Spec: E0012 duct interface on one DN 75 bore - #344
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ADR-0032 d8 with alternatives K and L. Bore 71.2, fan opening 64, flange 110 / 96 / 4 × M4, SL1 gasket, T7 30 Pa, M7-M9, V10, V11, O-130. Development sources in project/mechanical, unidentified. Signed-off-by: IIchukissII <133657307+IIchukissII@users.noreply.github.com>
Rth 0.175 K/W at 56 m³/h and 0.225 K/W at 46 m³/h; the 24 V aggregate's own fan misses SP0008 and neither figure reaches T3. Shutoff 105 Pa. Signed-off-by: IIchukissII <133657307+IIchukissII@users.noreply.github.com>
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ADR-0032 d8: the tract air path is commodity DN 75 tube and printed flanged parts on one interface bore, set by the exchanger face rather than by the fan. Alternatives K and L reject a fan-sized bore and a drawn housing per tract.
E0012 gains the interface in §5, requirements M7-M9, a pressure budget T7 of 30 Pa with its computed terms, verifications V10 and V11, and open item O-130. The duct parts DA1, DT1, FC1, IT1, PL1 and SL1 carry no identifier while the combination iterates; their sources sit in project/mechanical, licensed CERN-OHL-S.
E0011 M9 binds the humidity tract to the same bore and flange.
Second commit: the Fischer LA 6/150 catalogue figures are 0.175 K/W at 56 m³/h and 0.225 K/W at 46 m³/h, so the 24 V aggregate's own fan misses SP0008 and no catalogue figure reaches T3 before spreading. Recorded in O-112 and the SP0007 registry note. The fan's shutoff reads 105 Pa from its curve.