Whirlpool ATE0743SPP Technical Manual page 19

9. Secure back plate to wall with 2 anchors
and screws (provided) making sure all
wires extend through hole in back plate.
10. Connect wires to proper terminals of the
thermostat connector block.
1. Typical PTAC/PTHP unit
2. Used for PTHP only
3. Wall thermostat
11. Push any excess wire back into wall. Ex-
cess wire inside the thermostat housing
can interfere with proper airflow across
the temperature sensor. Seal hole in wall
to prevent air leaks. Air leaks can affect
operation.
12. Install thermostat housing on back plate.
13. Reattach the PTAC/PTHP front cover.
14. Reconnect power.
NOTE: On power up, the LCD readout will dis-
play "oP" momentarily, and then the room tem-
perature.
1
2
3
1
4
5
6
0.8"
(20.3 mm)
2
3
1. Heat display
2. Cool disp lay
3. Fan display
WHIRLPOOL DIGITAL
THERMOSTAT OPERATION
Error Messages
E4
- - (two dashes)
Random Restart Feature
After a power outage, the Whirlpool digital ther-
mostat will wait between 3 and 5 minutes be-
fore allowing the unit to restart. This is to keep
multiple units from restarting at the same time
when power is restored, thus preventing a cir-
cuit overload.
2-11
4.55"
(115.6 mm)
4. Set display
5. Mode button
6. Fan butto n
Internal memory failure.
Replace thermostat.
Cannot read room tem-
perature. Replace
thermostat.
3.30"
(83.8 mm)