YOKOGAWA EJX Series - Page 15

  <2.HandlingCautions>
13
IM01C25A01-01E
d. ATEXIntrinsicallySafeType/ATEX
FlameproofType
ModelEJX/EJA-ESeriespressuretransmitterswith
optionalcode/KU22or/V1U1canbeselectedthe
typeofprotectionATEXFlameproof,IntrinsicallySafe.
Exia,orExicforuseinhazardousarea.
Note1. Fortheinstallationofthistransmitter,oncea
particulartypeofprotectionisselected,any
othertypeofprotectioncannotbeused.The
installationmustbeinaccordancewiththe
descriptionaboutthetypeofprotectioninthis
user’smanual.
Note2. Forcombinedapprovaltypes
Onceadeviceofmultipleapprovaltypeis
installed,itshouldnotbere-installedusingany
otherapprovaltypes.Applyapermanentmark
inthecheckboxoftheselectedapprovaltype
onthecerticationlabelonthetransmitterto
distinguishitfromunusedapprovaltypes.
● ATEXIntrinsicallySafeExic
CautionforATEXintrinsicallysafeExic
• ApplicableStandard:
EN60079-0:2009/EN60079-0:2012,
EN60079-11:2012
• TypeofProtectionandMarkingCode:
II3GExicIICT4Gc
• AmbientTemperature:–30*to+60°C
*–15°Cwhen/HEisspecied.
• AmbientHumidity:
0to100%(Nocondensation)
• MaximumProcessTemperature:120°C
• IPCode:IP66
• Ambientpollutiondegree:2
• Overvoltagecategory:I
Note1. ElectricalData
 Ui=30V
 Ci=27.6nF
 Li=0µH
Note2. Installation
• Allwiringshallcomplywithlocalinstallation
requirements.(refertothecontroldrawing)
• Cableglands,adaptersand/orblankingelements
shallbeofEx“n”,Ex“e”orEx“d”andshallbe
installedsoastomaintainthespecieddegreeof
protection(IPCode)ofthetransmitters.
Note3. MaintenanceandRepair
• Theinstrumentmodicationorpartsreplacement
byotherthanauthorizedrepresentativeof
YokogawaElectricCorporationisprohibitedand
willvoidATEXintrinsicallysafe.
Transmitter
Associated
Apparatus
Nonhazardous Area
[Control Drawing]
Hazardous Area
+
–
F0212.ai
Note4. SpecicConditionsofUse
WARNING

• Electrostaticchargemaycauseanexplosion
hazard.Avoidanyactionsthatcausethe
gerenationofeletrostaticcharge,suchasrubbing
withadryclothoncoatingfaceoftheproduct.
• Whenthelightningprotectoroptionisspecied,
theapparatusisnotcapableofwithstandingthe
500VinsulationtestrequiredbyEN60079-11.This
mustbetakenintoaccountwheninstallingthe
apparatus.
(2) ElectricalConnection
Amarkindicatingtheelectricalconnectiontypeis
stampedneartheelectricalconnectionport.These
marksareasfollowed.
F0214.ai
Location of the mark
Screw Size Marking
ISO M20 × 1.5 female
ANSI 1/2 NPT female
M
N or W
(3) Installation
WARNING

• Allwiringshallcomplywithlocalinstallation
requirementsandthelocalelectricalcode.
• ThereisnoneedforconduitsealinDivision1
andDivision2hazardouslocationsbecausethis
productissealedatthefactory.
HandlingCautions
2