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Thread: Going to the MidNite side... my 1st off-grid system plans are done..

  1. #1
    Join Date
    Apr 2012
    Location
    Van Horn, TX (West TX)
    Posts
    582

    Thumbs up Going to the MidNite side... my 1st off-grid system plans are done..

    I know I drove you folks crazy..

    Originally (3 months ago) it was to be like 4 135 Kyocera panels (540 watts), Morningstar ProStar 30, and Xantrex Pro SW 2000

    Well I bought 6 145w panels (870 watts), Morningstar TS-45 (PWM), and wires, breakers, & switches..

    Then I debated with you folks aloud about 4 times on the MPPT vs. PWM..

    Then I was fishing for input on 24v vs 12v inverters..

    Then I was emailing poor Marc at Rogue with questions..

    Then along comes the Midnite Solar announcement about the Lite.. Then I was comparing the TS60 MPPT to that and the Xantrex 60 MPPT and the Outback Flex 60 MPPT..

    I sold the TS45 and meter yesterday, and in about 1 week I will be holding a Midnite Classic 150 (regular model)..

    I asked Ryan for some pics and he sent them right over.. <<good people right there<<

    I opted to go MPPT to get as much as I can year round since this will be a year round cabin for me very soon. I know in the summer I won't gain much.. but in the cooler times like fall and spring I will gain some numbers I think..

    The panels will be done up like a 24v system.. 2 in series * 3 in parallel..

    I will be going with a 12v 400-600ah battery bank to start with.. and my original planned Xantrex SW Prowatt 2000 inverter.. I ordered up the BlueSea 250 amp fuse and fuse mount for the battery.. and I have the 3/0 wire here..

    When the inverter dies out I will upgrade to a 24v model of some flavor.. and flip a few switches and be at a 24v system..

    Anyway.. thank you,,
    Al Z.
    1160 watts PV, 30.86 & -104.792, MidNite Classic 150, Xantrex Pro SW 2000

  2. #2
    Join Date
    Jun 2007
    Location
    Center of Nowhere, NOR CAL
    Posts
    1,253

    Default Re: Going to the MidNite side... my 1st off-grid system plans are done..

    Great news, Al,

    IMHO, you cannot go wrong with MN products. The Classic has the most capability in its class. And, you've seen their very responsive Tech Support. Looks like a very good concept on your system. Have Fun with it, Vic
    Off-Grid, Sys1: 1280 AH 48 V bat, 3.150 KW STC PV, MX-60, Xantrex Stacked SW+ 5548s; EU6500isa, 21KW Kubota diesel gens, misc Honda Eu gens
    Sys2: 1280 AH 48 V 4KS25 Surrettes, 5.88 KW STC, Two Classic 150s, MN SPDs, Stacked X SW+ 5548s; Kohler 18 KW LP, EU 3000isa gens, HB DC Charger, Midnite Breakers/boxes. Thanks for this great Forum!

  3. #3
    Join Date
    Jun 2003
    Location
    pittsburgh, pa
    Posts
    9,221

    Default Re: Going to the MidNite side... my 1st off-grid system plans are done..

    one thing is for sure, you won't have a need to change out to another controller no matter what you do to the rest of your system except barring having need of 2 classics if your system ever grows that big.
    voltage drop calculator http://www.wind-sun.com/ForumVB/showthread.php?t=29


    NIEL (not employed by naws)

  4. #4

    Default Re: Going to the MidNite side... my 1st off-grid system plans are done..

    Quote Originally Posted by ywhic View Post
    I sold the TS45 and meter yesterday, and in about 1 week I will be holding a Midnite Classic 150 (regular model)
    I hope this means your getting some action on your web site, or have had other good news. This is a great controller and should give you future room to grow.

    Quote Originally Posted by ywhic View Post
    I opted to go MPPT to get as much as I can year round since this will be a year round cabin for me very soon. I know in the summer I won't gain much.. but in the cooler times like fall and spring I will gain some numbers I think..
    You will indeed, and a bit in the summer, just trying to maximize your usable watt per $ spent, The trick is the gain doesn't mean much if you don't use it, I'll largely waste 4KW of array 9 months out of the year, but have it when I need it... for me the summer. I like the Midnite classic, I purchased 2 of the 'lite' versions this week (most of my array require MPPT type CC)
    Home system- 20 - 200W Evergreen blems, 2 Classic Lites, E-Panel up! 14 Suntech 185W in spare room.
    Cabin system- 8-115watt 12V, 6 - 170-5watt 24v, Pulse/Trace PC250 Power Center, 800AH 24V forklift Batt, ProSine 1800 watt (24v) inverter.
    Odds and extras, Rouge CC, 80-4/5watt 6v panels

  5. #5
    Join Date
    Apr 2012
    Location
    Western MA
    Posts
    40

    Default Re: Going to the MidNite side... my 1st off-grid system plans are done..

    Excellent choices Al.
    MidNite Classic 150, Xantrex ProWatt SW 2000, Solarworld 255W x 1, UL Solar 125W x 1

  6. #6
    Join Date
    Apr 2012
    Location
    Van Horn, TX (West TX)
    Posts
    582

    Default Re: Going to the MidNite side... my 1st off-grid system plans are done..

    Thanks.. nope no sales.. just sold the TS45 and meter for $205 (after eb fees) and a friend paid me $125 to help with some stuff, and I'm tossing in $215 from my pocket.. got to wait for PP to credit me after the buyer gets it (sold TS45 & Meter thru eb).. should be ordering Monday and have by next Friday..

    The inverter will be out of my next check in 2 weeks.. maybe I will see something either sell from my site or I'll go get a real job by then..

    I got a 4 foot pair of 4 AWG wire coming in for the new Midnite so that will be set to hookup and try with some panels.. :)

    It will be like 85-95 up here in NJ testing.. so numbers should be close to temp wise for TX testing, though I think the air will be clearer down their in no-wheres land.. be nice to SEE the 145 w panel in some real tests.. I will be taping and such..
    Al Z.
    1160 watts PV, 30.86 & -104.792, MidNite Classic 150, Xantrex Pro SW 2000

  7. #7
    Join Date
    Apr 2012
    Location
    Van Horn, TX (West TX)
    Posts
    582

    Default Re: Going to the MidNite side... my 1st off-grid system plans are done..

    Well I got my BlueSea fuse/mount in.. got the 3/0 wire... got the BlueSea switch for the inverter..



    I have a spare section of 3/0 wire with a 250 amp ANL fuse and holder on it as well.. (good for options on install day)

    My 4 AWG wire should be in tommorrow/Saturday for the controller to the battery bank with 100 amp breaker..

    Waiting to order the Classic 150.. I did notice my combiner box has a 1" knock-out on the lower right corner.. this will mate nicely to the Classic 150 knock-out as well.. be a nice and semi-clean install..

    As you may be able to tell I am stoked..
    Al Z.
    1160 watts PV, 30.86 & -104.792, MidNite Classic 150, Xantrex Pro SW 2000

  8. #8

    Default Re: Going to the MidNite side... my 1st off-grid system plans are done..

    sounds good Al, I think you got it going in the right direction... :)

  9. #9
    Join Date
    Apr 2012
    Location
    Van Horn, TX (West TX)
    Posts
    582

    Default Re: Going to the MidNite side... my 1st off-grid system plans are done..

    Ordered the Classic 150 today.. very stoked.. working on a + and - battery board to go with the new setup..

    24" of pure copper goodness on its way too.. (to be cut to 12" for each terminal strip side)..
    Al Z.
    1160 watts PV, 30.86 & -104.792, MidNite Classic 150, Xantrex Pro SW 2000

  10. #10
    Join Date
    Apr 2012
    Location
    Van Horn, TX (West TX)
    Posts
    582

    Default Re: Going to the MidNite side... my 1st off-grid system plans are done..

    Heres the layout.. the Midnite will be affixed to the combiner box on the side.. this is a mock up..

    4 AWG down to the custom bus board.. then 2 AWG down to the batteries from there.. 3/0 to the inverter..



    The Midnite Classic series of MPPT rocks (IMHO).. it performed well today while out in the 102' heat we had in NJ today..

    Heres a shot at 10:30 am and about 93' F outside.. I used 15' of my wire I plan on using in TX to simulate the real-deal..

    This was with just 2 panels in series to make a 24 circuit.. going to a 12v battery bank.. I will have 3 sets of 2..



    630 watts (estimated) in 93' F heat sounds good to me..
    Al Z.
    1160 watts PV, 30.86 & -104.792, MidNite Classic 150, Xantrex Pro SW 2000

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