Split Charge Relay Wiring Diagram

To fit a split charge relay first connect a 16sqmm red cable from the positive terminals of each battery bank to the large studs on the relay labelled 87 and 30.

Split charge relay wiring diagram.

The relay will then switch in the alternator feed to the leisure battery to let it charge just like the vehicle starter battery. Split charging relay smartcom voltage sensing the traditional method for split charging is to take a wire from the ignition to energise a relay when the engine is running. With the screws provided attach fuse box 1 and fuse box 2 as close to the main starter. Most kits will also come with the instructions so you should already have a ruff idea on what needs to be done.

Before starting the instillation the first thing you need to do is make a plan of where your. A super simple wiring diagram on how a split charge device directs power towards the leisure battery one it has been engaged. Existing wiring not shown for clarity. Fit the 2 fuses in the fuse holders.

Ensure this cable is thick enough to carry the maximum charging current of your alternator. Fit a fuse to one of these cables rated. A typical campervan split charging system has a device that connects the battery used to start the engine to the leisure battery when the engine is running. This is how you can install your split charge relay.

Welcome to raptor s garage. This system uses a heavy duty version of a simple make and break relay the coil of which is energised by a signal that is only 12v when the engine is running usually the charge signal wire from the alternator. The split charge relay switch will on and allow currant to flow through to the leisure battery when the voltage rises above 13 2volts. Basic wiring diagram for voltage sense system 2 1 3.