Combined Stand-by Pump and Compressor Control for 1 Electrically Driven Pair of Pumps and 1 Electrically Driven Pair of Compressors, with Black-out Function
The stand-by pump control AHD 408 E-K is a microprocessor-controlled device for the independent control and monitoring of 1 pair of electrically driven pumps and one pair of electrically driven compressors, with stand-by control and black-out-function.
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%
Selector push switch for main pump resp. main compressor, and push switch for setting the pair of pumps resp. compressors to operation, LED indication for operation of main or stand-by pump resp. compressor, stand-by alarm and normal pressure indication integrated in front panel of the unit for each pair of pumps resp. compressor
After switching on, build-up of pressure is performed by stand-by pump, thereafter changes over to operation with main pump
Automatic start of stand-by pump in case of pressure loss with stand-by alarm
Control of pair of compressors, in dependence of status of 3 pressure switches for low, medium and high pressure