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Stanton Truma heater access

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Post by Gromit on Sun Jan 14, 2018 1:55 pm

Dare-devil-dennis wrote:I think I will put one of these in a weatherproof box and a 16A plug and socket to go in-line with the EHU cable. No Mods to MOHO and same level of protection.
That's an interesting thought Dennis.

As Quilter has recently discovered, losing the mains electric function of the Truma boiler is a real pain (specially when abroad, as she is at present) as it's so difficult to replace the fuse on some of our vans.

I'm wondering if it's worth doing as you suggest - if only to isolate the variable voltage factor from the equation??  scratch head


Last edited by Gromit on Sun Jan 14, 2018 2:02 pm; edited 1 time in total (Reason for editing : Correction)
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Post by Dare-devil-dennis on Sun Jan 14, 2018 2:07 pm

Gromit, for <£20 why not?
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Post by MikeJJ on Sun Jan 14, 2018 2:08 pm

Actually occurred here in the UK.  I have the AVS30 set to activate "immediately" on sensing low voltage - it can be set to wait a predetermined time in case the issue is a short transient. I also have it set quite high - from memory around the 170-180V level.

I have set the wait time when plugging into EHU to about 20s.

Has it earned it keep - well I don't know. But the original purchase seemed to make sense trying to protect an expensive Schaudt system (by comparison the additional Schaudt module cost close to £95+ and only did overvoltage protection).

I don't know how good the Sargent system is at protecting against spikes etc.  I assume there might be some capability built-in??
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Post by Gromit on Sun Jan 14, 2018 2:12 pm

Dare-devil-dennis wrote:Gromit, for <£20 why not?
Impeccable logic Dennis.  winks

Pity the waterproof box costs £95!!!  Whistle1

(I jest, of course.)
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Post by Peter Brown on Sun Jan 14, 2018 2:13 pm

Dare-devil-dennis wrote:

I think I will put one of these in a weatherproof box and a 16A plug and socket to go in-line with the EHU cable. No Mods to MOHO and same level of protection.

If you do want to do it, then this is the best way.

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Post by Dare-devil-dennis on Sun Jan 14, 2018 2:16 pm

Of course, I could save on the connectors and wire it at one end of my EHU cable and make a "Protection Cable"
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Post by Dare-devil-dennis on Sun Jan 14, 2018 2:19 pm

Dave,

4way version of this enclosure £10.95 (I know you were joking)

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Post by Gromit on Sun Jan 14, 2018 3:09 pm

That's why I was hesitating Dennis. (Thanks for the link).

I've yet to find a suitable looking box that isn't a great big lump. I don't really want a small bungalow dangling from the side of the van, and if I put it on a longer lead I would probably need planning permission!  Whistle1

I wonder if there's a dedicated in-line voltage protector that's a bit smaller and more streamlined?? Mr Google seems to know nothing, for once!
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Post by Peter Brown on Sun Jan 14, 2018 3:30 pm

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I'd use one that linked above with the cheap Chinese's unit. I'd make up a lead about 2m long the plugged into the van, with this box almost at the far end so it could be lain on the ground under the van.

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Post by Gromit on Sun Jan 14, 2018 5:24 pm

Thank you Peter. That looks much better and as you say it wouldn't be a problem tucked under the van, not would it be too bulky in storage.

Food for serious thought. I've no idea if voltage fluctuations are the cause of the fuse blowing, but with one of these in line it would eliminate that possibility. Not much cash involved, so I may give it a try!!  uncertain
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Post by Peter Brown on Sun Jan 14, 2018 5:29 pm

I'm a bit cynical so when I say 'I wouldn't hold your breath', just ignore me.

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Post by Gromit on Sun Jan 14, 2018 7:08 pm

Peter Brown wrote:I'm a bit cynical so when I say 'I wouldn't hold your breath', just ignore me.
So am I Peter, as you will have gathered.

I can only think it's an inherent problem with the boiler, as the failures seem to have no detectable pattern - not that Messrs Truma are likely to own up to it! I may give the voltage protector a try, but probably won't bother since like you, I'm not convinced it will cure the problem.
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