The EPU-12 is a simple triac controller to regulate fans or lighting The EPU-12 can be controlled manually or by an 0-10 Vdc input signal from the main computer. If selected in manual control option, the display produces the voltage value of the input signal in a percentage. By using the arrow buttons on the EPU the minimum and maximum fan speed or lighting level can be set in a simple way, its control can be bridged by a switch mounted on the side of the EPU. Furthermore the EPU is equipped with a contact breaker in order to regulate alarm signalling. Input signal Fans / Lighting Holland Heater...