Figure 8 Typical Operator Controls; Table 1 Table; Table 1 Typical Operator Controls - Liebert 1000kVA Operation & Maintenance Manual

Figure 8 Typical operator controls
100kVA-
500kVA
5
1000kVA
1
Table 1 Typical operator controls
Item Description
1 Input Circuit Breaker (CB1)
Module Output Circuit
2
Breaker (CB2)
3 Operator Control Panel
Control Disconnect
4
(behind inner door)
Interlock Button
5
(on rear of Control Panel)
2
4
This manually operated circuit breaker provides power to the UPS module rectifier. In
625-750kVA modules and some 500kVA modules, this breaker is located in the
transformer cabinet.
This manually operated circuit breaker connects the UPS module inverter output to the
UPS System Control Cabinet.
Refer to Figure 10 for controls available on this panel.
These two fuses provide power to the controls. They are normally closed (ON). Turn
Control Power OFF (by opening the two fuse holders) only for maintenance procedures.
Press this button to make authorized changes to any parameter protected by the
Security Access function. This includes time, date, auto-dial phone numbers, etc.
5
Function
21
Operation
3
5
2