I am a new comer to this forum and a new comer to travel trailers. We recently bought A camplite that is new 21rbs i am along the way of setting up twin batteries, Inverter and Midnite KID solar with 4x100W flex panels. We have connected a system/wiring diagram of this the thing I’m presently setting up and you will be powering up within the day that is next 2.I would appreciate any feedback regarding the design to make sure a suitable and SECURE system before I switch on!
Let me reveal a hyperlink to your diagram.
4kw panels into 2xMNClassic150 370ah 48v bank 2xOutback 3548 inverter 120v + 240v autotransformerNight system
1kw panels into 1xMNClassic150 700ah 12v bank morningstar 300w inverter
Thank you for remarks.
Correct the inverter that is 2000W big and is sized for operating microwave oven OR expresso device for some mins each.
Yes, how big is the inverter might draw an excessive amount of when performing sitting idle and it is made to turn on/off effortlessly, Many Thanks!
All breakers and cables sizes are to spec. This is true of energy center, solar and inverter. Wire lengths are quick runs in every full situations.i.e. all 1/0 cable lengths that are positive as much as 0 В· Share on Twitter
1.2KW down grid system; 2 strings of 2ea 305W 60 mobile panels on a redneck ground mount; MNPV3 combiner feeds a MN Timeless 150 located 100′ away; 12V 460AH FLA battery bank abilities a cabin-wide 12V DC system in addition to a Cotek 700W PSW inverter; Honda EU2000i and IOTA 55A charger bridge cloudy times and a Champion 3800W generator for brief timeframe, energy appliances that are hungry.
Hi Mike,Thanks, you nailed my primary problem.
The Midnite Solar KID possesses DC GFP that We have maybe perhaps not shown because IвЂ™m nevertheless hoping to get some answers that are definitive just how to hookup battery pack negative (framework connect or otherwise not) and ground (framework connect or otherwise not). The factory setup possessed a battery that is single attached to the framework nothing else. The ability center had all DC negative leads attached to a typical coach club that ended up being attached to the framework in addition to AC ground. AC neutral and ground aren’t fused (by code bond that is just that is done at coast energy panel). Therefore my question is do I disconnect the battery pack negative from framework and then leave grounds to framework? Or float ground or another thing? IвЂ™ll be setting up the GFP today that connects between battery pack negative and ground and basically disconnects the PV+ during fault. As shown now it will trip while you state.
Right now IвЂ™m tilting towards disconnecting trailer framework from battery pack negative.
1.2KW down grid system; 2 strings of 2ea 305W 60 cellular panels for a redneck ground mount; MNPV3 combiner feeds a MN Timeless 150 located 100′ away; 12V 460AH FLA battery pack bank abilities a cabin-wide 12V DC system in addition to a Cotek 700W PSW inverter; Honda EU2000i and IOTA 55A charger bridge cloudy times and a Champion 3800W generator for quick length, energy appliances that are hungry.
Essentially all grounds get to frame. That features AC ground from coast and all framework grounds of elements. Battery negative normally attached to framework. We included the DC-GPF from Midnite Solar into the final diagram (see express link). We setup tested and every thing worked fine today. Wire length arrived up in a reviews that are few had off their sources. Keep in mind that the trip that is”round period of the 1/0 cable is lower than 8 legs. from battery pack terminals to inverter and straight straight right back.
One small modification we would make is your battery pack bank grounding towards the framework ground. I will suggest from the negative battery post to the common negative bus on the other side of the shunt that you move it.
With automobile lots, many utilize the framework while the return for energy (DC illumination, automotive radio, and such). In which you have actually the framework to battery pack ground now will “miss” any loads that happen to get back present through their framework ground connection(s).
Battery pack bank is tiny for a 2,000 Watt @ 12 VDC inverter. Nominally, I would personally be suggesting a 500 Watt optimum constant AC load. (2,000 watts * 1/0.85 AC inverter eff * 1/10.5 volt battery pack cutoff=) 224 Amp nominal present movement at maximum AC inverter score.
1/0 cable is NEC ranked for
125 to 170 amps (in conduit)—And if perhaps you were likely to actually run the inverter near 2,000 watts for extended durations of that time period (many moments), i might be suggesting a 1.25 Wiring+Breaker derating (224 amps * 1.25 derating=)
280 Amp minimum rated Branch Circuit DC present.
If you utilize the less conservative Marine Wiring standards, 1/0 is perfect for well over 285 Amps
You may not show breakers/fuses for a few associated with the wiring making the positive coach club for a few for the other DC loads (hitch plug, cooling fan)–You needs to have security for those of you connections too (fuses/breakers ranked to size of wiring).