Complete Icomfort Systems - Air Handler And Heat Pump Unit; Partial Icomfort System - Icomfort Furnace And Lennox Conventional Air Conditioner - Lennox iComfort S30 Installation And Setup Manual

If the thermostat's select mode screen does not offer a choice for "emerg.
heat" then it may be possible that the electric heat is not working or perhaps
the electric heat has not been configured.
Configure the electric heat as described "Electric Heat Configuration for
iComfort Air Handlers" on page 15, or for complete detail, see the air
handler installation instruction. After confirming that the electric heat has been
configured correctly, reconfigure the iComfort system by going to menu >
system > advanced settings > view dealer control center > equipment >
reset > re-configure system.
C C s — a
omplEtE I omFort ystEms
An iComfort air handler (CBX32MV or CBX40UHV) with an iComfort heat
pump (SL18XP, XP17, XP17N, XP20, XP21, XP21N or XP25) unit.
IMPORTANT
Be sure to configure the air handler control so that heat strips (if used)
information will be detected by the thermostat. This must be done prior to
powering up the system and control system.
1. Configure air handler control (AHC) for auxiliary heat strips if used.
2. Wiring—See Communicating System and optional accessories Wiring
diagrams.
• Four-conductor thermostat wire between the HD Display, Smart-Hub
and
gas furnace (R, i+, i-, C)
• Four-conductor thermostat wire from the integrated furnace control
(IFC) terminal strip to the iComfort air conditioner unit (R, i+, i-, C)
• 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 thermostat will
check the system for installed communication devices.
5. During commissioning you will end that process with the dealer control
center screen. From there touch equipment to modified any system or
equipment settings.
6. Select Balance Point Control and touch edit. Use the down arrow to
touch Enabled. A pop-up warning screen indicating that due to enabling
Balance Point Control other related parameter values were automatically
changed.
7. Complete Balance Point Control by editing the High and Low Balance
Points. It is not necessary to change the defaults.
TIPS
h h p u
Ir anDlEr anD Eat ump nIt
8. From the equipment list, touch air handler. From this air handler screen
you will have access to the various airflow settings. Set the system air
volumes according to the needs of the home.
9. When all CFM settings are complete, touch the back arrow (<) at the top
left-hand of the screen to return to the dealer control center. Touch tests
to access the test section.
10. Here you will have the 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, touch
continue.
11. Under the select test to run screen, you may un-check any test not
required, or run all tests. Touch start tests to proceed. Once each test
section is completed, touch continue to proceed to the next group of tests.
12. Once all tests are completed, touch done. This will return you to the select
tests to run screen. If finish, touch the back arrow (<) at the top left-hand
of the screen to return to the dealer control center.
13. Touch exit to return to the home screen.
p C s —
artIal I omFort ystEm I
C
onDItIonEr
An iComfort furnace (G71MPP, EL296V, SLP98 and SL280) with a conventional
non-communicating Lennox brand air conditioner.
1. Wiring—See Communicating System and optional accessories Wiring
diagrams.
• 4-conductor thermostat wire between the HD Display, Smart-Hub and
gas furnace (R, i+, i-, C)
• Conventional thermostat wire with 2 to 4 conductors from the furnace
terminal strip to the air conditioner unit (Y1, C, & on some models, R
& Y2).
• Wiring as required for accessories.
2. Cut option link 2-stage compr (Y1 to Y2, W915) on furnace control on two-
stage Lennox brand conventional air conditioner units only.
3. After the entire system is wired, power up the system; the thermostat will
check the system for installed communication devices.
4. During commissioning you will arrive at the equipment found screen. From
there touch non-communicating equipment to add non-communicating
equipment.
5. From the add/remove equipment screen, touch either 1 Stage A/C unit or
2 Stage A/C unit.
6. Touch done to return to the equipment found screen.
7. Touch continue to proceed to the next screen.
43
C F l C
omFort urnaCE anD Ennox
a
onvEntIonal Ir