Lennox SL280V User Manual

Page 26
TABLE 13
SL280 Field Wiring Applications With Conventional Thermostat (Continued)
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
2 Heat / 2 Cool OFF
CUT ON−BOARD LINK
W915
2 STAGE
COMPR
S1
T’STAT
FURNACE
TERM. STRIP
OUTDOOR
UNIT
*
2 Heat / 2 Cool
with t’stat with
humidity control
OFF
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
*
2 Heat / 1 Cool
with t’stat with
humidity control
OFF
CUT ON−BOARD LINK
W914
DEHUM
OR
HARMONY
S1
T’STAT
FURNACE
TERM. STRIP
OUTDOOR
UNIT
o
*
2 Heat / 1 Cool OFF
DO NOT CUT ANY
ON−BOARD LINKS
S1
T’STAT
FURNACE
TERM. STRIP
OUTDOOR
UNIT
*
* Not required on all units.

Lennox SL280V Specifications

General

Efficiency	80% AFUE
Blower Type	Variable Speed
Energy Star Certified	No
Fuel Type	Natural Gas
Vent Type	Conventional
Heating Capacity	44, 000 to 132, 000 BTUH
Warranty	Limited lifetime heat exchanger warranty, 5-year parts warranty