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506920−01 09/12
Page 28
Access installer program from Home screen
To access the installer program after the unit has been placed in operation
and the user home screen is displayed, press the Lennox" logo and hold for
5 seconds (see figure 32). The system will access the installer screens.
indoor temperature
indoor humidity is 41%
fan is
OFF
9:39 am Aug 15, 2012
fan is
AUTO
cool−to
set temp
75
heat to
72
heat
or
cool
fan is
AUTO
away
mode
outdoor
temperature
80
system is cooling
Wi−Fi
Figure 32. Enter installation setup mode from home screen
A message screen stating Qualified Lennox equipment installer warning"
screen appears (Figure 33). Press yes to proceed (no returns to the home
screen).
WARNING!
The following screens are intended for use by qualified Lennox
equipment installers only.
Do you want to proceed?
yes
no
Figure 33. Qualified Lennox equipment installer warning
When you press yes, the thermostat’s processor will search for communi-
cating devices in the system. The next display will be a summary of all alerts
detected (see figure 34A).
After initial installation, if an alert is present when you are making changes to
settings, no action on the alert is mandatory.