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24 Operation
Figure 8 Operator Controls, 65 to 80 kVA (left) and 100 to 500 kVA (right)
Item Description Function
1 Input Circuit Breaker
(behind door of 65-80
kVA) (CB1)
This manually operated circuit breaker provides power to the UPS module rectifier.
In 625-750 kVA modules and some 500 kVA modules, this breaker is located in the
transformer cabinet.
2 Module Output Circuit
Breaker (behind door of
65-80 kVA) (CB2)
This manually operated circuit breaker connects the UPS module inverter output to
the UPS System Control Cabinet.
3 Operator Control Panel Refer to Figure 10 for controls available on this panel.
4 Control Disconnect
(behind inner door)
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.
5 Interlock Button
(on rear of Control Panel)
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.
2
5
5
2
DISCONTINUED
PRODUCT