160°F), 5% to 95% RH, Noncondensing

Wireless Band

Direct-Sequence Spread-Spectrum, 2.4 GHz ISM Band

Transmission Power

10 mW Maximum

Transmission Range

30 m (100 ft) Maximum Line of Sight;

15 m (50 ft) Recommended

Transmissions

Every 60 Seconds (±20 Seconds)

Temperature System

Accuracy

0.6°C/1.0°F Over the Range of 13°C to 29°C (55°F to 85°F);
0.9°C /1.5°F Over a Range of 0°C to 13°C (32°F to 55°F) and 29°C to

43°C (85°F to 110°F)

Temperature Sensor Type

Internal 10k ohm Negative Temperature Coefficient (NTC) Thermistor

Humidity Calibrated

Range

10% to 90% RH at 23°C (73°F)

Humidity Accuracy

3% across the range of 20% to 80%; 4% across the ranges 10% to 20%

and 80% to 90%

Materials

NEMA 1 White Plastic Housing

Mounting

Screw Mount or Double-Sided Adhesive Foam Tape Mount;
Double-Sided Adhesive Foam Tape Included

Dimensions

120 mm x 80 mm x 38 mm (4-3/4 in. x 3-1/32 in. x 1-1/2 in.)

Shipping Weight

0.14 kg (0.3 lb)

Temperature and Relative Humidity FX-WRZ Series Wireless Room Sensors Installation Instructions

12

Summary of Contents for FX-WRZ Series

Page 1: ...s only The FX WRZ Sensors use direct sequence spread spectrum RF technology and operate on the 2 4 GHz Industrial Scientific and Medical ISM band The receiver meets the Institute of Electrical and Electronics Engineers IEEE 802 15 4 standard for low power low duty cycle RF transmitting systems Important Use the FX WRZ Series Sensors only to provide an input to equipment under normal oper ating con...

Page 2: ...al 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 FX WRZ Series Sensor with strips of double sided adhesive foam tape installed One DIP switch overlay for a mesh network application using an FX ZFR18xx Series Router One DIP switch overlay for a One to One application using an FX...

Page 3: ...o excessive vibration Wireless transmission considerations In addition to the typical thermostat and temperature control location considerations follow these guidelines for locating a sensor in wireless applications Locate the sensor on the same building level as the nearest FX ZFR18xx Series Router or FX WRZ7860 Receiver For best signal transmission locate the sensor at least 51 mm 2 in away from...

Page 4: ...l Reverse the steps to install the housing 3 Peel off the protective paper from one side of the factory installed strips of adhesive foam tape on the back of the mounting base 4 When positioned correctly the arrow between the terminal slots on the inside of the mounting base should point up Ensure that the mounting base is upright tamper resistant set screw on top and press the base firmly onto th...

Page 5: ... foam tape is required to remount the base on the surface use Can Do National Tape Code No 99116 adhesive foam tape or its equivalent Preparing the FX WRZ Series Sensor for operation To prepare the FX WRZ Series Sensor for operation and to reinstall the sensor housing on its mounting base 1 Place the appropriate DIP switch overlay based on the application over the DIP switches See Figure 3 through...

Page 6: ...nformation on commissioning multiple FX WRZ Series Sensors in an FX ZFR Series Wireless Field Bus Sys tem a Set the POWER switch to OFF b Set the MODE switch to MESH c Set the PAN OFFSET switches according to the job or system plans Important Ensure that the PAN OFFSET is the same for each FX ZFR18xx Series Coordinator FX ZFR18xx Series Router and FX WRZ Series Sensor in a mesh network See Figure ...

Page 7: ...t the TRANSMIT LEVEL switch to 10 mW For a One to One network application with an FX WRZ7860 Receiver Figure 4 set the DIP switches as indicated ensuring that the AREA and TRANSMITTER ID switches on the FX WRZ7860 Receiver and the FX WRZ Series Sensors are set to the same value a Set the POWER switch to OFF b Set the MODE switch to 1 to 1 7 Temperature and Relative Humidity FX WRZ Series Wireless ...

Page 8: ...of the mounting base with the slots on the bottom edge of the sensor housing and rotate the sensor assembly onto its mounting base Reverse the procedure shown in Figure 2 6 Use a 1 6 mm 1 16 in Allen wrench or Johnson Controls T 4000 119 Allen Head Adjustment Tool to tighten the tamper resistant set screw and secure the sensor assembly onto its mounting base Figure 2 Testing signal strength Once t...

Page 9: ...ical Bulletin LIT 12011660 FX WRZ7860 One to One Wireless Sensing System Technical Bulletin LIT 12011663 Temperature setpoint adjustment You can use the temperature setpoint adjustment buttons on the face of the network sensor to adjust the temperature setpoint Press the up arrow button to increase the setpoint or the down arrow to decrease it The new setpoint stops flashing and becomes fixed afte...

Page 10: ...orarily sets the space to an occupied state Second it checks the wireless signal strength of the sensor The LED on the sensor flashes 3 times to indicate a strong signal 2 times to indicate a good signal or 1 time to indicate a marginal signal For sensors with an LCD display a number of bars on the display indicates wireless signal strength 3 bars for a strong signal 2 bars for a good signal or 1 ...

Page 11: ... battery condition to the receiver or controller which relays the low battery condition to the system Battery strength can also be checked at the FX WRZ Series Sensor by pressing and holding the manual occupancy override button Figure 1 If the battery level and signal strength LED at the sensor is on while pressing and holding the button the battery power is acceptable If the LED is off while pres...

Page 12: ... Addressing DIP Switches Field Adjustable MS TP Address Network Number and Zone Address Ambient Conditions Operating 0 C to 50 C 32 F to 122 F 5 to 95 RH Noncondensing Storage 40 C to 71 C 40 F to 160 F 5 to 95 RH Noncondensing Wireless Band Direct Sequence Spread Spectrum 2 4 GHz ISM Band Transmission Power 10 mW Maximum Transmission Range 30 m 100 ft Maximum Line of Sight 15 m 50 ft Recommended ...

Page 13: ...liance Mark RCM Australia NZ Emissions Compliant The performance specifications are nominal and conform to acceptable industry standard For application at conditions beyond these specifications consult the local Johnson Controls office Johnson Controls shall not be liable for damages resulting from misapplication or misuse of its products Points of single contact APAC Europe NA SA JOHNSON CONTROLS...

Page 14: ... 2019 Johnson Controls All rights reserved All specifications and other information shown were current as of document revision and are subject to change without notice www johnsoncontrols com ...

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