Quote:
Originally Posted by fo4imtippin
I have installed a mini split at my house a few years ago. At the time, most of the HVAC forums and videos had their leaks at the flare connection. Seemed like solid advice was to use the flare that comes on the unit rather than the line set and reflare the ends. I used some sort of lubricant on the outside of the flare to help the nut bind against it.
I'm not really concerned about the line set vibrating as much as the flare ends vibrating. Those no kink still look to have a copper flare needed. I would just isolate the line set well and secure it from movement.
I'm not an HVAC guy nor have I even installed mine on my bus, but that's my take..
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My minisplit lines are in, solid copper. The condenser is on the 'rear porch' and I'm designing something to secure the two refrigerant lines so they cannot move with respect to the condenser, something about five or six inches from the flare connections.
The lines take a left turn behind the condenser, then enter the back of the bus after about five feet. I'm thinking if the flexing I may experience between the bus and the rear bumper extension is translated along the five feet of pipe instead of right at the joint I should be fine.