Mode (System) Switch; Heat Anticipator - Whirlpool ATE0743SPP Technical Manual

Disconnect power before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or electrical shock.

MODE (SYSTEM) SWITCH

Refer to page 4-2 for the procedure for servic-
ing the mode (system) switch.
1. Unplug air conditioner or disconnect power.
2. Disconnect the wires from the mode switch
terminals.
3. Set the ohmmeter to the R x 1 scale.
4. To check the switch contact operation,
touch the ohmmeter test leads to the switch
terminals shown in the following charts:
SWITCH CONTINUITY
SWITCH POSITION CONTACTS MADE
OFF
LOW COOL
COM - L2
HIGH COOL
COM - L2
SWITCH CONTINUITY
SWITCH POSITION CONTACTS MADE
OFF
NONE
L1 - 2
FAN ONLY
5 - 3
4 - 6
L - 9
HIGH HEAT
L1 - 2
5 - 3
4 - 6
H - 9
LOW HEAT
Electrical Shock Hazard

HEAT ANTICIPATOR

Refer to page 4-2 for the procedure for servic-
ing the heat anticipator.
1. Unplug air conditioner or disconnect power.
2. Disconnect the heat anticipator wires from
the mode switch terminals.
3. Set the ohmmeter to the R x 10K scale.
4. Touch the ohmmeter test leads to the
ends of the orange heat anticipator wires.
The meter should indicate approximately
56 K Ω .
NONE
8 - H
COM - L2
L1 - 8
L1 - 2
5 - 1
7 - 6
H - 9
COM - L2
L1 - 2
5 - 1
7 - 6
L - 9
COM - L2
5-2