Lennox icomfort Touch - Replacement Controls

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.
2. 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 On (or Off) and then press the save but-
ton. Press done to return to the Home screen.
Table 6. Replacement Controls
The following kits have been set up for replacement of the icomfort control. Please note that control kits are unit−specific.
icomfort−Enabled Unit Replacement Kit Catalog No. Control Part No.
G71MPP−03 or later 65W69 605341−01
SLP98−01 or later 73W45 102813−02
SL280−02 or later 76W25 103130−01
CBX40UHV−02 or later
CBX32MV−06 or later
65W70 605341−02
XC17−02 or later 65W71 605341−03
XP17−02 or later 65W72 605341−04
XC21−05 or later 65W73 605341−05
XP21−01 or later 65W74 605341−06