PLZ-4WH 3
Safety Precautions
The following safety precautions must be observed to avoid fire
hazards, electric shock, accidents, and other failures. Keep them in
mind and make sure to observe them.
Using the product in a manner that is not specied in this manual
may impair the protection functions provided by the product.
Users
Operation
Manual
• This product must be used only by qualied personnel
who understand the contents of this operation manual.
• If unqualied personnel is to use the product, be sure
the product is handled under the supervision of quali-
ed personnel (those who have electrical knowledge).
This is to prevent the possibility of personal injury.
Purpose • Never use the product for purposes other than the
product’s intended use.
• This product is not designed or manufactured for
general home or consumer use.
Input power • Use the product within the rated input power volt-
age range.
• For applying power, use the power cord provided.
(see page 4).
• This product is designed as an equipment of IEC
Overvoltage Category II (energy-consuming equip-
ment supplied from the xed installation).
Cover • Some parts inside the product may cause physical
hazards. Do not remove the external cover.
• The rear panel may become hot during operation. If
you touch it, you may burn yourself.
Grounding • This product is IEC Safety Class I equipment
(equipment with a protective conductor terminal).
To prevent electric shock, be sure to connect the
protective conductor terminal of the product to elec-
trical ground (safety ground).
Operation • If a malfunction or abnormality is detected on the
product, stop using it immediately, and remove the
power plug from the outlet or turn off the circuit
breaker of switchboard. Make sure the product is
not used until it is completely repaired.
• Do not disassemble or modify the product. If you
need to modify the product, contact your Kikusui
distributor/agent.
Maintenance
and
Inspection
• To prevent the possibility of electric shock, remove
the power plug from the outlet or turn off the circuit
breaker of switchboard before carrying out mainte-
nance or inspection.
• Check periodically that there are no tears or breaks
in the power cord.
• If the panel needs cleaning, gently wipe it using a soft
cloth with water-diluted neutral detergent. Do not use
volatile chemicals such as benzene or thinner.
• To maintain the performance and safe operation of
the product, it is recommended that periodic main-
tenance, inspection, cleaning, and calibration be
performed.
Adjustments
and Repairs
• Kikusui service engineers will perform internal
service on the product. If the product needs adjust-
ment or repairs, contact your Kikusui distributor/
agent.
Precautions Concerning Installation
Location
Be sure to observe the following precautions when installing the
product.
• Do not use the product in a ammable atmosphere.
To prevent the possibility of explosion or re, do not use the prod-
uct near alcohol, thinner, or other combustible materials, or in an
atmosphere containing such vapors.
• Avoid locations where the product is exposed to high temperature
or direct sunlight.
Do not install the product near a heater or in areas subject to
drastic temperature changes.
Operating temperature range: 0 °C to 40 °C (+32 °F to +104 °F)
Storage temperature range: -20 °C to 70 °C (-4 °F to +158 °F)
• Avoid high humidity.
Do not install the product in high-humidity locations--near a boiler,
humidier, or water supply.
Operating humidity range: 20 %rh to 85 %rh (no condensation)
Storage humidity range: 0 to 90 %rh (no condensation)
Condensation may occur even within the operating humidity
range. In such cases, do not use the product until the condensa-
tion dries up completely.
• Be sure to use it indoors.
This product is designed for safe indoor use.
• Do not install the product in a corrosive atmosphere.
Do not install the product in a corrosive atmosphere or in environ-
ments containing sulfuric acid mist, etc. This may cause corrosion
of various conductors and bad contacts of terminals inside the
power supply leading to malfunction and failure, or in the worst
case, a re.
• Do not install the product in a dusty location.
Accumulation of dust can lead to electric shock or re.
• Do not use the product where ventilation is poor.
The unit employs a forced air cooling system. Air is taken in from
air inlet located on panels other than the rear panel and exhaust-
ed from the air outlet on the rear panel. Secure adequate space
around the unit to prevent the possibility of re caused by accu-
mulation of heat.
Allow at least 20 cm of space between the air inlet/outlet and the
wall (or obstacles). Hot air (approximately 20 °C higher than the
ambient temperature) is exhausted from the air outlet. Do not
place objects that are affected by heat near the air outlet.
• Do not place objects on the product.
Placing objects on top of the product can cause failures (especially
heavy objects).
• Do not install the product vertically.
It may cause injury to the operator or damage to the product when
it falls down.
• Do not install the product on an inclined surface or location sub-
ject to vibrations.
The product may fall and break or cause personal injury.
• Do not use the product in a location where strong magnetic or
electric elds are nearby or a location where large amount of dis-
tortion and noise is present on the input power supply waveform.
The product may malfunction.
• Do not use the unit near highly sensitive measuring instruments
or transceivers.
The noise generated by the unit may affect them.
• Secure adequate space around the power plug.
Do not insert the power plug to an outlet where accessibility to the
plug is poor. And, do not place objects near the outlet that would
result in poor accessibility to the plug.
It may cause injury to the operator or the damage to the product
when it falls down.
