Help with Xantrex Link 10 Install

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NautiDuck

NautiDuck

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Jun 3, 2004
730
Catalina 250 Wing Keel Eugene, OR
I have posted this question to Xantrex tech support. I just installed a Xantrex Link 10 Battery Monitor. Everything installed great except they give no directions on how to connect the battery charger and Outboard wiring. I am assuming (danger!) that the negative leads from these two devices go to the "Load side" of the shunt and that the positive leads both go to the battery positive post. Correct?
 
Rich Stidger

Rich Stidger

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Feb 10, 2004
4,233
Hunter 40.5 Warwick, RI
I have a Link 20 which is similar......

The battery positive goes to the loads and to the positive output of the charger. All of the load returns and the charger return connect to the load side of the shunt and the other end of the shunt goes to the battery negative. In this way, the charging current will be measured by the shunt and the Link 10 will be able to keep track of the currents that are drawn from the battery and replaced into the battery by the charger. The answer to your original question is YES, you are correct.
 
NautiDuck

NautiDuck

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Jun 3, 2004
730
Catalina 250 Wing Keel Eugene, OR
Official Response

Just got an e-mail from Xantrex (thank you!). Here it is: ALL loads and charging sources (inverter/charger, outboard, etc) should be connected to the load side of the shunt (furthest from the battery) in order for the meter to calculate them in the amp-hours. Positives can go right to the battery positive post....As long as you remember that ALL negative connections for the DC system go on the load side of the shunt, you should be fine.
 
Stu Jackson

Stu Jackson

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Feb 26, 2004
23,344
Catalina 34 224 Maple Bay, BC, Canada
Shunts are like parallel pipes

The Blue Seas System catalog shows it much better than I can explain it, but if you think of the shunt like a smaller pipe that parallel the main pipe then all it is measuring is the flow (amps) through the main pipe by using the samller bypass and proportioning the flow (into the ammeter). Randy, try the Blue Seas website or Google ammeter shunts and somewhere someone will have an explanation with pictures. Reason is that that understanding of what they are doing will answer how it should be wired (as they have now explained it to you).
 
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