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Subject Topic: power management system pms 3v
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Message posted by pat534 on 09/4/2010 at 6:26pm
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I have a PMS 3V power management system in my campervan.I do not have any instructions in how to use it.

can anyone tell me if the charger supply switch has to be on for my leisure battery to be charged from the engine battery or is this just for when the van is connected to mains electricity.

There is also another switch called battery selector. It has 3 options car - off -van.I have been using it on van when on site without electricity and then putting it on car when driving.

My van is a nu-venture surf.



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Pat

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Message posted by Ken- on 09/4/2010 at 8:02pm
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Can't help you with the PMS 3V power management system but regards the switch, when on EHU if you select car it will charge your car (motorhome) battery, when on van it will charge your leisure battery, when not on EHU use the van option or you will end up with a flat battery on the motorhome

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Camping trips planned for 2011
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More than last year :-)

Message posted by pat534 on 11/4/2010 at 5:43pm
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thanks Ken. It was what I thought but just needed a second opinion.

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Pat

Message posted by RichardE on 14/4/2010 at 10:10am
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Sorry to jump onto this thread - but does anyone know where I may be able to download a copy of the fitting instructions for one of these units. I took mine out of an old van and whilst I can see everything clearly labelled on the back, mine also had a 6 pin relay feeding into it. Does it need a relay or can it just be wired as per the details on the back of the unit???

Message posted by pepe63 on 14/4/2010 at 11:24am
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Sorry,just a quick point about the selector switch(car-off-van)...

On our previous MH(a Compass),that switch just selected which battery you were drawing off and didn't select which one was being charged!

It may very well be a different set up on your van but it may be worth just emailing Nu-Venture,to check....

http://www.nuventure.co.uk/

 



Post last edited on 14/04/2010 11:32:04

Message posted by Ken- on 14/4/2010 at 8:34pm
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Quote: Originally posted by pepe63 on 14/4/2010

Sorry,just a quick point about the selector switch(car-off-van)...

On our previous MH(a Compass),that switch just selected which battery you were drawing off and didn't select which one was being charged!

It may very well be a different set up on your van but it may be worth just emailing Nu-Venture,to check....

http://www.nuventure.co.uk/

 



Post last edited on 14/04/2010 11:32:04

Yeah, we use the switch to select which battery to draw off but I have checked with a meter and mine also charges both batteries when on EHU


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More than last year :-)

Message posted by pepe63 on 15/4/2010 at 9:49am
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That's a far better set up than was on our previous Mh..

Our leisure battery was only charged via the hook-up(..not that it ever became an issue,to be honest).

Chris


Message posted by gbrockley on 17/4/2010 at 5:54pm
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Quote: Originally posted by RichardE on 14/4/2010
Sorry to jump onto this thread - but does anyone know where I may be able to download a copy of the fitting instructions for one of these units. I took mine out of an old van and whilst I can see everything clearly labelled on the back, mine also had a 6 pin relay feeding into it. Does it need a relay or can it just be wired as per the details on the back of the unit???
Hi, I have the instructions for a PMS3V, 3 pages, let me have your e-mail address and I'll scan it and send it to you.  Cheers

Message posted by RichardE on 18/4/2010 at 12:16pm
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Thanks for the kind offer - in the end I managed to speak to someone at Bonus Plugin Systems who posted out the fitting instructions - great service from them.

Message posted by pat534 on 18/4/2010 at 9:35pm
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I have just emailed Nu Venture to get clarification for my van.

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Pat

Message posted by RichardE on 19/4/2010 at 10:46am
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Quote: Originally posted by pat534 on 09/4/2010

I have a PMS 3V power management system in my campervan.I do not have any instructions in how to use it.

can anyone tell me if the charger supply switch has to be on for my leisure battery to be charged from the engine battery or is this just for when the van is connected to mains electricity.

There is also another switch called battery selector. It has 3 options car - off -van.I have been using it on van when on site without electricity and then putting it on car when driving.

My van is a nu-venture surf.




Now I have the instructions here is what it says about Battery Selector Switch

VAN position : When in this position dc power is available from the caravan/motorlome battery to power all 12 volt electric circuits. If the charger is switched on, the battery will be charged up via the charger/transformer unit.

OFF position : With the charger/power supply off, this position isolates all DC power in the caravan/motor-home. NOTE : The switch should be placed in this position when the caravan/motorhome is being driven between locations.

CAR position : The switch can be placed in this position should the caravan/motor-home battery become discharged and no mains power is available. Power will then be drawn from the car/main battery to power all 12 volt electric circuits.

I believe the reason for going to OFF whilst travelling is to protect the charging unit.

This thats basically what has been said in this thread about the various switch positions. For me I was getting confused a little with the extra relay that came off the old van, but I now see that you still need to charge the leisure battery on it's own whilst driving so its all clear now to me.

Message posted by pat534 on 21/4/2010 at 8:08pm
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Hi

 nu Venture say my system is old and they do not use it anymore.Gbrockley please could you send me the instructions as well.My email address is Anhegraig at hotmail.co.uk .

Richard I have read your instuctions. Thanks.

So if I am on the car setting when driving around will this charge my leisure battery.If not then how do I charge the battery when not connecting to EHU.

I am off to the Hebrides at the end of May and will not have EHU while there.

 



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Pat

Message posted by RichardE on 22/4/2010 at 9:22am
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No when driving around the switch should be in the off position. I was supplied a wiring diagram from Bonus and it shows that to charge your leisure battery when driving around you need to have a relay fitted which will provide the charge for that battery. It also shows a second relay to charge the fridge.

Thats what confused me I have to admit - I had kind of thought the PMS box handled all this but in fact you need to fit the basic split charge relay system regardless and that what the PMS box does is handle your electricial requirements when stopped - like ehu, 24v and 12v feeds.

I bought a dual split charge relay from Halfords and will fit that to control the fridge whist on the move and the charge to the leisure battery.

Hope that helps - get me know if your still confused :)

Message posted by rickkstaa on 31/5/2010 at 9:14am
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Hi all, I have just found this thread and was hoping to get some information on this PMS box. Is there a copy of the PMS 3V instruction manual. Does anyone have a copy available? Thanks Ricky

Message posted by gbrockley on 31/5/2010 at 9:33am
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Quote: Originally posted by rickkstaa on 31/5/2010
Hi all, I have just found this thread and was hoping to get some information on this PMS box. Is there a copy of the PMS 3V instruction manual. Does anyone have a copy available? Thanks Ricky

Hi Ricky, I installed the PMS3V unit in my campervan and I have scanned the instructions and wiring diagrams in a "Word" document. Let me have your email address and I'll send it to you.  Cheers,  Gordon

  


Message posted by iblack007 on 07/6/2010 at 9:53pm
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Hi all,

This message for Gordon Brockley

I too have a PMS3V system fitted to a newly purchased Bongo Campervan which had its first outing to Scotland last week. I thought I understood the workings of the unit,but have no instructions and can't power the fridge other than when driving, or the 2 wall sockets for accessories.I would be grateful if you could email a copy of the manual if possible (looks like a business oportunity for someone opening up here!!!)

Iain


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