3
Limitations for working environments
Absolutely do not operate nor store this unit in the following environments. Doing so may cause any
failure in, damage to, or deterioration of the unit, resulting in fire.
In hot, cold, or damp areas which are not in compliance with the requirements for ambient environ-
ments specified in relevant catalogs and this INSTRUCTION MANUAL
In area where exposed to direct sunlight
In area where subjected to vibration or shock
In the vicinity of the equipment that produces sparks
In area where exposed to dust, conductive dust, corrosive gases, salinity, or flammable gases, and
Outdoors
Precautions in installation
Attach the unit vertically and perpendicularly in such a manner that a marking of its model is prop-
erly legible.
(Horizontal attaching of the unit will increase the temperature of it excessively.)
When use the unit in the environment that dust produces, please attach the unit in the installation.
In addition, please make measures so that dust does not enter in the installation.
Locate the unit at a well-ventilated and
dust-free place to the extent possible.
Secure spaces necessary for discharging
heat on the top and bottom and both
sides of the main body.
When stacking two or more units espe-
cially, give a sufficient space between
units so that heat from the lower unit
does not affect the upper unit.
If you intend to install a communication
function into the unit, attach a communi-
cation unit on the left side of the unit
body. Attach units in consideration of the
size of communication unit sized to
24mm wide. Additionally, keep sufficient
space so that its front door can be
opened and closed for maintenance and
inspection.
The working ambient temperature of the unit is 50°C or below. Please do not use the unit at any
higher temperature.
The working ambient humidity of the unit is 90%Rh or below. Please do not use the unit at any
higher humidity.
When attach the unit, please secure safe work space.
In addition, please do work of installation and the disassembly of the unit in higher than two without
doing work of installation and the disassembly of the unit alone when weight is more than 15kg.
CAUTION
CAUTION
Over 20mm
Over 20mm
Over 20mm
Ov
er from
200 to 400mm
Summary of Contents for UF-3 Series
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