Table of Contents
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Trane XR203
Programmable Thermostat
TCONT203AS42MA
Installation and User Guide
ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES
IMPORTANT — This Document is customer property and is to remain with this unit.
These instructions do not cover all variations in systems or provide for every possible contingency to be met in connection with
the installation. Should further information be desired or should particular problems arise which are not covered sufficiently
for the purchaser's purposes, the matter should be referred to your installing dealer or local distributor.
Pub No. 18-HD50D1-1A-EN
Part No. 37-7768003
December 2018
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Table of Contents
Related Manuals for Trane TCONT203AS42MA
Summarization of Contents
General Information
Overview of Trane XR203 Thermostat
Overview of the programmable push button thermostat and its modes.
Package Contents
Lists the items included in the thermostat package.
Available Accessories
Lists available accessories for the thermostat.
Installation Guide
Thermostat Location Selection
Guidelines for selecting the optimal location for thermostat installation.
Mounting and Installation Procedures
Steps for mounting the thermostat control to the wall.
Battery Installation Location
Illustrates the location for installing batteries in the thermostat.
Battery Replacement Instructions
Instructions on how to replace the thermostat's batteries.
Wiring Diagrams for System Configurations
Provides wiring diagrams for various heat pump and cooling systems.
Installer Menu Configuration Options
Accesses advanced settings to configure system performance.
Test Modes for HVAC System
Fan Operation Testing
Steps to test the fan operation of the HVAC system.
Heating System Testing
Procedures for testing the heating system and auxiliary heat.
Auxiliary System Testing
Tests the auxiliary heating system on heat pumps.
Cooling System Testing
Steps to test the cooling system operation.
Thermostat User Guide
Thermostat Buttons and Switches Explained
Identifies and explains the function of each thermostat button.
Understanding the Thermostat Display
Explains the various icons and indicators shown on the thermostat display.
User Menu Settings and Customization
Details the user menu options for customizing thermostat settings.
Setting Time, Day, and Holds
Explains how to set the current time, day, and manage temperature holds.
Schedule Programming and Settings
Describes the factory programmed energy saving schedules.
Modifying Heating Schedule
Guides on how to change the heating schedule settings.
Modifying Cooling Schedule
Guides on how to change the cooling schedule settings.
Resetting Thermostat Settings
Information on resetting thermostat settings to factory defaults.
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