Emerson FloBoss 107, Инструкция по эксплуатации

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FloBoss 107 Instruction Manual
2-4 Installation and Use Revised June-2017
2.1.3 Compliance with Hazardous Area Standards
The FB107 has approval for Class I Division 2 Groups A, B, C and D.
Class , Division , and Group are defined as:

Class defines the general nature of the hazardous material in the
surrounding atmosphere. Class I is for locations where flammable
gases or vapors may be present in the air in quantities sufficient to
produce explosive or ignitable mixtures.

Division defines the probability of hazardous material being present
in an ignitable concentration in the surrounding atmosphere. Division
1 locations are presumed to be hazardous. Division 2 locations are
areas where gas, dust, or vapors can exist under abnormal conditions.

Group defines the hazardous material in the surrounding atmosphere.
Groups A to D are defined as follows:
o
Group A – Atmosphere containing acetylene, gases or vapors of
equivalent hazards.
o
Group B – Atmosphere containing hydrogen, gases, or vapors of
equivalent hazards.
o
Group C – Atmosphere containing ethylene, gases, or vapors of
equivalent hazards.
o
Group D – Atmosphere containing propane, gases, or vapors of
equivalent hazards.
For the FB107 to be approved for hazardous locations, it must be installed
according to the National Electrical Code (NEC) Article 501, and any
local code requirements, if applicable.
Caution
When installing units in a hazardous area, make sure all installation
components selected are labeled for use in such areas. Installation
and maintenance must be performed only when the area is known to
be non-hazardous. Installation in a hazardous area could result in
personal injury or property damage.
2.1.4 Power Installation Requirements
Typical sources of primary power for FB107 installations are dc voltage
sources and solar power. Take care to route power away from hazardous
areas, sensitive monitoring devices, and radio equipment. Local and
company codes generally provide guidelines for power installations.
Rigorously follow all local and National Electrical Code (NEC)
requirements for power installations.