Oven tripping RCD ??


T

Tim..

We recently had a secondhand commercial oven installed at the business
premises which is used to smoke and cook fish.

Its basically a big stainless steel clad fan assisted oven with smoke
producing trays at one end.

It has 3 heat settings and on max is rated at 4.6kw.

I connected it to the 30ma protected side of the CU on its own 32a MCB.

Apparently its now tripping the RCD occasionally with no specific pattern.

Assuming no fault can be found, would the panel recommend staying with the
30ma RCD or moving it to the 100ma on the other side of the CU ??

TIA

Tim..
 
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L

Lurch

We recently had a secondhand commercial oven installed at the business
premises which is used to smoke and cook fish.

Its basically a big stainless steel clad fan assisted oven with smoke
producing trays at one end.

It has 3 heat settings and on max is rated at 4.6kw.

I connected it to the 30ma protected side of the CU on its own 32a MCB.

Apparently its now tripping the RCD occasionally with no specific pattern.

Assuming no fault can be found, would the panel recommend staying with the
30ma RCD or moving it to the 100ma on the other side of the CU ??
If there was no fault found then I'd move it. I'd make sure it was
really no fault found though, test it while it's hot as well as cold,
it might save you a few quid in the long run if you ca find a failing
element early.
 
M

meow2222

We recently had a secondhand commercial oven installed at the business
premises which is used to smoke and cook fish.

Its basically a big stainless steel clad fan assisted oven with smoke
producing trays at one end.

It has 3 heat settings and on max is rated at 4.6kw.

I connected it to the 30ma protected side of the CU on its own 32a MCB.

Apparently its now tripping the RCD occasionally with no specific pattern.

Assuming no fault can be found, would the panel recommend staying with the
30ma RCD or moving it to the 100ma on the other side of the CU ??

TIA

Tim..
I'd be wondering why no fault was found in that case. Testing it with
a megger, wit the controls in all possible positions, will almost
certainly show up where the problem lies. If not, bear in mind it
might be with the cable rather than oven - or even the rcd maybe.

I'm assuming its only the oven on that circuit.. whatever, anything
that pops a 30mA rcd at mains should be perfectly traceable.


NT
 
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T

Tim..

I'd be wondering why no fault was found in that case. Testing it with
a megger, wit the controls in all possible positions, will almost
certainly show up where the problem lies. If not, bear in mind it
might be with the cable rather than oven - or even the rcd maybe.

I'm assuming its only the oven on that circuit.. whatever, anything
that pops a 30mA rcd at mains should be perfectly traceable.

Thanks to both- problem solved- it was water lying in the bottom of the
control panel case from over exuberant cleaning!!

Bollockings have been issued!!


Tim..
 

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