Lennox G71MPP

Page 64
TABLE 44
Field Wiring Applications (Continued)
Thermostat
DIP Switch Settings and On−Board Link (figure 4)
Wiring Connections
DIP Switch
W915
(Y1 to Y2)
Two−Stage
Cooling
W914
(DS to R)
Dehumidifi-
cation or
Harmony
IIIt
W951
(O to R)
Heat Pumps
Dual Fuel
Single Stage
Heat Pump
ComfortSense
7000 L7724U
thermostat w/
dual fuel capa-
bilities
Capable of 2
stage gas heat
control
DIP Switch 1
OFF
Intact Intact Cut
L7724U
T’STAT
CONTROL
TERM. STRIP
HEAT PUMP
67M41*
Y
H
L
Y2
D
B
L
Y2
T
T
outdoor
sensor
Dual Fuel
Two Stage
Heat Pump
ComfortSense
7000 L7724U
thermostat w/
dual fuel capa-
bilities
Capable of 2
stage gas heat
control
DIP Switch 1
OFF
Cut Intact Cut
CONTROL TERM.
STRIP
HEAT PUMP
out
blue
67M41*
H
L
Y2
D
B
L
Y2
T
T
outdoor
sensor
L7724U
T’STAT
* Connect W1 to W1 ONLY if using defrost tempering kit 67M41