Installing Your Thermostat - Honeywell RTH9580 Wi-Fi User Manual

Installing your thermostat

You might need the following tools to install this thermostat:
• No. 2 Phillips screwdriver
• Pen
• Pencil
• Level (optional)
1 Switch OFF power to your
heating/cooling system.
Important! To protect your
equipment, switch OFF the power
to your heating/cooling system
at the breaker box or the system
switch.
• Drill and bits (3/16" for drywall,
7/32" for plaster) (optional)
• Hammer (optional)
• Electrical tape (optional)
breaker
7
or
Heating/cooling
Circuit
system power
box
switch