Lennox X4146 - Page 11

Page 11
Installer
Set−Up
Number
Installer
Set−Up
Name
Selection Description
(Factory setting in bold print)
Notes
0220
Cycles
per Hour
(cph) 1st
Stage
Compres-
sor
3 − Recommended setting for
compressors. Factory setting.
Settings of 1 − 6 cph available.
1 − Recommended for use with steam and
gravity.
Cycles
per Hour
(cph) 1st
3 − Recommended for use with hot water
heat and high−efficiency (90% or higher)
furnaces.
Shown
only when
0240
(cph)
1st
Stage
Conven-
tional
Hti
5 − Recommended for use with stan-
dard−efficiency (less than 90%) fossil
fuel furnaces. Factory setting.
y
conven-
tional sys-
tem is
selected
Heating
9 − Recommended for use with electric
furnaces.
selected
.
Settings of 1 − 12 cph available.
Continu-
0 − Backlight not lit continuously. Back-
light comes on when key is pressed.
Factory setting.
Option
always
shown;
however,
0280
Continu
ous
Backlight
1 − Backlight is continuously lit.
(Thermostat must be powered by 24V
common wire for this feature to be
allowed.)
however,
t’stat must
be pow-
ered by
24V com-
mon.
0300
Change-
0 − Manual changeover from heating
mode to cooling mode. Factory setting.
0300
Change
over
1 − Auto−changeover from heating mode to
cooling mode.
Deadband
2 − 2°F (1.5°C)
Option
Deadband
(Minimum
3 − 3°F (2°C). Factory setting.
O
pt
i
on
shown
(Mi
n
i
mum
differential
4 − 4°F (2.5°C)
shown
onl
y
when
0310
differential
between
5 − 5°F (3°C)
only
when
auto−
0310
between
heating
6 − 6°F (3.5°C)
auto
change-
h
heating
and
li
7 − 7°F (4°C)
g
over has
been
cooling
setpoints)
8 − 8°F (4.5°C)
been
selected
setpoints)
9 − 9°F (5°C)
se
l
ec
t
e
d
.
0320
Tempera-
ture Dis
0 − Fahrenheit (factory setting).
0320
t
ure
Di
s-
play Scale
1 − Celsius