Owner's Manual
Page 10
Heating or cooling does not come on the thermostat is set to Heat or Cool. • Check the system fuse or circuit breaker and replace or reset if necessary. • Check for air movement at the register. • Check power to the heating or cooling equipment. • Adjust the temperature ...
Heating or cooling does not come on the thermostat is set to Heat or Cool. • Check the system fuse or circuit breaker and replace or reset if necessary. • Check for air movement at the register. • Check power to the heating or cooling equipment. • Adjust the temperature ...
Installation Instructions
Page 1
... Electronic Thermostats INSTALLATION INSTRUCTIONS The T8400C and T8401C Thermostats provide singlestage, non-programmable temperature control for °F or °C. The T8401C Thermostat is replacing a control that contains mercury in a sealed tube, do not place your old control in ... circuitry. unheated (uncooled) areas such as provided in the trash. Registered Trademark Copyright © 2002 Honeywell • • All Rights Reserved 69- 1480- 1 The T8400C SUPER TRADELINE® model also includes two decorator cover plates for wiring and mounting thermostat) and owner...
... Electronic Thermostats INSTALLATION INSTRUCTIONS The T8400C and T8401C Thermostats provide singlestage, non-programmable temperature control for °F or °C. The T8401C Thermostat is replacing a control that contains mercury in a sealed tube, do not place your old control in ... circuitry. unheated (uncooled) areas such as provided in the trash. Registered Trademark Copyright © 2002 Honeywell • • All Rights Reserved 69- 1480- 1 The T8400C SUPER TRADELINE® model also includes two decorator cover plates for wiring and mounting thermostat) and owner...