SMART-E-MD

ELECTRONIC SINGLE PHASE DIRECT START CONTROL PANEL WITH MICROPROCESSOR - 2 ELECTRIC PUMPS 

· N. 5 inputs for floats or pressure switches;

· Command with buttons and LEDs;

· Alarm output relay with changeover contact N.O. / N.C. (250 V~ 5 A max, resistive load);

· Selector for stop input operation mode (emptying or filling);

· Self-hold (excludable): operation in emptying or filling mode with separated start and stop floats;

· Alternated pumps start (excludable) with forced exchange for 6 / 12 / 24 hours continuous run of the same pump (selectable);

· Second pump start with adjustable delay (0-30 s);

· First pump stop with adjustable delay (0-180 s); · Periodical pump unlock every 48 hour / 1 week (selectable);

· Alarm signal for dry running and stop level or pressure (excludable);

· Alarm or regular operating signal on relay output (selectable);

· Pumps control through maximum level or maximum pressure alarm input (selectable);

· Starting mode of one or both pumps by means of floats or control pressure switch (selectable);

· Non contemporaneous pumps start and stop;

· 10 s start on-delay after power supply restoration;

· TEMPORARY MANUAL starting by keeping push the button;

· Main disconnecting switch with door lock;

· Single phase motor starting contactor, only in SMART-E-MD20-K model (suggested for frequent starting);

· Adjustable electronic protection for motor overload;

· Protection for power supply;

· Electronic protection against dry running with adjustable intervention threshold and restoration time 1-60 min (excludable);

· Maximum start per hour (30 o 60) (excludable);

· Motor supply and auxiliary circuit protection fuses;

· Contactor command circuit voltage as power supply (only for SMART-E-MD20-K);

· Very low voltage inputs;

· Running capacitor predisposition 12,5/16/20/25/30/35/40/45/50/60/70/75/80 µF