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UK Caravanning (uk.rec.caravanning) A forum for the discussion of caravanning undertaken by residents of the United Kingdom, whether in the UK or abroad. It encourages the interchange of views on the merits of models of caravan, makes of tow car, accessories, caravan sites, caravan clubs, and other related topics. The term caravan is to include trailer vans, motor caravans and trailer tents.

12v not working



 
 
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  #1 (permalink)  
Old June 18th 16, 11:44 AM posted to uk.rec.caravanning
Tony Meredith
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Posts: 1
Default 12v not working

Hi I have just bought a Tabbert caravan in Portugal,the dometic MK140 transformer is not putting out any 12v supply the 230v is fine. Because Tabbert dont fit batteries in vans if I get a leisure battery and a small solar charger will that run the lights ok.
I've sourced a replacement transformer in Germany at 280euros but the wiring looks way to complicated for me!
Regards
Tony
  #2 (permalink)  
Old June 19th 16, 09:16 PM posted to uk.rec.caravanning
bert
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Posts: 12
Default 12v not working

In article , Tony
Meredith writes
Hi I have just bought a Tabbert caravan in Portugal,the dometic MK140
transformer is not putting out any 12v supply the 230v is fine. Because
Tabbert dont fit batteries in vans if I get a leisure battery and a
small solar charger will that run the lights ok.
I've sourced a replacement transformer in Germany at 280euros but the
wiring looks way to complicated for me!
Regards
Tony

The small ones as sold in Maplins I have found to be worse than useless.
People with boats often rely on solar panels to charge the battery.
What size you would need would depend on where and when you are going to
use the van and how may lights you wish to have on and for how long.
Assume that on a dull day the output of your solar panel will be about
half the rated output or worse.

I should persist with the transformer option if I were you. Your local
caravan dealer will no doubt have an electrical specialist.
--
bert
  #3 (permalink)  
Old June 24th 16, 10:45 AM posted to uk.rec.caravanning
Harry Bloomfield[_2_]
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Posts: 278
Default 12v not working

Tony Meredith a écrit :
Hi I have just bought a Tabbert caravan in Portugal,the dometic MK140
transformer is not putting out any 12v supply the 230v is fine. Because
Tabbert dont fit batteries in vans if I get a leisure battery and a small
solar charger will that run the lights ok. I've sourced a replacement
transformer in Germany at 280euros but the wiring looks way to complicated
for me! Regards Tony


For £70/80/90 you can buy in the UK a switch mode 13.8v DC power
20/30amp supply which are very efficient and cool running. Removing
your 'transformer and fitting one of these would be trivial. With one
of these, you could fit or not fit a battery. No battery would mean no
12v unless you had the 230v connected.
  #4 (permalink)  
Old July 12th 16, 11:42 AM posted to uk.rec.caravanning
Keith[_7_]
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Posts: 2
Default 12v not working

Hello Tony,

Hi I have just bought a Tabbert caravan in Portugal,the dometic MK140
transformer is not putting out any 12v supply the 230v is fine.
Because Tabbert dont fit batteries in vans if I get a leisure battery
and a small solar charger will that run the lights ok.

I've sourced a replacement transformer in Germany at 280euros but the
wiring looks way to complicated for me!

Regards

Tony


Some twenty years ago I had a Sterkerman - it had a 7N socket (wired into
the transformer) on the draw bar -only needed to plug 7N lead (to car) into
it to feed caravan 12v services (lights, water pump...).
Fitted a "TP2" battery box and 12v leisure battery (externally-ventilated)
for use when no mains hook-up available. I don't think these are currently
available/recommended/"no longer legal".


 



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