Lennox A98USMV Installation Instructions Manual page 44

Thermostat
DIP Switch 1
Dual Fuel Single-
Stage Heat Pump
Thermostat w/dual
fuel capabilities
Capable of 2-stage
gas heat control
Dual Fuel Two-
Stage Heat Pump
Thermostat w/dual
fuel capabilities
Capable of 2-stage
gas heat control
NOTE - Do NOT make a wire connection between the room thermostat L terminal and the L terminal of the integrated control.
Table 18. Field Wiring for Non-Communicating Thermostat Applications
Page 44 of 74
DIP Switch Settings and On-Board Links
W915
(Y1 to Y2)
Two-Stage
Cooling
OFF Intact
OFF Cut
W914 W951
(DS to R) (Oto R)
Dehumidification Heat Pumps
Intact Cut
Intact Cut
Issue 2346
Wiring Connections
FURNACE
HEAT PUMP
TERM. STRIP
T'STAT
H H
L
Y2
D
B
Y2
T
outdoor
T
FURNACE
T'STAT TERM. STRIP HEAT PUMP
H
H
L
Y2
D
out blue
B
T
outdoor
sensor
T
508364-01
L
Y
sensor
L
Y2
Y2