Using an inverter or generator to power combi boiler ignition etc .
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Gin
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Using an inverter or generator to power combi boiler ignition etc .

Post by Gin » Sun Oct 09, 2022 5:51 pm

Hi all . !


I have a 2kw inverter and two 130ah deep cycle batteries for power cuts .

The gas combi boiler would not work in event of an electrical outage either .

So I have a three pin plug connected directly to the combi boiler electrics , so it can be unplugged from the mains circuit and in theory connected to an inverter or my petrol generator .
However having tried both , neither supplies work .

Apparently it is because both the inverter and the generator have floating earths and the circuitry in modern gas combi boilers detect this and refuses to power the ignition .

Can anyone explain to me in terms of an explanation for dummies (me) how to ( by first making sure there is no link to the mains) , that I can physically ground or bond (?) the neutral to earth in a way that does not compromise the mains circuit .

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