Setting thermostat

Discussion in 'HVAC Heating & Cooling' started by rtorrez, Jun 8, 2008.

  1. rtorrez

    rtorrez New Member

    Apr 9, 2008
    I want to set my AC thermostat to 73 and for it to come back on when the room reaches 75-76 degrees. Is this done using the offset or anticipator option and how would I set it for those options? Is the anticipator for heat only? Yeah I am so new to this.
  2. jimbo

    jimbo Plumber

    Aug 31, 2004
    San Diego, CA
    The anticipator is for heat and is set to match the coil on your gas valve. It is not something you can adjust for your convenience.

    If you want closer swings, you will need a good programmable thermostat which has lots of user set-up features.
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  4. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona

    The differential is seldom adjustable because the greater the difference between the on/off temperatures, the longer the unit will have to run to satisfy the off setting. As a practical matter, the total run times will probably be the same. A small differential will just run for a shorter time more frequently. And in the process the humidity will increase adding to the AC load. The ideal system has the AC running fairly constantly to maintain an even temperature with maximum dehumidifaction, one reason for not using an oversized unit.
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