ACO/EC Auto-changeover panel

The dual EC fan controller is a mains powered, twin fan controller with enclosure, suitable for all EC 0-10V speed controllable fans.

The fans run alternately based on a selectable changeover period. Potentiometers allow setting of the two fan speeds, normal and boost. The fan speeds are selected by a switched live or from volt free contacts.

There is also an optional single-fan operation mode.

Two switched live inputs - Normal/Boost and Remote on/off

Alarm output for fan fail, solid state relay 60V/0.1A contacts

LED for Fan OK/Fault

LED Fan1/Fan2 run

Duty share/changeover 3/6/12/24 hour set via DIP switch

Boost speed start delay option select via DIP switch. Three minute fixed timer.

Boost speed run-on, period selectable 0-50 minutes by potentiometer

Remote enable input, volt free contacts

Normal/Boost fan speed delect input. volt free contacts

180mmL x 93mmW x 66mmH