Lennox International Inc DAVE LENNOX SIGNATURE COLLECTION GAS FURNACE, SL280DFV

Models: DAVE LENNOX SIGNATURE COLLECTION GAS FURNACE SL280DFV

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TABLE 13

SL280 Field Wiring Applications With Conventional Thermostat (Continued)

DIP Switch Settings and On−Board Links (figure 25)

 

DIP Switch 1

 

 

 

 

Thermostat

Thermostat

On Board Links Must Be Cut To Select

 

Wiring Connections

 

Heating

System Options

 

 

 

 

Stages

 

 

 

 

Dual Fuel

 

 

L7724U

FURNACE

HEAT PUMP

 

 

TERM. STRIP

Single Stage

OFF

 

T’STAT

 

 

 

 

Heat Pump

 

 

 

 

 

 

 

CUT ON−BOARD LINK

H

 

 

 

 

 

 

 

ComfortSense

 

W951

 

67M41*

7000 L7724U

 

HEAT

 

 

 

 

PUMP

 

 

 

thermostat w/

 

 

 

 

 

 

 

 

 

dual fuel capa-

 

 

 

 

 

bilities

 

 

L

 

L

Capable of 2

 

 

 

 

Y

stage gas heat

 

 

Y2

 

 

control

 

 

 

 

 

 

 

 

D

 

 

 

 

 

B

Y2

 

 

 

 

T

 

outdoor

 

 

 

 

 

 

 

 

T

 

sensor

 

 

 

 

 

Dual Fuel

 

 

L7724U

FURNACE

 

Two Stage

OFF

 

T’STAT

TERM. STRIP

HEAT PUMP

CUT ON−BOARD LINK

 

 

 

Heat Pump

 

 

 

 

 

W915

H

 

 

 

 

2 STAGE

 

 

 

 

 

 

 

ComfortSense

 

COMPR

 

67M41*

 

 

 

7000 L7724U

 

 

 

 

 

thermostat w/

 

CUT ON−BOARD LINK

 

 

 

dual fuel capa-

 

 

 

 

 

W951

L

 

L

bilities

 

 

 

HEAT

 

 

 

Capable of 2

 

PUMP

 

 

 

 

 

 

 

 

stage gas heat

 

 

Y2

 

Y2

control

 

 

 

 

 

 

 

 

D

 

 

 

 

 

B

 

out blue

 

 

 

 

 

 

 

 

T

 

outdoor

 

 

 

 

 

 

 

 

T

 

sensor

 

 

 

 

 

* Connect W1 to W1 ONLY if using defrost tempering kit 67M41

NOTE − Do NOT make a wire connection between the room thermostat L terminal and the L terminal of the SL280 integrated control.

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Lennox International Inc DAVE LENNOX SIGNATURE COLLECTION GAS FURNACE, SL280DFV installation instructions