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Old 09-21-2016, 03:51 PM   #57
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Originally Posted by golfarch View Post
Brav:

Where did you find the 'CODE' for the VE Direct to finish the iphone app installation? I can't find the 'CODE' anywhere. It appears to be numbers only?
Should be 000000 by defualt? for bluetooth?
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Old 09-21-2016, 06:34 PM   #58
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Right. When asked for a PIN, enter 000000, which is the default for all VE setting. You can change it later if you desire in the settings section.


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Old 09-22-2016, 07:49 AM   #59
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Lew:

Yesterday I had a technician instal the following: Victron BVM-792, Victron VE.DirectSmart dongle, two new 12V 27 AGM Dual Marine Batteries (20 ah Capacity each), and a Progressive Dynamics PD4600 Series Converter.

Batteries were fully charged and turned on LED ceiling lights and the Monitor indicated that I had 4.6 AH remaining on batteries. After two hours with ceiling lights on, the battery monitor indicated 67 percent battery capacity left and about 1.34 hours left on battery life.

I shut everything off and this morning I checked the monitor and it indicated that the batteries had 39 percent charge left.

This is not right. I must have a short or some bad connection that is draining the batteries. Should the battery monitor at least start with 19 hours of charge remaining after just a few minutes using only 1.6a?

Something is not functioning properly.

I don't know how to resolve this.

Where do I start?

Thanks,

Quote:
Originally Posted by lewster View Post
Right. When asked for a PIN, enter 000000, which is the default for all VE setting. You can change it later if you desire in the settings section.


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Old 09-22-2016, 08:25 AM   #60
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Huh? I thought a Group 27 AGM was about 90 AH capacity. Did you set up your battery monitor with the right amp-hours?

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Old 09-22-2016, 08:53 AM   #61
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Great question. I erroneously used 20 hr for capacity instead of 90ah.

How did I get two college degrees?
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Old 09-22-2016, 09:06 AM   #62
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What's the actual voltage at the battery terminals?

OTOH, sounds like that technician needs to come back with an ammeter, among other things, to figure out what's going on and get it properly sorted.

Also - when you refer to hours remaining, do you mean amp-hours? That number didn't sound right either.
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Old 09-22-2016, 10:00 AM   #63
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Larry:

I reset the monitor to 90 ah and the entire system is functionin gperfectly.

With 0.80 A usage it now indicates that I have 3 days and 5 hours! That's better.

Wrong capacity set everything into 'helter skelter'. Now have proper readings.

Thanks. Very Much.
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Old 09-22-2016, 10:04 AM   #64
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I reset the monitor to 90 ah verses 24 and the system is now reporting proper numbers.

The wrong 24 ah capacity was wrong. It was not reading anything properly. The batteries were not at 36%. They fully charged in less than 2 hours and the time remaining now indicates 3 days and 5 hours with 0.80 A usage. Much better.
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Old 09-22-2016, 10:28 AM   #65
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Yeah, but if you have 2 of those batteries in parallel, you have 180 AH of capacity and you do not want to draw them down to more than 90AH left, 50%.

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Old 09-22-2016, 10:42 AM   #66
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The BMV-702 should be set for your total battery capacity. I would also check the 20 hour rating on the battery label, as most Group 27s have seen are rated at 100 amp/hours.......giving you a total of 200 amp/hours of capacity.

This is the number that should be programmed into your BMV-702.


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Old 09-22-2016, 01:33 PM   #67
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Thanks:

I should reset to 180 ah?
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Old 09-22-2016, 02:49 PM   #68
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You should determine the EXACT battery capacity listed on the battery label and multiply this number by 2 as your Group 27 batteries are 12VDC and the amp/hours of each battery is additive when connected in parallel.


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Old 10-01-2016, 12:42 PM   #69
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Installed new batteries and now getting two different readings at the battery terminals with converter charging; 14.01 left side 12.60 right side. I will monitor and see what happens as the day goes on.
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Old 10-02-2016, 12:58 PM   #70
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Yikes! I'd check the connectors between your batteries for resistance to see whether something is awry.
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