Manual 2100-422N
Page
42 of 42
FC SERIES
WIRING DIAGRAM
D
ASH
ED
LIN
ES
REPRESEN
T FIELD
WIRIN
G
.
O
N
LY O
N
E H
EATIN
G
AN
D
CO
O
LIN
G
SPEED
CAN
BE CO
N
N
ECTED
.
ALL O
TH
ER TAPS
CO
N
N
ECT TO
"SPARE"
TERMIN
ALS.
CO
O
LIN
G
SPEED
CO
N
N
ECTIO
N
PO
IN
T.
H
EATIN
G
SPEED
CO
N
N
ECTIO
N
PO
IN
T.
IF PRIMARY LIMIT WIRES
ARE TO
BE REPLACED
,
U
SE WIRE WITH
IN
SU
L.
TEMP. RATIN
G
O
F 200°
C.
5
4
3
2
NO
T
E
S
1
*EL
ECTRI
CA
L SHO
CK HA
ZA
RD
*DI
SCO
NNECT PO
WER BEF
O
RE
SERV
ICI
NG
.
DA
NGER
!
WHITE
WH
ITE
N
E
U
TRAL
WHITE
WHITE
WH
ITE
WH
ITE
Rc
RETU
RN A
REA
TH
E
RM
OSTA
T
(5/
370)
BLOW
ER A
S
S
EMBLY
(1
/3 H
P)
5
4
3
2
1
B
LACK
BLOW
ER CA
PA
CIT
OR
VAL
VE
MOT
OR
CAD
CE
LL
L1
L2
IGNI
T
OR
CAD
CE
LL
IGNI
T
OR
BUR
NER
MOT
OR
O
IL
VAL
VE
BU
RN
ER A
S
S
'Y
T
T
1
24V
.
C
O
NN.
YELLOW
HUM
UNIT
Y
C
W
Rh
Y
BUR
NER
T
87F/
Q539A
1220
CON
T
ROL PA
N
EL
OR EQU
IV
ELA
N
T
B
LACK
B
LACK
B
LACK
B
LACK
B
LACK
G
HEA
T EX
. AREA
HOT
2
HEA
T
CON
D.
2
PRIMA
RY
LIMIT
BA
CK
U
P LIMIT
B
LACK
B
LACK
1
2
3
4
SWI
TC
H
24V
120V
COM
T
RA
N
S
FORMER
BLACK
BLACK
D
OOR
W
IR
E C
OLOR
S.
COOL
EAC
L2
COM
SPR1
SPR2
5
SPR3
"HEA
T
" A
ND "C
OOL"
SEE C
H
ART F
O
R
3
1
4
BLUE
PUR
PLE
PUR
PLE
GR
EEN
GR
OUND
BR
OW
N
BR
OW
N
L1
RE
D
240
21
0
18
0
15
0
RW
G
Y
C
BLOW
ER CON
T
ROL
T
T
SEC2
SEC1
*Factory Blower Speed Setting
4047-
120 E
0.
5
5
LO
W
(R
E
D)
60
°-
90
°
HI
G
H
(B
L
A
C
K
)
0.
6
5
LO
W
(R
E
D)
7
0°
-1
00
°
HI
G
H
(B
L
A
C
K
)
*0
.7
5
M
E
D
(
B
LU
E
)
60
°-
90
°
HI
G
H
(B
L
A
C
K
)
U
NIT
G
P
H
INP
U
T
HT
G
. B
L
W
R
S
P
D
. (
C
OL
OR
)
F
A
C
T
O
R
Y SET
T
IN
G
S
CO
L
ING
B
L
W
R.
SPEE
D
F
C
08
5D
3
6F
T
EMP.
RI
S
E
D
LO
W
(RE
D)
7
75
2.
5
M
E
D
(B
LU
E
)
10
70
3
H
IG
H (B
LA
CK
)
12
30
CO
OLI
NG B
L
O
W
E
R S
P
E
E
DS
F
C08
5D3
6F
CF
M
@
.50"
W
C
UN
IT
NOM
. A
/C
(T
O
NS
)
S
P
E
E
D
(COLO
R
)