Lennox CBX32MV?06 or later Setup Manual Download

Page: 71 / 72

icomfort

Wi-Fi

7−Day Programmable Communicating Thermostat

Page 71

icomfort

−enabled Air Handler & conventional non−communicating Heat Pump unit

An icomfort air handler (CBX32MV or CBX40UHV) with a conventional non−
communicating heat pump 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.

Wiring

see

Communicating System Wiring diagram

on Page 59

and

Optional Accessories Wiring

(Page 61) for any accessories be-

ing installed with the system.

4−conductor thermostat wire from the icomfort

Wi-Fi

thermostat

to the air handler (R, i+, i−, C)

Conventional thermostat wire with 5 to 6 conductors from icom-
fort air handler to conventional HP (5 – 8 wires). (Y1, C, R, W1, O,
and on some models Y2)

Wiring as required for accessories

3. On air handler control, with 2−stage HP cut the W915 2 Stage Compr"

onboard clippable link. Cut W951 between W1 & W2 for two−stage
electric heat only.

4. After the entire system is wired, power up the system; the icomfort

Wi-

thermostat will check the system for installed communication de-

vices.

5. In the installer setup button, select Add or Remove non−communicat-

ing equipment by using the

yes

button.

6. Select the Outdoor Unit Type" from the device list using the up/down

arrows and press the

edit

button. Then select the heat pump type

(1−stage HP or 2−stage HP) and press the

save

button.

7. On the thermostat, go past the Add or remove non−communicating de-

vices" to the To adjust a setting" screen. Select the System" from the
device list using the up/down arrows and press the

edit

button.

8. Select Balance Point Control (if outdoor sensor is installed) and press

edit

. Use the down arrow to select Enabled" and press

save

. High and

Low Balance Points will appear in red.

9. Complete Balance Point Control by editing the High and Low Balance

Points. It is not necessary to change the defaults, but you must save
each setting. The red settings will go away after pressing

save

. Press

the

back

button to return to the adjust screen.

10. 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 settings. Set the system air volumes according the needs of the
home. When all CFM settings are complete, press the

back

button.

Address any red settings as described in steps 8 and 9. Press

step

to advance to the tests button.

11. Test the system operation and confirm the system is electrically ener-

gized and operational. Particularly, test the heat strips (when used) to
insure the auxiliary stages operate as designed. Press

done.

12. Exit the installer setup mode by selecting the

EXIT

button.

TIPS

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 64,
or for complete detail, see the Air Handler installation instructions. Re-
configure the icomfort system by entering the installer program and se-
lecting the

setup

button and following the prompts.

High & low balance points are enabled and adjusted under the installer
section of the thermostat. In the equipment button select System" and
press

edit

. Scroll down to Balance Point Control" and press

edit

and

select

Enabled

and then

save

If an optional outdoor temperature sensor has been installed, you may
display the outdoor temperature on the home screen of the thermostat.
To 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

(or Off)

and then press the