Wiring Diagrams; Drain Pump; Lid Lock - Whirlpool WTW4800XQ Technical Manual

FOR SERVICE TECHNICIAN'S USE ONLY
Wiring Diagram #1 (1/4 HP motor, separate pressure switch, 1 or 2 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.
Power
Cord
J7
1
L1
GND 2
N 3
J3
White
1
Water 2
Valves
3
890 to 1.3k ohms
Red
Hot 4
Blue
5
Cold
6
Water Temp
Thermistor
7
10C (50F) 97k to 102k
25C (77F) 49k to 51k
40C (104F) 26k to 27.2k
8
Black
9
Black
10
Pressure switch contact
closes when water
reaches set level.
Pressure
J4
Switch
1
1
3 3
Left
Rotary
Rotary
Encoder
Encoder
E1 J11
E2
1
2
3
4
5
6
Encoder positions viewed
from front of washer. Some
models feature E2 only.
Legend
PAGE 20
Main Control
Shifter Position
Temperature
Input
Pressure
Switch Input
Encoder
Switch
Inputs
Lid
Switch
input
Figure 9 - Wiring Diagram #1
J2
1
input
2
RPM input
Gray
3
Black
4
+13vdc
Brown
5
White/Blue
J16
1
2
3
4
5
A
6
Motor Run
B Capacitor
7
Orange
Green / Yellow
J15
4
3
2
1
DO NOT REMOVE OR DESTROY
Shifter
Spin
Blue
7
Agitate
Pink
Optical
6
Sensor
Circuit
5
4
120Vac Motor
3
2
Motor Resistance
Tan
2k to 3.5k ohms
1

Drain Pump

120Vac Motor
2
Lt Blue
1
Motor Resistance
14 to 25 ohms
1/4 HP
PSC Motor
White
9
Red
6
CW winding
1
Each Winding
Inductive
5 to 9.5 ohms
wire loop
Yellow CCW winding
3
3
1 Motor Frame

Lid Lock

Lock Switch
Red
White
Lid Switch
Blue
Open when
lid is open
Yellow
120Vac
Lock Switch Solenoid
85 to 155 ohms