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Yokogawa Electric Corporation
Instructions (Canada)
Title
NFM030-A72
No.
Item
Specific conditions of use
Installation and erection
Use and setting-up (operation)
Maintenance and repair
<Anhang 4 Explosionsgeschütztes Instrument>
Model
2
Page
Revision
Descriptions
Precautions shall be taken to minimize the risk from
electrostatic discharge of painted parts and non-metallic
parts of the enclosure.
The installation must be in accordance with Canadian
Electrical Code Part I (C22.1) and relevant local codes.
Cable entry devices suitable for the thread form and the
size of the cable entries must be used, according to the
following marking on the equipment.
Marking
A
M
Screws of the field wiring terminals must be tightened
with the specified torque value: 0.22 to 0.25 Nm.
Field wiring for ethernet communication must be in
accordance with IEEE 802.3 so as to avoid overvoltage of
> 119 V.
Tag plate which is provided as an option of YH8000 shall
be hung by a wire and the wire shall be tightly bound to
earth terminal block of the enclosure of YH8000, not to
insulate electrically and to avoid electrostatic charging.
WARNING
DO NOT OPEN WHEN AN EXPLOSIVE ATMOSPHERE
MAY BE PRESENT
POTENTIAL ELECTROSTATIC CHARGING HAZARD
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 product.
Take care not to generate mechanical sparking when
access to the instrument and peripheral devices in
hazardous locations.
WARNING
When opening the cover, the enclosure should be dry and
clean to prevent from ingress water or dust.
A modification of the equipment would no longer comply
with the construction described in the certificate
documentation.
Only personnel authorized by Yokogawa Electric
Corporation can repair the equipment
YH8000
2
Screw size
ANSI 1/2 NPT
M20 (ISO)
IM 11Y01D03-01DE-E 4. Ausgabe: 12. August 2022-00
App.4-22
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