Daktronics DF-12xx - Manual (Page 21)

Electrical Installation 3-1
Section 3: Electrical Installation
Daktronics outdoor displays are UL listed and tested to CSA standards for outdoor use.
Contact Daktronics with any questions regarding the testing procedures.
Only qualified individuals should perform power routing and termination to the
display. It is the responsibility of the electrical contractor to ensure that all
electrical work meets or exceeds local and national codes.
3.1 Preparing for Power/Signal Connection
Reference Drawing:
Quick Install, DF-1020 Gas Price Displays..................Drawing A-189768
Electrical installation consists of the following processes:
• Providing power and ground to a disconnect near the display.
• Routing power and ground from the main disconnect to the display
driver/power enclosure.
• Connecting the display ground to a grounding electrode at the sign location.
• Routing the control signal cable from the control location to the sign
location.
Drawing A-189768 provides detailed instructions for power and signal connections
for the DataMaster Gas Price displays, including hook-up of the connections
between host and client displays. Refer to this drawing before undertaking any part
of the electrical installation.
3.2 Power and Grounding Connections
Correct power and grounding installation is imperative for proper display operation.
The subsections that follow give details of display power installation. Only qualified
individuals should attempt to complete the electrical installation. Improper
installation could result in serious damage to the equipment and could be
hazardous to personnel.
Power
Daktronics DataMaster displays have been designed for easy access to components,
and the power and control signal hookup. Front panels are removable or hinged to
allow access to the digits, cabling, and other electronic components.
The DataMaster, Gas Price displays require a dedicated, 120 V circuit for incoming
power. The display itself has no breakers or fuses.