18 
 
4.1.2 Installation environment 
 
Avoid the following environment when you install the CPU system: 
 
(1)  A location in which the ambient temperature falls outside the range of 0 to 
55 degrees Celsius. 
 
(2)  A location in which the ambient humidity falls outside the range of 10 to 
90%RH. 
 
(3)  A location in which condensation may occur due to drastic changes in 
temperature. 
 
(4)  A location in which corrosive gas or flammable gas exists. 
 
(5)  A location in which the system is easily exposed to conductive powder, 
such as dust and iron filings, oil mist, salt, or organic solvent. 
 
(6)  A location exposed to direct sunlight. 
 
(7)  A location in which strong electrical or magnetic fields are generated. 
 
(8)  A location in which the module is exposed to direct vibration or impact.