SL280DFV Gas Furnace Installation Manual - Lennox
SL280DFV Gas Furnace Installation Manual - Lennox
SL280DFV Gas Furnace Installation Manual - Lennox
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TABLE 13<br />
SL280 Field Wiring Applications With Conventional Thermostat (Continued)<br />
Thermostat<br />
Dual Fuel<br />
Single Stage<br />
Heat Pump<br />
ComfortSense<br />
7000 L7724U<br />
thermostat w/<br />
dual fuel capabilities<br />
Capable of 2<br />
stage gas heat<br />
control<br />
DIP Switch Settings and On−Board Links (figure 25)<br />
DIP Switch 1<br />
Thermostat On Board Links Must Be Cut To Select<br />
Heating<br />
System Options<br />
Stages<br />
OFF<br />
CUT ON−BOARD LINK<br />
W951<br />
HEAT<br />
PUMP<br />
L7724U<br />
T’STAT<br />
H<br />
L<br />
Y2<br />
D<br />
B<br />
Wiring Connections<br />
FURNACE<br />
TERM. STRIP<br />
Y2<br />
67M41*<br />
HEAT PUMP<br />
L<br />
Y<br />
T<br />
T<br />
outdoor<br />
sensor<br />
Dual Fuel<br />
Two Stage<br />
Heat Pump<br />
ComfortSense<br />
7000 L7724U<br />
thermostat w/<br />
dual fuel capabilities<br />
Capable of 2<br />
stage gas heat<br />
control<br />
OFF<br />
CUT ON−BOARD LINK<br />
W915<br />
2 STAGE<br />
COMPR<br />
CUT ON−BOARD LINK<br />
W951<br />
HEAT<br />
PUMP<br />
L7724U<br />
T’STAT<br />
H<br />
L<br />
Y2<br />
D<br />
B<br />
FURNACE<br />
TERM. STRIP<br />
67M41*<br />
HEAT PUMP<br />
L<br />
Y2<br />
out blue<br />
T<br />
T<br />
outdoor<br />
sensor<br />
* Connect W1 to W1 ONLY if using defrost tempering kit 67M41<br />
NOTE − Do NOT make a wire connection between the room thermostat L terminal and the L terminal of the SL280<br />
integrated control.<br />
Page 27
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