Typical Systems Setup; Furnace And Air Conditioner - Lennox iComfort Wi-Fi Setup Manual

Typical Systems Setup

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Complete iComfort Systems — Furnace and Air Conditioner
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An iComfort gas furnace (G71MPP, EL296V, SLP98, SL280)
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with an iComfort air conditioner (XC17, XC21 or XC25 only)
unit.
1. Wiring—See Communicating System and optional
accessories Wiring diagrams.
• 4-conductor thermostat wire from the iComfort Wi-Fi
thermostat to the gas furnace (R, i+, i-, C)
• 4-conductor thermostat wire from the integrated
furnace control (IFC) terminal strip to the iComfort
air conditioner unit (R, i+, i-, C)
• Wiring as required for accessories
2. DO NOT cut any option link on air handler control.
3. After the entire system is wired, power up the system; the
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iComfort Wi-Fi thermostat will check the system for
installed communication devices.
4. On the thermostat, go past the "Add or remove
non-communicating devices" to the "To adjust a setting"
screen.
•
An outdoor temperature sensor is provided in an iComfort
the home screen of the thermostat, you must turn on (or off) the "Outdoor Temp Display". From the Home screen, press
press for more area and select the HELP icon. Press the user preferences box and scroll down to "Outdoor Temp
Display". Press the modify button and use the up/down arrows to select On (or Off) and then press the save button. Press
done to return to the Home screen.
•
Turn the Indoor Humidity Display on and off in a similar manner as above.
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iComfort Wi-Fi
5. Use the arrows to select Furnace from system devices
list; press edit. From this furnace screen you will have
access to the various airflow settings. Set the system air
volumes according the needs of the home. When you
change certain settings, the system will prompt you to
"please view and save all red settings". Use the arrows to
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select the red settings and press edit. Either make
changes or not, but press save either way. The red
settings will go away after pressing save. When all CFM
®
settings are complete, press the back button. Press next
step to advance to the tests button.
6. Using up/down arrows, select the test options individually
(if so desired, you may choose to TEST ALL) and press
the select button. (If selecting individual tests, repeat until
you have selected all you intend to run.)
7. Press the start button. Confirm the air conditioning unit is
electrically energized and operational. Press done.
8. Exit the installer setup mode by selecting the EXIT button.
TIPS
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air conditioning unit. To display the outdoor temperature on
7-Day Programmable Communicating Thermostat
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