Whirlpool ATE0743RPP, Technical Manual

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4-3
8. To remove the mode switch:
a) Raise the locking tab with a screwdriver
blade, rotate the switch body to the
right approximately 1/4-turn, and re-
move it from the chassis (see the round
inset photo in step 7).
b) Disconnect the wires from the switch
terminals. NOTE: Disconnect the wires
one at a time from the old switch, and
install each of them to the identical
terminals on the new one. This will help
prevent miswiring. The switch wiring is
shown below, and is also shown on the
Wiring Diagram supplied with the unit.
6
5
COM
L1
H L
L2
2
9
1 3
8
4 7
BR
(Jumper)
RD
(Cap)
Smooth
(Power)
OR
(Heat Ant)
Ribbed
(Power Cd)
BU
(Hot Start Relay)
(Fan Cycle Sw)
BU
YL (Fan Cycle Sw)
BU
(Thermostat)
RD
(Thermostat)
BK
(Fan Mtr)
RD
(Fan Mtr)
BK (Thermostat)
BU (Temp Ctrl)
RD (Rev. Valve)
RD (Hot Start Sensor)
WH (Hot Start Relay)
Locking Tab
BK (Fan Cycle Sw)
L3 C2
H1
OR (Heat Anticipator)
BU (Mode Sw-Pin 3)
BK (Mode Sw-Pin 2)
RD (Mode Sw-Pin 1)
BK (Rev. Valve)
9. To remove the indoor thermostat:
a) Disconnect the wires from the indoor
thermostat terminals. NOTE: The wir-
ing for the thermostat is shown to the
right, and also on the Wiring Diagram
supplied with the unit.
b) Pull the sensing bulb & heat anticipator
assembly off the front of the evaporator
(see the photos to the right).
c) Pull the sensing tube out of the holder
and through the grommet in the control
chassis, and remove the indoor ther-
mostat.
10. To remove the heat anticipator:
a) Disconnect the orange wires from the
indoor thermostat and mode switch ter-
minals.
b) Push the strain relief out of the control
chassis hole and remove it from the two
orange wires.
c) Pull the sensing bulb & heat anticipator
assembly off the front of the evapora-
tor.
d) Pull the sensing tube out of the holder
and remove the heat anticipator.
Strain Relief Grommet
Sensing Bulb & Heat
Anticipator Holder
Sensing Bulb
Heat Anticipator