Safety Of Persons; Product Safety - Eaton DX RT 6K UPS User Manual

Safety of persons

RISK OF VOLTAGE BACKFEED. The system has its own power source (the battery).

Isolate the UPS and check for hazardous voltage upstream and downstream during
lockout-tagout operation. Terminal blocks may be energized even if the system is
disconnected from the AC power source.
Dangerous voltage levels are present within the system. It should be opened exclusively by

qualified service personnel.
The system must be properly grounded.

The battery supplied with the system contains small amounts of toxic materials. To avoid

accidents, the directives listed below must be observed:
- Servicing of batteries should be performed or supervised by personnel knowledgeable
about batteries and the required precautions.
- When replacing batteries, replace with the same type and number of batteries or battery
packs.
- Do not dispose of batteries in a fire. The batteries may explode.
- Batteries constitute a danger (electrical shock, burns). The short-circuit current may be
very high.
Precautions must be taken for all handling:

- Wear rubber gloves and boots.
- Do not lay tools or metal parts on top of batteries.
- Disconnect charging source prior to connecting or disconnecting battery terminals.
- Determine if battery is inadvertently grounded. If inadvertently grounded, remove source
from ground. Contact with any part of a grounded battery can result in electrical shock.
The likelihood of such shock can be reduced if such grounds are removed during
installation and maintenance (applicable to equipment and remote battery supplies not
having a grounded supply circuit).

Product safety

The UPS connection instructions and operation described in the manual must be followed

in the indicated order.
CAUTION - To reduce the risk of fire, the unit connects only to a circuit provided with

branch circuit overcurrent protection for :
63A rating, for 6kVA models,
100A rating, for 10kVA models
The upstream circuit breaker for Normal AC/Bypass AC must be easily accessible. The unit

can be disconnected from AC power source by opening this circuit breaker.
An additional AC contactor is used for backfeed protection and must comply with IEC/EN

62040-1 (the creep age and clearance distances shall meet the basic insulation
requirements for pollution degree 2).