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ChristophC

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  1. Hi everyone, sharing a bit of a disaster story with you. I’m hoping someone will be able to point out what went wrong. BACKGROUND NuAire mrxbox-eco3 fan (right hand side) was replaced due to constant knocking noises. Pulled the metal cover, styrofoam, and removed the two cables leading to the fan motor (1 grey, 1 black). Installed the replacement fan and wired in the two cables. When turned on, the vents in the flat are operating in reverse e.g. wet rooms and kitchen supplying air instead of extracting and bedrooms are extracting instead of supplying air. Prior to the install of the fan, the vents were flowing in the correct direction - no changes were made to the duct works. Since the wet rooms (shower) is supplying air instead of extracting, the humidity sensor is not triggering the boost. Any ideas on what went wrong? Attaching photos and link to high def photos in my google photo album of the current wiring. https://photos.app.goo.gl/xr3SwCSqRKdY5f5u8
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