Instructions For Installing Locations - Mitsubishi Electric MELSEC-KOJIU Instruction Manual

8. INSTALLATION AND WIRING
8.1 Instructions for Installing Location
The KOJl U has excellent durability against severe environmental conditions as well as high relia-
bility.
However, in order to obtain higher reliability as a system, please install the KOJl U in full con-
sideration of the following:
[Avoid installation at the locations described below.1
(1) When the KOJl JU is installed a t locations or within panels where ambient temperature is
outside the range of 0°C and 55"C,
it
is recommended to provide a ventilation fan a t top.
(2) Locations where ambient humidity exceeds 90% RH, and locations where dew.condensation
takes place due to sudden temperature changes.
(3)
Locations where acceleration exceeds
2
g with vibration a t 10 to 55 Hz and amplitude a t
0.5 mm, and locations where shock exceeds 10
g.
(4) Locations where there are particularly a lot of conductive powder such
as dust and iron fit-
tings, corrosive gases (acid, alkali), oil mist, salt, and organic solvents.
(5) Locations exposed to the direct rays of the sun.
(6) Locations having high electric field or high magnetic field.
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