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TABLE OF CONTENTS
Overview — Technical Description and Features . . .
1
Gas Heat Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
38
Installation and Setup . . . . . . . . . . . . . . . . . . . . . . . . .
3
Alerts and Troubleshooting . . . . . . . . . . . . . . . . . . . . .
40
Adjusting System Settings . . . . . . . . . . . . . . . . . . . . . .
3
Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
53
Identifying System Devices . . . . . . . . . . . . . . . . . . . . .
5
Configuring Air Handler Electric Heat . . . . . . . . . . . . .
56
Non-Communicating Equipment - Adding
Outdoor Unit, Dehumidifier and Humidifier . . . . . . . .
5
Typical Systems Setup . . . . . . . . . . . . . . . . . . . . . . . . .
57
Adjusting Equipment Parameters . . . . . . . . . . . . . . . .
8
Complete iComfort ® System - Adjusting
Humidification Settings . . . . . . . . . . . . . . . . . . . . . . . . .
14
iComfort ® System
Complete
- Adjusting
Dehumidification Settings . . . . . . . . . . . . . . . . . . . . . . .
16
Partial iComfort ® System - Adjusting Humidification
Settings (Non-Communicating Outdoor Unit) . . . . . .
18
Partial iComfort ® System - Adjusting Dehumidification
Settings (Non-Communicating Outdoor Unit) . . . . . . 19
Auxiliary Dehumidification (Communicating and
Non-Communicating Outdoor Units . . . . . . . . . . . . . .
20
Adjusting Zoning Control Settings . . . . . . . . . . . . . . . .
21
Using the Tests / Diagnostics Features . . . . . . . . . . .
23
Connecting to a Home Wi-Fi Router . . . . . . . . . . . . .
24
Troubleshooting Wi-Fi Connection . . . . . . . . . . . . . . .
25
Registering the Thermostat . . . . . . . . . . . . . . . . . . . . .
26
Account Registration for Server . . . . . . . . . . . . . . . . .
27
Using the Secure Web Portal
........................
27
..................................................
27
Skins
Screen-Saver
.........................................
27
Accessing Installer Screens and Changing
Equipment Parameters . . . . . . . . . . . . . . . . . . . . . . . . .
28
Stage Delay and Differential Settings
(Installer Settings) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
29
Smooth Setback Recover . . . . . . . . . . . . . . . . . . . . . .
30
Max Defrost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31
Heat Pump, Dual-Fuel, Duel-Fuel Tempering and
Balance Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
35
Modulating Outdoor Unit with Duel-Fuel . . . . . . . . . .
37
507343-01
iComfort ® Furnace and Air Conditioner . . . . . . . . . . .
iComfort ® Furnace and Heat Pump (Dual-Fuel) . . . .
iComfort ® Air Handler and Air Conditioner . . . . . . . .
iComfort ® Air Handler and Heat Pump . . . . . . . . . . .
iComfort ® Furnace and non-communicating
Air Conditioner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iComfort ® Furnace and Non-communicating
Heat Pump (Dual-Fuel) . . . . . . . . . . . . . . . . . . . . . . . .
iComfort ® Air Handler and Non-communicating Air
Conditioner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iComfort ® Air Handler and Non-communicating
Heat Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iComfort ® Equipment Interface Module . . . . . . . . . . .
Replacement iComfort® Controls . . . . . . . . . . . . . . . .
57
58
59
60
61
61
62
63
64
65
CAUTION
This is a 24VAC Class 2 thermostat. Do not install on
voltages higher than 30VAC.
Do not switch system to cool if the outdoor temperature is
below 45°F (7°C). This can damage the cooling system.
CAUTION
Electric shock hazard.
Always turn off power at the main power source by switching
the circuit breaker to the OFF position before installing or re­
moving this thermostat.
All wiring must conform to local and national building and
electrical codes and ordinances.
IMPORTANT !
Connections to non-communicating outdoor units and
accessories are described in the Quick-Start Installation
guide. Wiring diagrams are also provided beginning on page
53 of this manual.
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