Jump to content
mohammedbera2

Axpert / Mecer 5KVA model

Recommended Posts

I powered up the inverters one by one , but only on batery to check if the firmware was compatible. I did this multiple times as wel as at the same time. Both inverters was master and slave during the various startups. I hope this makes sense. 

Share this post


Link to post
Share on other sites
21 minutes ago, Werner Piek said:

59FA53E0-CA48-4E85-9B35-4F59E434682B.thumb.jpeg.cc43774d284d74d218ad2901b04e30d2.jpeg

0C074E9B-CF83-4C03-A7B4-C863667727D2.jpeg

Today I completed the power hookup. I tested the two inverters (one on the left is old one 5kva /4kw with firmware 72.7c and the one on the right new 5kva/5kw with firmware 74.1) They have now been running or about 2 hours . Tested under load at about 7.8kw and the two inverters shared the load about equaly at around 3.9 each 97% and 78% . Two different models 4kv and 5kv successfully paired.

Share this post


Link to post
Share on other sites
On 2/2/2018 at 2:09 PM, Coulomb said:
Quote

i will give it a try and see what happens 

I'll be very interested to hear the result

Fault  code ( 71 )

same as @Werner Piek

Will update pf0.8 unit to 72.70c and give it a try  should be fine then 

Thank 

Share this post


Link to post
Share on other sites
On 02/02/2018 at 8:29 PM, mohammedbera2 said:

spoke to the supplier : asked them for 74.10

... reply was it will work  must use 74.10 as master unit and  72.60 as slave

 

 

Quote

 

Fault  code ( 71 )

same as @Werner Piek

 

So it's official then. The supplier's really don't know what will work and what won't, and people like @Werner Piek and others have to figure it out for ourselves. Thanks, Power Forum, for hosting this valuable information!

[ Edit: and thanks Werner, for providing it, of course. ]

Edited by Coulomb
Where were my manners?

Share this post


Link to post
Share on other sites

 Will it be OK :wacko: 

To connect  only :

battery

ac in

and

ac out

For a while 

Panels still in boxes waiting  on rails 

 

Or should I rather  wait until panels  are  up and then connect  everything  ?

 

 

Share this post


Link to post
Share on other sites
13 hours ago, mohammedbera2 said:

 Will it be OK :wacko:

To connect only :

battery

 

 

I am glad you got them paralleled. I am currently running mine only on batteries. Also still need to put my solar panels up. Eskom was down yesterday for 6 hours and the inverters worked well. 

One thing I have noticed is that even though both inverters ( 74.10 and 72.70c ) can be either master or slave . Settings will only change on both inverters if the master is 74.10. I noticed that with the backlight setting on and off. So it would make sense to only do setting changes when the master is 74.10. The 72.10 also have the battery equalization ability.

Now I cant wait to put the panels up.

 

Edited by Werner Piek
update

Share this post


Link to post
Share on other sites

I have picked up one small issue with the two inverters running different firmwares. The monitoring software ( watchpower 1.11) only picks up the master and the cable has to be plugged into the master. If I add the slave on a separate cable( either the serial and usb wit same results) it wil come up on its own port for 2 seconds identify itself but does not populate the tables. Then it disappear again. 

Share this post


Link to post
Share on other sites

Mohammedbera2's supplier sent him the update file for 72.61, to downgrade his new pf1.0 machine (supplied with 74.10) to work with his old pf0.8 machine. Presumably the supplier would have assumed that the old machine was running factory firmware 72.60.

He's asked me what firmware he should run - LC1_72.70c on both, or 72.61 on both, or 72.60 on old and 72.61 on new.

Weber and I thought we should answer this question publicly, in case anyone else is considering replacing 74.10 with an earlier version.

Since there is no way to restore 74.10 if it doesn't work, then we recommend you do exactly what the supplier tells you to do. That way, if it doesn't work, it's their fault, not yours, and not ours. In Mohammedbera2's case, that should probably be PB1_72.60a (to properly charge the battery) in the old machine, and the supplied 72.61 in the newer machine.

If the new 5 kW/5 kVA machine does work with 72.61, then you could consider putting a patched version of the firmware into both inverters. But it must be the same patched version in both inverters: either 72.60a in both, or 72.70c in both, or 73.00a in both. But this would be entirely at your own risk. We have not tested any of our patched firmware in a  5 kW/5 kVA machine.

Perhaps someone else might be willing to test that combination first.

For more information about which version are parallel compatible, see this post:
http://forums.aeva.asn.au/viewtopic.php?p=66644#p66644

Share this post


Link to post
Share on other sites

Thank you to everyone for the input it has helped me a lot. My system works well with the two different firmwares and two different hardwares paralleled. 5048 pf 1 with 74.10 and 4048 pf0.8 with 72.70c . My only issue being the monitoring software keeps on loosing coms with the slave . I would consider  loading the downgrade firmware 72.61 , but only if I can get 74.10 just in case it does nit work.

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

×