Electrickery for camping - Page 57





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  1. #1121
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    Default Re: Electrickery for camping

    I would like to run something by you all. We have purchased an off-road trailer at last (packing up the vehicles RTT every time we wanted to go somewhere got a bit tedious).

    I am going to be redoing the trailers electronics and lights etc as the previous owner only had 220v and this will not work for us as we like to go to remote areas with no power as well.

    So instead of having two different systems in the trailer I would rather just use a 12v system.

    What ive been thinking is the following drawn in the diagram below.

    Please let me know if I’m missing something and having a moment or if there is another option than this idea. You should be able to have it all work at the flick of a switch.
    Attached Images Attached Images  
    Mike

    Out in the bush!!

    1999 Discovery 1 3.9 v8 (3 door)
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  3. #1122
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    Default Re: Electrickery for camping

    quick question for the electricians..
    wired a WRMD charger in, has been chariging dual nicely..
    However, main batt is dropping when freezer is running ( whilst not driving)
    ignored the 'optional' red cable to ignition, would this be the culprit?? - as far as I understood, charger would not drain main batt below 12.5?

    if this is the problem, where would be a good place to splice in on a 95 series Prado?
    TIA

  4. #1123
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    Default Re: Electrickery for camping

    Quote Originally Posted by 1342 View Post
    main batt is dropping when freezer is running ( whilst not driving)
    ignored the 'optional' red cable to ignition, would this be the culprit?? - as far as I understood, charger would not drain main batt below 12.5?

    if this is the problem, where would be a good place to splice in on a 95 series Prado?
    TIA
    That ignition point is the input to the WRND to indicate the engine is running and the main battery can be connected to the 2nd battery. Without is at 12V it should not connect. That is how I understood it when looking at the unit at a 4x4direct shop.

    @AfricainHD
    Drawings looks fine but bear in mind that to input the 220/12V power supply to the WRND AFAIK you will have to put a 12V pos on the IGN point in order for the power to go through to your 2x105Ah batteries.

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  6. #1124
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    Default Re: Electrickery for camping

    Thanks Ekkekan
    I'm on it, gonna be a late night
    without going through the dash, is there a + point I can use?
    Sorry for the late questions, leaving tomoorow on a trip hahaha

  7. #1125
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    Default Re: Electrickery for camping

    Maybe get 12v + from towbar aux connector. Is usually powered by ignition. Check with volt meter un plug & try to splice into cable as likely runs in boot trimming if standard fitted.

    http://www.ventertrailers.co.za/trai...g-diagram.aspx
    Bennie van der Merwe
    Windhoek
    2007 Discovery 3 V8 SE
    Prev 2001 Pajero 3.2 DiD Lwb M/T

  8. #1126
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    Default Re: Electrickery for camping

    Quote Originally Posted by 1342 View Post
    Thanks Ekkekan
    I'm on it, gonna be a late night
    without going through the dash, is there a + point I can use?
    Sorry for the late questions, leaving tomoorow on a trip hahaha
    The + ign wire only needs to be connected if you have a vehicle with smart alternator, which yours do not have.

    Sounds to me as if something else is wrong there. Double check all your connections. If all in order the unit might be defective.

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  10. #1127
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    Default Re: Electrickery for camping

    Quote Originally Posted by 1342 View Post
    quick question for the electricians..
    wired a WRMD charger in, has been chariging dual nicely..
    However, main batt is dropping when freezer is running ( whilst not driving)
    ignored the 'optional' red cable to ignition, would this be the culprit?? - as far as I understood, charger would not drain main batt below 12.5?

    if this is the problem, where would be a good place to splice in on a 95 series Prado?
    TIA
    This is from their website, the main battery should not drain.

    "If the engine is turned off charging will stop once the primary battery settles at 12.8V. At this time the WDB1220B will start charging the secondary battery from a solar panel if available. "

    "Primary battery voltage for charging: 12.5V - 14.5V"

    What colour LED on the charger controller is lit when this happens?

    How do you know/see that the main battery is dropping? The main battery will drop when the vehicle is switched off and will settle on about 12.6-7V (if the battery is in good health) after 10-20min.
    Last edited by DC Polokwane; 2019/03/29 at 08:12 AM.
    Jeep Grand Cherokee 2002 4.7 V8

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  12. #1128
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    Default Re: Electrickery for camping

    Quote Originally Posted by AfricainHD View Post
    I would like to run something by you all. We have purchased an off-road trailer at last (packing up the vehicles RTT every time we wanted to go somewhere got a bit tedious).

    I am going to be redoing the trailers electronics and lights etc as the previous owner only had 220v and this will not work for us as we like to go to remote areas with no power as well.

    So instead of having two different systems in the trailer I would rather just use a 12v system.

    What ive been thinking is the following drawn in the diagram below.

    Please let me know if I’m missing something and having a moment or if there is another option than this idea. You should be able to have it all work at the flick of a switch.
    I would not run the 12V/20A 220v power supply (charger?) through the WRND but connect it to the 2 x DC batteries. Skip on the three-way switch.
    Last edited by DC Polokwane; 2019/03/29 at 08:10 AM.
    Jeep Grand Cherokee 2002 4.7 V8

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  14. #1129
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    Default Re: Electrickery for camping

    Quote Originally Posted by DC Polokwane View Post
    This is from their website, the main battery should not drain.

    "If the engine is turned off charging will stop once the primary battery settles at 12.8V. At this time the WDB1220B will start charging the secondary battery from a solar panel if available. "

    "Primary battery voltage for charging: 12.5V - 14.5V"

    What colour LED on the charger controller is lit when this happens?

    How do you know/see that the main battery is dropping? The main battery will drop when the vehicle is switched off and will settle on about 12.6-7V (if the battery is in good health) after 10-20min.
    Thanks DC Polokwane, thats what I thought too
    Spliced + into wiper motor, now blue light comes on when ignition is on, and blue light is off when ignition is off..
    hopefully all good, into bots tomorrow morning, hopefully all works

  15. #1130
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    Default Re: Electrickery for camping

    Quick report back... After spice into ignition, via wiper motor, charger worked well... not sure why it drew off main below 12,3V, but all went well for the trip.. had ice when I got home ( beers froze ) Bad earth on buzzbar, but easily solved... thanks for the advice

  16. #1131
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    Default Re: Electrickery for camping

    Hi All

    Before I blow something up, just want to get some advise. I would like to connect the laptop charger to an inverter when we are off grid.
    I have a HCDP MK 4 power power panel in the trailer to which I connect the solar panels and run all the 12v and fridge. The panel also changes the battery. Would it work connecting the inverter directly to the battery while it is also connected to the power panel?
    Click image for larger version. 

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  17. #1132
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    Default Re: Electrickery for camping

    Yes all will be fine. Actually better to have the battery connected to the HPP MK4 so that battery can charge while the inverter is being used either from solar or 220V.

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  19. #1133
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    Default Re: Electrickery for camping

    If you’re charging the battery from 220 I guess u don’t need an inverter

    Just an observation.
    Jeep Grand Cherokke 4.7 V8
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  20. #1134
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    Default Re: Electrickery for camping

    Baie dankie vir die mooi uiteen setting!

  21. #1135
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    Default Re: Electrickery for camping

    Quote Originally Posted by iluvjeep View Post
    If you’re charging the battery from 220 I guess u don’t need an inverter

    Just an observation.
    No will only be using the inverter when off grid. Battery will be charged from solar

  22. #1136
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    Default Re: Electrickery for camping

    Quote Originally Posted by Andre Bos View Post
    Baie dankie vir die mooi uiteen setting!
    Ek teken te lelik so moes maar prentjies gebruik

  23. #1137
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    Default Re: Electrickery for camping

    Finally got round to fitting the hinges and legs to the solar panels. The 10m power lead is made up with the correct plugs to connect into the caravan and the panels. The blue B/H is the solar into the caravan, the grey and cigarette lighter socket is a 12v output for use around the caravan. Click image for larger version. 

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    The humble person makes room for progress; the arrogant person believes they’re already there.
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  25. #1138
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    Default Re: Electrickery for camping

    Quote Originally Posted by Paul#25 View Post
    Finally got round to fitting the hinges and legs to the solar panels. The 10m power lead is made up with the correct plugs to connect into the caravan and the panels. The blue B/H is the solar into the caravan, the grey and cigarette lighter socket is a 12v output for use around the caravan. Click image for larger version. 

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    Nice setup. What size panels are those? Looks like x2 120w? I'm looking at making similar but I'm torn between rigid panels or semi flexible. Only reason being semi flexible take up less space as I plan on packing it in my trailer

  26. #1139
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    Default Re: Electrickery for camping

    Quote Originally Posted by GKE View Post
    Nice setup. What size panels are those? Looks like x2 120w? I'm looking at making similar but I'm torn between rigid panels or semi flexible. Only reason being semi flexible take up less space as I plan on packing it in my trailer
    They are 2 x 100w panels. The cable is made up from solar grade 4mm cables I have linked together with shrink sleeve. Click image for larger version. 

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    The humble person makes room for progress; the arrogant person believes they’re already there.
    2004 Disco 2 Td5
    Suzuki SJ410 (being rebuild)
    VW Touran 2.0Tdi
    Lotus 7 (replica - not a kit)
    Freelance Photographer (part time)
    Member Of: Southern African Freelancers' Association

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    GKE

  28. #1140
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    Default Re: Electrickery for camping

    Quote Originally Posted by Paul#25 View Post
    They are 2 x 100w panels. The cable is made up from solar grade 4mm cables I have linked together with shrink sleeve. Click image for larger version. 

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    Very Nice enjoy

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