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PARTIAL ICOMFORT™ SYSTEMS
ICOMFORT™ FURNACE AND NON-COMMUNICATING LENNOX (CONVENTIONAL) AIR CONDITIONER
An iComfort-enabled gas furnace (G71MPP, EL296V, SLP98, SL280) with a
conventional non-communicating air conditioner.
1. Wiring—See Communicating Indoor / Non- Communicating Outdoor
System Wiring diagram on on page 35 and Optional Accessories Wiring
on page 37 for any accessories being installed with the system.
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4-conductor thermostat wire from the iComfort Wi-Fi
gas furnace (R, i+, i-, C)
Conventional thermostat wire with 2 to 4 conductors from the furnace
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terminal strip to the AC unit (Y1, C, & on some models, R & Y2)
Wiring as required for accessories
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2. Cut option link "2-stage compr" (Y1 to Y2, W915) on furnace control on
two-stage AC units only.
3. After the entire system is wired, power up the system; the iComfort Wi-Fi
thermostat will check the system for installed communication devices.
4. In the installer setup button, select "Add or Remove non-communicating
equipment" by using the yes button.
5. Select the "Outdoor Unit Type" from the device list using the up/down arrows
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If the thermostat "System Setting" only shows "heat only" or "off" choices and does not offer a choice for "cooling" you must "Install" the non-communicating air
conditioning unit. Select "Add or Remove non-communicating" under the setup button in the Installer Section. Select "Outdoor Unit Type", press the edit button
and then choose "1 Stage AC" or "2 Stage AC" and press the save button.
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On two-Stage Air Conditioners you must cut the "W915 2 Stage Compr" link on the furnace control.
ICOMFORT™FURNACE AND NON-COMMUNICATING (CONVENTIONAL) HP UNIT (DUAL-FUEL)
NOTE - DO NOT use a conventional non-communicating heat pump unit in an iComfort dual fuel system.
A conventional thermostat capable of controlling a dual fuel system, like the ComfortSense
ICOMFORT™ AIR HANDLER AND NON-COMMUNICATING LENNOX (CONVENTIONAL) AIR CONDITIONER
An iComfort air handler (CBX32MV or CBX40UHV) with a conventional
non-communicating AC unit.
NOTE - IMPORTANT! Be sure to set up the air handler control for heat strips (if
used) prior to powering up the system and thermostat.
1. Configure air handler control (AHC) for auxiliary heat strips if used.
2. Wiring—see Communicating Indoor / Non- Communicating Outdoor
System Wiring diagram on page 35 and Optional Accessories Wiring on
page 37 for any accessories being installed with the system.
4-conductor thermostat wire from the iComfort Wi-Fi
D
air handler (R, i+, i-, C)
iComfort air handler to conventional AC (5 – 8 wires). (Y1, Y2, C, R,
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W1,W2)
Wiring as required for accessories
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3. On 2-stage AC, cut the "W915 2 Stage Compr" on-board clippable link.
4. On air handler control, remove jumper between W1 & W2 for two-stage electric
heat only.
5. After the entire system is wired, power up the system; the iComfort Wi-Fi
thermostat will check the system for installed communication devices.
S
If the thermostat "System Setting" does not offer a choice for "emerg. heat" and or the electric heat will not function; the electric heat has not been configured.
Configure the electric heat as described on Page 38, or for complete detail, see the Air Handler installation instructions. Reconfigure the iComfort system by entering
the installer program and selecting the setup button and following the prompts.
S
If the thermostat "System Setting" only shows "heat only" or "off" choices and does not offer a choice for "cooling" you must "Install" the non-communicating air
conditioning unit. Select "Add or Remove non-communicating" under the setup button in the Installer Section. Select "Outdoor Unit Type", press the edit button
and then choose "1 Stage AC" or "2 Stage AC" and press the save button.
S
On two-stage Air Conditioners you must cut the "W915 2 Stage Compr" Link on the air handler control.
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iComfort Wi-Fi
and press the edit button. Then select the AC type (1-stage AC or 2-stage AC)
and press the save button.
6. Select the outdoor unit capacity and minimum outdoor unit capacity (2-stage
only). Press save after editing each setting. Press back when finished to
return to the adjust screen.
7. Use the arrows to select "Furnace" from system devices list; press edit. From
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thermostat to the
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 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.
8. Using up/down arrows, select the test options individually (if so desired, you
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may choose to TEST ALL) and press the select button. (If selecting individual
tests, repeat until you have selected all you intend to run.)
9. Press the start button. Confirm the AC unit is electrically energized and
operational. Press done.
10. Exit the installer setup mode by selecting the EXIT button.
TIPS
TIPS
®
7000, must be selected for this type of application.
6. In the installer setup button, select "Add or Remove non-communicating
equipment" by using the yes button.
7. Select the "Outdoor Unit Type" from the device list using the up/down arrows
and press the edit button. Then select the AC type (1-stage AC or 2-stage AC)
and press the save button.
8. On the thermostat, go past the "Add or remove non-communicating
equipment" to the "To adjust a setting" screen.
9. Use the arrows to select "Air Handler" from system devices list; press edit.
From this Air Handler screen you will have access to the various airflow
®
thermostat to the
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 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.
10. Test the system operation and confirm the system is electrically energized
and operational. Particularly, test the heat strips (when used) to insure the
auxiliary stages have been detected and are operational. Press done.
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11. Exit the installer setup mode by selecting the EXIT button.
TIPS
Page 41
7-Day Programmable Communicating Thermostat
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