Hochiki FirePro Xtinguish, Installation And Operation Manual

Page: 111 / 113

Page 111 of 113
FirePro Xtinguish I&O Manual V1.05 UL
21.11 - Density.
Design Application Density (g/m 3 ). Extinguishing application density, including a safety factor, required
for system design purposes.
21.12 - Discharge Port.
A passage such as nozzles or openings on an aerosol generator where aerosol is released when the
generator is actuated.
21.13 - Disconnect Switch.
A manually operated switch, electrically supervised and secured from unauthorized use, that prevents the
automatic or manual electrical activation of the aerosol generators during maintenance by electrically
opening the releasing circuit.
21.14 - Extinguishing Application Density (g/m
3
).
Minimum mass of a specific aerosol-forming compound per m
3
of enclosure volume required to
extinguish fire involving particular fuel under defined experimental conditions excluding any safety factor.
21.15 - Generator .
A device for creating a fire-extinguishing medium by pyrotechnical means.
21.16 - Generator Casing.
The surface of the generator, excluding the surface containing the discharge ports.
21.17 - Hold Time.
Period of time during which an extinguishant is required to maintain an even distribution throughout the
protected volume in an amount at least at the extinguishing application density.
21.18 - Hot work.
Work involving burning, welding, or similar operation that is capable of initiating fire or explosion. [51B,
2003]
21.19 - Inspection .
A visual examination of a system or portion thereof to verify that it appears to be in operating condition
and free of physical damage. [820, 2003]
21.20 - Listed
.
Equipment, materials, or services included in a list published by an organization that is acceptable to the
authority having jurisdiction and concerned with evaluation of products or services, that maintains
periodic inspection of production of listed equipment or materials or periodic evaluation of services, and
whose listing states that either the equipment, material, or service meets appropriate designated
standards or has been tested and found suitable for a specified purpose.
21.21 - Maintenance .
Work performed to ensure that equipment operates as directed by the manufacturer.
21.22 - Manual .
Requiring intentional intervention to accomplish a function.
21.23 - Normally Occupied.
An area or space where, under normal circumstances, persons are present.