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PAGE 21
FOR SERVICE TECHNICIAN’S USE ONLY
DO NOT REMOVE OR DES
TROY
Wiring Diagram #2
(1/3 or 1/4 HP motor, onboard pressure transducer,
3 or 4 rotary switches)
IMPORTANT:
Electrostatic discharge may cause damage to machine control electronics. See page 1 for
ESD information.
NOTE:
Schematic shows shifter in SPIN position, lock switch open, and motor off.
Legend
1
2
L1
N
1
2
3
4
5
6
7
8
9
10
Hot
Cold
J3
J7
Water
Valves
890 to 1.3k ohms
Spin
Agitate
7
6
Optical
Sensor
Circuit
5
4
3
2
1
120Vac Motor
Shifter
Motor Resistance
2k to 3.5k ohms
2
1
Drain Pump
Motor Resistance
14 to 25 ohms
9
6
3
1
Motor Frame
Each Winding
3.5 to 6 ohms
PSC Motor
CW winding
CCW winding
1
2
3
4
5
J2
+13vdc
RPM input
Shifter Position
input
1
2
3
4
5
6
7
J16
4
3
2
Lock Switch
Lid Switch
Open when
lid is open
1
120Vac
Lock Switch Solenoid
85 to 155 ohms
120Vac Motor
Lid Lock
Lid
Switch
input
J15
Main Control
Red
White
Blue
Yellow
GND
Power
Cord
Blue
Red
White
Blue
Pink
Gray
Black
Brown
White/Blue
Tan
Lt Blue
White
Red
Orange
Green /
Yellow
Yellow
3
A
B
1
2
J10
3
4
5
6
1
2
3
4
5
6
J11
Encoder
Switch
Inputs
Rotary
Encoder 2
nd
from right
E2
Rotary
Encoder
Right Most
E1
10C (50F) 97k to 102k
25C (77F) 49k to 51k
40C (104F) 26k to 27.2k
Water Temp
Thermistor
Temperature
input
On Board
Pressure
Transducer
Pressure
Hose to TUB
Rotary
Encoder 3
rd
from Right
E3
Rotary
Encoder 4
th
from Right
E4
Row 5
Row 4
Row 3
Row 2
Black
Black
Encoder positions viewed
from front of washer.
1/3 or 1/4 HP
OPTIONAL
Run
Cap/
Inductor
1
3
Figure 10 - Wiring Diagram #2
Summary of Contents for MVWC450XW4
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