Product details:
Fantech EDF7 is an electronic multifunction dehumidistat that is Compatible with all Fantech hrv/erv (except Sh/vh 704). this control has 3 possible modes of operations: ventilation mode, recirculation and standby. In AUTO Setting, the EDF7 will activate normal speed ventilation when the indoor relative humidity is above the desired set point. Duringsummer, the AUTO Setting can be deactivated to lower energy consumption.