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I have a problem with my U Power (Power Jack) 48v, 15000w split phase inverter. (120/230V output).

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(@ituscol)
Active Member
Joined: 3 years ago
Posts: 15
 

can you get dip switch settings for 48v 15kw upower for I think its all about settings and wire connections for the components are better than my old inverter, that asl4 transformer should handle a good load depending on the battery bank, the mosfets are also very capable, so I think power is no issue it got to be control board connections and settings, for the sensors. because when alarm goes on the mosfets are just warm and the transformer also so its not because the power board and transformer is overloaded.


   
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(@dickson)
Noble Member
Joined: 4 years ago
Posts: 1058
 

 

the mosfets are also very capable, so I think power is no issue it got to be control board connections and settings, for the sensors. because when alarm goes on the mosfets are just warm and the transformer also so its not because the power board and transformer is overloaded.

There are picture of SWI DIP  for  PJ 8kw  15kw  20kw  25kw  30kw  on this forum  for  the rev 10.3 control board  if you have the time to search  .    I set my  rev 11.1 control board with all the switch OFF which is the same for  the PJ 20kw and PJ 25kw .     I  try other  switch settings and it made no difference .    The  MPU or CPU  been change and I think  the source code been change to shutdown  when there is NO overload .     I  have a 2 years old PJ 15kw  and I change to a rev 11.1 control board that will now only do 4000 watts    but before with the rev 10.3  will do  8000 watts for 15 min .     I  am fustrated with the new  PJ inverter advertising  especially the  AMG  advertising  as  it seem like a  12000 watt AMG will only do one quarter  like 3000 watts .   

 

 


   
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(@sid-genetry-solar)
Member Admin
Joined: 4 years ago
Posts: 2890
 
Posted by: @dickson
I am fustrated with the new PJ inverter advertising especially the AMG advertising as it seem like a 12000 watt AMG will only do one quarter like 3000 watts .

Nothing new....

 

Posted by: @dickson
The MPU or CPU been change and I think the source code been change to shutdown when there is NO overload .

There is no change to the code in that regard.  The different processors are due to lack of supply for the one they've used all along; all of the processors are in the same family, so no changes are required to either the board or the code.

Would suspect that the new "Charge Amp Limit" on the 11.1 board could very well be at fault here. 

The more DIP switches that are turned on, the higher the amp limit should be.  These switches just add more shunt resistors across the current sense transformer.  However, the "Charge Amp Limit" directly changes the limit when the circuit thinks the inverter is in charge mode.


   
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