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 > Your search for posts made by 'pianotuna' found 1532 matches.

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RE: Solar trickle charger for chassis battery......Good or bad?

X3 on the Trik-L-Start.
pianotuna 01/26/21 10:56pm Tech Issues
RE: Calling on Solar Techies

In researching wire I don't I know the difference between Photovoltaic Wire and AWG when it comes to solar? You want wire where the insulation can withstand UV light, and is weather proof. "UL says “PV wire has superior sunlight resistance and low-temperature flexibility in addition to a thicker insulation or jacket and a proven level of flame resistance.”
pianotuna 01/26/21 10:46pm Tech Issues
RE: Calling on Solar Techies

1L243, Not much you can do about the distance from panels to controller. The only real variable would be larger wire size. And larger wire size doesn't much matter with PWM, because the system "runs" at what ever the battery voltage is. If, on the other hand, MPPT is in your possible future, then #8 would be a good choice. As I said before, that would be from where they combine to where the controller is. Again, in your shoes I would stay with PWM for now.
pianotuna 01/26/21 10:42pm Tech Issues
RE: Calling on Solar Techies

1L243, MPPT runs about a 4% loss (i.e. 96% efficient). You may garner only about 10% more by moving to MPPT. Charging may start a little earlier in the morning, and last a bit longer during the day. If you had room for a 6th panel, then you could do 2 strings of 3 panels, and that would save quite a bit on the cost of the MPPT controller. MPPT works best when the batteries are low--as they approach fully charged the MPPT changes over to PWM mode. MPPT may work some what better in low light conditions. But panels are a constant voltage type device. My vote would be to stay the course with PWM and see if it meets your needs. If it doesn't, then it is a simple matter to rewire to series and get an MPPT controller. I would do #10 wire from each panel to the combiner box (under the fridge vent), and then #6 or #8 to the input of the charge controller.
pianotuna 01/26/21 10:19pm Tech Issues
RE: Calling on Solar Techies

1L243, I have MPPT, and only 256 watts of panels. I used #8 wire for a 4 foot run to the battery bank(s). My charge controller is temperature compensated and I've seen 15.2 volts. I get about 17 amps of output if the batteries are hungry, or I turn on a large load. I'd encourage you to have a catastrophic failure fuse extremely close to the battery. Mine are on the battery posts (I have twin banks). With 30 amps I would go for #4 or #6 wire from the controller to the battery bank. #10 is not going to help. My overall voltage drop from panels to controller is less than 1%. The nominal input voltage to the controller is 33.
pianotuna 01/26/21 09:06pm Tech Issues
RE: SiO2 Batteries

I'd like to hear from people who use the SiO2 batteries. Are you happy with them? Charging methods? What kind of current loads do you have? The owner of sanidump uses them and is happy.
pianotuna 01/26/21 06:43pm Truck Campers
RE: Fuel Costs

Some multinationals are seeing the "light".
pianotuna 01/26/21 10:35am Snowbirds
RE: Fuel Costs

Make of this , what you will, talks about the cost also. Inexhaustible fossil fuels? Talk about unobtainium. Not a University at all. " The videos promote fossil fuels and dispute the scientific consensus on climate change; in one of the organization's videos, fossil fuel proponent Alex Epstein promotes misinformation about climate change, including false and misleading claims." Funded by......fossil fuel billionaires. Was referring to the information in this video, whether or not any of it was correct. Not who the messenger was. It is misinformation.
pianotuna 01/26/21 10:24am Snowbirds
RE: New generator for new rv. Recommendations

ronharmless, I have a Yamaha 3000. I can hear it from 300 feet when it is in eco mode and running a heavy load. An open frame is always going to be a heck of a lot louder.
pianotuna 01/25/21 06:18pm Beginning RVing
RE: Calling on Solar Techies

Location of the charge controller might be because of the size of wire the controller can accommodate. I love the Morningstar Tristar charge controller because it has battery voltage sense wires. I don't use a battery monitor much at all. So all I go by is voltage. I don't like shunts. I do monitor wattage @ 120 volts ac. Since I'll be going to SiO2 batteries state of charge really doesn't matter much--and as I'm now a weekend warrior the solar charging will return the batteries to fully charged between trips.
pianotuna 01/25/21 06:05pm Tech Issues
RE: Calling on Solar Techies

Am I to assume that the concerns with the WFCO 8900 converter charging or not charging the batteries correctly only a issue when I am plugged into shore power and nothing to do with Solar correct? When charging the batteries on Solar through the Solar charger/controller with built in safe guards there should be no issue correct? PS I purchased the Renogy 2000w Pure Sine Wave Inverter Solar has nada to do with a converter. They do play well together in my case, and may do the same for you. Since you have your inverter--forget what I said about an inverter/charger.
pianotuna 01/25/21 05:57pm Tech Issues
RE: Calling on Solar Techies

1L243, Since the converter you own is a "dog", you might consider getting an inverter/charger. If you feel comfortable with Renogy, this looks good. A 3000 watt won't have any issues running stuff in the RV other than perhaps the roof air. For $100 less they make a 2000 watt. Neither are hybrid units. Just add it to the system--and leave the OEM converter as a back up.
pianotuna 01/25/21 11:45am Tech Issues
RE: Basic Question About AC Power Wiring

HadEnough, Particularly if the transfer switch has been cycled when under large loads.
pianotuna 01/25/21 11:39am Tech Issues
RE: New generator for new rv. Recommendations

pitch, To run a single AC unit without a generator, from solar, it makes sense to go to 24 or even better a 48 volt battery bank. Here is a list of what would be needed: DC 48 to dc 12 volt converter 2000 watts of panels 8 100 amp-hour batteries split into two banks (SiO2 if cold) or LI if it is warm) 48 volt to 120 volt ac hybrid inverter/charger with load support. two 80 amp charge MPPT controllers A remote start 3400 watt inverter generator for back up. I'm sure I missed some items. If I were doing it, I'd keep all the technology from one company such as Victron or Outback. That ought to minimize the problems of "play well together". I find it odd that the cheapest part is the solar panels. While it could be done, it would take a heck of a long time for payback.
pianotuna 01/25/21 11:28am Beginning RVing
RE: New generator for new rv. Recommendations

Your first thought was "generator?" Solar is quiet, easy, inexpensive. "biggest decision regarding generator is how quite do you want yours to be" Particularly if you camp next to me. My solar system isn't making ANY noise to bother YOU.Do you run your air conditioner on your solar? How many watts do you have and what was the cost?If I need A/C I am looking for utility power. I would rather sweat it out than run a generator 24/7. X2
pianotuna 01/25/21 11:17am Beginning RVing
RE: New generator for new rv. Recommendations

In my opinion, the best buy for the buck Clicky YOMV Great way to Pi$$ off anyone within a quarter mile of you, and you will grow tired of hearing it too. No open frame generators for RV'ers, be a good neighbor, get an inverter unit. Charles"Champion 4000-Watt RV Ready DH Series Open Frame Inverter with Quiet Technology" You must of been having a bad day and skipped right over that word "inverter" The "inverter" doesn't make the unit quieter. You must have skipped over "open frame".
pianotuna 01/25/21 11:15am Beginning RVing
RE: New generator for new rv. Recommendations

I am looking for a new RV. I already have a Champion 3400 generator. Does it capable to run my electric equipment on my RV? An excellent choice and will everything in a 30 amp service RV. Combine it with a decent battery bank, and a hybrid load support inverter charger and it would run pretty much everything in a 50 amp service RV.
pianotuna 01/25/21 09:47am Beginning RVing
RE: Any year long campgrounds near Hamilton ontario?

CoMoCo, Thanks for the update.
pianotuna 01/25/21 09:44am RVing in Canada and Alaska
RE: Calling on Solar Techies

1L243, Victron makes two excellent battery monitors. They are relatively inexpensive. They do require the use of a shunt.
pianotuna 01/25/21 09:43am Tech Issues
RE: Calling on Solar Techies

WFCO is gigo
pianotuna 01/24/21 09:36pm Tech Issues
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