17' Series Setec Unit

[garfield28]

Hi all,

I am pulling out my setec Unit as I do not use the battery charging aspect of it, so it has no use other than that.

My question for anyone that knows, for some reason mine has a fuse installed and cables that state HWS and water pump etc, but I don't have those options installed on my van.

Also, anyone have some advice for how I can check what the cables I have disconnected actually are even for please? I have a basic model 2010 Jayco Expanda so not sure why I have so many cables when basically I really on have the bed end lights, the ceiling lights, and the lights outside the door and under the awning.

Anyy advice much appreciated.

Thanks
Geoff

 

[Drover]

The best and most accurate way is to turn everything on and pull each fuse in turn or power each circuit up individually and see, if you have disconnected it all just use a simple jumper lead ................. With Jayco not always labelling things correctly another van may not match yours.. The HWS/Pump fuse may just be empty circuits so could be handy to track for add ons.

 

[BaldEd]

Drover: So true. When my Jayco arrived from the factory, my memory may have dimmed a little since, but I seem to recall that only 2 or 3 of the 8 SETEC fuses were correctly labeled. I had to go through that exercise of turning everything ON and then pulling the fuses one by one to identify what each fuse was connected to.

 

[garfield28]

Thanks for the replies.

If I remove the Setec unit does that mean that all of my lights can only run off 12V power even when I am connected to 240V mains? Just haw the Setec unit has that battery switch so I gather if I remove it the lights will no longer work off 240V.

 

[Boots in Action]

Hi all,

I am pulling out my setec Unit as I do not use the battery charging aspect of it, so it has no use other than that.

My question for anyone that knows, for some reason mine has a fuse installed and cables that state HWS and water pump etc, but I don't have those options installed on my van.

Also, anyone have some advice for how I can check what the cables I have disconnected actually are even for please? I have a basic model 2010 Jayco Expanda so not sure why I have so many cables when basically I really on have the bed end lights, the ceiling lights, and the lights outside the door and under the awning.

Anyy advice much appreciated.

Thanks
Geoff

Don't forget @garfield28 that the Setec also acts as a power distribution device for all the 12 volt power circuits. Although you may not use the Setec for charging a battery, other 12 volt circuits including lights, (inside and out), water pump, bed lights etc are all distributed via the Setec -hence the various fuses. All 240 volt circuits are wired separate to any 12 volt systems. So whilst you may not use or want to use the 240 volt/12 volt charging system in the Setec, unless you want to rewire all the different 12 volt circuits , you will need to keep the Setec. Just disconnect the 240 volt AC plug to the Setec and leave it at that. A different/better?? charging system can be connected directly to the battery from the 240 volt AC socket and not through the Setec unit.

Also note what @Drover said about labeling and circuit connections as labelling is often incorrect.

 

[Drover]

Many have fitted better BMS units to charge their batteries especially for AGM's and Lithiums but they kept the Setek unit as the 12v distribution system/fuse block for their 12v lights etc, this is achieved by unplugging the 240 mains, in fact you could cut the lead off, so long as its connected to the battery as originally it will power all your 12v lighting as before, to change it would be as Boots described and you would end up with the same thing, just a fancy fuse board....

 

[garfield28]

Thanks for the replies men.

If I were to unplug the 240plug that is connected to the Setec, are you saying even then if I were plugged into mains power the lights would still run off the Setec unit through 240V not the battery itself, unless I had the switch turned to Battery?

I thought the power lead that goes into the box that the Setec hides in does more than charge the battery, I thought it was also the way that the lights used power when connected to mains power. Have I got that all wrong?