WRZ-THJ0000-2 Johnson Controls Wireless Room Sensor

Overview

The Johnson Controls WRZ-THJ0000-2 is a wireless room-mount temperature and humidity sensor designed for commercial building automation and HVAC control applications. Equipped with a digital display and setpoint adjustment buttons, it transmits environmental data wirelessly to simplify installation in both new construction and retrofit projects.

Features

• Wireless RF design operating on the 2.4 GHz ISM band
• Integrated LCD display to view zone temperature, relative humidity, and setpoints
• Setpoint adjustment buttons for warmer/cooler or scaled changes
• Manual occupancy override and Fahrenheit/Celsius toggle buttons
• Onboard wireless signal strength testing for optimal placement

Specifications

• Power: 3 VDC via two 1.5 VDC AA alkaline batteries (48-month typical life)
• Temperature Range: 55°F to 85°F (13°C to 29°C)
• Humidity Accuracy: ±3% RH across 20% to 80% RH range
• Transmission: 10 mW maximum power utilizing ZigBee wireless protocol
• Enclosure: NEMA 1 white plastic housing

Applications

• Commercial HVAC zone-level environmental monitoring
• Building automation and energy management system integration
• Retrofit installations where running wires is impractical
• Office buildings, schools, healthcare facilities, and light commercial spaces