Chapter 3 : Modular systems
UPS/NTA GB/ DELMX_EXPC1C3C6.B
page 21
9.2. Load transfer from inverter to mains
The transfer command from inverter to mains can be achieved from any unit in the menu
"General UPS / UPS Commands / load to mains".
Title screen / General UPS / UPS commands / Load to mains
UPS COMMAND : LOAD TO MAINS
CONFIRM TRANSFER TO MAINS
cancel validate
'ESC' 'ENTER'
9.3. Load transfer from mains to inverter
The load transfer from mains to inverter can be achieved from any unit in the menu "General
UPS / UPS Commands / load to inverter".
Title screen / General UPS / UPS commands / load to inverter
UPS COMMAND : LOAD TO INVERTER
CONFIRM TRANSFER TO INVERTER
Cancel validate
'ESC' 'ENTER'
9.4. Switching to maintenance bypass - shutdown of the system
9.4.1. System with two redundant units
The transfer of the system to the maintenance bypass should be carried out as follows :
-
request a "load to mains" command in the menu " General UPS / UPS commands"
from any unit.
-
close switches Q5 of all the units.
-
Open switches Q3 of all the units.
NOTE
In a system with two redundant units, only one
maintenance bypass can be closed.
