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G—fan (e.g., furnace or fan coil); Y1—first stage cooling; Y2—second stage cooling; O/B—heat pump reversing valve (not used if only an AC unit); D1/HUM—(a) when software configured as HUM will control humidifier (if present) or (b) when software configured (D1) as a dr...
If that control is not enough, then thermal power of electric arcs is reduced.;EFFECT: quick and reliable implementation of an existing operating mode for processes in an electric-arc furnace.;12 cl, 1 dwgDITTMER B'ERN DEDEBBELER ARNO DE...