2.3 Specifications
A2-21
ME0384-4A
Chapter 2 System Configuration and Specifications
Installation conditions
[Installation Environment]
Usage is possible in environments of pollution degree 2
*1
or equivalent.
*1 Pollution degree 2: Environment in which generally only nonconductive pollution occurs, but
temporary conductive pollution may occur due to condensation. (IEC60664-1)
(1) Installation environment
Avoid the following locations for installation.
• Where the ambient temperature exceeds the range of 0 to 55℃
(If there is no fan unit, derating is available.)
For simple absolute units and SCON, where the ambient temperature exceeds the range
of 0 to 40℃
• Where the temperature changes rapidly and condensation occurs
• Where the relative humidity exceeds 85% RH
• Where the unit is exposed to odorous or combustible gases
• Where the unit is exposed to significant amounts of dust, salt or iron powder
• Where the unit is subject to direct vibration or impact
• Where the unit receives direct sunlight
• Where the unit may come in contact with water, oil or chemical spray
• Where vents are blocked [see the section for installation and noise countermeasures]
If the unit is used in any of the following locations, provide sufficient shielding measures:
• Where noise is generated due to static electricity, etc.
• Where there are strong electrical or magnetic fields
• Where mains or power lines pass nearby
(2) Storage/preservation environment
For the storage and preservation environment, see the installation environment. However,
give especial consideration to the prevention of condensation.
Unless especially specified, desiccant is not included in the package at shipping. If the
product is to be stored/preserved in an environment where condensation is anticipated, take
condensation preventive measures for the package overall from the exterior, or directly after
opening the package.
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