RCS Technology TZ45 Z-Wave Communicating Thermostat — Specifications

Product specifications for the RCS Technology TZ45 — a Z-Wave communicating thermostat with all-in-one design for standard or heat pump HVAC systems.

Overview

The TZ45 is a Z-Wave wireless digital thermostat designed to control the majority of residential HVAC systems, with a robust thermostat interface for communicating systems where remote monitoring and/or remote control are desired.

Key Features

• All-in-one design, Z-Wave compatible
• Compatible with standard or heat pump HVAC systems
• Programmable 4×7 day schedule with multiple schedules
• 128×64 backlit graphical LCD display
• 6 buttons with on-screen labels
• Remote control of all thermostat functions
• Optional remote sensors (up to 2 indoor units)
• Wall mount or single-gang junction box mount

Thermostat Features

• Graphical LCD with white backlight; Heating and Cooling setpoint display
• System Mode: Off, Auto, Heat, Cool
• Fan Mode display and control: Auto, On
• On-screen setup of HVAC type, fan type, changeover type (heat pump systems), F/C mode, and sensor calibration
• Fan Cycler feature

Technical Specifications

HVAC System Compatibility

• Central HVAC systems or separate heating/cooling systems with separate RH/RC transformers (split systems)
• Standard gas/electric HVAC: 2-stage heating, 2-stage cooling
• Heat pump HVAC: 3-stage heating, 2-stage cooling
• Fan system selectable for gas or electric heat
• Heat pump changeover valve (reversing valve) selectable: change-over with heat or change-over with cool (O or B output)
• Emergency Heat mode selectable in heat pump mode
• Compressor short-cycle protection delay of 6 minutes (adjustable)
• Automatic heating and cooling changeover

Remote Sensors

Supports up to 2 indoor remote sensors. A remote sensor can replace the internal sensor or provide averaging with it.

Wiring & Power

• Wiring: 18 AWG, standard thermostat connections (C, R, W1, W2, Y1, Y2, G)
• Power: 24VAC — requires both 24VAC (R) and 24VAC common (C) wires from the HVAC system

Dimensions

6" × 4" × 3/4"

Model Information

Model TZ45 Z-Wave Thermostat, PN: 001-01773 — RCS Technology, Inc., 11481 Sunrise Gold Circle, Rancho Cordova, CA 95742.