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Sprinter RV's & Conversions Talk Common features found in Sprinter RV's and Conversions.


 
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Old 12-01-2019, 07:42 PM   #21
OrioN
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Default Re: Another wiring diagram from a noob....

Quote:
Originally Posted by bored View Post
Ha. You are a glass half full kinda person.

I always say the manufactures numbers is simply commercialism. I am a glass half empty guy and the water is evaporating.

I will trust your expertise though.
I knew and was anticipation your rebut.....

....no, reputable manufactures do not adhere to or practice that way with the STC.

Why? Because of reputation in a very competitive industry.

Plus, controller manufactures rely on this information too. PV performance equates to controller performance. Victron doesn't need to hear/read that their controller cannot produce a rated or decent current with xxxx watts of pv.





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Last edited by OrioN; 12-01-2019 at 08:08 PM.
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Old 12-01-2019, 09:14 PM   #22
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Default Re: Another wiring diagram from a noob....

I planned my budget and appliances based on worst case scenarios and life style.


I will need to make sacrifices on hot days when the A/C is running but I don't plan on staying in those climates for very long.

Truly, I could use another 100ah Battery but at nearly 1k each I think the most I can budget for is 3.

Orion is my choice on a Gen.

Thanks for the input.


Quote:
Originally Posted by HarryN View Post
The challenge for planning a electrical budget in a van is that there is relatively limited ability to average solar charging over an extended period of time.

If you have a large LiFe battery bank and a generator back up (Orion for example) this averaging concept can work.

Look at the weather in the SF bay area this past week. Typical SF bay area weather for winter - multiple days of heavy overcast.

Your battery bank is very decent, but still not "large".

For winter time use energy budget planning in this area, I use the following formula as an estimate:

(panel rated capacity ) x (50%) x (6 hrs / day) = approximate power generated each day.

It isn't a perfect estimate, but it isn't terrible either.
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Old 12-01-2019, 09:18 PM   #23
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Default Re: Another wiring diagram from a noob....

Interesting. This is good to know.

I assumed like most industries that if results were not met they simply blamed the end user and said the product was not installed correctly.

This will give me confidence in products that seem expensive.

Quote:
Originally Posted by OrioN View Post
I knew and was anticipation your rebut.....

....no, reputable manufactures do not adhere to or practice that way with the STC.

Why? Because of reputation in a very competitive industry.

Plus, controller manufactures rely on this information too. PV performance equates to controller performance. Victron doesn't need to hear/read that their controller cannot produce a rated or decent current with xxxx watts of pv.

.
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Old 12-01-2019, 11:40 PM   #24
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Default Re: Another wiring diagram from a noob....

I am thinking this is the controller of choice...based on my research.

Unless someone can suggest a better option...

Morningstar TS-MPPT-60

https://www.solar-electric.com/lib/wind-sun/TS-MPPT.pdf
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Old 12-01-2019, 11:54 PM   #25
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Default Re: Another wiring diagram from a noob....

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I am thinking this is the controller of choice...based on my research.

Unless someone can suggest a better option...

Morningstar TS-MPPT-60

https://www.solar-electric.com/lib/wind-sun/TS-MPPT.pdf
I have 2 of these.

First one is nearing 10 years of service. No issues, never been offline or down. It just works.

There are yearly firmware updates.

It allows for custom charging profiles.
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Old 12-02-2019, 09:37 PM   #26
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Default Re: Another wiring diagram from a noob....

Sterling Pro Batt Ultra Battery to Battery Charger

30amp or 70amp???

I read somewhere that the max output the alternator can push to a house battery bank is 40amps.

That would eliminate the need of the 70amp correct?

Stock Alternator for now unit this one burns up. Then I will upgrade. Still hoping to find the "unicorn" dual alternator bracket I have read about that supposedly RV's used somewhere.

If anyone can recommend a better unit I would love to hear about it so I can make a good choice.
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Old 12-03-2019, 02:52 AM   #27
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Default Re: Another wiring diagram from a noob....

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Stock Alternator for now unit this one burns up. Then I will upgrade. Still hoping to find the "unicorn" dual alternator bracket I have read about that supposedly RV's used somewhere.
Here is the MB parts list:


and the kit from Nations:
http://www.nationsstarteralternator....-dak-280xp.htm

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Old 12-03-2019, 04:30 AM   #28
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Default Another wiring diagram from a noob....

Quote:
Originally Posted by bored View Post
I have been reading about controllers...
Spent some time here
Everyone seems to have opinions as to which controller is best.
I am considering a Morningstar TS-60 Tristar-60 Amp. Victron seems tried and true so I am still torn.
What would be the advantages and disadvantage of splitting the panels?
I would recommend a Victron 150/35 controller. More than adequate for your needs and half the price of the Morningstar. The Morningstar is an excellent controller but overkill for your situation.

I have 600 watts of solar wired in series to my Victron 150/35 and it is a rare day that the panels will exceed 500 watts.



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Old 12-03-2019, 05:02 AM   #29
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Default Re: Another wiring diagram from a noob....

As far as I know these kits do not fit on T1N and I haven't heard of anyone modifying one to fit.

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Originally Posted by hein View Post
Here is the MB parts list:


and the kit from Nations:
http://www.nationsstarteralternator....-dak-280xp.htm

All the best,
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Old 12-03-2019, 07:05 AM   #30
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Default Re: Another wiring diagram from a noob....

That controller would work if the panels are in series because the amperage would drop.

I plan on running the panels parallel because I have read that is when panels are the most efficient when harvesting energy on cloudy days.

Victron SmartSolar MPPT 150/60-TR Solar Charge Controller was another choice....I might pull the plug if I can find a good deal on either on Cyber Monday.

Still not decided...

Quote:
Originally Posted by gltrimble View Post
I would recommend a Victron 150/35 controller. More than adequate for your needs and half the price of the Morningstar. The Morningstar is an excellent controller but overkill for your situation.

I have 600 watts of solar wired in series to my Victron 150/35 and it is a rare day that the panels will exceed 500 watts.



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