Installing Your Thermostat - Honeywell RET97B5D User Manual

Installing your thermostat

You might need the following tools to install this thermostat:
• No. 2 Phillips screwdriver
• Small pocket screwdriver
• 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.
69-2805ES—03
• Drill and bits (3/16" for drywall,
7/32" for plaster) (optional)
• Hammer (optional)
• Electrical tape (optional)
8
or
Circuit Heating/cooling
breaker system power
box
M31535
switch