Download User`s Manual

1. INTRODUCTION
1.1
• The protective grounding must be connected
securely at the terminal with the
mark to avoid
danger to personnel.
Safe Use of This Product
For the safety of the operator and to protect the
instrument and the system, please be sure to follow this
manual’s safety instructions when handling this
instrument. If these instructions are not heeded, the
protection provided by this instrument may be impaired. In this case, Yokogawa cannot guarantee that
the instrument can be safely operated. Please pay
special attention to the following points:
(c) Operation
• When opening the cover, wait for more than 10
minutes after turning off the power. Only expert
engineer or skilled personnel are permitted to open
the cover.
(a) Installation
• Installation of the magnetic flowmeter must be
performed by expert engineer or skilled personnel.
No operator shall be permitted to perform procedures relating to installation.
(d) Maintenance
• Maintenance of the magnetic flowmeter should be
performed by the trained personnel having safety
standard knowledge. No operator shall be permitted
to perform any operations relating to maintenance.
• The magnetic flowmeter is a heavy instrument. Be
careful that no damage is caused to personnel
through accidentally dropping it, or by exerting
excessive force on the magnetic flowmeter. When
moving the magnetic flowmeter, always use a trolley
and have at least two people carry it.
• When opening the cover, wait for more than 10
minutes after turning off the power.
• Please carry out only the maintenance procedures
described in this manual. If you require further
assistance, please contact the nearest Yokogawa
office.
• When the magnetic flowmeter is processing hot
fluids, the instrument itself may become extremely
hot. Take sufficient care not to get burnt.
• Care should be taken to prevent the build up of dust
or other materials on the display glass and the name
plate. To clean these surfaces, use a soft, dry cloth.
• Where the fluid being processed is a toxic substance, avoid contact with the fluid and avoid
inhaling any residual gas, even after the instrument
has been taken off the piping line for maintenance
and so forth.
(e) Explosion Protected Type Instrument
• Users of explosion proof instruments should refer to
chapter of Explosion Protected Type Instrument in
the user’s manual for each model (IM 01E20D0101E or IM 01E20C02-01E).
• Do not apply excessive weight, for example, a
person stepping on the magnetic flowmeter.
• The use of this instrument is restricted to those who
have received appropriate training in the device.
• All procedures relating to installation must comply
with the electrical code of the country where it is
used.
• Take care not to create sparks when accessing the
instrument or peripheral devices in a hazardous
location.
(b) Wiring
• The wiring of the magnetic flowmeter must be
performed by expert engineer or skilled personnel.
No operator shall be permitted to perform procedures relating to wiring.
(f) Modification
• Yokogawa will not be liable for malfunctions or
damage resulting from any modification made to this
instrument by the customer.
• When connecting the wiring, check that the supply
voltage is within the range of the voltage specified
for this instrument before connecting the power
cable. In addition, check that no voltage is applied
to the power cable before connecting the wiring.
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IM 01E20F02-01E