Emerson 1HDEZ-1521 installation instructions Main Menu

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Main Menu

Comfort or Dehum – Default is Off. Selecting either Comfort or Dehum will automatically reduce indoor humidity with a call for cooling if humidity is 2% above the humidity setpoint. If Comfort is selected, the system will slow the fan speed (variable speed blowers only) to increase the dehumidification process and cool based on the temperature

setpoint. If Dehum is selected, the system makes the dehumidification a priority over temperature. This setting uses more energy and may over-cool the space by up to 3° to achieve the desired humidity level. If Off is selected the system will control temperature to the cooling setpoint.

EMR (Energy Management Recovery) Default is On. With EMR selected On, the heating or cooling system will start early so the temperature in your home is at the desired temperature at the beginning of the program period. If set to Off, the system will not start until the beginning of the program period.

Maximum Heat Setpoint Temp. Default is 99°. Minimum Cool Setpoint Temp. – Default is 45°. These settings are the highest temperature limit in Heat mode or the lowest temperature limit in Cool mode. Select a setting of 99° to 45° for the maximum heating temperature or 45° to 99° for the minimum cooling temperature.

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