Typical Systems Setup; Icomfort™ Furnace And Air Conditioner; Icomfort™ Furnace And Heat Pump (Dual-Fuel) - Lennox iComfort G71MPP-03 Setup Manual

TYPICAL SYSTEMS SETUP

COMPLETE ICOMFORT™ SYSTEMS
An iComfort-enabled gas furnace (G71MPP, EL296V, SLP98, SL280) with an
iComfort-enabled AC (XC17, XC21 or XC25 only) unit.
1. 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
gas furnace (R, i+, i-, C)
4-conductor thermostat wire from the integrated furnace control (IFC)
D
terminal strip to the iComfort-enabled AC unit (R, i+, i-, C)
Wiring as required for accessories
D
2. DO NOT cut any option link on air handler control.
3. After the entire system is wired, power up the system; the iComfort Wi-Fi
thermostat will check the system for installed communication devices.
4. On the thermostat, go past the "Add or remove non-communicating devices"
to the "To adjust a setting" screen.
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.
Dual fuel system using an iComfort-enabled gas furnace (G71MPP, EL296V,
SLP98, SL280) with an iComfort-enabled heat pump (XP17, XP21 and XP25 only).
1. 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
gas furnace (R, i+, i-, C)
4-conductor thermostat wire from the furnace terminal strip to the
D
iComfort-enabled HP (R, i+, i-, C)
Wiring as required for accessories
D
2. DO NOT cut any option link on furnace control.
3. After the entire system is wired, power up the system; the iComfort Wi-Fi
thermostat will check the system for installed communication devices.
4. On the thermostat, go past the "Add or remove non-communicating devices"
to the "To adjust a setting" screen. Select "System" from the device list using
the up/down arrows and press the edit button
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.
S
Turn the Indoor Humidity Display on and off in a similar manner as above.
S
Gas heat is not provided to temper the air during defrost cycles.
®
iComfort Wi-Fi
ICOMFORT™ FURNACE AND AIR CONDITIONER
®
thermostat to the
®
TIPS
ICOMFORT™ FURNACE AND HP UNIT (DUAL-FUEL)
®
thermostat to the
®
TIPS
Page 39
5. Use the arrows to select "Furnace" from system devices list; press edit. From
this Furnace 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.
6. Using up/down arrows, select the test options individually (if so desired, 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.)
7. Press the start button. Confirm the AC unit is electrically energized and
operational. Press done.
8. Exit the installer setup mode by selecting the EXIT button.
5. 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.
6. 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.
7. Use the arrows to select "Furnace" from system devices list; press edit. From
this Furnace 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.
8. Test the system operation and confirm the HP unit is electrically energized and
operational. Press done.
9. Exit the installer setup mode by selecting the EXIT button.
7-Day Programmable Communicating Thermostat