6F8C1637 
ii
  1.  Safety Precautions on Installation 
 
WARNING
 
 
 
 
Ground
 
Ground the device. 
Otherwise, it may cause an electric 
shock or fire. 
 
 
 
 
Mandatory
Construct the emergency stop 
circuit and interlock circuit outside 
the nv-pack series. 
Otherwise, it may cause an injury 
accident or damage to the machine if 
failure or malfunction occurs in the nv-
pack series. 
 
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.