Installer Set−Up - Lennox X4146 Installation Instructions Manual

Installer Set−Up
Use the following steps and the Install-
er Set−Up menu to match the thermo-
stat to the HVAC system.
1 − Press and release the SYSTEM
key.
2 − Press and hold the two blank keys
on either side of the center blank
key for approximately five seconds.
MON T UE WED
S S M Y TE
EM HT
OFF
PM
COOL
DONE
3 − Release the two keys when the
thermostat display matches the
display below.
DONE
4 − Refer to the following figure to see
how the thermostat keys are used
to make selections from the set−up
menu.
THU FRI SA T A A T SUN
SET TO
FOLLOWING
SCHEDULE
CANCEL
INSTALLER
SET−UP
NUMBER
DONE
INSTALLER
5 − The installer set−up number is dis-
played on the left−hand side of the
screen. The current installer set−up
number is displayed on the right−
hand side of the screen. Use the up
and down arrows on the right−hand
side of the thermostat to select the
proper setting for that particular
set−up number.
6 − After the proper selection has been
made, use the up arrow in the cen-
ter of the thermostat to advance to
the next set−up screen.
7 − Refer to the tables on pages 10
through 14 to make proper set−up
choices for your application.
8 − When all set−up selections have
been made, press the DONE key to
save your settings. Thermostat dis-
play will return to the main screen.
NOTE − Press and release the SYS-
TEM key, then press and hold the cen-
ter blank key to access the user set−up
screens. The user set−up options are
limited to those features that would be
used by the homeowner. Press the
DONE key when finished.
Page 9
ADVANCE TO NEXT
INSTALLER SET−UP
EXIT CHANGE THE
CURRENT
SET−UP SETTING
CURRENT
SETTING