What’s this relay

[FrankNicklin]

Relay next to consumer unit and fuse board in the wardrobe. Guessing it switches between Vehicle and leisure battery from the control panel when on EHU. 52 Plate Swift.

 

[lunarman]

Could also be the relay that switches the 12v to the fridge heater element when the engine is running.

 

[FrankNicklin]

Could also be the relay that switches the 12v to the fridge heater element when the engine is running.

Thought they were under the bonnet. Just thinking that as it is so close to the EHU and charger that it switches between the VB and LB charging via the MH control panel. Will have to listen to it to see if it clicks when the panel is operated.

 

[autorouter]

it switches between the VB and LB charging via the MH control panel.

It's an on/off relay not a changeover relay. there are only two power wires, not three as required by a changeover relay. So it doesn't switch between two things, it is on/off only. The wire doesn't look beefy enough for it to be the relay that switches all the hab circuits off when the engine starts, but it could be the fridge relay for example, as lunarman suggested.

 

[FrankNicklin]

It's an on/off relay not a changeover relay. there are only two power wires, not three as required by a changeover relay. So it doesn't switch between two things, it is on/off only. The wire doesn't look beefy enough for it to be the relay that switches all the hab circuits off when the engine starts, but it could be the fridge relay for example, as lunarman suggested.

OK thanks for the details. Will take a closer look.

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