User Manual

<8. Handling Caution>
8-2
IM 01C50T02-01E
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 gure.
* WARNING: A SEAL SHALL BE
INSTALLED WITHIN 50 cm OF THE
ENCLOSURE.
UN SCELLEMENT DOIT ÊTRE
INSTALLÉ À MOINS DE 50 cm DU
BOÎTIER.
* When installed in Division 2, “FACTORY
SEALED, CONDUIT SEAL NOT
REQUIRED”.
Note 3. Operation
* Keep strictly the “WARNING” on the label
attached on the transmitter.
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 location.
Note 4. Maintenance and Repair
* The instrument modication or parts
replacement by other than authorized
representative of Yokogawa Electric
Corporation is prohibited and will void
Canadian Standards Explosionproof
Certication.
8.1.2 ATEX Certication
(1) Technical Data
A) ATEX Flameproof Type and Dust Ignition
Proof Type
Caution for ATEX Flameproof Type and Dust
Ignition Proof Type
Note 1. Model YTA320-F/KF2 temperature
transmitters for potentially explosive
atmospheres:
* No. KEMA 07ATEX0130
* Applicable Standard: EN 60079-0:2006,
EN 60079-1:2007, EN 61241-0:2006, EN
61241-1:2004
* Type of Protection and Marking Code: II
2 G Ex d IIC T6/T5, II 2 D Ex tD A21 IP67
T70°C, T90°C
* Ambient Temperature for Gas
Atmospheres:
–40 to 75°C (T6), –40 to 80°C (T5)
* Ambient Temperature for Dust
Atmospheres:
–40 to 65°C (T70°C), –40 to 80°C (T90°C)
* Enclosure: IP67
Note 2. Electrical Data
* Supply voltage: 32 V dc max.
Output signal: 16.6 mA
Note 3. Installation
* All wiring shall comply with local
installation requirement.
* The cable entry devices shall be of a
certied ameproof type, suitable for the
conditions of use.
Note 4. Operation
* Keep strictly the “WARNING” on the label
on the transmitter.
WARNING: AFTER DE-ENERGIZING,
DELAY 5 MINUTES BEFORE OPENING.
WHEN THE AMBIENT TEMP. ≥ 70°C,
USE THE HEATRESISTING CABLES OF
HIGHER THAN 90°C]
* Take care not to generate mechanical
spark when access to the instrument and
peripheral devices in hazardous location.
Note 5. 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 Flameproof Certication.
B) ATEX Intrinsically Safe “ia”
Caution for ATEX Intrinsically safe “ia”.
Note 1. YTA Series temperature transmitters
with optional code /KS25 for potentially
explosive atmospheres:
* No. KEMA 02ATEX1324 X
* Applicable Standard: EN 50014:1997,
EN 50020:2002, EN 50284:19999, EN
60529:1999
Note 2. Ratings
[Supply circuit]
• EEx ia IIC T4
Type of Protection and Marking Code:
EEx ia IIC T4
Group: II
Category: 1G
Ambient Temperature: –40 to 60°C
Degree of Protection of the Enclosure: IP67
Electrical Data