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| AMERICAN RV Chat about those big rigs here. |
25-11-2009, 20:33
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#17 (permalink)
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Funster
Funster No : 15
Join Date: Jul 2007
Location: Suffolk
Interests: Guitar,Travel, Photography
MH Type: A Class RV
MH Model: Georgie Boy Cruisemaster
Years Motorhoming: since 1979
Posts: 6,499
Thanks: 1,136
Thanked 1,946 Times in 1,283 Posts
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Quote:
Originally Posted by G2EWS
seems the problem was caused by an after market mains polarity change over switch:
When I mentioned it to Simon at Travelworld he said 'remove it, they are rubbish!' and apologised that they should have removed it for me. It was fitted by the previous owner.
Chris
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Nice when you find the problem.. glad your sorted 
I've always maintained that reverse polarity wasn't worth worrying about .. and in this case because someone worried it caused more problems than it was worth ... .. kinda ironic don't you think ... 
jim
__________________
Jim 
George in the Sahara.
Aires and Camping Sites suitable for RVs
To live only for some future goal is shallow.
It's the sides of the mountain that sustain life, not the top... Robert M. Pirsig
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The Following User Says Thank You to ScotJimland For This Useful Post:
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25-11-2009, 22:40
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#18 (permalink)
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Funster
Funster No : 101
Join Date: Aug 2007
Location: Devizes
Interests: Photography, Walking, Reading, Fami
MH Model: Coachmen Concord 300TS
Posts: 329
Thanks: 17
Thanked 84 Times in 35 Posts
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Quote:
Originally Posted by ScotJimland
Nice when you find the problem.. glad your sorted
I've always maintained that reverse polarity wasn't worth worrying about .. and in this case because someone worried it caused more problems than it was worth ... .. kinda ironic don't you think ...
jim |
Thanks Jim,
And you are right! Waste of time.
Regards
Chris
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26-11-2009, 07:46
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#19 (permalink)
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Funster
Funster No : 210
Join Date: Sep 2007
Location: derbyshire
MH Model: burstner solano t615
Posts: 76
Thanks: 9
Thanked 8 Times in 7 Posts
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Hi from confused
Why transform down to 115V and then back up to 230V for ring main, must be far more efficient to connect ring main direct to 240V supply with all necessary protection RCD and MCB?
Steles
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26-11-2009, 07:52
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#20 (permalink)
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Funster
Funster No : 15
Join Date: Jul 2007
Location: Suffolk
Interests: Guitar,Travel, Photography
MH Type: A Class RV
MH Model: Georgie Boy Cruisemaster
Years Motorhoming: since 1979
Posts: 6,499
Thanks: 1,136
Thanked 1,946 Times in 1,283 Posts
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Quote:
Originally Posted by steles
Hi from confused
Why transform down to 115V and then back up to 230V for ring main, must be far more efficient to connect ring main direct to 240V supply with all necessary protection RCD and MCB?
Steles
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Hi
The smaller tranny , (110-230 v) is fed from the onboard genny not the 230 -110 tranny
When on EHU the 230v ring is fed direct as you describe.
jim
__________________
Jim
George in the Sahara.
Aires and Camping Sites suitable for RVs
To live only for some future goal is shallow.
It's the sides of the mountain that sustain life, not the top... Robert M. Pirsig
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26-11-2009, 08:56
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#21 (permalink)
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Funster
Funster No : 32
Join Date: Jul 2007
Location: Ipswich
Interests: History, reading
MH Type: RV
MH Model: Winnebago Brave
Years Motorhoming: 30 years
Posts: 2,006
Thanks: 67
Thanked 400 Times in 284 Posts
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Hi it is possible that some do transform down to 110v and then back to 230v so that the EMS (Energy Management System) fitted to many RV's works correctly, although I have never heard of any converter doing this.
Olley
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26-11-2009, 19:04
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#22 (permalink)
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Funster
Funster No : 101
Join Date: Aug 2007
Location: Devizes
Interests: Photography, Walking, Reading, Fami
MH Model: Coachmen Concord 300TS
Posts: 329
Thanks: 17
Thanked 84 Times in 35 Posts
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Whilst I cannot confirm, I believe that it is indeed wired to convert from 240 to 115 then converted from 115 to 240. I believe as Jim suggested it is all to do with the generator.
Regards
Chris
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