Lennox A97UH2E Installation Instructions Manual page 47

Warm air gas furnace upflow/horizontal left/right air discharge direct vent & non-direct vent
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DIP Switch Settings and On-Board Links
DIP Switch 1
Thermostat
Thermostat
Dual Fuel
Single Stage
Heat Pump
Thermostat w/
dual fuel capa-
bilities
Capable of 2
stage gas heat
control
Dual Fuel
Two Stage
Heat Pump
Thermostat w/
dual fuel capa-
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 integrated control.
508390-01
Field Wiring Applications with Conventional Thermostat (Continued)
On Board Links Must Be Cut To Select
Heating
Stages
OFF
CUT ON-BOARD LINK
W951
HEAT
PUMP
OFF
CUT ON-BOARD LINK
W915
2 STAGE
COMPR
CUT ON-BOARD LINK
W951
HEAT
PUMP
System Options
DEHUM
DEHUM
Table 13C.
Issue 2327
Wiring Connections
L7724U
FURNACE
HEAT PUMP
T'STAT
TERM. STRIP
R
R
H
W2
67M41*
W2
W1
W1
O
O
L
Y1
Y1
Y2
G
G
D
DS
B
Y2
C
C
L7724U
FURNACE
T'STAT
TERM. STRIP
HEAT PUMP
R
R
H
W2
67M41*
W2
W1
W1
O
O
L
Y1
Y1
Y2
G
G
D
DS
B
Y2
C
C
R
W1
O
L
Y1
C
R
W1
O
L
Y1
Y2
Y2
out blue
C
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