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DVSR modification

J

Justbix1

Active Member
Messages
23
Reaction score
36
Points
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Boat Make
Yamaha
Year
2024
Boat Model
AR
Boat Length
25
Here is the DVSR mod that I did after I installed the Noco dual charger. I know there is the red wire you can cut and attached to the battery switch, but I wasn’t sure which side of the ride wire to attach.


This is on my 2024 AR250. My house battery is still cooked. Will probably install a 100ah lithium shortly.
 
Looking at adding the NOCO Gen5x2 to my 2012 242. I finally got off the wait list and into an enclosed storage unit with power. I like how you simply added the interrupt switch instead of cutting the red wire behind the DVSR.

What switch did you go with? I really like the clean look with the round push button.
 
So my NOCO is hooked up directly to each individual battery (house and start) which are both AGM. Does this mean the DVSR is putting the batteries in parallel when charging every time? No other mod has been done on my start and house batteries or disconnects. It’s all factory as far as I know. The only thing I have noticed on the water is when I start after sitting for a while, the voltage readings on the Conext turn yellow for both batteries while cranking. The DVSR confuses me. Both AGM are new and both show full charge on the NOCO when complete
 
MicahH

Thread 'DVSR help...'

I wouldn’t ask if I hadn’t searched all over. I can not find the tutorial with pictures for modifying the DVSR when adding a 2 bank charger. I just noticed that the red light on the DVSR was on during and after charging while the switches were off. Could someone post the link or pics or instructions for the mod? Summer is almost here!

manualmachine.com

BEP DIGITAL VOLTAGE SENSITIVE RELAY User Manual

View and Download BEP DIGITAL VOLTAGE SENSITIVE RELAY instruction manual online.
manualmachine.com manualmachine.com

IMG_5622.png

IMG_0283.jpeg
 
RockShawn said:
So my NOCO is hooked up directly to each individual battery (house and start) which are both AGM. Does this mean the DVSR is putting the batteries in parallel when charging every time? No other mod has been done on my start and house batteries or disconnects. It’s all factory as far as I know. The only thing I have noticed on the water is when I start after sitting for a while, the voltage readings on the Conext turn yellow for both batteries while cranking. The DVSR confuses me. Both AGM are new and both show full charge on the NOCO when complete
Click to expand...
With the BEP Marine switch set up as delivered from the factory, whenever the voltage on either the start or house gets to 13.4 volts the DVSR closes the switch // the start and house batteries, when the voltage drops to 12.8 volts the DVSR opens the switch breaking // between the start and house batteries, isolating them.

When charging batteries, the charge voltage will be 14.4 volts for AGM batteries and a bit higher for FLA batteries.

If both voltage meters are going to yellow when you start the boat, that means you have the emergency // switch turned on, turn it off and leave it off unless your start battery is too low to start the engines.

In normal use, when you get ready to head out, Star Battery ON-green, House Battery ON-green, emergency parallel switch OFF-red.
 
FSH 210 Sport said:
With the BEP Marine switch set up as delivered from the factory, whenever the voltage on either the start or house gets to 13.4 volts the DVSR closes the switch // the start and house batteries, when the voltage drops to 12.8 volts the DVSR opens the switch breaking // between the start and house batteries, isolating them.

When charging batteries, the charge voltage will be 14.4 volts for AGM batteries and a bit higher for FLA batteries.

If both voltage meters are going to yellow when you start the boat, that means you have the emergency // switch turned on, turn it off and leave it off unless your start battery is too low to start the engines.

In normal use, when you get ready to head out, Star Battery ON-green, House Battery ON-green, emergency parallel switch OFF-red.
Click to expand...
Ok, the yellow switch is in the up and down position (like the battery cutoffs when off) i never looked to see if that is the right position tho. I’ll do that. Previous owner said up and down was the off position on yellow but i never verified.

Looks like i need to do yours or this mod for the DVSR or would I just hook up one battery to the NOCO? Previous boat my trolling batteries were wired hard in Parallel so I only had one battery connected to the charger. That i understand. The DVSR is tripping me up.
 
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