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Open Roads Forum  >  Tech Issues

 > 675w Solar Installed w/Pictures

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smkettner

Southern California

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Posted: 02/26/12 02:15pm Link  |  Quote  |  Print  |  Notify Moderator

Some wanted to see these bad boys once completed so here you go.

3x Phono Solar 225w panels. These are 24v panel wired in series. Just a simple strain relief to send the power down. No combiner box or extra connections.



Picture of the rack mount system. No provision was made to tilt the panels.



Here is the Morningstar MPPT 60 that converts the ~120vdc from the panels to the 12v needed to charge the battery. To the right is a high voltage switch to cut power from the panels. Inside the box are some Edison base 10a fuses. This switch is not DC rated and is in process to be replaced. Probably with Schneider H221N switch.



Everyone seems to like a battery picture.



And for all you techies, a pic of my battery monitor.



Any comments or red flags to address please let me know.
Primary equipment was just under $1,500 Probably $250 more to complete the install.

Panels, controller and wire bought here: www.solarblvd.com

* This post was edited 02/09/14 03:02pm by smkettner *


2001 F150 SuperCrew
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BFL13

Victoria, BC

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Posted: 02/26/12 02:36pm Link  |  Quote  |  Print  |  Notify Moderator

That ought to work!

-The wires might be too loose in the wind when driving? Suggest at least secure to bottom of a/c to tighen them up?

-It is good the panels are slightly tilted so rain will drain off. My panel instructions say to have at least 5 degrees for that, so you don't get damage from long periods of standing water on them.

-I bet that "monitor's" voltage drops a bunch more than the real battery voltage when you have something plugged into that 12v socket


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sonicsix

Jerry n' Cynthia

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Posted: 02/26/12 02:44pm Link  |  Quote  |  Print  |  Notify Moderator

A little dab of Dicor in a couple spots will secure those wires without making more holes. Overall, the system looks good... lots of watts for just 4 batteries. They could go from 50% to 100% in an hour - LOL.





mena661

Southern California

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Posted: 02/26/12 02:45pm Link  |  Quote  |  Print  |  Notify Moderator

Nice job! Super clean and obviously well thought out.


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MrWizard

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Posted: 02/26/12 03:23pm Link  |  Quote  |  Print  |  Notify Moderator

lovely, tape the wires with Eternabond, or use some dicor , just so they don't flop in the wind


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shooted

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Posted: 02/26/12 03:28pm Link  |  Quote  |  Print  |  Notify Moderator

Hi smkettner,
Is the battery box vented? It looks open to the compartment with the electronics and the big propane bottle. Maybe they are AGM? Your install looks great!

KJINTF

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Posted: 02/26/12 03:48pm Link  |  Quote  |  Print  |  Notify Moderator

smkettner

As mentioned by others the wires could use something to hold them to the roof.
Might even consider a few drops of silicon

Why no Ethernet or RS232 Serial data cable from that wonderful MS TS MPPT-60 controller? What about the voltage sense and temperature sense lines? Consider an upgrade, as in change the crude dip switch setting configuration to something proper, as in a computer interface with MSVIEW. Morningstar supplies upgrade firmware and loads of configuration possibilities all for free. That MPPT 60 might be the best of the best available today why not take full advantage of its capabilities?

Enjoy your new system

Ken


Retired and Loving Life


smkettner

Southern California

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Posted: 02/26/12 04:33pm Link  |  Quote  |  Print  |  Notify Moderator

shooted wrote:

Hi smkettner,
Is the battery box vented? It looks open to the compartment with the electronics and the big propane bottle. Maybe they are AGM? Your install looks great!


The oem vent tube is wedged in at the top right of the pic. Originally it went to the group 24 battery box. Compartment is not near sealed and actually has a big gap at the top and various cut out holes in the bottom. Those are 6 year old Costco GC2, no agm.

* This post was edited 02/26/12 08:38pm by smkettner *

pianotuna

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Posted: 02/26/12 04:33pm Link  |  Quote  |  Print  |  Notify Moderator

Hi smk,

It is a nice clean install.

It may be good to have more of an angle on the panels to allow them to drain off any moisture from rain. I believe 5% is the recommended minimum from level.

I don't understand the wiring on the battery bank as it does not appear to be balanced--at least to my tired eyes.

Is there a temperature sensor on the battery bank somewhere?

I'll be eager to hear about charging results.

The one thing I'm sure of is you will wonder why you didn't go solar sooner!


Regards, Don
Full Time in a Kustom Koach Class C 28'5", 256 watts Unisolar, 875 amp hours in two battery banks 12 volt batteries, 2500 MSW watt inverter.

smkettner

Southern California

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Posted: 02/26/12 04:42pm Link  |  Quote  |  Print  |  Notify Moderator

KJINTF, I do not plan to drag the data cable indoors. I intend to use only the monitor shown

Yes I have the temp sensor but with mild temps it is not on yet. Should have it on before summer. The strain relief for the ground wire has a second hole where the wire will come through.

I have strong doubts I need the sense wires since it is installed so close. If it is off by .1v it will not be an issue.

I do need to change the charge settings. I will temporarily attach the cat-5 and once set forget about it.

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