Icomfort™ Air Handler And Air Conditioner; Icomfort™ Air Handler And Heat Pump - Lennox iComfort G71MPP-03 Setup Manual

An iComfort-enabled air handler (CBX32MV or CBX40UHV) with an
iComfort-enabled air conditioner (XC17, XC21 or XC25 only).
NOTE - IMPORTANT! Be sure to configure the air handler control so that heat strips
(if used) information will be detected by the iComfort thermostat. This must be done
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 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)
4-conductor thermostat wire from the air handler terminal strip to the
D
iComfort-enabled AC (R, i+, i-, C)
Wiring as required for accessories
D
3. DO NOT cut any option link on air handler control.
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
An outdoor temperature sensor is provided in an iComfort-enabled air conditioning unit. To display the outdoor temperature on the home screen of the thermostat,
you must 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 On (or Off) and then press the save button. Press
done to return to the Home screen.
S
Turn the Indoor Humidity Display on and off in a similar manner as above.
An iComfort air handler (CBX32MV or CBX40UHV) with an iComfort-enabled heat
pump (XP17, XP21 or XP25) 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 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)
D 4-conductor thermostat wire from the air handler terminal strip to the
iComfort-enabled HP (R, i+, i-, C)
D Wiring as required for accessories
3. DO NOT cut any option link on air handler control.
4. 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
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.
S
An outdoor temperature sensor is provided in an iComfort enabled heat pump unit. To display the outdoor temperature on the home screen of the thermostat, you
must 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 On (or Off) and then press the save button. Press done
to return to the Home screen.
507152-01
ICOMFORT™ AIR HANDLER AND AIR CONDITIONER
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thermostat to the
TIPS
ICOMFORT™ AIR HANDLER AND HEAT PUMP UNIT
®
thermostat to the
®
10. Exit the installer setup mode by selecting the EXIT button.
TIPS
Page 40
4. After the entire system is wired, power up the system; the iComfort Wi-Fi
thermostat will check the system for installed communication devices.
5. On the thermostat, go past the "Add or remove non-communicating
equipment" to the "To adjust a setting" screen.
6. 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
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.
7. 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 operate as designed. Press done.
8. Exit the installer setup mode by selecting the EXIT button.
5. On the thermostat, go past the "Add or remove non-communicating
equipment" to the "To adjust a setting" screen. Select "System" from the
device list using the up/down arrows and press the edit button
6. Select Balance Point Control and press edit. Use the down arrow to select
Enabled and press save. High and Low Balance Points will appear in red.
7. 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.
8. 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 6 and 7. Press next step to advance to the tests
button.
9. Test the system operation and confirm the system is electrically energized
and operational. Particularly, test the heat strips (when used) to ensure the
auxiliary stages operate as designed. Press done.
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7/2013