Contents
TH303
Programmable Thermostat
Owner’s Guide
Overview
Table of contents
Installation
Configuration
SUPPLIED PARTS
About your new thermostat
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Quick reference to controls
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Quick reference to screen display
Heating intensity indicator No icon appears when heating is off
Setpoint temperature see page Ambient temperature
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Removing the faceplate
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Wiring
2-wire installation
4-wire installation
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Installing the thermostat
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Quick Start-up / Setting the clock and date
and is now controlling the temperature
Your new thermostat is already preprogrammed
Temporary override
Automatic Auto mode
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Manual Man mode
Set temperature
To place the thermostat in Manual Man mode
Away mode
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Countdown mode
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Default schedule
Temperature
Temperature
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Modifying the schedule
To modify the schedule, proceed as follows
Display
Configuration parameters
Default setting
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1 Fan
Configuration parameters cont’d
2 Away temperature
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temperature
Configuration procedure
Configuration Menu
temperature
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In case of difficulty
PROBLEM
SOLUTIONS
To reset the thermostat, press both Down and Select buttons and hold
Customer assistance
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Minimum load
Specifications
Setpoint/display resolution ±0.5C ±1F
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400-303-000-C
3-year limited warranty