Electrical Connections - Honeywell Series 3000 MkII Technical Manual

SERIES 3000 MKII TECHNICAL MANUAL

6. Electrical connections

Prior to installation refer to the transmitter control drawing 3000E3160 and remote sensor control drawing
3000E3157 shown in section 21.
Series 3000 MkII is designed for installation and use in Zone 1 or 2 or 21 or 22 hazardous
areas in Europe and Class I Division 1 or 2 and Class II Division 1 or 2 area applications in
Installation must be in accordance with the recognized standards of the appropriate
Access to the interior of the detector, when carrying out any work, must only be
Before carrying out any work ensure local regulations and site procedures are
followed. Appropriate standards must be followed to maintain the overall
To reduce risk of ignition of hazardous atmospheres, conduit runs must have a seal
To reduce the risk of ignition of hazardous atmosphere, de-classify the area or
disconnect the equipment from the supply circuit before opening the detector
enclosure. Keep assembly tightly closed during operation.
Never attempt to open a junction box / enclosure in potentially hazardous
The detector must be earthed / grounded for electrical safety and to limit the effects
of radio frequency interference. An earth / ground point is provided inside and
outside the unit. The internal grounding shall be used as the primary equipment
ground. The external terminal is only a supplemental bonding connection where
Take care when handling sensors as they may contain corrosive solutions.
Do not expose to temperatures outside the recommended range.
Do not expose sensor to organic solvents or flammable liquids.
At the end of their working life, sensors must be disposed of in an environmentally
safe manner. Disposal should be according to local waste management
Alternatively, sensors may be securely packaged and returned to
Honeywell Analytics clearly marked for environmental disposal.
North America.
authority in the country concerned.
Use copper wiring only.
conducted by trained personnel.
certification of the detector.
fitting connected within 18 inches of the enclosure.
local authorities permit or require such a connection.
Do not tamper or in any way disassemble the sensor.
requirements and environmental legislation.
Warnings
atmospheres.
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