Setting the Control mode - Johnson Controls - TEC3022-1x-xxx - TEC3023-1x-xxx - TEC312x-14-xxx - TEC3322-1x-xxx - TEC3323-1x-xxx - TEC3622-1x-xxx - TEC3623-1x-xxx - Proportional Fan Coil Thermostat - Thermostats - TEC3000 Series Networked and Wireless Proportional Fan Coil and Individual Zone thermostats with Dehumidification Capability

The Control Mode informs the thermostat to run in Cooling only, Heating only, or Automatic mode, based on the temperature in the zone relative to the heating and cooling setpoints. Control Mode does not override equipment lockouts or changeover.