Instruction Manual

xiv

IM 11B08A01-01E

 Installation site and environment

The analyzer speciﬁ cations allow it to be used in hazardous areas as deﬁ ned by DIV1, GPS B, C

& D, T1, T2, T3, T4 (FM) or Zone 1 IIB + H2T1, T2, T3, T4 (ATEX, IECEx, 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 ATEX or IECEx, see IEC 60079-10-1.

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

Electrical Equipment for Explosive Atmospheres (Japanese only).

 Wiring works

<FM>

WARNING

• All wiring shall comply with National Electric Code ANSI/NFP A 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 ﬂ ameproof-

certiﬁ 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.

<ATEX, IECEx>

WARNING

• All wiring shall comply with Local Electric Codes and Requirements.

• In a hazardous area, use appropriate ﬂ ameproof-certiﬁ ed parts for connecting cables.

• All externally powered input signals into the pressurized enclosure shall be isolated by