Daktronics Valo Digital Billboard - Manual (Page 26)

1. Turn off the breakers for the display fans in each display section. Refer to the block
diagram and layout, and component drawings to determine breaker location.
2. Use the layout, component drawing to locate the first fan in each display section.
3. Remove the module that is in front of the first fan in each display section.
4. Disconnect the power quick-connect from the breaker to the first fan.
5. Plug the thermostat’s power quick-connect into the breaker quick-connect and the
fan quick-connect.
6. Using TEK screws, attach the thermostat to a display upright. Only screw through
the mounting bracket.
7. Set the thermostat to 85° F.
8. Turn the fan breakers on.
9. Repeat Steps 1-8 for each display section.
Reattaching Borders
On some 1000 series digital billboard displays, the border pieces may come loose.
Required tools:
• Cordless drill
• 1 /
4
" Tapping screws
• 5 /
16
" Drill bit
• 3 /
8
" Driver
To reattach a border, follow the steps below.
1. Lift the bottom border tight against the bottom cabinet perimeter.
2. Drill a 5 /
16
" pilot hole in the first extrusion where the self-tapping screws are to be
mounted. Drill one pilot hole in the front and one in the rear. This will ensure that
the self-tapping screws will pull the extrusion tight.
3. Install a 1 /
4
" self-tapping screw in the pilot holes.
Module Gears
1. Remove the module from the display and place it face
down on a flat, dry surface.
Figure 10: Module Gear
2. Completely extend the gear arms to relieve pressure on
Replacing Display Components 18