50
440 01 2020 01
12 .
Wiring Diagram
N
2 S
TA
G
E
8
5
1
6
2
4
1
3
7
N
S
E
N
S
O
R
(S
O
M
E
M
O
D
E
LS
)
C
A
P
A
C
IT
O
R
IG
N
IT
E
R
H
U
M
E
A
C
N
M
O
T
O
R
IN
D
U
C
E
R
IN
D
H
LO
N
H
IG
H
2
1
H
O
T
N
E
U
T
R
A
L
O
N
LY
CO
PP
ER
G
N
D
R
BK
W
BL
BK
Y
IG
N
IT
E
R
S
E
N
S
O
R
R
G
AS
VAL
VE
HEAT OFF DELAY THERMOSTAT TYPE
3
M
A
IN
L
IM
IT
4
3
SETTING
FACTORY
60 SEC.
100 SEC.
SINGLE STAGE
12
12
12
12
2 STAGE
FAN CONTROL MODULE
4
3
4
3
12
Y
BL
R
R
G
THER
MO
S
T
A
T
SI
N
G
L
E
ST
A
G
E
R
BL
Y
W
Y
4
5
6
1
3
2
BL
W
G
BR
TRAN
SFORM
ER
BR
C
BK
T
R
A
N
S
F
O
R
M
E
R
115V
X
F
M
R
24V
2
4V
A
C
C
O
M
2
8
1
9
6
P
1
3
5
4
3
O
N
CON
NECTION DIA
GRAM
D
ISCONN
EC
T
B
E
FOR
E
S
E
R
V
IC
IN
G
W
ARN
ING:
E
LECTR
ICA
L
SHOC
K
HA
Z
ARD
4
S
W
IT
CH
IN
TERLOC
K
COOL OFF DELAY: 90 SEC
COOL ON DELAY: 5 SEC EAC + HUM: 0.8 A MAX. COMBINED
BO
X
C
O
N
N
EC
TI
O
N
FI
E
L
D
10
14485
1
S1
V
A
LV
E
G
A
S
A
C
IR
C
UI
T
B
O
AR
D
GN
D.
C
O
O
L
H
I
(B
K
)
H
E
A
T
H
M
H
I
(O
)
H
E
A
T L
M
LO
(B
L)
M
1
LO
(R
)
C
O
N
T
(O
P
T
)
L
1
L
1
L
1
L1
L
1
M
2
S
W
IT
C
H
P
R
E
S
S
U
R
E
LO
W
FURNA
CE
C
ON
TR
OL
D
E
P
E
N
D
IN
G
O
N
M
O
D
E
L
1 T
O
3 IN
S
E
R
IE
S
R
O
LLO
U
T
S
W
IT
C
H
M
A
IN
L
IM
IT
S
W
IT
C
H
H
IG
H
P
R
E
S
S
U
R
E
R
C
Y
W
1
G
W
2
R
G
W
2
W
1
R
G
1 2
3
4
A
(H
I V
O
L
T
F
IE
L
D
)
G
W
1
Y
W
2
R
T
HER
MO
S
T
A
T
2-S
T
A
G
E
6
0HZ
115
V
6
1
5
5A F
US
E
M
2
M
1
F
U
S
E
5
A
SEE
M
AN
UA
L
S
F
O
R
AD
JU
ST
IN
G
SP
EED
T
A
PS
F
O
R
PR
O
PER
H
EA
T
IN
G
,
C
OO
LI
N
G
&
C
IR
CU
LA
T
ING
S
PEED
S.
2
IN
T
E
R
NA
L
C
IR
C
U
IT
B
O
AR
D
W
IR
IN
G
LO
W
V
O
LT
A
G
E
F
IEL
D
LO
W
V
O
LT
A
G
E
F
A
C
TO
RY
LI
NE
V
O
LT
A
G
E
F
IEL
D
LI
NE
V
O
LT
A
G
E
F
A
C
T
O
RY
*
O
R
A
N
G
E
-M
H
I
R
E
D
-LO
B
LA
C
K
-H
I B
LU
E
-M
LO
S
P
E
E
D
T
A
P
C
O
D
E
HEAT LOW
IND LOW
PU
R
PL
E
P
Y
E
LLO
W
Y
W
H
IT
E
W
R
E
D
R
OR
AN
G
E
O
G
R
E
E
N
G
BR
OW
N
B
R
BL
U
E
B
L
BL
AC
K
BK
IND IN
IND HI
3
CO
LO
R
C
O
DE
2
4V
S
E
C
O
N
D
A
R
Y
1
15
V
P
R
IM
A
R
Y
P
1
4
4
3
21
7 8
4
4
3
4
3
12
4
3
180 SEC.
140 SEC.
E
A
C
-
BL
S
W
IT
C
H
P
R
E
S
S
U
R
E
H
IG
H
S
E
R
IE
S
D
E
P
E
N
D
IN
G
O
N
M
O
D
E
L
R
O
L
LO
U
T
S
W
IT
C
H
1 T
O
3 IN
O
BL
BL
O
MOTOR
INDUC
ER
W
BR
BR
R
BK
O
R
NE
UTRA
L
(SOM
E
MODE
L
S
)
CA
P
A
CI
TOR
H
E
A
T
H
I
C
O
O
L
H
U
M
C
O
N
T
BK
BK
R
R
W
W
W
S
W
IT
C
H
P
R
E
S
S
U
R
E
L
O
W
W
W
+
2 S
T
A
G
E
BK
P
BK
BL
(LP
M
O
DE
L
S
O
N
LY
)
SW
IT
C
H
L
P
P
R
E
S
S
U
R
E
W
3
4
R
O
N
2 S
T
A
G
E
2
3
4
-
+
THE
R
M
OST
A
T
Y
- +
4
3
V
A
LV
E
G
A
S
2
1
W
2
Y
G
Y
P
1
XFMR DC MTR
V
A
C
24
LINE
120 VAC
C
O
M
3
2
4
1
M
OT
OR
BL
O
W
ER
P
S
C
4
(LP
M
O
D
E
LS
O
N
LY
)
S
W
IT
C
H
L
P
P
R
E
S
S
U
R
E
12
12
W
P
2
Y
2
C
G
Y
W
1
CA
P
A
CITO
R
R
7
W
1
W
2
M
O
T
O
R
B
L
O
W
E
R
P
S
C
N
N
A
W
M
- 105°C
W
IR
E
O
R
I
T
S
E
Q
U
IV
A
LE
N
T.
M
U
S
T
B
E
R
E
P
LA
C
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D
,
IT
M
U
S
T
B
E
R
E
P
LA
C
E
D
W
IT
H
T
Y
P
E
IF
A
N
Y
O
F
T
H
E
O
R
IG
IN
A
L
W
IR
E
A
S
S
U
P
P
LI
E
D
W
IT
H
T
H
E
A
P
P
L
IA
N
C
E
P
2
1
2
3
4
7
5
6
HO
T
115V-
60HZ
NE
UT
R
A
L
SW
IT
C
H
INT
E
R
LOC
K
LADDER
DIAG
RAM
L1
L1
IN
D
IN
H
U
M
L1
E
A
C
IN
D
L
L1
C
A
P
A
C
IT
O
R
8
9
5
4
2
R
6
3
1
5
4
6
7
1
3
8
2
2
3
4
1
N
O
TE
:
1. M
O
S
T V
O
LT
M
E
TE
R
S
W
ILL R
E
A
D
13-16 V
O
LT
S
T
O
C
H
A
S
S
IS
O
N
B
O
T
H
S
ID
E
S
O
F A
N
O
P
E
N
L
IM
IT O
R
P
R
E
S
S
U
R
E
S
W
IT
C
H
I
N
TH
E
R
E
C
T
IF
IE
D
A
C
V
O
LTA
G
E
C
IR
C
U
IT
2. F
A
C
T
O
R
Y
C
O
N
N
E
C
T
E
D
W
H
E
N
B
V
S
S
, (C
H
IM
N
E
Y
A
D
A
P
T
O
R
A
C
C
E
S
S
O
R
Y
K
IT
) O
R
LP
P
R
E
S
S
. S
W
IT
C
H
I
S
N
O
T
IN
S
T
A
LLE
D
.
CO
N
D
UC
TO
R
S
R
EC
TI
FI
E
D
AC
VO
LT
A
G
E
F
A
CT
O
R
Y
B
V
S
S
,
(F
IE
LD
I
N
S
TA
LLE
D
)
N
O
TE
2
B
V
S
S
(F
IE
LD
I
N
S
T
A
LL
E
D
)
N
O
TE
2
N
O
TE
2
N
O
TE
2
HEAT ON DELAY: 30 SEC
SWITCH 3 NOT DEFINED
OR SWITCH 3 NOT USED
Summary of Contents for 9MPT050F12A
Page 46: ...46 440 01 2020 01...