Solar Panel Installation - Should you DIY? (Rails, Roof Hooks, Panels, etc.)

Off-Grid... Is this enough? This is a solar panel array made up of 24 x 550w solar panels. There are three strings each made up of 8 solar panels connected in series. Each string of 8 panels is connected to it's own MPPT solar charge controller input on a ‪@sunsynk‬ 10kW Single Phase Hybrid Inverter.
Installing solar panel brackets on a tiled roof using stainless steel heavy duty roof hooks.
This video is not a step-by-step 'how to' guide, but rather a few video clips of 'how-it-happened'.
⭐️⭐️⭐️ Always follow your local building / electrical code for these types of installations. This work should be carried out by a registered Electrician / Solar installer ⭐️⭐️⭐️
Tools that may be needed:
MC4 Crimping tool amzn.to/4ehMhik (Seems to have good reviews)
Dewalt Impact Driver amzn.to/4aSYcQP
Gedore Torque Wrench amzn.to/4eiB7tV
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S07E10

[@timcat1004]

Where I live I staggered the contact points at the trusses. This distributes the snow load across all the trusses. I had do double every second rail with the flashing kits. That way every end has support for my high winds. my system is 10 years old now.

[@adityabaradia3675]

Wow 🔥 very nice installation 🔥

[@GrantBurton]

Hi Aditya, thanks very much.

[@dominikrak72]

Good job, thanks

[@GrantBurton]

Thanks very much.

[@tonyfrewin4822]

Nice job

[@GrantBurton]

Thanks very much

[@christosathanasiou6265]

Thanks

[@GrantBurton]

You're welcome 👍

[@RichardSteigmann]

Good job. But the rivets are not necessary from my point of view 😊

[@GrantBurton]

Hi Richard, thanks very much 😊 For the small additional cost and very little extra effort of putting the rivets in, I thought it would be worth having the extra strength across the joint.

[@bailey125]

Might be worth putting some bird protection on them

[@GrantBurton]

Thanks for the suggestion… I’ll keep an eye on it and it if becomes a problem over time, will have a look at a possible solution.

[@gregorysheares6514]

Hi Grant, nice video on the whole process, can I ask you what mounting kit you used and where you bought from.

[@GrantBurton]

Hi Gregory, thanks very much. I used Photon 3 slot mounting rails and clamps, and the roof hooks are K2 Systems Vario 2. You should be able to get them from most solar supply stores.

[@coffee_gaming]

I don't know enough however a voice in my head is shouting to add sealant and perhaps expanding foam to prevent a leak when it rains.

[@GrantBurton]

Hi, thanks for the comment. I don't think it will be a problem where the mounting points are underneath the panels as the only way for water to get in would be if it's pushed back by driving rain and wind... and they are pretty well protected under the panels. As time goes by, I'll monitor the mounting points that aren't underneath the panels and if there are leaks, address them... however I think this is the generally accepted method of installation + the K2 systems mounting videos also show it done this way so let's hope it will be good.

[@cianb2]

You went to a lot of effort to put all the conduit in place but your last red cable is sitting directly on the roof tile. You can buy panel clips to keep the wires off the tiles and attached to the panel frame

[@GrantBurton]

Hi Cian, thanks for the tip, I'll look into sorting that out.

[@houcineamaidi499]

good job i can give you advice or not

[@GrantBurton]

Thanks very much. Yeah, go ahead and share what advice you know so we can all learn 👍

[@amishlalla]

How are you going to clean those panels?

[@GrantBurton]

Probably just wash them off using a hose pipe and clean water... maybe also use a soft bristle broom if needed.

[@hein_mcleod]

A bit of dirt on the panels is really not an issue. If you have a 50kW array then it makes sense to clean them for the 0.5 to 1% gain.

[@GrantBurton]

@@hein_mcleod I might inspect them once every 6 months or so… give them a rinse if needed but not expecting them to get super dirty around here.

[@solar_grid]

Where is video of your battery ??

[@GrantBurton]

Hi Franck, I don't have any video of my battery as it is from a time long before I had any thoughts of making these solar related videos, but if I build a new battery, I'll probably make a video of that. Andy from the Off-Grid Garage channel (@OffGridGarageAustralia) has some nice battery build videos if you are looking for something right now.

[@solar_grid]

@@GrantBurton What brand of battery do you have?

[@familyoffourdisneydreaming6081]

You have to ground the rails in SA? You are a strange bunch of blokes

[@GrantBurton]

Haha, yes.