APC MGE 6739380EN/JC User Manual download pdf (Page 23)

6739380EN/JC - Page 23

Frequency converter or multi-bypass

UPS:

◗ the inverter starts and awaits the

start of the other inverters;

◗ when they are all on or enough have

been started to supply the rated load

power, the output switch for each

running line closes and the load is

supplied with power;

◗◗ red "load not protected" light 2

goes off,

◗◗ green "load protected" light 5

becomes constant, on the control panel

of each line supplying the load.

Start-up of an inverter

When the rectifier/charger is on:

◗ press the "inverter on" button 6 on

the control panel;

◗◗ green "load protected" light 5 blinks

for 3 seconds;

Single-unit or modular UPS system:

◗ the inverter starts and if the transfer

to Mains 2 conditions are correct, the

load is supplied by the inverter;

◗◗ red "load not protected" light 2

goes off,

◗◗ green "load protected" light 5

becomes constant.

Modular UPS with external

maintenance bypass or parallel UPS

with SSC:

◗ the inverter starts and awaits the

start of the other inverters;

◗ when they are all on or enough have

been started to supply the rated load

power, the output switch for each

running line closes and the load is

supplied with power;

◗◗ red "load not protected" light 2

goes off,

◗◗ green "load protected" light 5

remains on, without blinking, on the

control panel of each line supplying the

load and on the control panel of the

Static Switch Cubicle.

Frequency converter without a

battery:

◗ Start-up of the rectifier/charger

automatically leads to start-up of the

inverter.

Start-up (cont.)

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