506052−01 11/09
Page 2
Table of Contents
icomfort
Thermostat Terms and Acronyms
3
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icomfort
Technical Description
4
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icomfort
Thermostat Features
5
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Installing icomfort
Thermostat
5
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Installer setup
6
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System settings
7
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Setting time and date
8
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Add/remove
/modify
non−communicating devices
9
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Modify communicating device settings
10
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Indoor air quality controls
12
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Tests
14
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Diagnostics
17
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Alerts
18
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Access installer program from User Home screen
22
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Reconfiguring a system
23
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Editable parameters table (user and Installer)
25
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Alarm Codes and Descriptions
31
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Wiring Diagrams
36
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WARNING
Always turn off power at the main power source by switching the
circuit breaker to the OFF position before installing or removing
this thermostat.
All wiring must conform to local and national building and electri-
cal codes and ordinances.
Do not switch system to cool if the outdoor temperature is below
45°F (7°C). This can damage the cooling system.
CAUTION
This is a 24VAC low−voltage thermostat. Do not install on volt-
ages higher than 30VAC.
Do not short (jumper) across terminals on the gas valve or at the
system control to test installation. This will damage the thermo-
stat and void the warranty.
IMPORTANT
Read this manual before programming this thermostat.
Use this thermostat only as described in this manual.