YOKOGAWA AXFA14G - 10.4 IECEx

<10. Explosion Protected Type Instrument>
81
IM 01E20A01-01EN
For CSA C22.2 Series
Explosion proof for Class I, Division 1, Groups A, B, C & D.
Dust-ignition proof for Class II/III, Division 1, Groups E, F
& G.
“SEALALLCONDUITSWITHIN50cmOFTHE
ENCLOSURE”
“WHENINSTALLEDINDIV.2,SEALSNOTREQUIRED”
Maximum power supply voltage: 250 Vac/130 Vdc
Excitation Circuit: 140V max
Enclosure: Type 4X
Temperature Code: T6
Ambient Temp.: –40°C to +60°C (–40°F to +140°F)
For CSA E79 Series
Flameproof for Zone 1, Ex d IIC T6
Maximum power supply voltage: 250 Vac/130 Vdc
Excitation Circuit: 140V max
Enclosure: IP66, IP67
Temperature Code: T6
Ambient Temp.: –40°C to +60°C (–40°F to +140°F)
(2) Installation
For CSA C22.2 Series
WARNING
• All wiring shall comply with Canadian Electrical
Code Part I and Local Electrical Codes.
• In hazardous location, wiring shall be in conduit as
shown in Figure 10.3
WARNING : SEAL ALL CONDUITS WITHIN 50cm
OF THE ENCLOSURE’.
UN SCELLEMENT DOIT ÉTRE
INSTALLÉ À MOINS DE 50cm DU
BOÎTIER.
• WheninstalledinDivision2,“SEALSNOT
REQUIRED”
Conduit
Magnetic Flowmeter
Sealing Fitting
HAZARDOUS LOCATIONS
50 cm Max.
F1012.ai
Figure 10.3 Conduit Wiring
For CSA E79 Series
WARNING
• 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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ameproofcertied.)
(3) Operation
For CSA C22.2 Series
WARNING
WARNING : OPEN CIRCUIT BEFORE REMOVING
COVER.
OUVRIR LE CIRCUIT AVANT
D’ENLEVER LE COUVERCLE.
• Take care not to generate mechanical spark when
access to the instrument and peripheral devices in
hazardous locations.
For CSA E79 Series
(AXF Integral Flowmeter),
(AXFA14 Remote Converter)
WARNING
WARNING : AFTER DE-ENERGIZING, DELAY 20
MINUTES BEFORE OPENING.
APRÉS POWER-OFF, ATTENDRE 20
MINUTES AVANT D’OUVRIR.
• Take care not to generate mechanical spark when
access to the instrument and peripheral devices in
hazardous locations.
(AXF Remote Flowtube)
WARNING
WARNING : DE-ENERGIZE BEFORE OPENING.
OUVRIR LE CIRCUIT AVANT
D’ENLEVER LE COUVERCLE.
• Take care not to generate mechanical spark when
access to the instrument and peripheral devices in
hazardous locations.
(4) Maintenance and Repair
WARNING
Theinstrumentmodicationorpartsreplacementby
other than authorized representative of YOKOGAWA
Electric Corporation or YOKOGAWA Corporation
of AMERICA is prohibited and will void Canadian
StandardsExplosionproofCertication.
10.4 IECEx
NOTE
ForIECExexplosionprooftypespecication,referto
IM 01E20A01-11EN.
Explosion Protected Type Instrument
10