Lennox International Inc. 43558 Thermostat User Manual


 
20
20
PROGRAMMING
Option Menu (continued)
Stage 1 SPAN selection
or to change the SPAN setting to 1, 2, or 3. The
factory setting is 2. Setting 1 will cause shorter cycle times. Setting 3
will cause longer cycle times.
Stage 2 SPAN selection
or to change the SPAN setting to 1, 2, 3, 4, 5 or 6.
The factory setting is 2. Lower settings will cause the 2nd stage to turn
on sooner. Higher settings will cause the 2nd stage to turn on later.
NOTE:
Refer to the SPAN section on page 48 for more information on SPAN settings.
Auto Season Changeover Deadband selection
or to change the deadband between 3, 4, 5 or 6°F,
The factory setting is 5. (°C are about 1/2°F)
NOTE:
Refer to the Auto Season Changeover section on page 43 for more information.
Span Stg1
Span Stg2
option
6
option
7
option
8
Recovery
System
41653_model43558.pmd
21
Auto Recovery selection
or to enable “YES” or disable “NO” the Auto
Recovery Mode. The factory setting is “YES.”
To change between Heat or Cool recovery modes.
NOTE:
Auto Recovery is one of the ENERGY STAR
®
features of this thermostat. Refer to the Auto Recovery section on
pages 49-50 for more information.
LCD Contrast adjustment
or to change the LCD contrast between 0 and 9.
Lower numbers lighten the display. Higher numbers darken the display.
The factory setting is 5.
system
option
9
Recovery
System
option
10
LCD