Lennox SL280V - SL280 Field Wiring Applications; Conventional Thermostat Wiring; Integrated Control Diagram and Links

Page 25
TABLE 13
SL280 Field Wiring Applications With Conventional Thermostat
Thermostat
DIP Switch Settings and On−Board Links (See figure 25)
Wiring Connections
DIP Switch 1
Thermostat
Heating
Stages
On Board Links Must Be Cut To Select
System Options
1 Heat / 1 Cool
NOTE − Use DIP
switch 2 to set
second−stage
heat ON delay.
OFF−7 minutes.
ON−12 minutes.
ON
DO NOT CUT ANY
ON−BOARD LINKS
S1
T’STAT
FURNACE
TERM. STRIP
OUTDOOR
UNIT
*
1 Heat / 2 Cool
NOTE − Use DIP
switch 2 to set
second−stage
heat ON delay.
OFF−7 minutes.
ON−12 minutes.
ON
CUT ON−BOARD LINK
W915
2 STAGE
COMPR
S1
T’STAT
FURNACE
TERM. STRIP
OUTDOOR
UNIT
*
1 Heat / 2 Cool
with t’stat with
humidity control
NOTE − Use DIP
switch 2 to set
second−stage
heat ON delay.
OFF−7 minutes.
ON−12 minutes.
ON
CUT ON−BOARD LINK
W915
2 STAGE
COMPR
CUT ON−BOARD LINK
W914
DEHUM
OR
HARMONY
S1
T’STAT
FURNACE
TERM. STRIP
OUTDOOR
UNIT
o
*
* Not required on all units.