Thank you for your support.
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Why would you replace the wires?
You just have to crimp MC4 connectors to the wires that are now connected directly to the terminals.
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True (why i purchased the TR Model so i didnât have too) on two i could but the third unit would be difficult hope that one doesnât fail.
The main advantage for me ( with just wires) is where and how the wires are routed and where the MPPTâs are, currently i have small holes going through varies walls when i fit my next RS450/100 the holes will have to be much bigger.
Its an inconvenient but not a problem, thank you both for the great support 
Those photos were taken from official Victron product page. They are exact what I have for SmartMPPT RS 450/200
I was also impressed to get TR version because of 16 vs 18 A current in datasheet. But there is no difference in firmwares, and my dealer was unable to find TR version in stock/EU warehouse.
So I double-checked my PV arrays and found 16A is plenty anyway.
For the DC surge/fuse board - it is interesting one.
Also, @mvader mentioned this device needs external DC disconnects in order to protect you when you connect/disconnect PV array. We found large sparks when disconnecting PV,.even when software disabled MPPT
Overall - Iâm happy with the device.
You may see it in action
Hi @guystewart
Iâve got the bulletin from the dealer. It was very helpful.
Although, there was not much info in it that youâve already told us.
Additional question:
It will be the possibility of the user to perform some âhardware upgradeâ by some buy-back action?
Because, there was, in some degree, an admission from Victron that the design was flawed. Quote:
âWe have temporarily stopped the production of all RS equipment while the design is adjusted.â
I appreciate that only the one that doesnât work doesnât make mistakes, but in the same time I have the desire to get the latest, improved, design.
Thanks again!
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Iâm not sure the details of the design changes yet, I donât have any reason to believe it is retrofit though.
This isnât a recall, and as long as the updated installation guidelines in the manual are followed existing models are expected to perform for their normal life without issues.
Itâs normal for us to incrementally improve our hardware designs normally over time, rarely are replacements escalated beyond the normal RMA process that is used for a specific unit that has an issue.
I will continue to be running my personal units as is as well.
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