Yokogawa RotaMASS 3-Series Uživatelský manuál stáhnout pdf (Strana 6)

IM 01R04B08-00E-E 1st edition February 15, 2012 -00

<1. INTRODUCTION>

1-2

 Protectivegroundingterminal

Functional grounding terminal

(This terminal should not be used as a pro-

tectivegroundingterminal.)

Alternatingcurrent

Direct current

1.1 Using the Coriolis

Flowmeter Safely

WARNING

(1) Installation

•InstallationoftheCoriolisowmetermustbe

performed by expert engineer or skilled person-

nel.Nooperatorshallbepermittedtoperform

procedures relating to installation.

•TheCoriolisowmeterisaheavyinstrument.

Be careful that no damage is caused to person-

nel through accidentally dropping it, or by exert-

ingexcessiveforceontheCoriolisowmeter.

WhenmovingtheCoriolisowmeter,always

useatrolleyandhaveatleasttwopeoplecarry

it.

•WhentheCoriolisowmeterisprocessinghot

uids, the instrument itself may become

extremely hot. Take sufficient care not to get

burnt.

•Wheretheuidbeingprocessedisatoxic

substance,avoidcontactwiththeuidand

avoidinhalinganyresidualgas,evenafterthe

instrument has been taken off the line for main-

tenance and so forth.

•Allproceduresrelatingtoinstallationmustcom-

ply with the electrical code of the country where

it is used.

(2) Wiring

•ThewiringoftheCoriolisowmetermustbe

performed by expert engineer or skilled person-

nel.Nooperatorshallbepermittedtoperform

procedures relating to wiring.

•Whenconnectingthewiring,checkthatthe

supplyvoltageiswithintherangeofthevoltage

specied for this instrument before connecting

the power cable. In addition, check that no

voltageisappliedtothepowercablebefore

connecting the wiring.

•Theprotectivegroundingmustbeconnected

securely at the terminal with the mark to

avoiddangertopersonnel.

(3) Operation

•Donotopenthecoveruntilthepowerhasbeen

off for at least 10 minutes. Only expert engi-

neer or skilled personnel are permitted to open

thecover.

(4) Maintenance

•MaintenanceontheCoriolisowmetershould

be performed by expert engineer or skilled

personnel.Nooperatorshallbepermittedto

perform any operations relating to maintenance.

•Alwaysconformtomaintenanceprocedures

outlined in this manual. If necessary, contact

Yokogawa.

•Careshouldbetakentopreventthebuildup

of dirt, dust or other substances on the display

panel glass or data plate. If these surfaces do

get dirty, wipe them clean with a soft dry cloth.

(5)EuropeanPressureEquipmentDirective

(PED)

•WhenusingtheinstrumentasaPED-compliant

product, be sure to read Chapter 10 before use.

(6)HazardousDutyTypeInstruments

•Forexplosionprooftypeinstrumentsthe

description in chapter 9 "EXPLOSION 

 PROTECTEDTYPEINSTRUMENT" has

priority to the other descriptions in this instruc

tion manual.

•AllinstructionmanualsforATEXExrelated

productsareavailableinEnglish,Germanand

French. Should you require Ex related instruc

tions in your local language, you should

contact your nearest Yokogawa office or

 representative.

•Onlytrainedpersonalshouldinstalland 

 maintaininstrumentsinhazardousareas.

•Theprotectivegroundingterminal must be

connected to a suitable IS grounding system.

•Avoidmechanicalgeneratedsparkswhile 

working on the equipment and peripherally

 devicesinhazardousareas.

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