Lennox icomfort Touch Setup Manual Download

Page: 43 / 44

icomfort Touch

7−Day Programmable Communicating Thermostat

Page 43

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 con-
trol 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 dia-

gram

on Page 34 and

Optional Accessories Wiring

(Page 35) for any accessories being installed with the
system.

4−conductor thermostat wire from the icomfort Touch
thermostat to the air handler (R, i+, i−, C)

Conventional thermostat wire with 5 to 6 conductors
from icomfort 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 Touch

thermostat will check the system for

installed communication devices.

5. In the installer setup tab, select Add or Remove non−

communicating 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 se-

lect the heat pump type (1−stage HP or 2−stage HP) and
press the

save

button.

7. On the thermostat, go past the add/remove non−commu-

nicating devices" to the adjust a device" screen. Select
the System 49W95" 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 de-

faults, 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 sys-
tem 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

next step

to advance to the tests tab.

11. Test the system operation and confirm the system is elec-

trically energized and operational. Particularly, test the
heat strips (when used) to insure the auxiliary stages op-
erate as designed. Press

done.

12. Exit the installer setup mode by selecting the

EXIT

tab.

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

setup

tab and following the

prompts.

High & low balance points are enabled and adjusted un-
der the installer section of the thermostat. In the equip-
ment tab select System 49W95" and press

edit

. Scroll

down to Balance Point Control" and press

edit

and se-

lect

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

tab. 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

save