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How do I know if my split charge relay is working?
Disconnect the leisure battery , make sure the terminals are safely isolated from each other and the van, start the engine, wait a minute and check the voltage at the ends of the leisure battery leads, if you get 13. – 14 volts there the relay is working ok, switch the engine off and this voltage should disappear.
How does a split relay work?
STANDARD RELAY SPLIT CHARGE KITS A split charge relay kit uses a heavy-duty make-or-break relay switch to connect the leisure battery to the starter battery. The switch is activated when it receives a current greater than 12V whilst the engine is running.
Why is my split charge relay clicking?
s, it sounds like the relay is probably trying to close (thus combining your start and leisure batteries) while the MPPT is charging your leisure battery. This would typically be due to the relay’s voltage trigger being reached – thus why it stops when you apply a load to the leisure battery.
What is the purpose of a split charging system found on a camper van?
Split charging means charging both the campervan’s starter battery and house batteries at the same time from the same charging source. Starter batteries are quite different to the leisure batteries we use to power our campervan appliances.
How do I wire a split charge relay?
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’. Ensure this cable is thick enough to carry the maximum charging current of your alternator.
Why does my leisure battery click?
The clicking of a relay is because the voltage is just enough to cause it to operate but there is insufficient current.
How does a voltage sensing relay work?
The Voltage Sensitive Relay (VSR) allows two batteries to be charged at the same time. When the engine is started and the start battery reaches 13.7 volts, the VSR engages, allowing two battery banks (start and auxiliary) to be charged simultaneously.
How do I know if my leisure battery is healthy?
The only way I check is is to completly charge and then discharge into a known load say a 12v car bulb of known wattage and current,Measure the dischage current anyway to confirm and see how long it takes to discharge to get a amp per hr result.