Ship control panel AHD 408 E / A

for yachtsstandby pumpwith alarm

Stand-by Pump Control for 2 Loops with Attached Main Pump and Electrically Driven Stand-by Pump The stand-by pump control AHD 408 A is a microprocessor-controlled device for the independent control and monitoring of 2 loops, with main pump driven by ship main engine and electrically driven stand-by pump. Product Features Compact design for console, panel or switchbox installation Front dimension 72mm x 144mm, insertion depth 216mm Degree of protection IP 20 (front side, with protection cover IP 54) Weight approx. 1.0 kg Power supply 24 V DC +30%/-25% Push switch for setting to operation of stand-by control, LED indication for operation of stand-by pump and stand-by alarm, indication for high rotating speed of main engine and normal pressure indication integrated in front panel of the unit for each loop After switching on, build-up of pressure is performed by stand-by pump without release of stand-by alarm, after reaching speed, operation switch point changes over to operation with attached pump Automatic start of stand-by pump in case of pressure loss with stand-by alarm Reset of stand-by alarm by means of push switch to “ON” Engine speed input with function monitoring Lamp test push button Text field in front panel of the unit for easy replacement Relay output for pump contactors: potential free contacts, max. 250 V AC, 3 A Common alarm and common alarm repetition, potential free contacts, max. 48 V DC/AC, 1 A All connections on 24-pole terminal on rear side of the unit Inputs isolated from remaining electronics by means of optocouplers Type approved by Germanischer Lloyd (further approvals on demand)