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Old 01-22-2009, 06:15 PM   #1
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DIY mini splits


Despite the complexity of the HVAC discipline, I would like to undertake my own line set connection on the mini-split units I'm putting in on an incremental basis at my house. I currently live in my house, and I intend to move the units on a fairly regular basis as the renovation and home addition progress. At this point, I have my TIF XP-1A refrigerant detector, an R410a Ritchie Yellow Jacket manifold gauge kit with hoses, and my 45o flaring tool. I guess I still need a vacuum pump and a nitrogen tank. I suppose I'll need recapture equipment (and a certification) if I decide to go shorter than a 25' line set. I still don't get why I'm killing the planet if I release excess HFCs from my pre-charged condenser, but I respect the 25K fine. Any equipment recommendations? What else am I missing?

I'll be going over the section 608 manual and an HVAC training manual for the next few days. My interest is really limited to split system installation for now. I don't expect to become an HVAC professional overnight, but I would like to be able to install and maintain mini split units. Can anyone recommend any learning resources that address the finer points of mini split installation? My LG installation manual must have been written by a non-native English speaker.

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Old 01-23-2009, 08:44 AM   #2
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DIY mini splits


So, I guess I need a micron gauge as well. What do you folks recommend? Is refco that bad for gauges? I feel pretty comfortable buying from Ritchie (Yellow Jacket). What about JB?

On a different note, I'll need to get my Type II certification for a mini split, correct?

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