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Explosion Proof HVAC

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msradell

Mechanical
Joined
Oct 16, 2003
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1
Location
US
What vendors do you have experience with for Mid-Sized (15-20 ton) Roof Top package HVAC units that meet NEC Class 1 - Div 2 rating. I need to upgrade 3 units and my experience is only with small wall mounted package units.

Thanks for the help!
 
Isn't there some way to remote-drive the equipment so that the motors and controls are not in a C1/D2 zone? Is there some sort of belt-drive and air-control logic that could work? Not my area, but such approaches might qualify as intrinsically safe.

Don
 
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