Recently upgraded solar panels. Have Easysolar 2 GX with 8 Jinko JKM440N version V & 6 Jinko JKM440N version B panels. All the panels have been wired in parallel. My problem is the Victron unit only recognises one type. If I plug each type in as one unit it is recognised but not together. They are both the same in wattage, amperage.
The Easysolar doesnât ârecognizeâ the panels it just sees voltage on itâs input or not.
Check the wiring, maybe you connect them together in reverse?
I can confirm that I have Jinko panels and they work just fine. Maybe something wrong with your panels or wiring? Test with a MM.
Use the victron mppt calculator to check how your system should be wired, 14 panels in parallel does not sound right.
Also avoid mixing different types of panels on 1 tracker (most mpptâs only have one tracker despite having multiple inputs), mixing panels usually results in worse system performance overall.
Have checked them with voltage meter and all correct. With only the V group plugged in the output on the Victron is around 1100watts. When I add the B group to them the output doesnât change, still only 1100watts.
And the polarity is correct on the second string?
Do they produce if you disconnect the origionals?
After connecting the second string, did you waited for at least 10 minutes for the MPPT to do another sweep and find the new MPP?
The panels, from what I see, have pretty much the same characteristics, but who knowsâŠ
Have tried them in series, parallel & individual groups. They work when plugged in as individual groups but fail when you combine them. Have Googled the difference between them & its only appearance, one is black trim & the other is white trim.
Yes, each work if you set them up as B group or V group, but not combined.
Now I seeâŠ
Do you have a string of 6 (six) panels and one of 8 (eight) panels ???
And you are trying to put them in parallel?
They wont work that wayâŠ
Considering that they have the same characteristics, combine 6 with 6, or 7 with 7, not 6 with 8.
If you put 6 with 8, youâll always have only the power of the 8, bar the case of shadowing.
What easy solar do you have?
Tried them in series as 2 groups of 6 panels, only 1 group worked . Then tried reach group separately & each worked but not combined in series. So then changed the wiring to make them all parallel. Output from the B group was 1100watts this morning & when I added the V group of panels the output didnât change. So I assume its not working.
Have the Easysolar - 11 GX 48Volt / 5000 / 70amp with Mppt 250 / 100
DO NOT connect a group of 8 in parallel with a group of 6, as youâve said in the first post, because it wont work properly.
As individual groups B & V yes but not combined.
Please donât randomly connect panels to your mppt, you will break your device!
The 250 in the mppt model number implies 250V is the maximum PV input voltage, if you connect a higher voltage the mppt will break. There is a big chance itâs already broken if you connected 6 or more panels in series.
Without knowing the exact specifications for the solar panels iâm guessing the best way is either 2 strings of 5 panels or 3 strings of 4 panels. Check for yourself with the calculator provided by victron.
If you want to connect the remaining panels i suggest getting a separate mppt for those.
Good point Mac !! 
Downloaded now their specs and indeed the VOC is 40V for these panels.
So no more than 5 panels in series. 6 is risky if you take low temperatures in consideration.
So 3 strings of 5 panels in series is best, if you buy another V panel to make a total of 15.
Now, depending on the Easysolar model, three strings in parallel could be too much, if you have the 3000VA model.
ES 3000 has a 250/70 MPPT that accepts only 35A for the MPPT input and those panels have 13.8A short circuit current.
So 13.8 x 3 strings = 41.4A, which is above the 35A of the Easysolar 3000, so only 2 strings should be installed.
If you have Easysolar 5000, 3 strings will be OK.
But all these are design tips, that forum rules are not encouraging, because many times lack of info, lack of reading docs, lack of knowledge, etc. could lead to malfunctions and then who will be to blame ?.. The OP or the ones that tried to help without the whole picture ?..
Nothing wrong with the Victron unit. Each 2 panels are in series making 48v, then paralleled to next 2 panels in series. So max volts at the end is only 48v.
@alexpescaru
He said heâs got the 5000
Pretty sure you can connect different types of panels in different strings and parallel the strings. It would have the same effect as having multiple strings of the same panels in parallel but with some strings being in full sun and others in the shade - that happens all the time!
So, in the end, when you tried to have them all, you tried to have 7 parallel strings of 2 panels in series???
That is 7x13.8A = 96.6A. Way beyond 70A MPPT input limit of the 250/100 in the Easysolar 2 5000.
So the MPPT was protecting itselfâŠ