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Caution
This instrument is intended to be used under the following environmental
conditions (IEC61010-1): Overvoltage category
, Pollution degree 2
Ensure the mounting location corresponds to the following conditions:
• A minimum of dust, and an absence of corrosive gases
• No flammable, explosive gases
• No mechanical vibrations or shocks
• No exposure to direct sunlight, an ambient temperature of 0 to 50
(32 to 122 )
that does not change rapidly, and no icing
• An ambient non-condensing humidity of 35 to 85%RH
• No large capacity electromagnetic switches or cables through which large current
is flowing
• No water, oil or chemicals or where the vapors of these substances can come into
direct contact with the unit
• Take note that ambient temperature of this unit must not exceed 50
(122 ) if
mounted through the face of a control panel. Otherwise the life of electronic
components (especially electrolytic capacitors) may be shortened.
Note: Avoid setting this instrument directly on or near flammable material even
though the case of this instrument is made of flame-resistant resin.
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Caution
• Do not leave wire remnants in the instrument, because they could cause a fire or malfunction.
• Use the solderless terminal with an insulation sleeve in which an M3 screw fits when
wiring the FCD-13A.
• The terminal block of this instrument is designed to be wired from the left side.
The lead wire must be inserted from the left side of the terminal, and fastened with
the terminal screw.
• Tighten the terminal screw within the specified torque. If excessive force is applied to
the screw when tightening, the screw or case may be damaged.
• Do not apply a commercial power source to the sensor connected to the input terminal
nor allow the power source to come into contact with the sensor, as the input circuit
may be burnt out.
• This controller has no built-in power switch, circuit breaker or fuse. It is necessary to
install them near the controller.
(Recommended fuse: Time-lag fuse, rated voltage 250V AC, rated current 2A)
• For a 24V AC/DC power source, do not confuse polarity when using direct current (DC).
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Caution
• It is recommended that AT be performed during the trial run.
• Do not touch live terminals. This may cause electric shock or problems in operation.
• Turn the power supply to the instrument OFF when retightening the terminal and
cleaning. Working or touching the terminal with the power switched ON may result
in severe injury or death due to Electric Shock.
• Use a soft, dry cloth when cleaning the instrument.
(Alcohol based substances may tarnish or deface the unit.)
• As the display section is vulnerable, do not strike or scratch it with a hard object or
press hard on it.