14
REMOVING YOUR OLD THERMOSTAT (CONT.)
6. Carefully disconnect the wires. Each thermostat is dierent, but usually you use a Philips head screwdriver to loosen a
screw or press a release button to remove the wire.
Important:
• Check if you have a C wire connected to your old thermostat. The C wire is used to provide power to the
thermostat. [Figure 1.7]
• If you have a C wire, go to Installing Thermostat with a C Wire (page 15).
• If you do not have a C wire, go to Installing Thermostat without a C Wire (page 22).
Figure 1.7
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