6F8C0845
iii
WARNING
CAUTION
2. Precautions on Installation
Be sure to ground the equipment.
Operation without grounding may cause
accidental fire or shock.
Mandatory
Mandatory
Avoid the following locations when
installing or storaging the equipment.
• Locations where there is dust, salinity, or ion
particles
• Locations where there are corrosive gases
(SO
2
, H
2
S) or flammable gases
• Locations where vibration or shock occurs
beyond the allowance
• Locations where there is condensation due
to sharp temperature variations
• Locations where the ambient temperature
exceeds the allowance range
• Locations where the relative humidity
exceeds the allowance range
• Locations where the equipment is exposed
to direct sunlight
• Locations where strong electric radiation or
magnetic field is generated
Improper the installation or writing of the
system can cause not only insufficient
performance but also malfunction and failure
of the equipment
Installation in other than the specified
direction or in the wrong way could cause the
product to fall, catch fire, failure, or
malfunction.
Mandatory
Mandatory
Install the equipment at a place where
maintenance and inspection are easy to do.
Otherwise, recovery from failure may take
much more time, leading to a serious
accidents.
Do not cover the hole of the equipment, and
the ventilator/air inlet of the system.
Otherwise, overheating, etc. can cause fire
or malfunction.
Forbidden
Mandatory
Be careful not to let wire fragments and other
foreign matter into the module and units. They
could cause a fire, failure, and malfunction.