PLZ-U Installation and Preparation 2-5
■ Secure adequate space around the power switch.
Do not place the PLZ-U in a location that would result in poor accessibility to the
switch. And, do not place objects near the switch that would result in poor accessi-
bility.
■ Do not place objects on the PLZ-U.
Placing objects on top of the PLZ-U can cause failures (especially heavy objects).
■ Do not place the PLZ-U on an inclined surface or location sub-
ject to vibrations.
The PLZ-U may fall or tip over causing damages and injuries.
■ Do not use the PLZ-U in a location where strong magnetic or
electric fields are nearby or a location where large amount of
distortion and noise is present on the input power supply
waveform.
The PLZ-U may malfunction.
■ Do not use the PLZ-U near highly sensitive measuring instru-
ments or transceivers.
The noise generated by the PLZ-U may affect them
■ Use the PLZ-U in an industrial environment.
The PLZ-U may cause interference if used in residential areas. Such use must be
avoided unless the user takes special measures to reduce electromagnetic emissions
to prevent interference to the reception of radio and television broadcasts.
2.3 Precautions When Moving the PLZ-U
When moving or transporting the PLZ-U to the installation site, observe the follow-
ing precautions.
■ Turn off the POWER switch.
Moving the PLZ-U while the power is turned on can cause electric shock or damage
to it.
■ Remove all wiring.
Moving the PLZ-U with the cables connected can cause wires to break or injuries
due to the PLZ-U falling over.
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