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SERIES 3000 MKIII TECHNICAL MANUAL
5. Installation
Prior to installation refer to the transmitter control drawing 3000G3303 and remote sensor control
drawing 3000E3157 shown in section 21.
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Series 3000 MkIII is designed for intrinsically safe installation and use in Zone 0 or 1 or 2 or 20 or 21 or 22
hazardous areas in Europe, and hazardous locations Class I, Divisions 1 & 2, Groups A, B, C & D; Class
II, Divisions 1 & 2, Groups E, F & G application in North America.
Installation must be in accordance with the recognized standards of the appropriate authority in the
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country concerned.
Access to the interior of the detector, when carrying out any work, must only be conducted by trained
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personnel.
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Before carrying out any work ensure local regulations and site procedures are followed. Appropriate
standards must be followed to maintain the overall certification of the detector.
For intrinsically safe installation, to maintain intrinsic safety, the transmitter wiring must be routed
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through a galvanic isolator or zener diode barrier which meets the entity parameters indicated in the
control drawing 3000G3303. The selected barrier shall be approved with intrinsically safe circuits for
the hazardous location class and group as appropriate for the application. The cable capacitance plus
the transmitter capacitance (Ci) must be less than or equal to the Ca (or Co) on the barrier. The cable
inductance plus the transmitter inductance (Li) must be less than or equal to the La (or Lo) on the barrier.
The barrier must be located in the non-hazardous area.
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Barrier enclosure must meet requirements of ANSI/ISA S82 for use in non-hazardous or Class I, Division
2, Groups A,B,C and D hazardous locations. Use a UL listed or NRTL approved dust tight enclosure and
conduit fittings appropriate for environmental protection in Class II, Division 2, Groups F and G, and
Class III, hazardous locations.
To reduce risk of ignition of hazardous atmospheres, conduit runs must have a seal fitting connected
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within 18 inches of the enclosure.
To reduce the risk of ignition of hazardous atmosphere, de-classify the area or disconnect the equipment
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from the supply circuit before opening the detector enclosure. Keep assembly tightly closed during
operation.
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Never attempt to open a junction box / enclosure in potentially hazardous atmospheres.
The detector must be earthed / grounded for electrical safety and to limit the effects of radio frequency
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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 local authorities permit or require such a connection.
Take care when handling sensors as they may contain corrosive solutions.
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Do not tamper or in any way disassemble the sensor.
Do not expose to temperatures outside the recommended range.
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Do not expose sensor to organic solvents or flammable liquids.
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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 requirements and environmental legislation.
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Alternatively, sensors may be securely packaged and returned to Honeywell Analytics clearly marked for
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environmental disposal.
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Electrochemical cells should NOT be incinerated as they may emit toxic fumes.
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All cable entry devices and blanking elements shall be certified in type of explosion protection
flameproof enclosure "d", suitable for the conditions of use and correctly installed and have an ingress
protection rating of at least IP6X.
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Unused apertures shall be closed with suitable blanking elements.
WARNINGS
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MAN0917_Issue 6_08/2015
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