Setting the onboard controller


When first powered, the onboard controller will prompt you to do the setup. Press START

To enter the setup mode after initial setup has been saved, press SETTINGS button (left center)

  • Use the up or down arrow to change the setting.
  • Use the button Left of NEXT to advance to the next setting.

Onboard Controller Setup Menu

Setting

Description

Options

(Default-Bold)

Filter Reminder

Show a filter change reminder on display

Enable

Disable

Reminder Months

Number of months between filter change reminder.

1-12

Fresh Air

A spring-close/power-open ventilation damper is installed and wired to the FRESH terminals. Selecting Enable will open the damper during a call for ventilation.

Enable

Disable

Return Air

A spring-open/power-close zone damper is installed and wired to the RETURN terminals. Selecting Enable will close the damper during a call for ventilation if there is not also a call for dehumidification.

Enable

Disable

Ventilation

The dehumidifier will be used for fresh-air ventilation.

Enable

Disable

Vent Time

Number of minutes per hour the fan will run in ventilation mode

0-60

Control

Location of control. If Onboard Control is selected, the dehumidifier will ignore requests through the DEHUM and FAN terminals. If External Control is selected, the dehumidifier will monitor the DEHUM and FAN terminals for dehumidification and ventilation requests, respectively.

Onboard Control

External Control

Offset

Displayed humidity reading offset

-10% to 10% RH (0)

Note:
Grey section only apply to DHM090 & DHM120 models. DHM065 doesn’t have ventilation control.