Direct-Fired Industrial Air Handlers - 4000 Series
The RAPID® 4000-Series is a customizable ultra-efficient direct-fired heating, cooling and pressurization system. Available from 5,000-150,000 CFM.
RAPID® 4000-Series are extremely durable and long-lasting, creating Rapid’s reputation for industrial-grade quality and long lifespan. Constructed with an external skin welded to an internal welded structural steel framework, energy efficient airfoil fans and heavy-duty fan bearings with an ABMA L-10 rated life of 100,000 hours, energy efficient & low maintenance direct-fired burner and manifold.
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All models and air styles are available in upright and horizontal as well as indoor and outdoor configurations.
Suspended (Wall or Roof Inlet)
Horizontal on Legs (Indoor or Outdoor)
OA = Outside Air, DA = Discharge Air, RA = Return Air
The units are available in four different air styles- MUA (100% outside air with a fixed discharge air volume), FR (fixed 80% return air / 20% outside air with a fixed discharge air volume), AM (modulating return air / outside air with a fixed discharge air volume) and VAV (100% outside air with a variable discharge air volume). These four different air styles, along with the availability of evaporative cooling, mechanical cooling, post-cooling reheat and a wide variety of accessories, make these units extremely flexible and able to meet a wide variety of heating and cooling needs.