ICP 9MPT - Wiring Diagram: *9 MPV050(A2) 1;2 HP DC Blower Motor

Two- Stage Multi Position Furnace
Service
Manual
56
440 08 2002 02
AL WAYS CHECK CURRENT TECHENICAL SUPPORT MANUAL
THIS DATA IS SUBJECT TO CHANGE WITHOUT NOTICE
Wiring Diagram (
1
/
2
HP DC Blower Motor) *9MPV050(A2)
12
30 SEC.
12
12
12
12
2 STAGE
43
12
SINGLE STAGE
4
3
LIMIT
MAIN
12
1
*
THERMOSTAT
4
2 STAGE
P2
INTERNAL CIRCUIT BOARD W
IRING
LOW VOLTAGE FIELD
LOW
VOLTAGE FACTORY
LINE VOLTAGE FIELD
LINE VOLTAGE FACTORY
8
2
N
HUM
N
EAC
24V
N
HUM
ON
34
43
SETTING
FACTORY
4
60 SEC.
THERMOSTAT TYPE
33
100 SEC.
4
HOT 115V-60HZ NEUTRAL
DANGER: ELECTRICAL SHOCK HAZARD
DISCONNECT BEFORE SERVICING
GND.
SWITCH
INTERLOCK
CONNECTION DIAGRAM
SWITCH
INTERLOCK
BOX
CONNECTION
FIELD
COOL OFF DELAY: 60 SEC
COOL ON DELAY: 5 SEC
1013361-B
SEE MANUALS FOR ADJUSTING SW
ITCHES FOR PROPER HEATING, COOLING & CIRCULATING SPEEDS.
S1
L1
EAC
CAPACITOR
(SOME MODELS)
N
LADDER DIAGRAM
60HZ
115V
3344
G
Y
G
R
W
1
W
2
G
Y
C
R
R
SWITCH
PRESSURE
SWITCH
PRESSURE
LOW
3
2
3
8
7
+
V
ALVE
G
AS
-
2
6
2
3
4
1
5
1
O
N
R
Y
4
BK
9
BK
HOT
8
5
W
6
51
GND
6
2
2
BL
7
3
NEUTRAL
84
3
1
Y
THERMOSTAT
SINGLE STAGE
R
R
Y
BL
BK
Y
W
W
BL
BK
IN
D
LO
W
H
E
AT LO
W
5A FUSE
G
BL
R
BR
Y
BK
C
G
G
Y
W
1
R
W2
24V SECONDARY
115V PRIMARY
FAN CONTROL MODULE
12
140 SEC. 60 SEC.180 SEC.
4
3
12
1
8
FURNACE CONTROL
R
SWITCH
PRESSURE
HIGH
R
GAS VALVE
R
SWITCH
PRESSURE
LOW
MAIN LIMIT
BL
3
4
7
THERMOSTAT
2-STAGE
2
VALVE
GAS
5
R
N
BL
BL
N
SENSOR
1
2
3
4
L1
IGNITER
BK
W
+
2 STAGE
BK
P
BL
(LP MODELS ONLY)
SW
ITCH
LP PRESSURE
4
2
4
L1
HEAT HI
IN
D
H
I
COOL
EAC
HUM
CONT
IN
D
IN
R
W
W
O
W
W
P1
W
MOTOR
INDUCER
M2
M1
W
L1
XFMR
O
L1
BK
BK
1
4
4
P1
2
1
5
3
7
4
6
5
3
6
9
1
W
1
Y
W
2
G
TRANSFORMER
Y
W
LINE
120 VAC
XFMR DC MTR
P1
COM
3
NEUTRAL
2
1
VAC
24
47
P2
Y2
C
R
(OPTIONAL)
HUMIDISTAT
W
G
Y
Y
W1
G
T
R
A
N
S
F
O
R
M
E
R
HIGH
INDH
M
O
TO
R
IN
D
UC
ER
LO
INDIN
INDL
1
2
34
3
1
115V
R
R
COM
BR
24VAC
BR
5
A
F
U
S
E
2
4
V
A
C
IGNITER
SENSOR
2 STAGE
-
+
-
SHIELD
BEAD
G
BL
HIGH
IF ANY OF THE ORIGINAL W
IRE AS SUPPLIED W
ITH THE APPLIANCE MUST BE
REPLACED, IT MUST BE REPLACED WITH TYPE AWM-105ºC WIRE OR EQUIV.
SHIELD
BEAD
115V HOT
JUM
PER, SURGE
JUM
PER, SURGE
115V NEUTRAL
JUMPER, 115V
JUMPER, 115V
DC MOTOR
CONTROL
*AIRFLO
W
D
IP S
W
ITC
H
ES
1
MOTOR
BLOW
ER
DC
G
BL
Y
R
G
BL
Y
R
DC
BLOWER
MOTOR
MOTOR
BLOW
ER
DC
HEAT OFF DELAY
HEAT ON DELAY
CAPACITOR
(SOME MODELS)
ROLLOUT SWITCH 1 TO 3 IN
SERIES DEPENDING ON MODEL
(HI VOLT FIELD)
COPPER
CONDUCTORS
ONLY
1
2
3
4
1
2
3
4
5
4
3
2
1
10
9
8
7
6
*A
IR
FLO
W
D
IP
SW
IT
C
H
ES
DC MOTOR
CONTROL
JUM
PER, 115V
JUM
PER, 115V
115V NEUTRAL
JUMPER, SURGE
JUMPER, SURGE
115V HOT
W
2
1
4
23
5
6
BK
BL
BR
G
O
R
W
Y
P
BLACK
BLUE
BROWN
GREEN
ORANGE
RED
WHITE
YELLOW
PURPLE
COLOR CODE
ROLLOUT SWITCH 1 TO 3 IN
SERIES DEPENDING ON MODEL
1
2
3
4
1
2
3
4
*A
IR
FL
O
W
D
IP
S
W
ITCH
ES
DC MOTOR
CONTROL
JUMPER, 115V
JUMPER, 115V
115V NEUTRAL
JUMPER, SURGE
JUMPER, SURGE
115V HOT
5
4
3
2
1
10
9
8
7
6
CIRCUIT BOARD
LP PRESSURE
SWITCH
(LP MODELS
ONLY)
1
2
3
4
1
2
3
4
5
4
3
2
1
10
9
8
7
6
EAC +HUM: 0.8 A MAX. COMBINED
234567
8
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8
2-STAGE
NOTE: MOST VOLT METERS WILL READ 13-16
VOLTS TO CHASSIS ON BOTH SIDES OF AN OPEN
LIMIT OR PRESSURE SWITCH IN THE RECTIFIED
AC VOLTAGE CIRCUIT
W2
W1
6
RECTIFIED AC VOLTAGE FACTORY