ABB Symphony Harmony Series Instructions Manual page 15

Safety Summary
Electrostatic Sensitive Device
Devices labeled with this symbol require special handling precau-
tions as described in the installation section.
GENERAL Equipment Environment
WARNINGS
All components, whether in transportation, operation or storage,
must be in a noncorrosive environment.
Electrical Shock Hazard During Maintenance
Disconnect power or take precautions to insure that contact with
energized parts is avoided when servicing.
SPECIFIC Disconnect power before attempting these procedures. Failure to do
WARNINGS so could result in severe or fatal shock, or equipment damage. (p.
PR2-1, PR3-1, PR4-1, PR5-2, PR6-1, PR7-1, PR8-1, PR9-1,
PR10-1, PR11-1, PR12-1, PR13-1, PR14-1, PR16-1)
SPECIFIC
Do not use the same power level from two power chassis. Doing so
CAUTIONS
will disrupt the active power sharing scheme and damage the power
system. (p. PR5-2, PR9-1)
Turn off the circuit breaker on the power entry panel (PEP) corre-
sponding to the line (LINE 1 or LINE 2) that powers the power sup-
ply tray to be removed or installed. Process upset may occur if a
power supply tray is removed or installed with power applied.
(PR5-2, PR10-1)
vi WBPEEUI210509A1