Lennox SIGNATURE SLP99UHV Installation Instructions Manual page 39

Field Wiring Connections for Non-Communicating Thermostat Applications (Contiued)
DIP Switch Settings and On-Board Links (figure 47)
Thermostat
DIP Switch
Dual Fuel DIP Switch 1
Single-Stage
Heat Pump
®
ComfortSense
7000 L7742U
thermostat w/
bilities
Capable of
2-stage gas
heat control
Dual Fuel DIP Switch 1
Two Stage
Heat Pump
®
ComfortSense
7000 L7742U
thermostat w/
bilities
Capable of
2-stage gas
heat control
* 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 SLP98
integrated control.
W915
(Y1 to Y2)
Two-Stage
Cooling
Intact
OFF
Cut
OFF
TABLE 15 Cont.
W914
(DS to R)
W951
(O to R)
cation or
Heat Pumps
Harmony
III
Intact Cut
Intact Cut
Page 39
Wiring Connections
CONTROL
L7742U
TERM. STRIP
T'STAT
H
67M41*
L
Y2
D
B
Y2
T
T
L7742U CONTROL TERM.
T'STAT
STRIP
H
67M41*
L
Y2
D
B
T
outdoor
sensor
T
HEAT PUMP
L
Y
outdoor
sensor
HEAT PUMP
L
Y2
out blue