<2. Handling Cautions>
2-11
IM 01C25K01-01E
Note 3. Maintenance and Repair
• The instrument modification or parts
replacement by other than authorized
representative of Yokogawa Electric
Corporation is prohibited and will void ATEX
intrinsically safe.
Associated
Apparatus
Transmitter
Nonhazardous Area
[Control drawing]
Hazardous Area
+
–
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Note 4. Specific Conditions of Use
WARNING
• Electrostatic charge may cause an explosion
hazard. Avoid any actions that cause the
generation of electrostatic charge, such as
rubbing with a dry cloth on coating face of
the product.
•
When the lightning protector option is
specified, 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.
F0208.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.
(4) Operation
WARNING
• OPEN CIRCUIT BEFORE REMOVING
COVER. INSTALL IN ACCORDANCE WITH
THIS USER’S MANUAL
• Take care not to generate mechanical
sparking when access to the instrument and
peripheral devices in a hazardous location.
(5) Maintenance and Repair
WARNING
The instrument modification or parts replacement
by other than an authorized Representative of
Yokogawa Electric Corporation is prohibited and
will void the certification.
