RCS TZ43 User Manual

Model TZ43
ZWave Thermostat
INSTALLATION
AND
OPERATION MANUAL
DCN: 141-01652-04
10/06/08
*** IMPORTANT NOTICE ***
DO NOT USE THIS PRODUCT FOR BUILDING FREEZE PROTECTION! YOU ARE ADVISED TO
INSTALL A MECHANICAL FREEZE PROTECTION DEVICE ON YOUR SYSTEM FOR THIS PURPOSE.
RCS

RCS TZ43 Specifications

General

Power	24VAC
Operating Modes	Heat, Cool, Auto, Off
Fan Modes	Auto, On
Display	LCD
Mounting	Wall Mount
Type	Programmable
Accuracy	+/- 1°F (+/- 0.5°C)
Compatibility	Single Stage

Summary

Important Safety Notice

Product Specifications

Document Revision History

Records changes made to the manual across different revisions.

Thermostat Overview

Display Operation Modes

Describes the main, minimized, and other display screens available on the thermostat.

Backlight Functionality

Details how the backlight can be controlled for visibility.

Z-Wave Integration

General Inclusion Procedure

Step-by-step guide to add the thermostat to a Z-Wave network.

Inclusion and Exclusion Process

Explains how to add or remove the thermostat from a Z-Wave network.

Thermostat Operation

Control Buttons and Screen Navigation

How to use buttons and navigate between different thermostat screens.

LED Status Indicators

Explains the meaning of the four LEDs for system status.

Thermostat Control Screen Details

Display Elements (Temperature, Setpoint, Clock)

Details on displaying current temperature, setpoints, and the clock.

Optional Outside Temperature Display

Displays outdoor temperature if an RS2 Remote Sensor is attached and configured.

Button Functions (MODE, FAN, RUN/HOLD)

Explains the operation of the MODE, FAN, and RUN/HOLD buttons.

LED Display Descriptions

Detailed explanation of each LED's meaning and associated status indicators.

Main Menu and Settings

Main Menu Navigation

How to access and navigate the main menu options.

Schedule Configuration

Setting custom and preset schedules, including copying functionality.

User Settings Management

Customizing clock, filters, sensors, display, and backlight preferences.

Thermostat Information

Viewing firmware, Z-Wave settings, and HVAC system configuration.

Installer Settings

Accessing and Using Installer Settings

How to access the hidden installer menu and basic settings.

HVAC and Advanced Configuration

Configuring system type, stages, deltas, timing, sensors, and Z-Wave installation.

Installer Settings Summary Table

A consolidated table of all installer settings with ranges and defaults.

HVAC System Integration

System Compatibility and Operation Modes

Compatibility with standard/heat pump systems and general operation principles.

Heat Pump Specifics and Timing Controls

Heat pump setup, changeover, MRT, and MOT functions.

Installation and Wiring

Remote Sensor Installation

Guide for installing and configuring remote temperature sensors.

Power Supply and Wiring Connections

Details on 24VAC power, transformer wiring, and system-specific diagrams.

System Testing

HVAC System Quick Test Procedures

Steps to test HVAC system functionality by shorting thermostat terminals.

Technical Reference

Thermostat Wiring Diagram

Visual guide of thermostat connections to HVAC system terminals.

Z-Wave Command Classes and Variables

Details supported Z-Wave command classes and a table of TZ43 variables.