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TI 11B08A01-01E

l Protection gas (instrumental air) pipe

This is the pipe for supplying air to the analyzer for purging pressurized enclosures.

Anairpressureof350to900kPa(500to900kPaforFPD)isrequired.Usegeneralinstrument

air as the source and connect the piping to the analyzer PURGE AIR port. A pressure regulator

should be installed in-between.

l Installation site and environment

TheanalyzerspecicationsallowittobeusedinhazardousareasasdenedbyDIV1,GPSB,

C&D,T1,T2,T3,T4(FM,CSA)orZone1IIB+H2T1,T2,T3,T4(ATEX,IECEx,NEPSI,TIIS).

However, never install the analyzer in an area where dense explosive gas exists for a long time.

For the class of hazardous areas:

For FM, refer to Article 500 of the National Electrical Code (NEC).

For CSA, refer to Section 18 of CSA C22.1, Canadian Electrical Code (CEC).

ForATEXorIECEx,seeIEC/EN60079-10-1.

For NEPSI, see GB 3836.14.

For TIIS explosion protection, refertoArticle1(15)to(17)oftheConstructionalRequirementsfor

ElectricalEquipmentforExplosiveAtmospheres(Japaneseonly).

l Wiring works

<FM>

WARNING

• All wiring shall comply with National Electric Code ANSI/NFPA 70 and Local Electric Codes.

• In a hazardous area, use conduits for wiring in the protection system or to electronics

sections.

CAUTION

• Theunusedelectricalconnectionportsshouldbeclosedwithanappropriateameproof-

certiedplug.

• Analyzers have pressurized enclosures. The cable end should be sealed in order to

maintain pressure to the pressurized enclosure. Otherwise, power is not supplied to the

electronics section.

<CSA>

WARNING

• All wiring shall comply with Canadian Electric Code CSA C22.1 and Local Electric Codes.

• In a hazardous area, use conduits for wiring in the protection system or to electronics

sections.

Sep. 07, 2017-00

YOKOGAWA GC8000 User Manual

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