GE Energy
1
Before You Start
Before you begin installing and using the D400, review the information in this chapter, including the following topics:
•Safety precautions
•Product overview
•Product specifications
•Storage recommendations
Read and thoroughly understand this guide before installing and operating the unit. Save these instructions for later use and reference.
Warning! Failure to observe these instructions may result in serious injury or death.
1.1Safety Precautions
Follow all safety precautions and instructions in this manual.
Only qualified personnel should work on the D400. Maintenance personnel should be familiar with the technology and the hazards associated with electrical equipment.
•Never work alone.
•Before performing visual inspections, tests, or maintenance on this equipment, isolate or disconnect all hazardous live circuits and sources of electric power. Assume that all circuits are live until they have been completely
•Turn off all power supplying the equipment in which the D400 is to be installed before installing and wiring the D400.
•Beware of potential hazards and wear personal protective equipment.
D400 Substation Data Manager User's Manual 9