Yokogawa ADMAG AXR Manual de usuario descargar pdf (Pagina 182)

<14. EXPLOSION PROTECTED TYPE INSTRUMENT>

14-5

IM 01E30D01-01EN

WARNING

IftheAXRismountedinanareawherethe

use of EPL Db equipment is required, it shall

be installed in such a way that the risk from

electrostatic discharges and propagating brush

dischargescausedbyrapidowofdustis

avoided.

(2) Electrical Connection

The type of electrical connection is stamped near

the electrical connection port according to the

following codes.

ISO M20x1.5 female M

ANSI 1/2NPT female N

F1401.ai

Screw Size Marking

(3) Installation

WARNING

• Groundingresistanceof100Ωorlessis

necessary.

When optional code A is selected, grounding

resistanceof10Ωorlessshallberequired.

• All wiring shall comply with local installation

requirements and local electrical code.

• In hazardous locations, the cable entry

devicesshallbeofacertiedIECEx

ameprooftype,suitablefortheconditionsof

use and correctly installed.

• Unused apertures shall be closed with

suitableameproofcertiedblanking

elements.(Theplugattachediscertiedas

theameproofandIP66orIP67asapartof

this apparatus.)

• In case of ANSI 1/2 NPT plug, ANSI

hexagonal wrench should be applied to

screw in.

The grounding terminals are located on the inside

and outside of the terminal area.

Connect the cable to grounding terminal in

accordance with wiring procedure 1) or 2).

F1404.ai

1) Internal grounding

terminal

2) External grounding

terminal

Figure 14.4.1 Wiring Procedure for Grounding

Terminals

(4) Operation

WARNING

• After de-energizing, delay 5 minutes before

opening.

• Take care not to generate mechanical

spark when access to the instrument and

peripheral devices in hazardous locations.

(5) Maintenance and Repair

WARNING

Electrostatic charge may cause an explosion

hazard.

Avoid any actions that cause the generation of

electrostatic charge, such as rubbing with a dry

cloth on coating face of product.

WARNING

Theinstrumentmodicationorpartsreplacement

by other than authorized representative of

Yokogawa Electric Corporation is prohibited and

willvoidthecertication.

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