User`s guide

WN-5220-S VideoWall User’s Guide
11
On a typical 20A, 115V circuit, no more than two WN-5220-S displays
may be installed. This allows an extra current margin. If any circuit
used to power one or more WN-5220-S displays is not a dedicated
circuit, the additional electrical load placed on the circuit by other
equipment must be considered.
WARNING
Displays that are intended for 240V configuration must have a
properly rated power supply cord and attachment plug supplied
by the installer.
WARNING
If extension cords are used for power, use only 3-prong
grounded cords sized to handle system power requirements.
Using the wrong-size extension cord can cause a fire-safety
hazard and can reduce the voltage available to the
WN-5220-S. If the extension cord is warm to the touch it is too
small and should be immediately removed from operation.
Temperature and Humidity
The WN-5220-S is designed to operate over an ambient temperature
range of 0
°
to 35
°
C (32
°
to 95
°
F) and a humidity of 20 to 80 % R.H.
non-condensing.
Some types of environmental lighting, such as incandescent, or high
intensity discharge lamps such as metal halide or mercury vapor
lamps, create high temperatures and this can cause excessive
heating of the WN-5220-S. Displays should be positioned far enough
away from high-temperature lights to prevent heat buildup.
Nearby heat sources can cause high operating temperatures in the
WN-5220-S display. Minimize the display’s exposure to heating ducts,
radiators, or other external heat sources.
Flooring
A single WN-5220-S display unit weighs approximately 120 lbs (55
kg). Before installing the WN-5220-S, determine the structural
integrity of the flooring where it will be used. The floor should be level
and strong enough to support the combined weight of the number of
displays and other equipment used in the installation. Take special
care when installing a WN-5220-S in a wall configuration on a
temporary structure such as a stage floor, where the flooring could
bend or collapse under the weight of the installation. Never stack
more than four (4) WN-5220-S displays vertically on a temporary
floor.