A heat-emitting unit for the heating of room air; it has a heating element surrounded by a cabinet-type enclosure with openings below and above for entrance and egress of air.
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ALKALINE BOIL-OUT
Employed to remove oil and grease deposits from heating surfaces.
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ANNEAL
To soften by heating and allowing to cool slowly.
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ISO SOLID CONTAMINANT CODE (ISO 4406)
A code assigned on the basis of the number of particles per unit volume greater than 5 and 15 micrometers in size. Range numbers identify each increment in the particle population throughout the spectrum of levels.
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REMOTE REFRIGERATING SYSTEM
Refrigerating system in which condensing unit is away from space to be cooled.
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BUBBLE POINT
The differential gas pressure at which the first steady stream of gas bubbles is emitted from a wetted filter element under specified test conditions.
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ACTION
Refers to the action of a controller. It defines what is done to regulate the final control element to effect control.
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FILTER ELEMENT
The porous device that performs the actual process of filtration. Also known as Cartridge
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DISPOSABLE
An element intended to be discarded and replaced after one service cycle.
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BRIDGING
A condition of filter element loading in which contaminant spans the space between adjacent sections of a filter element, thus blocking a portion of the useful filtration.
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AIR CONDITIONER
A refrigeration device cooling or heating air.
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