Lux Products TX500U User Manual

SYSTEM COMPATIBILITY . . . . . . . . . 2
FEATURES . . . . . . . . . . . . . . . . . . . 3
TOOLS YOU MAY NEED . . . . . . . . . . . 3
MOUNTING LOCATION . . . . . . . . . . . 4
REMOVE OLD THERMOSTAT . . . . . . . 4
INSTALL THERMOSTAT BASE . . . . . . . 5
WIRING INFORMATION . . . . . . . . . . . 5
WIRING DIAGRAMS . . . . . . . . . . . . . 7
HARDWARE SETUP OPTIONS . . . . . . 16
COMPLETE THE INSTALL . . . . . . . . . 18
FRONT PANEL ITEMS . . . . . . . . . . . 18
OPERATING INSTRUCTIONS . . . . . . . 20
TEMPERATURE PROGRAMS . . . . . . . 22
ADVANCED FEATURES . . . . . . . . . . 23
BATTERY REPLACEMENT . . . . . . . . . 29
TECHNICAL ASSISTANCE. . . . . . . . . 30
LIMITED WARRANTY . . . . . . . . . . . 30
MERCURY NOTICE . . . . . . . . . . . . . 31
WARNING: Use Energizer
®
or DURACELL
®
Alkaline Batteries Only.
Energizer
®
is a registered trademark of Eveready Battery Company, Inc.
DURACELL
®
is a registered trademark of The Gillette Company, Inc.
© 2011 LUX PRODUCTS CORPORATION. ALL RIGHTS RESERVED
TX500U
SMART TEMP
®
UNIVERSAL
5/2-DAY PROGRAMMABLE THERMOSTAT
(FOR BOTH CONVENTIONAL AND HEAT PUMP SYSTEMS)
INSTALLATION AND OPERATING INSTRUCTIONS
IMPORTANT!
• Please read all of these instructions carefully before beginning
installation.
• Label every wire terminal designation on your existing thermostat
wiring before removing your old thermostat.
• Ignore the color of the wires since they may not comply with any
standard. Please connect wires using the terminal letter
designations.
Thank you for your confidence in our product. To obtain the best results
from your investment, please read and follow the installation procedures
carefully, and one step at a time. This will save you time and minimize the
chance of damaging either the thermostat or possibly your heating and
cooling system. These instructions may contain information beyond that
which may be required for your particular installation.
52105

Lux Products TX500U Specifications

General

Brand	Lux Products
Model	TX500U
Category	Thermostat
Language	English

Summary

System Compatibility

Remove Old Thermostat

Install Thermostat Base

Wiring Information

Wiring Diagrams

Hardware Setup Options

System and Type Configuration

Configures system type (furnace/heat pump) and operating mode (program/manual).

Programming, Display and Timing Settings

Sets temperature periods, display scale, time format, and minimum run time.

Early Recovery Feature

Battery Monitor and Fan Operation

Complete the Install

Front Panel Controls

System Mode Switch

Fan Mode Switch

Set Slide Switch

Operating Instructions

Setting Date and Time

Guides users on setting the current day and time on the thermostat.

Basic Operation Modes

Explains basic operation for heating and cooling modes with default schedules.

Emergency Heat Function

Temperature Programs

Setting Temperature Programs

Details the process of programming daily heating and cooling temperature schedules.

Advanced Features

Temperature Swing and Offset

Explains how to adjust temperature swing and offset for system cycling.

Temperature Calibration

Temperature Limit Stops

Keypad Lockout

System Resets

Technical Assistance

Limited Warranty