Install Instructions
49
4. During commissioning you will end that process with the dealer control
center screen. From there touch equipment to modied any system or
equipment settings.
5. 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.
6. Complete Balance Point Control by editing the High and Low Balance
Points. It is not necessary to change the defaults.
7. From the equipment list, touch air handler. From this air handler screen
you will have access to the various airow settings. Set the system air
volumes according to the needs of the home.
8. 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.
9. Here you will have the opportunity to adjust blower circulation, heating
and cooling circulation air ows. Use the plus or minus buttons to adjust
up or down the CFM settings. Once adjustments are completed, touch
continue.
10. 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.
11. Once all tests are completed, touch done. This will return you to the select
tests to run screen. If nish, touch the back arrow (<) at the top left-hand
of the screen to return to the dealer control center.
12. Touch exit to return to the home screen.
Hybrid System Congurations
Communicating Furnace and Conventional Air Conditioner
An communicating furnace (G71MPP, EL296V, SLP98 and SL280) with a
conventional non-communicating Lennox brand air conditioner.
1. Wiring — See “Terminals and Wiring Recommendations” on page 5
and “Application Wiring” on page 7.
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.
8. From the equipment list, touch Furnace. From this furnace screen you will
have access to the various airow settings. Set the system air volumes
according to the needs of the home.
9. Continue with the commissioning sequence. When the set up airow
per zone screen appears you can adjust the blower, heating and cooling
circulation air ows per zone. When done, touch continue to proceed.
10. The dealer control center will appear. Touch tests to access the test
section.
11. Here you will have the opportunity to adjust blower circulation, heating
and cooling circulation air ows. Use the plus or minus buttons to adjust
up or down the CFM settings. Once adjustments are completed, press
continue.
12. Under the select test to run screen, you may un-check any tests 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.
13. Once all tests are completed, touch done. This will return you to the touch
tests to run screen. If nish, touch the back arrow (<) at the top left-hand of
the screen to return to the dealer control center.
14. Touch exit to return to the home screen.
TIPS
If the thermostat’s select mode screen has only heat only or off selections
and no choice for cooling or heat/cool you must add the non-communicating air
conditioning unit. Use the following procedures from the home screen to add a
non-communicating air conditioner.
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
Communicating Furnace and Conventional Heat Pump Unit (Dual