I wanted to get some opinions here before talking to the installer that's coming out later this week for a quote. I'd like to have some ideas to bounce off him.
My situation is that I'm building a recording studio that will have independent walls for soundproofing purposes. I plan to install a Mitsubishi minisplit in the studio and the outdoor unit at the other end of the building (detached garage), about 40' away. So there's an inner wall and an outer wall.
Typically, to avoid trashing your soundproofing, you would not just run a hole straight through the wall. It's better to offset the holes by a few feet at least and seal each one. I know it's a bad idea to make lineset connections buried in a wall. I also understand that most minisplits have a short section of lineset that you can straighten out and run through the wall (right piping, typically used) or you can leave it as and make the connection right there (left piping). So I'm thinking the left piping is the way to go.
The main issue is that the lineset will have to make a 180deg turn right there at the point of connection. The unit's lineset runs left and the 40' extension would run right. What's the best option here? I was thinking maybe a pair of 90deg flare fittings would work -- if such a thing exists. Maybe both simply need to be bent at right angles, but that seems like a tight spot for a connection with wrenches, etc. I'm just concerned about kinking or possibly needing to pull the unit down the road. Once the walls are done it will be pretty much impossible to get in there without tearing things up.
My situation is that I'm building a recording studio that will have independent walls for soundproofing purposes. I plan to install a Mitsubishi minisplit in the studio and the outdoor unit at the other end of the building (detached garage), about 40' away. So there's an inner wall and an outer wall.
Typically, to avoid trashing your soundproofing, you would not just run a hole straight through the wall. It's better to offset the holes by a few feet at least and seal each one. I know it's a bad idea to make lineset connections buried in a wall. I also understand that most minisplits have a short section of lineset that you can straighten out and run through the wall (right piping, typically used) or you can leave it as and make the connection right there (left piping). So I'm thinking the left piping is the way to go.
The main issue is that the lineset will have to make a 180deg turn right there at the point of connection. The unit's lineset runs left and the 40' extension would run right. What's the best option here? I was thinking maybe a pair of 90deg flare fittings would work -- if such a thing exists. Maybe both simply need to be bent at right angles, but that seems like a tight spot for a connection with wrenches, etc. I'm just concerned about kinking or possibly needing to pull the unit down the road. Once the walls are done it will be pretty much impossible to get in there without tearing things up.
source https://hvac-talk.com/vbb/threads/2235468-Avoiding-lineset-connections-inside-wall?goto=newpost
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