Installing Your Thermostat

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Before you begin installing your thermostat, please be advised that It is always a good practice to consult the owner’s manual for your HVAC system.  If necessary, consult an HVAC technician to ensure proper installation.

 

Locating the Thermostat

If this is to replace an existing thermostat, just use the existing thermostat location.

If this is a new install follow these suggestions:

  • Locate the thermostat about 5 ft. off the floor away from direct sunlight, lamps, radios, televisions, fireplaces, hot water pipes, or other heating or cooling sources.
  • Do not locate the thermostat near doors to the outside or windows.
  • Do not locate the thermostat in a damp area.
  • Do not locate the thermostat in an area that lacks air circulation.

Remove Existing Unit

  • Switch OFF the electricity to the HVAC unit.
  • Remove the cover to the existing thermostat
  • Make a note of the terminal location for each wire connected to the thermostat wiring terminals. Wire colors are not standard so it is important to note the terminal label each wire is connected to on the existing thermostat.
  • While removing each wire from the existing thermostat wiring terminal, make sure to secure the wire so that it does not fall back into the wall.
  • Once all wires are removed from the existing thermostat wiring terminal, remove the existing thermostat from the wall.
  • Make sure to leave at least 3” of wire for each connection onto the CentraLite thermostat wiring terminal.
  • Remove 1/8” insulation from the end of each wire.

Installing The Thermostat

  • Place each wire in the appropriate wire terminal. The wiring terminal is labeled as follows:

  • By default the CentraLite thermostat comes with a wire jumper connecting the RH and RC power terminals. On most units only one power source is used and can be connected to both RH and RC. But if you have a millivolt system or other type of HVAC system it may require separate power sources for Heating and Cooling. In this case you will remove the jumper and separately power RC and RH.
  • The CentraLite thermostat can be powered by 4 AA batteries or by the power from the 24V off the HVAC unit if a Common wire is available. Even if you use the common wire for power you should still install 4 AA batteries as a backup for the thermostat time clock.
  • Connect the wires to the terminal at the top of the thermostat. Note that the wires must route around the back of the ther-mostat into the wall.
  • Hold the thermostat up to the wall in the desired position. Mark where the 4 holes are to be drill. Drill 4 3/16 holes for the wall anchors.
  • Use the included wall anchors and screws to mount the thermostat securely onto the wall.
  • Install 4 AA batteries into the battery compartment at the bottom of the thermostat.
  • Snap the outer cover onto the thermostat.

Thermostat Configuration

  • From the factory the thermostat comes configured to work with single stage Cool/Heat, Single Speed Fan systems.
  • If your HVAC system is different refer to the programming section to configure the thermostat for your system.
  • If you have separate power for RH and RC then you will need to remove the factory installed jumper between RH and RC.

 

A copy of the thermostat installation guide can be found at the following link.

ThermostatInstallationGuide

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