The International Association of Plumbing and Mechanical Officials has been protecting the public’s health and safety for ninety years by working in concert with government and industry to implement comprehensive plumbing and mechanical systems around the world.
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UMC Section 609.0 states that, "Air-moving systems supplying air in excess of 2,000 cubic feet per minute to enclosed spaces within buildings shall be equipped with an automatic shutoff." I have a small service area open to a main display area, (i.e. no enclosing walls) that is conditioned with two heat pumps, each has a separate duct supply and return air. Each heat pump supplies 1,100 cubic feet per minute supply air for a total 2,200 cubic feet per minute to the service area. Are smoke detectors required on each heat pump supply air duct?
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