Lennox icomfort Wi-Fi - Heat Pump

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Partial iComfort
®
System — iComfort
®
Equipment Interface Module
The iComfort
®
Equipment Interface Module (EIM) can be
configured in the following setups:
 iComfort Wi-Fi
®
, iComfort
®
Equipment Interface Module
with either a non-communicating (conventional) indoor
unit and iComfort
®
outdoor unit.
 iComfort Wi-Fi
®
, iComfort
®
Equipment Interface Module
with either a non-communicating (conventional) indoor
unit and outdoor unit.
 iComfort Wi-Fi
®
, iComfort
®
furnace, iComfort
®
Equipment Interface and a non-communicating heat
pump
1. Wiring—See Communicating System and Optional
Accessories Wiring diagrams.
 4-conductor thermostat wire from the iComfort Wi-Fi
®
thermostat to the equipment interface module (R, i+,
i-, C)
 4-conductor thermostat wire from the iComfort Wi-Fi
®
thermostat to the heat pump (R, i+, i-, C)
 Up to 8-conductor thermostat wire from the
non-communicating furnace terminal strip to the
equipment interface module (R, C, O, Y1, Y2, G, W1,
W2 and W3).
 Wiring as required for accessories
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
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 heat pump unit
is electrically energized and operational. Press done.
9. Exit the installer setup mode by selecting the EXIT button.
TIPS
 High and 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.
 An outdoor temperature sensor is provided in an iComfort
®
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.
 Turn the Indoor humidity display on and off in a similar manner as above.
 Gas heat is provided to temper the air during defrost cycles.