Yokogawa AXFA14G/C - Manual (Page 5)

IM 01E20F12-01E 1-2
1. INTRODUCTION
PROFIBUS is a registered trademark of Profibus
Nutzerorganisation e.v., Karlsruhe, Germany.
1.1 Using the Magnetic Flow-
meter Safely
WARNING
(1) Installation
• Installation of the magnetic flowmeter must be
performed by expert engineer or skilled personnel.
No operator shall be permitted to perform proce-
dures relating to installation.
• 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 the magnetic flowmeter is processing hot
fluids, the instrument itself may become extremely
hot. Take sufficient care not to get burnt.
• Where the fluid being processed is a toxic sub-
stance, 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.
• Do not apply excessive weight, for example, a
person stepping on the magnetic flowmeter.
• All procedures relating to installation must comply
with the electrical code of the country where it is
used.
(2) Wiring
• The wiring of the magnetic flowmeter must be
performed by expert engineer or skilled personnel.
No operator shall be permitted to perform proce-
dures relating to wiring.
• 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.
• The protective grounding must be connected
securely at the terminal with the mark to avoid
danger to personnel.
(3) 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.
(4) Maintenance
• Maintenance of the magnetic flowmeter should be
performed by the trained personnel having knowl-
edge of safety standard. No operator shall be
permitted to perform any operations relating to
maintenance.
• When opening the cover, wait for more than 10
minutes after turning off the power.
• Always conform to maintenance procedures outlined
in this manual. If necessary, contact Yokogawa.
• Care should be taken to prevent the build up of dirt,
dust or other substances on the display panel glass
or data plate. If these surfaces do get dirty, wipe
them clean with a soft dry cloth.
(5) 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 01E20D01-
01E or IM 01E20C02-01E).
1.2 Warranty
• The terms of this instrument that are guaranteed are
described in the quotation. We will make any repairs
that may become necessary during the guaranteed
term free of charge.
• Please contact our sales office if this instrument
requires repair.
• If the instrument is faulty, contact us with concrete
details about the problem and the length of time it
has been faulty, and state the model and serial
number. We would appreciate the inclusion of
drawings or additional information.
• The results of our examination will determine
whether the meter will be repaired free of charge or
on an at-cost basis.
᭿
The guarantee will not apply in the following
cases:
• Damage due to negligence or insufficient mainte-
nance on the part of the customer.
• Problems or damage resulting from handling,
operation or storage that violates the intended use
and specifications.
• Problems that result from using or performing
maintenance on the instrument in a location that
does not comply with the installation location
specified by Yokogawa.