Daktronics 6000 Series, Руководство по установке, Страница: 21 / 31

Electrical Installation
17
7 Electrical Installation
This section provides general guidelines for connecting
power to a 6000 series Daktronics digital billboard. For
display-specific power requirements, refer to the riser
diagram or contact the Project Manager.
Note: Provide the site-required power to the display as
listed on the system riser drawing. Low or poor
power can result in dim content, parts of the
display out, module flickering, or display damage.
Main Disconnect
Daktronics requires using a power disconnect switch with
the display. Use a disconnect so that all ungrounded
conductors can be disconnected near the point of
power connection.
Locate the disconnecting means either in a direct line of
sight from the display or so it can be locked in the open
position. This ensures that power is not reconnected while
service personnel work on the display.
Electrical Installation
1� Refer to the display riser diagram for site-required
power.
2� Run conduit from the main distribution panel
(provided by customer) to the display power
entrance(s).
3� Route power to the display through a disconnect
switch.
4� Loosen the four screws that secure the power
entrance cover and lift it off of the power entrance.
Refer to Figure 27 .
5� Feed power cable through the conduit into the
power entrance.
6� Connect the ground wire to the ground lug at the
bottom of the power entrance box (green wire) and
tighten to 45 in-lbs with a
3
/
16
” hex head wrench. Refer
to Figure 29 .
7� Connect power line 1 (L1) to Line 1 of the tap and use
a
3
/
16
” hex head wrench to tighten to 57 in-lbs.
Figure 27: Power Entrance
Access
Figure 28: Power Entrance Box
Figure 29: Connect Ground Wire