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SPECIAL REPLACEMENT INSTRUCTIONS
•
TRANSFORMER SECONDARY HOOKUP
C
A
Connect
R
BLUE/COM/SEC-2
wire to 3/16"
R
terminal "TR"
I
(E33)
E
R
•
ROLLOUT SHUNT JUMPER INSTALL AND IGNITOR UPDATE Required
TRANE/AMERICAN STANDARD Furnaces
T
R
A
N
E
•
TWO ADAPTER HARNESSES AND EXTERNAL FLAME SENSE CONNECTION
Required
on All LENNOX Brand furnaces
L
E
N
N
O
Install both pin to socket adapters
between factory wiring and 50X57.
X
(12-pin main and 4-pin inducer / ignitor)
2
for CARRIER/ICP Furnaces only
Install R/O
Rollout
Shunt on
2-pin header
Update Ignitor
to 120V (units
were mfg with
80V). Use
HotRod 21D64-2
or equal
Connect
RED/24 VAC/SEC-1
wire to 3/16"
terminal "TH"
(E31)
Install
Motor
Common
Adapter
Wire
Connect Flame Sensor to
3/16" FS terminal E10 above
in-line connector
on All
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