N
2 STAGE
8
5
1
6
2
4
1
3
7
N
SENSOR
(SOM
E M
O
DELS)
CAPACITOR
IG
NITER
HUM
EAC
N
M
O
T
O
R
IN
D
U
C
E
R
INDH
LO
N
HIGH
2
1
H
O
T
N
E
U
T
R
A
L
O
N
LY
C
O
P
PER
G
N
D
R
BK
W
BL
BK
Y
IGNITER
SENSOR
R
GAS VALVE
HEAT OFF DELAY HEAT ON DELAY THERMOSTAT TYPE
3
M
A
IN
LIM
IT
43
SETTING
FACTORY
60 SEC.
100 SEC.
SINGLE STAGE
12
12
12
12
3
12
2 STAGE
30 SEC.
FAN CONTROL MODULE
4
43
4
3
12
Y
BL
R
R
G
THERMOSTAT
SINGLE STAGE
R
BL
Y
W
Y
4 5 6
1
3 2
BL
W
G
BR
TRANSFORMER
BR
C
BK
TRANSFORMER
115V
XFMR
24V
24VAC
C
O
M
2
8
1
9
6
P
1
3
5
4
3
O
N
CONNECTION DIAGRAM
DISCONNECT BEFORE SERVICING
DANGER: ELECTRICAL SHOCK HAZARD
4
SWITCH
INTERLOCK
COOL OFF DELAY: 60 SEC
COOL ON DELAY: 5 SEC EAC + HUM: 0.8 A MAX. COMBINED
BO
X
C
O
N
N
EC
TIO
N
FIELD
1013360-A
1
S1
VALVE
G
AS
A
C
IR
C
U
IT BO
AR
D
G
ND
.
COOL HI (BK)
HEAT H MHI (O)
HEAT L MLO (BL)
M1 LO (R)
CONT (OPT)
L
1
L
1
L
1
L1
L
1
M2
SWITCH
PRESSURE
LOW
FURNACE CONTROL
DEPENDING ON M
ODEL
1 TO
3 IN SERIES
RO
LLO
UT SW
ITCH
M
A
IN
LIM
IT
SWITCH
HIGH PRESSURE
R
C
Y
W1
G
W
2
R
G
W
2
W
1
R
G
1 2 3 4
A
(H
I VO
LT FIELD
)
G
W
1
Y
W
2
R
THERMOSTAT
2-STAGE
60HZ
115V
6
1
5
5
A
F
U
S
E
M
2
M
1
F
U
S
E
5 A
SEE
M
ANU
ALS FO
R
AD
JU
STING
SPEE
D TAPS FO
R
PR
O
PE
R HEATIN
G
, C
O
O
LIN
G
& C
IR
CU
LATIN
G
SPE
ED
S.
2
INTERN
AL C
IRC
U
IT BO
AR
D
W
IR
IN
G
LO
W
VO
LTAG
E FIELD
LO
W
VO
LTAG
E FAC
TO
RY
LIN
E VO
LTAG
E FIELD
LINE VO
LTAG
E FA
CTO
R
Y
*
ORANGE-MHI RED-LO
BLACK-HI BLUE-MLO
SPEED TAP CODE
H
E
A
T
LO
W
IN
D
LO
W
P
UR
PLE P
YELLO
W
Y
W
HITE W
RED
R
O
RA
NG
E O
G
R
EEN
G
B
R
OW
N
BR
BLU
E BL
BLA
CK BK
IN
D
IN
IN
D
H
I
3
CO
LO
R
CO
DE
24V
S
E
C
O
N
D
A
R
Y
11
5V
P
R
IM
A
R
Y
P1
4
4
3
21
7
8
4
4343
12
4
3
60 SEC.180 SEC.140 SEC.
E
A
C
-
BL
SWITCH
PRESSURE
HIGH
SERIES DEPENDING ON MODEL
ROLLOUT SWITCH 1 TO 3 IN
O
BL
BL
O
MOTOR
INDUCER
W
BR
BR
R
BK
O
R
N
E
U
T
R
A
L
(SOME MODELS)
CAPACITOR
H
E
A
T H
I
C
O
O
L
H
U
M
C
O
N
T
BK
BK
R
R
W
W
W
SWITCH
PRESSURE
LOW
W
W
+
2 STAGE
BK
P
BK
BL
(LP M
O
D
E
LS O
N
LY)
SW
ITC
H
LP PR
ES
SU
R
E
W
3
4
R
O
N
2 STAG
E
2
3
4
-
+
TH
ERM
O
STA
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
2
4
LINE
120 VAC
C
O
M
3
2
4
1
MOTOR
BLOWER
PSC
4
(LP M
ODELS ONLY)
SW
ITCH
LP PRESSURE
12
12
W
P2
Y2
C
G
Y
W
1
CAPACITOR
R
7
W
1
W
2
M
O
T
O
R
B
LO
W
E
R
P
S
C
N
N
AWM - 105°C WIRE OR ITS EQUIVALENT.
MUST BE REPLACED, IT MUST BE REPLACED WITH TYPE
IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE
P2
1
2
3
4
7
5
6
HO
T 115V-60HZ N
EU
TR
AL
SW
ITCH
IN
TER
LO
C
K
LADDER DIAGRAM
L
1
L
1
INDIN
HUM
L
1
EAC
INDL
L
1
CAPACITOR
8
9
5
4
2
R
6
3
1
5
4
6
7
1
3
8
2
2
3
4
1
N
O
TE:
M
O
S
T VO
LT M
ETER
S W
ILL R
EAD 13-16 VO
LTS TO
C
HA
SSIS O
N
BO
TH SID
ES O
F AN
O
PEN
LIM
IT O
R
PR
ESSU
R
E SW
ITC
H
IN
TH
E R
ECTIFIED
AC
VO
LTAG
E C
IR
C
U
IT
C
O
N
D
U
C
TO
R
S
R
EC
TIFIED
A
C VO
LTAG
E FAC
TO
R
Y
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