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Field Wiring Applications With Conventional Thermostat (Continued)
DIP Switch Settings and On-Board Links (figure 4)
DIP Switch 1
Thermostat
Thermostat
Heating
Stages
Dual Fuel
Single Stage
OFF
Heat Pump
ComfortSense
thermostat w/
dual fuel capa
bilities
Capable of 2
stage gas heat
control w/dehu
midification
control
Dual Fuel
Two Stage
OFF
Heat Pump
ComfortSense
thermostat w/
dual fuel capa
bilities
Capable of 2
stage gas heat
control w/dehu
midification
* 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.
On Board Links Must Be Cut To Select
System Options
CUT ON-BOARD LINK
W951
HEAT
PUMP
CUT ON-BOARD LINK
W914
DEHUM
OR
HARMONY
CUT ON-BOARD LINK
W915
2 STAGE
COMPR
CUT ON-BOARD LINK
W951
HEAT
PUMP
CUT ON-BOARD LINK
W914
DEHUM
OR
HARMONY
Page 45
Wiring Connections
FURNACE
HEAT PUMP
L7742U
TERM. STRIP
T'STAT
H
67M41*
L
Y2
D
B
Y2
T
T
FURNACE
HEAT PUMP
L7742U
TERM. STRIP
T'STAT
H
67M41*
L
Y2
D
B
Y2
T
T
L
Y
outdoor
sensor
L
Y2
out blue
outdoor
sensor
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