How to Install a Honeywell 6000 Thermostat


The Honeywell FocusPRO 6000 line of thermostats offers a modern design and controls that are easy to use. Honeywell sells them in a variety of different models, which makes installation intimidating for those who haven't put in a new thermostat before. Not to worry, however. Provided you keep track of the different wires while you work, you can install a Honeywell 6000 fairly easily, using just a few household tools and the contents of the thermostat package itself.

Things You'll Need

  • Honeywell FocusPRO 6000 Drill with 3/16-inch or 7/32-inch bit Drywall anchors Masking tape Marker Screwdriver Pencil 2 batteries
  • Disconnect the power to your thermostat by tripping the circuit breaker leading to that part of the house.

  • Detach the old thermostat from the wall and carefully label each wire connected to it. The wires will be placed in metal screw terminals each marked by a different letter or series of letters. Write each letter on a piece of masking tape and wrap the tape around the wire connected to it.

  • Unscrew the terminals on the old thermostat and remove the wires. Tape them to the wall if they are in danger of slipping back through the hole.

  • Unscrew the old mounting plate from the wall and set it aside with the rest of the old thermostat.

  • Remove the battery holder on the FocusPRO 6000 and detach the thermostat from the wall plate.

  • Line the wall plate up on the wall, corresponding to the access hole where the wires protrude. Mark the insertion points for the screws on the wall with a pencil.

  • Drill two holes in the wall where you have marked. If you are installing the FocusPRO 6000 into drywall, use a 3/16-inch bit. If you are installing it into plaster, use a 7/32-inch bit.

  • Insert the two wall anchors that came with the thermostat into the holes you have drilled. Then screw the wall plate into place with a screwdriver, fitting the mounting screws into the anchors.

  • Match the wires up to their corresponding terminals on the FocusPRO 6000 wall plate. Each terminal should be marked by a letter corresponding to the masking tape on your wires (the exact number and type of letters depends on the model you have). When the wires are in place, tighten the terminal screws until they are held firm.

  • Insert a pair of batteries into the FocusPRO 6000 thermostat. They will provide back-up power to the thermostat in case of an electrical outage.

  • Line the thermostat up with the tabs on the wall mount and then push it into place. It should click when it locks into position.

  • Turn the power back on and program the thermostat as normal.

Tips & Warnings

  • While the wiring in the FocusPRO 6000 corresponds with those of most similar thermostats, there may be a few rare instances where the letter labels on the new thermostat don't line up with those on the old. If that is the case, consult the FocusPRO's instruction manual. It should tell you which letters correspond to which.
  • If the old thermostat contains a mercury switch, do not throw it away. Instead, call your city and ask for proper disposal instructions. You will need to take it to a facility which can get rid of it safely.

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