6F8C1259 
 
  1.  Safety Precautions on Installation 
 
WARNING
 
 
 
Ground
Ground the device. 
Otherwise, it may cause an electric 
shock or fire. 
 
 
 
 
 
 
 
CAUTION
 
 
 
 
Prohibited
Do not install, store, or use it 
in the following environments.
・  A place with a lot of dust 
・  A place with corrosive gases 
(SO
2
, H
2
S) ore flammable gases 
・  A place with vibrations and shocks 
exceeding the allowed values 
・  A place with condensations due to 
rapid temperature changes 
・  A place with low or high 
temperature outside of the 
installation condition 
・  A place with high humidity outside 
of the installation condition 
・  A place with direct sunlight 
・  A place near equipment 
generating strong radio waves or 
magnetic fields 
It may cause accidents. 
 
 
Mandatory
Install the device in a place 
where maintenance and 
inspection can be done easily.
Otherwise, it may cause accidents. 
 
 
 
 
Prohibited
Do not block the ventilation 
hole or air inlet/outlet. 
It may cause fire or failure due to 
overheat. 
 
 
Mandatory
For installation and wiring of 
the system, observe the 
installation conditions and 
methods described in this 
document. 
Otherwise, it may cause a fall, fire, 
failure, or malfunction.