New backplate for the AC to convert it to a dual hose setup, all parts printed over the last few days and now epoxying together. Thankfully did not have to design this myself, someone already did and shared 👍😊 https://www.thingiverse.com/thing:5421906
Just hope it really fits 😅
@blindcoder Not a stupid question at all! This article sums it up better than I ever could: https://www.woolie.co.uk/article/convert-ac-from-single-hose-to-dual-hose/
But to give a quick tldr, single hose units use inside air for the heat exchange and then pump it outside. That creates a pressure differential in the room that causes hot air from outside of it to be sucked into it. Dual hose setups separate the outside air loop from the inside air loop, which increases efficiency by a lot.
@foosel @blindcoder did this kind of mod 2 years ago (with plywood and duct tape on the AC, hoses up converted to 150mm, 2 airduct silencers and a 50W support ductfan, including a full size "window replacement" from polyresin fibre)
still working great.
against the hot outlet and 35 degrees inlet, stone fibre/whool with aluminum coating helps a lot better than any household fabrics.
@foosel Wow, that's some new information to keep in mind, thank you!
Seems my unit can not be converted non-destructively as the entire backplate (including the control panel) is a single piece. Next time I buy one I'll definately check if it's convertible, or comes with two hoses from the start!
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