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| DELTA | |
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| Installation, Operations and | |
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| Maintenance Manual | |
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| Settings | Description |
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| FL/EQU |
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| - | Function | - This button is used to manually select SMR into float or equalize state. |
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| HVSD RST |
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| - | Function | - When SMRs shut down resulting from DC high voltage. This button is |
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| used to reset alarm state. |
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| SMR RST |
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| - | Function | System will detect RFA warning when SMRs are vacant or turned off. |
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| However, if the button is pushed at this time, the system will stop |
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| sending the warning. |
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| Voltage/Current |
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| - | Function | This button is used to change the voltage or current of LED display. |
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Notice: When SMR turn off , the system will detect RFA warning in
4.2.3 Indicators
Table 15 displays the ALU indicators.
Table 15 ALU Indicators
| Indicator | Color | Function | Description |
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| LED1 | Green | FL | System Float State |
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| LED2 | Yellow | EQU | System Equalize State |
| LED3 | Red | HV | DC High Voltage |
| LED4 | Red | LV | DC Low Voltage |
| LED5 | Yellow | MIN | System Minor Alarm |
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| LED6 | Red | MAJ | System Major Alarm |
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| LED7 | Red | HVSD | High Voltage Shutdown (DC) |
| LED8 | Red | AC FAIL | Loss of AC Input |
| LED9 | Red | FUSE ALM | DC Output or Breaker SW. Trip |
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| LED10 | Red | LVDS OPEN | Low Voltage Disconnect Open |
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4.2.4 Relay Output |
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Table 16 displays the relay output.(Please refer to Figure 5)
Table 16 Relay Output
Relay | Function | Description | Relay | Function | Description | |
Relay1 | ACF | AC Failure | Relay5 | LV | DC Low Voltage | |
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Relay2 | MAJ | Major Alarm | Relay6 | LVD | Low Voltage Disconnect | |
Open | ||||||
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Relay3 | HVSD | High Voltage Shutdown | Relay7 | FA | Breaker Trip | |
Alarm | ||||||
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Relay4 | HV | DC High Voltage | Relay8 | MIN | Minor Alarm | |
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