Powerware 9155 UPS20-30kVA - Manual (Page 16)

16 UPS 20-30 kVA, 230 V 0/60 Hz output
User’s Guide
1026743
Revision B
6. Electrical installation
The customer has to supply the wiring to connect the UPS to the local power source. The
electrical installation procedure is described in the following text. The installation inspection
and initial start up of the UPS and extra battery cabinet must be carried out by a qualified
service personnel such as a licensed service engineer from the manufacturer or from an agent
authorised by the manufacturer.
Warning!
Physical injury or death may follow, or damage may occur to the UPS, or the load
equipment if these instructions are ignored.
Figure 6 Location of the power terminals. S1:Service Bypass Switch; S2:Static Bypass Input Switch;
S3:UPS Output Switch. Make sure battery breaker is open and disconnect all internal battery strings
before operating with the terminal X4.