Operation

ERV 120, ERV 150

Fan On/Off with light switch or separate switch (both to be provided by the customer).

ERV 120 TC / ERV 150 TC with adjustable overrun time

Fan On/Off with light switch or separate switch (both to be provided by the customer). Fan switches off when the overrun time has elapsed after switching off: Overrun time 3 to 25 minutes, depending on the setting.