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Thermaco, Inc. • 646 Greensboro St. • Asheboro, N. C. 27204-2548 • Phone (336) 629-4651 MNL-ISPS40000 2
14000 Series
Troubleshooting Heater and Thermostat
7. Unplug Red wire from ermostat. 8. Connect the Red wire to the heater as illus-
trated above.
9. Connect the unit to a power source and pull
the outer white tabs to the middle, on the time
of day arrow. (Arrow is circled in red in image
above).
10. If your heater starts warming up then your
thermostat needs to be replaced. If your heater
does not get warm then you will need to replace
the heater.
11. Once diagnose has been made, please
reconnect heater cable and jumper back to
original position.
12. Replace rear cover and secure with screws.