Shutdown of a unit, Shutdown of an inverter

Shutdown

Shutdown of a unit

Shutdown of an inverter

◗press the "inverter off" button 7 on the control panel for 3 seconds;

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Single-unit UPS

◗green "load protected" light 5 goes off,

◗red "load not protected" light 2 on the control panel goes on,

◗the inverter stops;

◗if transfer to Mains 2 conditions are correct, the inverter shuts down and the load is transferred to Mains 2;

◗if transfer to Mains 2 conditions are not correct, the inverter does not shut down;

◗special action on the hidden control panel is required to force inverter shutdown,

◗to force inverter shutdown, press

simultaneously the security button 14 and button 5 "Forced inverter shutdown" 17 on the hidden control panel,

◗the load is transferred to Mains 2 with a 0.8 second interruption in the supply of power.

Multi-bypass modular UPS:

◗the UPS shuts down (the other parallel-connected unit can supply the entire load):

◗green "load protected" light 5 goes off,

Modular UPS with external maintenance bypass:

◗all the UPSs shut down:

◗green "load protected" light 5 goes off,

◗red "load not protected" light 2 on the control panel of each unit goes on,

◗orange "operating problem" light 3 on the other units goes on, all shut down due to the overload.

Frequency converter:

◗if the system is redundant, i.e. the other parallel-connected inverters can supply the load on their own, the inverter shuts down:

◗green "load protected" light 5 goes off,

◗red "load not protected" light 2 lights on the control panel of the line; The load is not affected in that the other inverters continue to supply it normally;

◗if the system is not redundant, all the inverters shut down;

◗green "load protected" light 5 goes off,

◗red "load not protected" light 2 on the control panel of each line goes on,

◗orange "operating problem" light 3 on the control panel of the other lines goes on, all shut down due to the overload.

Parallel UPS with SSC:

◗if the system is redundant, i.e. the other parallel-connected inverters can supply the load on their own, the inverter shuts down:

◗green "load protected" light 5 goes off,

◗red "load not protected" light 2 lights on the control panel of the line. The load is not affected in that the other inverters continue to supply it normally;

◗if the system is not redundant and the transfer to Mains 2 conditions are correct, all the inverters shut down;

◗green "load protected" light 5

goes off,

◗ red "load not protected" light 2 lights on the control panel of each line,

◗orange "operating problem" light 3 on the control panel of the other lines goes on (all shut down due to the overload),

◗the load is transferred to Mains 2 without an interruption in the supply of power;

◗if the system is not redundant and the transfer to Mains 2 conditions are not correct, the inverter does not shut down;

◗special action on the hidden control panel is required to force inverter shutdown,

◗to force inverter shutdown, press

simultaneously the security button 14 and button 5 "Forced inverter shutdown" 17 on the hidden control panel,

◗the load is transferred to Mains 2 with a 0.8 second interruption in the supply of power.

◗red "load not protected" light 2 on the control panel goes on.

The load is not affected and continues to be supplied by the other unit.

Shutdown of an rectifier/charger

Except in frequency converters without a battery, it is recommended not to stop the rectifier/charger because the battery will no longer be charged. Except in the case of a test of the inverter on battery power, the rectifier/ charger should be shutdown after the inverter to avoid unnecessary battery discharge.

Proceed in the following order:

◗open battery circuit breaker QF1;

◗open Mains 1 input switch Q1;

◗the rectifier/charger shuts down,

◗all control panel lights go off because the device is powered down.

Note:

In a frequency converter without a battery, rectifier/charger shutdown automatically results in inverter shutdown.

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