Siel Green Point 6:20KVA Specifications download pdf (Page 31)

SP121E Rev. 000 Siel S.p.A. Pag. 31 of 42

Issued date: 2005-05-06

GREEN POINT

This alarm is present if one of the following conditions occurs:

− the incoming mains supply voltage is insufficient.

− the output load, measured in active power [W], exceeds the rated value.

[8] OUTPUT OVERLOAD

Indicates that the power drawn by the load and provided by the inverter exceeds the permitted value. The value

indicated, expressed in %VA, exceeds 100%.

This alarm is activated whenever the peak current absorbed by the load exceeds the maximum value permitted.

When this alarm occurs the load should be reduced immediately. Otherwise the system will switch the load onto

the by-pass line, with a time delay inversely proportional to the size of the overload.

[9] BY-PASS FOR VA OUTPUT < AUTO-OFF VALUE

This alarm is activated whenever the power measured in %VA drawn by the load is less than the "AUTO-OFF"

value that has been set.

The %VA AUTO-OFF value is set to zero by the manufacturer (thereby disabling this alarm).

[10] INTERNAL FAULT: number

The various faults indicated are:

INTERNAL FAULT 1 - Precharge circuit fault

INTERNAL FAULT 2 - Inverter

INTERNAL FAULT 3 - Inverter output contactor failure

INTERNAL FAULT 4 - Booster output voltage

INTERNAL FAULT 5 - SCR on bypass line

INTERNAL FAULT 6 - Input contactor failure

INTERNAL FAULT 7 - Internal power supply error on the control board

INTERNAL FAULT 8 - Battery charger high voltage

INTERNAL FAULT 9 - SCR battery

INTERNAL FAULT 10 - Fault on parallel signal circuits

INTERNAL FAULT 11 - Switching on inverter failure

INTERNAL FAULT 20 - DC output voltage failure

INTERNAL FAULT 21 - A UPS operating as slave has distorted current flow

INTERNAL FAULT 22 - Parallel slave UPS has a different software version

INTERNAL FAULT 23 - Parallel UPS with different number of output phases

INTERNAL FAULT 24 - Transmission error from parallel master UPS

INTERNAL FAULT 25 - UPS previously activated in parallel mode

INTERNAL FAULT 26 - Switch over to bypass line failed

INTERNAL FAULT 27 - Failure on bypass SCR power supply

INTERNAL FAULT 28 - Input circuit with active filter failure

INTERNAL FAULT 29 - Active filter communication failure

INTERNAL FAULT 30 - Failure on temperature sensor

INTERNAL FAULT 31 - Microprocessor failure

[11] TEMPORARY BY-PASS, WAIT

Indicates that the load is powered by the by-pass line and that the system is about to automatically return to

normal operation, where the load is powered by the inverter.

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Siel Green Point 6:20KVA Specifications Page 31

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