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SVTPerformance's Chain of Restaurants
Road Side Pub
A/C Techs - Step in - Mini Split ?
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<blockquote data-quote="bigmoose" data-source="post: 16451576" data-attributes="member: 64149"><p>So i installed my own 3 head LG brand mini split about 4 years ago. I ran and flared my own line sets. I pressure tested and ran a vacuum to evacuate the line sets prior opening the condenser service valves (condenser came pre-charged). System has been operating great so i think its safe to say i don't have any leaks and my flares were pretty good.</p><p></p><p>My outdoor unit supports 4 heads and i want to add this 4th head to a specific bedroom. The line length and elevation change is all within the manufacturer specs.</p><p></p><p>The question I have is in regards to evacuating the new line set. I assume I'll need to have a pro come out and do a full evacuation of the system to capture the existing R410A and recharge? I don't believe i can just close the service valves (isolating line sets from condenser) and evacuate the line sets myself. I'm assuming R410A is a gas at ambient temp so some portion of the charge stays in the line set?</p></blockquote><p></p>
[QUOTE="bigmoose, post: 16451576, member: 64149"] So i installed my own 3 head LG brand mini split about 4 years ago. I ran and flared my own line sets. I pressure tested and ran a vacuum to evacuate the line sets prior opening the condenser service valves (condenser came pre-charged). System has been operating great so i think its safe to say i don't have any leaks and my flares were pretty good. My outdoor unit supports 4 heads and i want to add this 4th head to a specific bedroom. The line length and elevation change is all within the manufacturer specs. The question I have is in regards to evacuating the new line set. I assume I'll need to have a pro come out and do a full evacuation of the system to capture the existing R410A and recharge? I don't believe i can just close the service valves (isolating line sets from condenser) and evacuate the line sets myself. I'm assuming R410A is a gas at ambient temp so some portion of the charge stays in the line set? [/QUOTE]
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SVTPerformance's Chain of Restaurants
Road Side Pub
A/C Techs - Step in - Mini Split ?
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