To Remove Existing Thermostat
The SimpleComfort
®
1800 thermostat is a digital, mercury-free, non-programmable, electronic thermostat.
• Compatible with single-stage heating systems
• Compatible as a master thermostat in zoned system applications
•
Freeze Protection Feature:
Protects pipes from freezing! If the room temperature drops to 40°F, the
thermostat automatically turns on the heat; the thermostat must be in the
Heat position; works even if the batteries are dead
•
System Customization:
Choose Fahrenheit or Celsius display; three available temperature differential
settings
ELECTRICAL SHOCK HAZARD
– Turn off power at the main service panel by removing the fuse
or switching the appropriate circuit breaker to the OFF position before removing the existing
thermostat.
1. Turn off power to the heating system by removing the fuse or switching off the appropriate circuit
breaker.
2. Remove cover of old thermostat. This should expose the wires.
3. Label the existing wires with the enclosed wire labels before removing wires.
4. After labeling wires, remove wires from wire terminals.
5. Remove existing thermostat base from wall.
6. Refer to the following sections for instructions on how to install this thermostat.
General Description
