Flyback diodes for the relays, and a diode to prevent the leisure batteries from back-feeding the alternatorįor easy access I opted to mount all the distibution components to a wooden board that will go above the charger unit in the cupboard.Connection points for the 12V feed from the charger.Plugs to connect to the original motorhome wiring (1x input mate-n-lok, 2x output mate-n-lok, 1x solar connection mate-n-lok, 1x 8-way panel connector).A shunt to measure the current going in/out of the leisure battery, to drive the ammeter on the control panel.12V systems relay (to turn the 12V supplies on when switched on from the control panel).Relay for the fridge (to power the fridge from 12V when the engine is running).Relay for split charge (to charge the leisure batteries when the engine is running).This is the schematic for the new system:. Next step was to design a distribution and fusing system to handle the rest of the Elektroblock functions, based on the original schematics for the EBL 4-105. Adding some 90 degree metal angles to the sides of the new charger allows it to slot into the exiting channels
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