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Old 06-27-2015, 04:28 PM   #21
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New Flex Solar DIY Project

Nope. It's a self leveling sealant and not an adhesive sealant


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Old 06-27-2015, 04:41 PM   #22
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how about the 505uv?
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Old 06-28-2015, 06:31 PM   #23
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That would probably work but will need a longer cure time, as it is a single component silane terminated polymer rather than a polyurethane like the 221.


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Old 06-28-2015, 07:52 PM   #24
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Thanks for the reply Lew,
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Old 06-28-2015, 09:01 PM   #25
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OMG. It's done!

So, roughly two days and the solar project is done. The hubby (Ray) did most of the work with a little bit of assistance from a couple of friends. I did almost nothing (herniated disk precludes me from pretty much everything ). Oh, wait, I went on a wild goose chase in --did I say it was 100 freaking degree weather?-- to find the SikkaFlex 221. Drove a half an hour to the dealership, who confirmed they had it over the phone, only to be met with their chained up gate forty-five minutes before they were supposed to close!

So triple digit weather, perfect time for solar panel installation. The Airstream was like a sweat lodge. Hubby also sustained multiple blows about the head and upper body as he just can't seem to take my advice, "Be aware of your surroundings!" The tight quarters where the AS is parked is necessitating he wear a helmet just to walk around it. I mean, I put bright orange pool noodles on the the awning arms, and he STILL ran himself into them.

Everything seems to be working. There's more cleanup and a few details to tidy up tomorrow. We'll be going on an extended weekend trip not too far at a state park with primitive camp sites so I guess we'll get to see right away the fruits of our labor. Hopefully, there are enough fruits.
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Old 07-01-2015, 10:20 AM   #26
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We finished the install and everything is working, what a bonus! Here is our list of items that we installed:

2 x 100watt Renogy® 100W Monocrystalline Bendable panels
Solar Boost 2512iX-HV
IPN-ProRemote
Temperature Compensation Sensor
Shunt controller
On/off Switch
30 amp circuit breaker
controller box
SikaFlex 221

We also removed the super loud refrigerator fan and replaced it with the SilenX EFX-12-15 Effizio Silent 120mm fan.

I have to say the 3m VHB tape is amazing, you really have to place it right the first time because it's not coming off. We did go with a 6# awg wire from the combiner box to controller box. The 6# was a Pain to connect to the controller panel, we also ran our connections to the battery. WE had to drill another hole to run the 6#, 4#, and the temperature sensor to the battery. I've been monitoring the system for the past 2 days and it appears to be working great!

Thank you everyone for advise and help. I'll post some pictures ASAP.

Ray
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Old 07-26-2015, 06:23 PM   #27
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Ray,
I have been following your thread and considering doing the same thing. Can you give us an update on the performance of your system?
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Old 07-27-2015, 12:28 PM   #28
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Hi Greg,

Since the install we have taken our AS out twice, the first was a 5 day trip to Fremont State Indian Park over the 4th of July weekend and this past weekend for a 3 day trip to the Jordanelle State Park. Both trips we didn't have hookups and we ran everything from our 2 group 24 Interstate batteries and charged our batteries using the 2 solar panels. We had no issues what so ever, we have 3 kids, 4 if you include me and they watched a movie, listened to music and had the lights on, we also had the fans on nonstop since it was about 90 degrees the whole time. According to the IP Monitor the batteries never went below 90% charge, and by the time we were done eating breakfast we were right at 100%. We are very happy with the performance and look of the flexible panels, even is low sunlight or filtered sunlight they appear to work fine. I've included a few pictures that show where we installed them on the roof and where we pulled them down behind the microwave. I did drill 2 small holes in the roof instead of one large hole, the 2 holes with the rubber gourmets it perfectly in the combiner box slot. Along with the VHB tape, putty that came with the black combiner box (AM Solar) and Sikaflex 221 on everything to make sure it was waterproof. I also, replaced the noisy refrigerator fan with the SilenX EFX-12-15 Effizio Silent 120mm Case Fan. I would recommend this easy replacement for everyone who has experienced the Jet engine OEM fan that comes with the AS.







I'll try an get a better picture from above so you can see everything on the roof.

Ray
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Old 07-27-2015, 05:57 PM   #29
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Here are the images.









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Old 07-27-2015, 10:41 PM   #30
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Ray,

What were the conditions that gave you the 5.5 amp charge into your batteries? were you in bulk charging phase? What time of day was it?

I have reasons for these questions, which I will provide once I know the parameters under which the photo was taken.

Thanks!
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Old 07-28-2015, 07:53 AM   #31
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Hi Lew,

The picture was in the late afternoon and overcast and yes, it was in bulk charge mode. In full sunlight I've seen the reading as high as 10 amp with bulk charge. I've also noticed it as low as 1 amp with little to no sunlight. The charge controller appears to do a great job regulating the amps needed to keep the battery at or near 100% the entire time. On our last trip this past weekend we had the refrigerator on the entire time, along with the pump, lights, stereo, we also charged a iPhone, etc... The lowest that I saw the IPN battery monitor go to was 91%, but by 9am the next morning we were back up at 100%. We still have room on our roof for one more panel if needed, but at this point I don't see that we need it. Everything seems to be running and charging as planned.

Ray
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Old 07-28-2015, 03:16 PM   #32
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I usually see 21 or more amps from my setup on sunny days.
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Old 07-28-2015, 05:35 PM   #33
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I'm super jealous, with the two flexible panels that I have I think the max is about 11 or 12 amps total. What is your setup on 27'?

Ray
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Old 07-28-2015, 07:56 PM   #34
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Now THIS is POWER!!!!
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Old 07-28-2015, 08:06 PM   #35
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Ray,

Your charge is being limited by several factors that are apparent from your photo:

• there is shading on the panel in the foreground from the fan cover. This is a big voltage killer
• there is a dust/dirt covering on the panels. Keep them really clean if you want maximum output to your Blue Sky controller
• the solar cells are getting only a portion of the available solar radiance due to the materials used in their construction. Look carefully at the reflections of the roof A/C and fan cover on the panels' surface. Reflected light means lower solar radiance hitting the cells, which translates directly into lower panel output. YOu never see this type of reflection in a hard panel, as very low glare glass is used.

I have posted before that I have seen a 30-35% drop in the overall output from the system I have on the roof of my Sprinter service van. With hard panels, I would see 32-25 amps into the batteries on a regular basis.

After replacing them with Photo-Flex thin film panels (Grape Solar), the maximum I see is around 24 amps. That is a HUGE difference directly measured in the same system! Luckily, I have also replaced my Lifeline GPL-6CT AGM batteries with a 200 amp/hour lithium pack, which charge very quickly, so the decreased solar output from the thin film panels don't really effect my system.

The lower panel output is one of the reasons why I do not use the thin film panels on my installations.
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Old 07-28-2015, 09:09 PM   #36
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Lew,

Now you are just showing off! LOL

Ray
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Old 07-28-2015, 09:50 PM   #37
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Quote:
Originally Posted by RaymondFitz View Post
Lew,

Now you are just showing off! LOL

Ray
Nah!!!

Actually, that was from a HUGE solar array on a Winnebago 36' motor home with 1920 watts of solar (12 X 160 watt panels) and 3-40 amp Blue Sky solar charge controllers in parallel. He still has room to expand the system!!!!
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