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New 410 system. Yes both suctions are 1-3/8. Install is this weekend. I ordered 5/8 for both systems.
Could it be a mistake in the spec. Is the suction also 1-3/8" for both? It doesn't make sense either way. It is possible that they are concerned about the velocity and proper oil return. I have a piping chart which is in Excel format. I will try to convert it and upload next post. If you want I can email it maybe.
5/8 will be fine tho
Weird.. Im currently doin 3 10ton carriers, and according to there sizing chart they want 1/2" which to me seemed small, but i talked to carrier and they said 1/2, so i went with it. Im assuming this is 410
I think I'm going to just run 5/8 on both systems. Total line length is maybe 30'... Sent from my iPhone using Tapatalk
New install question.. We're installing 2 new Trane split heat pumps. Twe090d 7-1/2 and twe120d 10 ton with matching indoor ahu's. I'm reading the install manual and noticed that Trane recommends 5/8 liquid for the 7-1/2 and 1/2" for the 10 ton. I can't see why they'd want a larger liquid line on the smaller capacity unit. Any thoughts??? TIA Fitz Sent from my iPhone using Tapatalk
New install question..
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