A3346302IT74-GB
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5. Check if LED LINE1 and battery are green.
On the LCD: “LOAD OFF, SUPPLY FAILURE” will appear and the LED-indicator will
indicate as shown below:
LED Indicator
Colour
LINE 1
Green
LINE 2
OFF
BYPASS
OFF
INVERTER
OFF
BATTERY
Flashing Green
6. Make sure the bypass fuse F2 is inserted (front of Module);
7. Close external battery fuses/breaker of the new Module;
8. Press both “ON/OFF” Buttons simultaneously to start-up UPS.
LCD panel must display: “LOAD DISCONNECTED PARALLEL SWITCH OPEN” and
the LED-indicator will appear as shown below:
LED Indicator
Colour
LINE 1
Green
LINE 2
Green
BYPASS
Green
INVERTER
OFF
BATTERY
Green
9. Transfer load to mains and inverter for testing using submenu COMMANDS
10. Transfer Load to Bypass-Mode by means of COMMAND “LOAD TO BYPASS
11. Verify the status LOAD ON BYPASS
LED Indicator
Colour
LINE 1
Green
LINE 2
Green
BYPASS
Green
INVERTER
OFF
BATTERY
Green
12. Verify that the remaining UPS-Modules are also on Bypass;
13. If all three UPS-Modules are on Bypass, Close Parallel Isolator Switch IA2 of New
Module (position ON); on LCD should appear “PARALLEL SW IS CLOSED”.
14. Open Maintenance Bypass (IA1) by turning it to position “OFF”. The load is now
supplied by the static bypass of all three Modules. Check LED-indicators on control
panels.
15. Transfer load to Inverter-Mode by means of COMMAND “LOAD TO INVERTER” on
any one of three control panels. On LCD: “LOAD PROTECTED” will appear and the
LED-indicator will indicate as shown below:
LED Indicator
Colour
LINE 1
Green
LINE 2
Green
BYPASS
OFF
INVERTER
Green
BATTERY
Green
THE LOAD IS NOW PROTECTED BY THE PMC