
ALPHA PID SIGN INSTALLATION AND MAINTENANCE MANUAL (PN 1260600601 REV. B) 1
Contents
Purpose ...................................................................................................................................... 1-1
Revision history .......................................................................................................................... 1-1
Safety information ....................................................................................................................... 1-1
Equipment protection .................................................................................................................. 1-2
Supplier's Declaration of Conformity ........................................................................................... 1-2
Exterior views .............................................................................................................................. 2-1
Opening a sign ............................................................................................................................ 2-3
Interior views ............................................................................................................................... 2-5
Label locations ............................................................................................................................ 2-7
Overview ..................................................................................................................................... 3-1
Sign mounting guidelines and requirements ............................................................................... 3-2
Environmental requirements ....................................................................................................... 3-2
Ventilation requirements ............................................................................................................. 3-3
Lifting the sign ............................................................................................................................. 3-4
Mounting the sign ....................................................................................................................... 3-5
Install the sun shield (optional) ................................................................................................... 3-7
Requirements for electrical installation ....................................................................................... 4-1
Earth-grounding signs ................................................................................................................. 4-2
Lightning strike protection ........................................................................................................... 4-2
Install power to the sign .............................................................................................................. 4-3
Connect to the messaging computer .......................................................................................... 5-1
Physical inspection ..................................................................................................................... 6-1
Front lens cleaning (outside of sign) ........................................................................................... 6-2
Turn off power ............................................................................................................................. 6-3
Replace the circuit breaker ......................................................................................................... 6-4
Replace the surge suppressor..................................................................................................... 6-5
Replace the Ethernet device ....................................................................................................... 6-6
Replace the Ethernet to fiber optic converter ............................................................................. 6-7
Replace the light sensor assembly ............................................................................................. 6-8
Replace the 4.2VDC power supply ............................................................................................. 6-9
Replace the 5VDC power supply ................................................................................................ 6-10
Replace the display adapter board ............................................................................................. 6-11
Replace the sign controller ......................................................................................................... 6-12
Replace the fan ........................................................................................................................... 6-13
Replace the display board ........................................................................................................... 6-14
1INTRODUCTION
2EQUIPMENT DESCRIPTION
3MECHANICAL INSTALLATION
4ELECTRICAL INSTALLATION
5NETWORKING
6Maintenance