For sale: Home Inegration system
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Loveland, Colorado 4100+ship. If front range of Colo. I'll deliver.
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That document shows the 4 KW just like what they sent me.
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Did you sell your home integration system? If not, would be interested. Just got my truck, still waiting on pro charger and an estimate for install in both ...not sure I want to spend so much for this and install, but anyone have this done and what was your install costs?
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375 Posts
I have done this, I did the install myself, still cost a fair amount in wiring, and isn't as streamlined as they make it sound. It was with it for me as I added solar at the same time and used this as my inverter, if you aren't adding solar I'd stay away from this system and add in a transfer switch system, similar to what you would do for a temp standby generator. More like 5-600 in parts, and you could also use a gas generator if you get rid of/ want to drive the truck.
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I already have solar, so thanks for your advice and insight. Sunrun is not in may ate a so gonna get with local solar electrician....maybe do a switch you mentioned or change our my current inverter???? I think I would need bigger since want to add more panels. I currently have 30 (9.2kw I think)
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375 Posts
You need to get with your solar professional/electrician, as you are getting into interesting territory.
One of the advantages of the home integration system (HIS) is that you can continue to use solar during a power outage (you can't without batteries otherwise), and you can also add LG Chem batteries to it to have back-up besides the truck. This requires what Delta(inverter manufacturer) calls a Microgrid Integration Device, which essentially disconnects your house from the grid in a power outage.
You can get an inverter with the HIS up to 10 kW (which is what I have), it doesn't cost anymore, but you can start running into code/compatibility issues with the sizing on your main, you aren't allowed to have potential to feed it with more than 120% of bus rating. (so if you have a 200A service, you have the 200A main breaker (or you would on a new install), and then you would be limited to adding a 40A breaker to back-feed solar, which limits you to 7680W. They now make solar ready mains, with a 225A rated bus, that allow you to go up a bit from here, but unless you have a 400A service you are nearing the limit.
I think you could add the 4kW BDI (bi-directional inverter that comes with the HIS), which still requires a 50A breaker but can only feed 4 kW solar (will feed full 9.6 kW in outage), to possibly get around this, depending on your local AHJ. In either case, there will be some legwork involved with making sure the two inverters are able to play nice, you might need to make sure your existing inverter is tied in before your MID device so it doesn't back-feed in an emergency power situation.
There isn't a lot of technical support available for this system.
One of the advantages of the home integration system (HIS) is that you can continue to use solar during a power outage (you can't without batteries otherwise), and you can also add LG Chem batteries to it to have back-up besides the truck. This requires what Delta(inverter manufacturer) calls a Microgrid Integration Device, which essentially disconnects your house from the grid in a power outage.
You can get an inverter with the HIS up to 10 kW (which is what I have), it doesn't cost anymore, but you can start running into code/compatibility issues with the sizing on your main, you aren't allowed to have potential to feed it with more than 120% of bus rating. (so if you have a 200A service, you have the 200A main breaker (or you would on a new install), and then you would be limited to adding a 40A breaker to back-feed solar, which limits you to 7680W. They now make solar ready mains, with a 225A rated bus, that allow you to go up a bit from here, but unless you have a 400A service you are nearing the limit.
I think you could add the 4kW BDI (bi-directional inverter that comes with the HIS), which still requires a 50A breaker but can only feed 4 kW solar (will feed full 9.6 kW in outage), to possibly get around this, depending on your local AHJ. In either case, there will be some legwork involved with making sure the two inverters are able to play nice, you might need to make sure your existing inverter is tied in before your MID device so it doesn't back-feed in an emergency power situation.
There isn't a lot of technical support available for this system.
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375 Posts
You can make things much simpler by using pro-power on board instead, by setting up your system with a transfer switch for a portable generator like this:
www.reliancecontrols.com
or if only doing some loads:
www.reliancecontrols.com
using a 14-30 plug like this:
www.reliancecontrols.com
You will have to either get a gfci transfer switch that switches the neutral, or disconnect the ground between the power inlet box and the panel to avoid the bonded neutral issue. This will allow you to run off of either a portable generator or the 14-30 plug in your truck bed, and cost ~600 dollars vs. $4000 for the home integration system (not including wiring/install)
RelianceSitePortal
RelianceSitePortal
using a 14-30 plug like this:
RelianceSitePortal
You will have to either get a gfci transfer switch that switches the neutral, or disconnect the ground between the power inlet box and the panel to avoid the bonded neutral issue. This will allow you to run off of either a portable generator or the 14-30 plug in your truck bed, and cost ~600 dollars vs. $4000 for the home integration system (not including wiring/install)
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