Daktronics AF-3300-12-RGB/20-R - Manual (Page 22)

3.4 Power
Reference Drawings:
Shop Dwg, AF-3300-48x48-12-RGB, 32x48-20-R ...... Drawing B-241264
Shop Dwg, AF-3300-48x64-12-RGB, 32x80-20-R ...... Drawing B-240560
Power Requirements
Refer to the appropriate Shop Drawing for voltage and current requirements for
your display size. Each uses a 120VAC single-phase power source.
Do not connect the displays to any voltage other than that listed on the
Daktronics product label.
Proper power installation is imperative for proper display operation. The following
sub-sections give details of display power installation.
Grounding
This sign is intended to be installed in accordance with the requirements of
Article 600 of the National Electrical Code and/or other applicable local codes.
This includes proper grounding and bonding of the sign.
Displays must be grounded according to the provisions outlined in Article 250 of the
National Electrical Code
® . Daktronics requires a resistance to ground of 10 ohms or
less.
The display system must be connected to earth-ground. Proper grounding is
necessary for reliable equipment operation. It also protects the equipment from
damaging electrical disturbances and lightning. The display must be properly
grounded or the warranty will be void.
Figure 15: Primary Display with Enclosures
3-4 Electrical Installation