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Peter Kennedy has been in  business since 1991 designing, installing and servicing marine electrical systems. The purpose of this blog is to offer support to both professional installers and  do-it-yourself boat owners who wish to undertake this work themselves.
Peter Kennedy has been in  business since 1991 designing, installing and servicing marine electrical systems. The purpose of this blog is to offer support to both professional installers and  do-it-yourself boat owners who wish to undertake this work themselves.

What is the load output used for on certain Victron MPPT charge controllers

Posted by Peter Kennedy on 4/4/2018 to Solar
A typical use for the load output is for a well pump.  The well pump will run from the battery as long as the battery is charged.  After the sun goes down and the battery starts to run down the load output will turn off and the well pump will stop.

This feature is found on the following Victron MPPT Charge Controllers

Like everything else on these charge controllers the load output can be configured.  Its easiest to do with the Bluetooth charge controllers but can be done with them all.  Here is an excerpt from the manual:

3.6 The load output
The load out output can be configured with Bluetooth or via VE.Direct.
Alternatively, a jumper can be used to to configure the load output as follows:

No jumper: BatteryLife algorithm 
     (see manual for more details)

Jumper between pin 1 and pin 2: 
     Low voltage load disconnect: 11,1V or 22,2V
     Automatic load reconnect: 13,1V or 26,2V

Jumper between pin 2 and pin 3: 
     Low voltage load disconnect: 11,8V or 23,6V
     Automatic load reconnect: 14V or 28V

Programming the load output by Bluetooth is even easier, a screenshot is below:



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