ACCESSORY WIRE DIAGRAMS
33
FURNACE TWINING KIT - FTK03A (Johnson Control Board)
This wiring diagram is for reference only. Not all wiring is as shown above.
Refer to the appropriate wiring diagram for the unit being serviced.
(For use only with 80% or 90% Single-Stage Furnaces)
W
ire
as
above
for
GMH,
AMH, GDH
AND GCH
hybrid furnaces.
For installations made prior to 2/1/11
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
TW
I
L
H
ER
O
AT
C
O
N
N
C
ON
(
1
H
)
1
(
2
N
D
H
2
(
1
C
L)
Y1
(
2
N
D
C
L)
Y2
N
(
U
)
R
(C
N)
C
T
nni
ng
C
ont
ro
BL
BL
R
C
R
C
Fa
n/
LE
Se
ns
or
Fa
n/
LE
Se
ns
or
(
)
W1
W2
RE
D
BL
GN
FLA FLA FLA
T
FA
O
T'
T'
FA
O
BL RE
D
(+
)
(-)
S
I
-
(
(
)
STA
T
AN
ON
S
ET
TI
0.1
(
r
)
ac
e 1
(
r
)
-
8
F
-3
Ins
tal
l
jum
per
s
her
e
fo
r GM
H
,
AM
H
, GD
H
,
G
CH
Fur
nac
e
2
Bl
ac
k
- H
igh
Bl
ue
- M
ed.
/H
ig
h
O
ra
nge
- M
ed.
/L
ow
R
ed
- Low
Fo
r G
MH,
A
MH,
G
DH
, G
CH
