35
Figure 28. Gas Furnace 3-Speed Wiring
(Lennox Furnace EL296UH090XV60C 3-Speed Connection Shown)
3 Cooling Speeds Wiring
Example Furnace LII EL296E (ECM) EL296V (variable)? SL280V? SLP98V?
3 cooling HP spd
use 1 stage thermostat DIP1=1, 2nd stg gas turns on by time 7.5 (0) default or 12 min (1) set at
furnace DIP2, ALT spd set by furnace control
fan set at 38% (00) default or 28% (01) at DIP14-15
FAN FAN CTON HTON AUXH
W1 W2 G Y2 Y1 R DH L O DS
CTON HTON AUXH
C C
24V
1A (X6)
W951
HP
R-O
W914
DEH
R-DS
W915
2 CMP
Y1-Y2
24VAC
~
DEH OPTDEH OPTHoL Mo LoC
RLY M (DPST)
RLY H (TPST)
H1 H2 H3
RLY L (SPST)
X X X
EL296UH090XV60C
0~250V
1A (X3)
P3 AHU Control Kit
H M L
FIELD SUPPLIED
M1 M2 L1
RLY H N.O. 2
RLY H N.O. 1
RLY H N.O. 3
RLY M N.O. 2
RLY M N.O. 1
RLY L N.O. 1