Each air-handling system comprised two AHUs, one for supply and one for extract. They are arranged in a horseshoe shape, with an inlet filter plenum connecting them. A central corridor between the units provides access.
When installed, the plan size of the systems ranged from 5 x 5 m to 12 x 10 m, with a typical air volume of 13.5 m3/s.
Features include an inertial separator for filtering the dust-laden fresh-air supply, 75 mm double-skinned panels, plenum plug fans, electric heating coils, run-around coils for heat recovery, sound attenuation for supply and extract, complete internal piping and prewired controls panel.
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