Manuals / Lennox International Inc / Household Appliance / Thermostat

Lennox International Inc G71MPP03, XP2101, XC2105, XC1702, XP1906, XP1702, SLP9801, SL28003 Tips

Models: CBX40UHV02 EL296V01 CBX32MV06 iComfort Wifi Thermostat SL28003 G71MPP03 SLP9801 XP1702 XP1906 XC1702 XC2105 XP2101

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icomfortt−enabled furnace & non−communicating air conditioner

An icomfort−enabled gas furnace (G71MPP, EL296V, SLP98, SL280) with a conventional non−communicating air conditioner.

1. Wiring Communicating Indoor/Non−Communicating Out-

door System Wiring diagram on Page 59 and Optional Accessories Wiring (Page 61) for any accessories being installed with the system.

D4−conductor thermostat wire from the icomfort Wi-Fit thermostat to the gas furnace (R, i+, i−, C)

DConventional thermostat wire with 2 to 4 conductors from the fur- nace terminal strip to the AC unit (Y1, C, & on some models, R & Y2)

DWiring as required for accessories

2.Cut option link two−stage AC units only.

3.After the entire system is wired, power up the system; the icomfort Wi- Fit thermostat will check the system for installed communication de- vices.

4.In the installer setup button, select

ing equipment

yes button.

5.Select the ype" 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.

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

edit. From this Furnace screen you will have access to the various air- flow settings. Set the system air volumes according the needs of the home. When you change certain settings, the system will prompt you to

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 de- sired, 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.)

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

SIf the thermostat f

choices and does not offer a choice for

non−communicating air conditioning unit. Selectnon− communicating" under the setup button in the Installer Section. Select

Unit Type", press the

edit button and then choose Stage

AC" or tage AC" and press the

save button.

SOn two−Stage Air Conditioners you must cut the 2 Stage Compr" link on the furnace control.

506920−01 09/12

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Lennox International Inc G71MPP03, XP2101, XC2105, XC1702, XP1906, XP1702, SLP9801, SL28003, iComfort Wifi Thermostat Tips
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FAQ

What are the wiring requirements for the icomfortenabled gas furnace with a noncommunicating air conditioner?

The wiring diagram can be found on Page 59 of the official manual for your reference. Ensure proper wiring using D4-conductor thermostat wire from the icomfort Wi-Fit thermostat to the gas furnace, and conventional thermostat wire from the furnace terminal strip to the AC unit.

How do I set up the outdoor unit capacity and minimum outdoor unit capacity for 2-stage AC units?

After powering up the system, use the installer setup button to access the settings. Select the outdoor unit capacity and minimum outdoor unit capacity for 2-stage AC units, and press save after editing each setting.

What should I do if the thermostat does not offer a choice for noncommunicating air conditioning units?

In this case, you can select 'noncommunicating' under the setup button in the Installer Section. Choose the unit type and AC stage, then save the settings.