Nuevo Wireing

I am getting very low amps from 100 w SP less than 2 amps in Ideal conditions.SP votage over 19 v , looking at by passing the Sargent unit and fitting a mppt controller .how does the wiring cover in the corner of the nuevo wardrobe come apart  to run new cables .any advice on how to improve SP output .Bazz

Be aware that you are unlikely to ever see the claimed 100W (thats just 8 amps remember) from your panel.

the 100W is the theoretical maxium which you wont get from a horizontally mounted panel and you certainly wont get it in UK at the end of August!

all that said 2amps is a bit low, assuming that the reading was taken in UK during August - if you get 2amps in December be delighted!

Molly3 wrote:how does the wiring cover in the corner of the nuevo wardrobe come apart  to run new cables 

Why go to that much trouble?
Just run the new cable down the back of the wardrobe. It won't even show with the door open if you have a few coats on the hanger! 

Can anyone tell me where I can get a replacement drivers wing mirror for my T4 Auto Sleeper Clubman from P reg

raymondo wrote:Be aware that you are unlikely to ever see the claimed 100W (thats just 8 amps remember) from your panel.

the 100W is the theoretical maxium which you wont get from a horizontally mounted panel and you certainly wont get it in UK at the end of August!

all that said 2amps is a bit low, assuming that the reading was taken in UK during August - if you get 2amps in December be delighted!

As I said in ideal conditions

Gromit wrote:

Molly3 wrote:how does the wiring cover in the corner of the nuevo wardrobe come apart  to run new cables 

Why go to that much trouble?
Just run the new cable down the back of the wardrobe. It won't even show with the door open if you have a few coats on the hanger! 

How much trouble is it to remove the the corner box ?

Molly3 wrote:I am getting very low amps from 100 w SP less than 2 amps in Ideal conditions.SP votage over 19 v , looking at by passing the Sargent unit and fitting a mppt controller .how does the wiring cover in the corner of the nuevo wardrobe come apart  to run new cables .any advice on how to improve SP output .Bazz

Sorry to say it, but I would suspect a fault with the panel, not the Sargent controller.

I have a very similar setup on the Celex, with a 100W panel, using the 2-channel standard solar controller in a Sargent EC328, and I see 5A in good sunlight, and a panel voltage of around 21-22V. Without knowing more about the spec of the panel, I don't think what you are seeing (i.e. low panel voltage) suggests a problem with the controller.

Is it fair to assume that the whole panel is in sunlight and that there are no shaded areas?

Yes that is correct .

Sorry - hope I'm wrong. It's what I dread with my (Sikaflexed-down) panel.

I should add that I made the above comments without knowing anything about the state of charge of the battery that the panel is charging. If the battery was absolutely fully charged already then it would not be at all unusual to see low Amps from controller to battery - the controller would simply be shutting down its output to prevent overcharging the battery.

But... low panel volts does not look good. Can you see the label on the back of the panel, or is yours fixed down too?

As I said in ideal conditions

which would be noon June 26 whilst driving along the equator!!!

Your panel will NEVER see 'ideal conditions',

It is almost certainly horizontal - to be ideal it should be inclined at your latitude plus 15degrees (mid summer) or your latitude minus 15 degrees (mid winter) - for days between these extremes the angle of tilt changes incrementally

Ideal conditions only occur at noon mid summer



My home set up has a stated out put of 4500W some times it doesnt make 100W and even in June at midday the output is usually only about 3000W (because the angle of my roof isnt ideal and the panels are not facing due south)

So how about you tell us what the 'ideal conditions' your panel was under when you got 'only' 2A (28W) from your 8A panel?

Mojo's 5A output is the sort of current you can hope for,.

BTW it only takes a tiny portion of the panel to be in shade and it will knock out a whole cell which will reduce the voltage and hence the ampage

Stumacey64 wrote:Can anyone tell me where I can get a replacement drivers wing mirror for my T4 Auto Sleeper Clubman from P reg

Please repost this by starting a new thread in the monocoque section.

Ideal conditions .mid day, no cloud ,middle of summer ,no shading ,not seen 2 amps all summer .

I checked battery condition this morning  leisure battery 12.8 v  engine battery 12.8  v/ no sun, checked later full sun  leisure battery  13.0 v , engine battery 14.4. V  ?? could this be part of my problem  or is this normal . the engine has not been star ted . bazz

Stumacey64 wrote:Can anyone tell me where I can get a replacement drivers wing mirror for my T4 Auto Sleeper Clubman from P reg

Welcome to the forum from sunny Bridlington 
Boaby

I would say your cells are fully charged, and as already mentioned the controller is shutting the power Down so as not to overcharge.
I have 400watts of panels on my roof and when cells are fully charged im only seeing 1.1 to 1.6 amps in very good conditions ..... ( I didnt say ideal !!! ).

Just checked mine,

Regulator shows both cells fully charged with leisure at 13.3v and starter at 12.9. Regulator is showing trickle charge of 1.2 amps.

Can anyone explain why my leisure B reads 13.3 engine B 14.4.? Vehicle not used for ten days

they are receiving charge from your panel via regulator. My leisure sits at just over 13 when fully charged as the regulator is trickle charging. Your vehicle battery at 14.4 would suggest it is not fully charged so is receiving a suitable charge rate from the regulator.

Agreed - it suggests that the controller is trying to bulk charge that battery and it is not yet in "float" mode. One explanation could be that the controller is set up to put most of its output into the leisure battery - which would mean that the engine battery could take a lot longer to enter float. My EC328 was set to 50:50 from the factory, but that was Bilbos, not A/S. I don't know whether A/S change the charging ratio or not at the factory.