Figure 8 Operator Controls, 65 to 80 kVA (left) and 100 to 500 kVA (right)
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Item | Description | Function |
1 | Input Circuit Breaker | This manually operated circuit breaker provides power to the UPS module rectifier. |
| (behind door of | In |
| kVA) (CB1) | transformer cabinet. |
2 | Module Output Circuit | This manually operated circuit breaker connects the UPS module inverter output to |
| Breaker (behind door of | the UPS System Control Cabinet. |
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3 | Operator Control Panel | Refer to Figure 10 for controls available on this panel. |
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4 | Control Disconnect | These two fuses provide power to the controls. They are normally closed (ON). |
| (behind inner door) | Turn Control Power OFF (by opening the two fuse holders) only for maintenance |
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| procedures. |
5 | Interlock Button | Press this button to make authorized changes to any parameter protected by the |
| (on rear of Control Panel) | Security Access function. This includes time, date, |
24 | Operation | DISCONTINUED |
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