Specifications

Always On UPS Systems
7
THIS SAFETY NOTICE IS ADDRESSED TO THE ALWAYS ON
CUSTOMER ENGINEERS WHO PERFORM MAINTENANCE OF THE
UNINTERRUPTIBLE POWER SUPPLY (UPS) SYSTEMS.
Electrical Safety
• Maintenance work to be preformed by factory trained customer engineers, or qualified
personnel. Extremely dangerous voltage levels can exist within the bypass system.
Extreme caution must be used.
• Ensure system is in maintenance bypass mode or external wrap-around bypass mode
before work is started.
• This manual is designed as an aid tool in diagnosing problems that may arise. Always
On does not assume responsibility if information causes injuries.
• Apart from the front door, do not open any other part of the bypass without consulting
the factory first. Before removing the protection screens, be sure that the unit is
completely powered off.
• Be aware that dangerous voltage can be supplied by the internal battery or electrolytic
capacitors.
• When system is in bypass mode and all fuses have been opened dangerous voltages
may exist within the bypass system. Use extreme caution when exchanging boards and
working inside the unit.
READ AND FOLLOW ALL SAFETY INSTRUCTIONS.
SAVE THESE INSTRUCTIONS.