04-3598_ABB_PVA11_T_1-3kVA_EN_REV-B.doc Page 12/29 ABB
Modifications reserved
UPS with internal batteries UPS without internal batteries
Figure 6: Back View of 3kVA
3.4 Electrical Installation
3.4.1 Commissioning
The UPS must be commissioned by a fully trained and authorized field service engineer before being put
into use. The commissioning of the UPS involves the connection of the UPS and batteries, the
verification of the electrical installation and operating environment of the UPS, the controlled start-up and
testing of the UPS and customer training.
OPERATIONS INSIDE THE UPS MUST BE PERFORMED BY A SERVICE
ENGINEER FROM THE SUPPLIER OR FROM AN AGENT AUTHORIZED
BY THE SUPPLIER.
DO NOT OPERATE IN CASE OF PRESENCE OF WATER OR MOISTURE.
BY OPENING OR REMOVING THE UPS-COVERS YOU ARE EXPOSED TO
DANGEROUS VOLTAGES
3.4.2 UPS Input Cabling
Connection of the Earth is performed in accordance with the prescribed IEC Standards or with local
regulations.
Provide input fuses and cables according to the information below or in accordance with the prescribed
IEC Standards or with the local regulations. The circuit breakers will be connected between the mains
supply and the UPS and will provide additional protection to the UPS in the event of overloads and short
circuits. Choose the breaker according to the voltage and current indicated in Table 2.
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