Electrical wiring diagram - what have I missed / done wrong?

DIY
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Electrical wiring diagram - what have I missed / done wrong?

Trying to design the electrics for my campervan and have got this so far. I’m reasonably confident I’ve selected all the right parts I want in the system, but having never done this kind of thing before I’ve no doubt not thought of something.

One thing I’m not sure about is if there is enough space to run the 3 large cables through from under the bonnet to the van interior?

Would be good to get your thoughts, cheers.

Wiring_diagram_v001_03
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I have only looked at the Victron kit.

The DC to DC charger can get warm, if possible mount vertically to maximise cooling. You do not need the 40A fuse on the output side of the DC to DC charger, the DC charger output is limited by the input and the 40A fuse at the Roamer battery. Why do you have the battery protect, I would expect the Roamer battery BMS to have discharge shutdown on low voltage unless you want 2 independent layers of protection.

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I’ll be mounting this under the driver’s seat with good airflow to the heatsink at the back of the charger.

Good to know I can remove that then.

I’m not sure if it does, will need to find out. But don’t think I would really need 2 layers of protection if it does.

Thanks for your help