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Old 06-08-2016, 03:41 PM   #99
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^+1.

Just move both power cables to the same post.
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Old 06-08-2016, 04:59 PM   #100
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A really big Thank You to all for the advice. I assume that moving both red cables to the same post means that I'm essentially connecting them together using the solenoid simply as a buss bar to bind them together?
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Old 06-08-2016, 06:10 PM   #101
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I assume that moving both red cables to the same post means that I'm essentially connecting them together using the solenoid simply as a buss bar to bind them together?

Correct.
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Old 06-08-2016, 06:12 PM   #102
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If you put both cables on the down stream side of the relay and pull the fuse, you won't have to worry about the other side of the relay being hot.
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Old 06-08-2016, 08:46 PM   #103
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Sounds perfectly reasonable, gonna try it tomorrow. Thanks again to all.
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Old 06-08-2016, 09:18 PM   #104
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If you put both cables on the down stream side of the relay and pull the fuse, you won't have to worry about the other side of the relay being hot.
I don't know what I'm thinking, if you pull the fuse, it doesn't mater which post you choose.
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Old 06-08-2016, 10:16 PM   #105
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gonna try it tomorrow. .
Remember not to work on an energized system. Disconnect the negative lead from the battery bank before starting. The cable you will be working with is still energized with the Main Disconnect turned off.
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Old 06-09-2016, 06:42 AM   #106
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Good point. I'm so used to working (carefully) with energized AC circuits in my home that sometimes I forget that DC can be dangerous too.
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Old 06-09-2016, 09:14 AM   #107
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Good point. I'm so used to working (carefully) with energized AC circuits in my home that sometimes I forget that DC can be dangerous too.

Also take off any rings you might have on your hands when working around 12V DC circuit. One wrong move can make a ring red hot in an instant.


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Old 06-09-2016, 09:17 AM   #108
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Service Bulletin 164 - Battery Draw

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It looks like the DCLD is a low current device so any simple toggle switch would work. The Magnum installation manual for the DCLD only requires a 5 amp fuse. I'll have to take some measurements once I get my DCLD. I'd like to mount it on the main control panel in the rear curbside overhead where I have all my other controls.


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I've tried two sources to get the DCLD. Seems they are out of stock and Magnum is behind deliveries because they are moving from Washington state to Minnesota. Got a call back from Randy at Inverter Sales and Service after placing an order online. I had previously ordered from Amazon supplier Hurricane Wind Power, only to have my order cancelled because the ME-DCLD were out of stock. I'll just have to wait a few months to get this part.

Magnum was bought by Sensata a few years ago and it now looks like they are consolidating their offices at Sensata's HQ in St. Paul

http://www.magnum-dimensions.com/con...num-dimensions

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Old 06-09-2016, 11:49 AM   #109
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I've tried two sources to get the DCLD. Seems they are out of stock and Magnum is behind deliveries because they are moving from Washington state to Minnesota.
Same thing happened to me. On the day it was supposed to arrive through Amazon, the order was cancelled by the vendor saying he had the wrong stats for stock on hand.

I am now pondering whether I should use the solid state relay or just bypass the darn thing.

Maybe we created a run on their stock by our discussions.
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Old 06-09-2016, 12:45 PM   #110
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Same thing happened to me. On the day it was supposed to arrive through Amazon, the order was cancelled by the vendor saying he had the wrong stats for stock on hand.

I am now pondering whether I should use the solid state relay or just bypass the darn thing.

Maybe we created a run on their stock by our discussions.
Based on my conversation this morning with Randy from Inverter Sales and Service he is having general problems getting anything quickly from Magnum at the moment. He said he has other Magnum orders from April that haven't yet been filled. He claimed it was likely due to their transition from Washington to Minnesota. I think it will just take a few months for Magnum to get caught up on orders.
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Old 06-09-2016, 05:22 PM   #111
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Hi Gang,

I just got off the phone with a couple of the top folks at Magnum. Please allow me to clear up some of the confusion that's been stated here and some misunderstandings about the much-mentioned ME-DCLD.

First, MAGNUM IS NOT MOVING IN THE NEAR FUTURE! This tidbit was provided by the head of Magnum sales, with whom I spoke directly.

Second, there are plenty of ME-DCLD units in stock at Magnum....... How many and how soon would you like them????

Third ...... AND MOST IMPORTANT!!!!
While the DCLD will prevent the inverter from either turning on or being left on...... AND PLEASE PAY CLOSE ATTENTION TO THIS......

AS LONG AS ANY MAGNUM IS CONNECTED TO YOUR DC POWER SOURCE (your house battery bank) IT WILL STILL DRAW A PARASITIC LOAD OF APPROX. 200+/- milliamps!!!!!

The above statement is from Magnum's lead tech support person.

In addition, as I have stated all along......... the ONLY way to guarantee that you have no parasitic loads on your house batteries coming from the Magnum inverter IS TO INSTALL A MANUAL DISCONNECT SWITCH ( like the Blue Sea Systems M-series) in the positive power cable feeding directly into the Magnum, as I do in EVERY inverter installation that I do.

Remember however, that with no DC coming into the Magnum, there is no power to the internal transfer relay that allows the incoming 120VAC to pass thru to the inverter circuits.

This was also confirmed by Magnum.

There you have it......... Directly from the folks at Magnum !!!!!!

I hope you find this information useful. :-))


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Old 06-09-2016, 09:18 PM   #112
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YES! Good info Lou, as usual. I was only relaying what the rep from one of Magnum's distributors told me this morning. If there are so many of the DCLDs in stock at Magnum then maybe there is a chance my order will eventually get filled.

Also many thanks for answering my main technical question on the parasitic drain even with the DCLD installed. A 200 milliamp drain is only about half of the drain without the DCLD, which is about 400 milliamp when Inverter is turned off at control panel. I was going to measure this myself when I got the DCLD.

But as an alternative for the Airstream's messy solution of SB164 the MM-DCLD is a simple solution that could be useful for some owners who haven't made major upgrades to their electrics. In my view the MM-DCLD is a much better solution to minimize parasitic drain during short term storage of an Interstate.

...and thank you for reminding me that if you disconnect the Magnum Inverter/charger it will no longer transfer 120VAC power.


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