Newb here so be gentle. Was a fabricator for several years and a big computer nerd the last 20 so hopefully I have the foundation to make this thing work.
I received my XR last week and am finishing up my electrical and air install this weekend. So I am almost at the point I am going to start putting the XR together. I have been reading these forums diligently for the last 3 weeks and have made several adjustments to my install plans 
Cutter is Hypertherm 65 Sync. Ingersol Rand 80 gallon 15CFM compressor. Ingersol Rand air dryer because a common issue I see getting brought up was dry air. So I just went ahead and bit the bullet. So I will have a good dry air supply. Have a regulator/filter at the compressor and then a regulator/double filter after the dryer right at the table.
Shop is unheated but I do have a heated office so I am putting a couple 55 gallon barrels in the heated office and piping the drain over to the barrels. On nights it will get cold or if the table will be unused for a bit I can just pump it over to the barrels and back into the table fairly easy. Have a 5 gallon bucket of the Plasma Green 9010 to treat 100 gallons of water so I will have extra fluid to keep the table topped off for a while.
Any last minute advice you Crossfire gurus might offer for the install? I am looking for the problem preventing things I might do up front that might not be covered in the manual. Do I need a separate earth ground to the table with a grounding rod? I know a lot of issues are caused by improper grounds between the plasma cutter and work piece. Is there any special care I need to take in grounding the Fire Control box? I know there are some RF filters you put into the USB cables as part of the setup. Do you need/want a UPS at the table or will it cause inference?
I guess I am looking for the little “fixes” you guys have found. Or operating procedures you have found that make the table work smooth. Is there a warm up procedure you do that just makes everything run smoother?
Sorry just rambling, just really looking for any last minute advice or tips before I get started doing my build/install.
Hutch in Oklahoma
Welcome Hutch!
While I can’t comment directly to the XR, what I can relates the the unit in general.
While I don’t believe you need an additional grounding rod, if it’s an option it wouldn’t hurt. RF interference is a known issue, and I suspect additional grounding wouldn’t hurt.
The big issue is the following - the control box must be isolated from the table. Check the ground shield for the USB connector against the table frame. If not an open circuit, check / find where continuity is occuring and isolate.
Work grounding - If possible, always connect the work piece to the clamp. (It’s not a ground, but many refer to it as one.) Connecting to the table, expecting the table to make the connection can be hit or miss.
I have not needed RF filters, but some have. Your mileage may vary. Run a few test cuts (simple and small) to see how your setup works.
The Sync is a great unit and capable of great cuts. Sounds like you have filtration and cooling covered, but again, check afer a few cuts.
There’s a wealth of information here, so don’t be afraid to ask.
Fabricating in OK? I spent a few years outside of Tulsa doing that…
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Thanks for the reply Sims. Spent some time in Tulsa with a girlfriend but never worked there. I am south of OKC near Purcell now. I was in OKC when I was working in fabrication. It was actually a R&D/build shop department for a starter/alternator re-manufacturer. All of their testing equipment and machines were built in house. The CAD was done by the engineering department, tooling sent out to an affiliated machine shop, when it was done the tooling and blue prints were sent to me to build the machine. When I started there we were just switching over from relay logic controls to PLC controls. When I quit working there we were switching over to CNC controlled machines LOL Yep I telling my age now 
Been running an ecommerce website for the last 23 years selling medical equipment but Amazon/Walmart is pushing all the little websites out of business just like they did the mom & pop stores on main street. So, I am going back to the other thing I know how to do well. (I have some catching up to do but I think I have the foundation to make it work). Again, thanks for the reply. Hutch in Oklahoma.
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I agree with everything Terrance said. I have not had to do any of the grounding. I have a Hypertherm 45XP. Hypertherm tends to be less susceptible to EMI but I have had some potential issues recently. I am strictly hobbyist so if it takes me an extra day to cut out a part, it is not a big deal. Since Hypertherm is the one that recommends the grounding of the table, I would not be wise to go against their advice.
I went to OSU for 3 years. My wife is from Tecumseh. Crossroads Mall was the first real mall I ever saw. It was amazing. I heard it closed quite some time ago.
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Jim
We must be about the same age…Crossroads was my first mall too LOL About 1980’ish. Yes it closed down a few years back. Gangs decided it was a fun place to hang out and customers slowed down. Eventually it died.
I actually live pretty close to Tecumseh. I put Purcell in previous post because I figured maybe someone might recognize it LOL But my place is actually about halfway between Purcell & Tecumseh out in the sticks…right next to the Lexington wildlife management area.
Hutch in Oklahoma