GENERAL INFORMATION
Whirlpool Compact Heat Pump Dryer
n
1-5
3$*(
FOR SERVICE TECHNICIAN’S USE ONLY
DO NOT REMOVE OR DESTROY
IMPOR
TANT
:
Electrostatic discharge may cause damage to machine control electronics. See page 1 for ESD infor
mation.
HEAT PUMP DRYER WIRING DIAGRAM
Figure 6 - Wiring Diagram, Heat Pump Dryer.
W
W
W
W
GY
GY
GY
BU
BU
W
W
W
W
BK
BK
BU
BU
GY
GY
BR
BR
R
BR
BR
BR
BU
G-
Y
BK
W
W
R
BR
BR
G-
Y
BU
GY
GY
OR
W
R
BK
BK
R
W
BK
R
G-
Y
NOTE:
The door switch is a part of the ACU.
General Theory of Operation (continued)
Heat Pump Dryer New Components
Post Condenser Fan
– used for cooling the refrigerant in the post condenser. The fan is connected to J2 on the ACU.
Drain Pump
– to drain water in the sump collected from the evaporator. The drain pump is connected to J3 on the ACU.
Water Level Switch
– checks the water level in the sump. If the tank is full, the switch will be open. If the tank is empty, the
switch will be closed. The water level switch is connected to J8 on the ACU.
HX Filter Switch
– is a magnetic reed switch that signals the ACU when the Heat Exchanger Lint Filter is not installed. The dryer
will not operate if the Heat Exchanger Filter is not detected. The filter switch is connected to J8 on the ACU.
Whirlpool Heat Pump Compact Dryer Block Diagram
The Heat Pump Compact Dryer is not unlike its predecessor—the Whirlpool Hybrid Heat Pump Dryer. Most of the components
used in the Whirlpool Hybrid Dryer are also used in the new Heat Pump Compact Dryer. Think of the compressor as the heater.
RFI
MO
TOR
COMPRE
SSOR
W
ATER LEVEL S
WIT
CH
AC
U
Figure 4 - Block Diagram
MOIS
TURE
SENSOR
DRAIN PUMP
TEMP SENSOR
8.03 OHMS 8.89 OHMS
HX FIL
TER
SWIT
CH
USER
INTERF
A
CE
POS
T C
OND F
AN