Whirlpool 4.3 CU FT Service Manual page 29

J4-1 L1 Motor
J4-2 L2 Motor
FM – Fan
J2-1 L1
J2-3 L2
DP – Drain Pump
APPLIANCE CONTROL UNIT (ACU) - FIGURE 1
J3-1 L1
J3-3 L2
WI1 – MCU communication
WI2 – User
interface
DP – Drain
pump
FM – Fan
M – Motor
supply
Figure 2 - ACU Connectors
& Pinouts
APPLIANCE CONTROL UNIT (ACU) PINOUTS - FIGURE 3
IF – RFI
J13-1 L1 In
J13-2 L2 In
HE – Compressor
J5-1 L2 Compressor
J5-2 L1 Compressor
FM – Auxiliary Fan
J2-1 L1 Fan
J2-3 L2 Fan
J17-1 VPOS
J17-2 +5VDC
J17-3 WIDE
J17-4 GND
SEH – Moisture Sensor
For Service Technician Use Only
J11-1 Gnd
J11-3 Moisture Sensor
IF – RFI
HX Filter &
J13-1 L1 Level Switch
J13-2 L2
HX-SLE
DP – Drain Pump
J3-1 L1 Pump
J3-3 L2 Pump
M – Motor Supply
J4-1 L1 Motor
J4-2 L2 Motor
WI1 – MCU Communication
J12-2 +12 VDC
J12-3 IN/OUT
J12-4 GND
Compressor (HP dryer)
Condenser dryer
J5-1 L2
J5-2 Heater 1
J5-3 Heater 2
WI1 – MCU Communication
J12-2 +12VDC
J12-3 IN/OUT
J12-4 GND
N/A Heater
SET1 SET2
HE
HE – Heater/
Compressor
Compressor
Door
Input Line Voltage
Switch
240 VAC Input
W12 – User Interface
J17-1 VPOS
J17-2 +5 VDC
J17-3 WIDE
J17-4 GND
SEH – Moisture Sensor
J11-1 GND
J11-3 Moisture Sensor
Whirlpool Compact Heat Pump Dryer
Exchanger Switch
and Level Switch
HP dryer
J5-1 L2
J8-1 Heat Ex 1
J5-2 Compressor
J8-2 Heat Ex 2
COMPONENT TESTING
J8-3 Float 1
J8-4 Float 2
SET1 – NTC Air Chan
J7-1 NTC Air 1
NTC Moisture
J7-3 NTC Air 2
Sensor
SET2 – NTC Heater
SEH
J6-1 NTC Heat 1
J6-3 NTC Heat 2
IF – RFI
DO NOT REMOVE OR DEST
HX-SLE – Heat Exchanger
Filter and Level Switch
J8-1 HX Filter Sw 1
J8-2 HX Filter Sw 2
J8-3 Water Lvl Sw 1
J8-4 Water Lvl Sw 2
SET2 – NTC Heater
J6-1 NTC Heat 1
J6-3 NTC Heat 2
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