Question about Honeywell CT87B ROUND HEATING&COOLING MECHANICAL THERMOSTAT - WHITE Heater
If you are replacing the same type of thermostat, the particular model you have can be used for heating and air conditioning using either gas or oil as a fuel source.
Even though it is low voltage, still turn off the power to your heating system and then you can begin. Label the wires that come off of the old t-stat with the letters on the back of the old thermostat they are unscrewed from.
Wrap the wires around something that is not metal, a pen, pencil or small piece of wood so they don't fall into the wall.
Install the cover ring (if needed) as shown in the instructions. I have included instructions from honeywell for this t-stat below. Install the wallplate, be sure it is level, use the diagram in instructions to see how wallplate should sit.
Use the wiring for the systems you have and the amount of wires you have depending on your mechanical systems. Set the heat anticipator for the type of system you have and place the t-stat on the wallplate. Turn your power back on and test both systems to be sure they are running correctly.
Fine tune using the instructions, your done. Total time to install aprox. 30-40 minutes including testing etc.
Click here for the link to instructions.
Any additional issues, please don't hesitate to ask.
Posted on Jan 28, 2009
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Posted on Jan 02, 2017
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