Whirlpool WED99HEDC0, Technical Education

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4-6
n
HybridCare™ Dryer with Heat Pump Technology
COMPONENT ACCESS
Removing the CCU and REX
To Remove the Cycle Control Unit (CCU)
IMPORTANT: Electrostatic Discharge (ESD) Sensitive Device.
Failure to follow the ESD precautions outlined at the
beginning of Section 6 “Testing” may destroy, damage, or
weaken the main control assembly.
1.
Unplug dryer or disconnect power.
2. Perform the procedures on page 4-4, “Removing the Top
Panel” prior to performing the following steps.
3.
Disconnect all connectors from the CCU (see Figure 1).
4. Using a 1/4” nut driver, remove the one (1) hex-head
screw securing the CCU to the control bracket.
To Remove the Relay Expansion (REX)
IMPORTANT: Electrostatic Discharge (ESD) Sensitive Device.
Failure to follow the ESD precautions outlined at the
beginning of Section 6 “Testing” may destroy, damage, or
weaken the main control assembly.
1.
Unplug dryer or disconnect power.
2. Perform the procedures on page 4-4, “Removing the Top
Panel” prior to performing the following steps.
3.
Disconnect all connectors from the REX (see Figure 1).
4. Using a 1/4” nut driver, remove the one (1) hex-head
screw securing the REX to the control bracket.
WARNING
Electrical Shock Hazard
Disconnect power before servicing.
Failure to do so can result in death or
electrical shock.
Replace all parts and panels before operating.
Connector Component(s)
Compressor Relay Compressor
Heater Relay Heater
P2 User Interface
P5 Relay Expansion
P8 Drain Pump
Door Switch
Float Switch
P9 Motor
P13 Moisture Sensor
P14 Compressor Thermistor
Outlet Thermistor
Reed Lint Switch
Cycle Control Unit (Figure 1)
Relay Expansion (Figure 2)
Connector Component(s)
J1 L1 & Neutral
J2 Auxiliary Fan
J3 CCU
J3 J1
J2
Compressor
Relay
P13 P9
P8
Heater
Relay
P5
P2 P14