Partial Icomfort® System - Icomfort® Air Handler And Non-Communicating Lennox Brand (Conventional) Air Conditioner; Partial Icomfort® System - Icomfort® Furnace And Non-Communicating Lennox Brand (Conventional) Heat Pump Unit (Dual-Fuel) - Lennox iComfort S30 Installation And Setup Manual

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Partial iComfort System — iComfort
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An iComfort air handler (CBX32MV or CBX40UHV) with a conventional
non-communicating Lennox brand air conditioner unit.
IMPORTANT! Be sure to set up the air handler control for heat strips (if used)
prior to powering up the system and iComfort
1. Configure air handler control (AHC) for auxiliary heat strips if used.
2. Wiring—See Communicating System and optional accessories
Wiring diagrams.
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4-conductor thermostat wire from the iComfort
handler (R, i+, i-, C).
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iComfort air handler to conventional Lennox brand air conditioner (5
– 8 wires). (Y1, Y2, C, R, W1,W2).
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Wiring as required for accessories.
3. On air handler control, when matched with conventional Lennox brand
2­stage air conditioner, cut the Y1­Y2 2 stage comp on­board clippable
link.
4. On air handler control, remove jumper between W1 and W2 for two-stage
electric heat only.
5. After the entire system is wired, power up the system; the iComfort
will check the system for installed communication devices.
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If the HD Display "System Setting" does not offer a choice for emerg. heat or
the electric heat will not function; the electric heat has not been configured.
Configure the electric heat as described on page 14, or for complete detail, see
the air handler installer program. To start the reconfiguration option:
1. From the Home screen, press menu and then settings.
2. Touch advanced settings and press view dealer control center.
3. Touch equipment and press reset all equipment. This will restore all
settings to the factory default and start the installer setup sequence.
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Partial iComfort System — iComfort
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If the HD Display System Setting only shows "heat only" or "off" choices
and does not offer a choice for "cooling" you must "Install" the
non-communicating air conditioning unit (see procedures above).
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Air Handler and Non-Communicating Lennox Brand (conventional) Air Conditioner
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S30 Control System.
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thermostat to the air
HOME screen menu icon
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Furnace and Non-Communicating Lennox Brand (Conventional) Heat Pump Unit (Dual-Fuel)
6. During the Installer System Setup (see page 19) you will arrive at the
equipment found screen. From there touch non-communicating
equipment to add non-communicating equipment.
7. From the add/remove equipment screen, touch either 1 Stage A/C unit
or 2 Stage A/C unit.
8. Touch the done to return to the equipment found screen.
9. Touch continue to proceed to the next screen.
10. Continue with the installer setup sequence. When the set up airflow per
zone screen appears here you can adjust blower, heating and cooling
circulation air flows. When done, press continue to proceed.
11. The dealer control center will appear. Touch tests to access the test
section.
12. Here you will have another opportunity to adjust blower circulation, heating
and cooling circulation air flows. Use the plus or minus buttons to adjust up
or down the CFM settings. Once adjustments are completed, press
continue.
13. Under the touch test to run, you may un-check any test not required, or
run all tests. Touch start tests to proceed. Once each test section is
completed, press continue to proceed to the next group of tests.
14. Once all test are completed, press done. The will return you to the touch
tests to run screen. If finish, press the back arrow (<) at the top left-hand
of the screen to return to the dealer control center.
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S30
15. Touch exit to return to the home screen.
TIPS
If the HD Display home screen mode touch only lists heat only or off choices
and does not offer a choice for cooling or heat/cool you must add the
non-communicating air conditioning unit.
1. Select Menu > settings > advance settings > view dealer control
center > equipment.
2. Select either 1 Stage A/C or 2 Stage A/C. Touch the back arrow (<) at
the top left-hand of the screen to return to the dealer control center.
3. Touch exit to return to the home screen.
On two-stage air conditioners you must cut the "W915 2 Stage Compr" link on
the furnace control.
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For two-stage air conditioners you must cut the Y1­Y2 2 stage comp
on­board clippable link on the air handler control.
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