IM 01C25R01-01E
3-4
3. HANDLING CAUTIONS
• When installed in Division 1, “FACTORY
SEALED, CONDUIT SEAL NOT REQUIRED.”
Note 3. Operation
• Keep the “WARNING” nameplate attached to the
transmitter.
WARNING: OPEN CIRCUIT BEFORE REMOV-
ING COVER. FACTORY SEALED, CONDUIT
SEAL NOT REQUIRED. INSTALL IN ACCOR-
DANCE WITH THE USERS MANUAL IM
01C25.
• Take care not to generate mechanical sparking
when accessing to the instrument and peripheral
devices in a hazardous location.
Note 4. Maintenance and Repair
• The instrument modification or parts replacement
by other than authorized representative of
Yokogawa Electric Corporation is prohibited and
will void Factory Mutual Explosionproof Approval.
3.9.2 CSA Certification
a. CSA Explosionproof Type
Caution for CSA explosionproof type.
Note 1. Model EJX910A multivariable transmit-
ters with optional code /CF1 are appli-
cable for use in hazardous locations:
[For CSA C22.2]
• Explosion-proof for Class I, Groups B, C and D.
• Dustignition-proof for Class II/III, Groups E, F and
G.
• Enclosure: TYPE 4X
• Temperature Code: T6...T4
[For CSA E60079]
• Flameproof for Zone 1, Ex d IIC T6...T4
• Enclosure: IP66 and IP67
• Maximum Process Temperature: 120
°
C (T4),
100
°
C (T5), 85
°
C (T6)
• Ambient Temperature: –50 to 75
°
C (T4), –50 to
80
°
C (T5), –50 to 70
°
C (T6)
• Supply Voltage: 42 V dc max.
• Output Signal: 4 to 20 mA dc
Note 2. Wiring
• 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 the figure.
• WARNING:
A SEAL SHALL BE INSTALLED WITHIN 50cm
OF THE ENCLOSURE.
UN SCELLEMENT DOIT ÊTRE INSTALLÉ À
MOINS DE 50cm DU BOÎTIER.
• WARNING:
WHEN INSTALLED IN CL.I, DIV 2, SEAL NOT
REQUIRED.
UNE FOIS INSTALLÉ DANS CL I, DIV 2,
AUCUN JOINT N'EST REQUIS.
Note 3. Operation
• WARNING:
AFTER DE-ENERGIZING, DELAY 5 MINUTES
BEFORE OPENING.
APRÉS POWER-OFF, ATTENDRE 5 MINUTES
AVANT D'OUVRIR.
• WARNING:
WHEN AMBIENT TEMPERATURE
≥
65
°
C,
USE THE HEAT-RESISTING CABLES
≥
90
°
C.
QUAND LA TEMPÉRATURE AMBIANTE
≥
65
°
C, UTILISEZ DES CÂBLES RÉSISTANTES Á
LA CHALEUR
≥
90
°
C.
• Take care not to generate mechanical sparking
when accessing to the instrument and peripheral
devices in a hazardous location.
Note 4. Maintenance and Repair
• The instrument modification or parts replacement
by other than authorized representative of
Yokogawa Electric Corporation and Yokogawa
Corporation of America is prohibited and will void
Canadian Standards Explosionproof Certification.
Non-hazardous
Location
Equipment
42 V DC Max.
4 to 20 mA DC
Signal
Non-Hazardous
Locations
Hazardous Locations Division 1
Non-Hazardous
Locations
Hazardous Locations Division 2
50 cm Max.
Sealing Fitting
Conduit
Non-hazardous
Location
Equipment
42 V DC Max.
4 to 20 mA DC
Signal
Sealing Fitting
F0305E.EPS
EJX Series
EJX Series
SUP
PLY
PUL
SE
CHEC
K
ALAR
M
SUPP
LY
PUL
SE
CHECK
ALARM
3.9.3 CENELEC ATEX (KEMA)
Certification
(1) Technical Data
a. CENELEC ATEX (KEMA) Flameproof Type
Caution for CENELEC ATEX (KEMA) flameproof
type.
Note 1. Model EJX910A multivariable pressure
transmitters with optional code /KF2 for
potentially explosive atmospheres:
