LEGRAND Trimod HE 10, Installation And Maintenance Manual

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CAUTION
If the firmware of the power modules is out of alignment, the status indicator flashes red rapidly and he display shows the
text "Invalid PM SW: to execute update”.
Press the ENTER key to update the modules and complete the start up phase. Press the ESC key to interrupt the update
and start-up procedures.
If no operation is carried out within 30 seconds, the UPS turns off.
12. Wait for the backlit status indicator on the control panel to show a steady green light.
13. Check that the output voltage and frequency values set correspond with the requirements of the applied load. If this
is not the case, insert the values necessary (consult the user manual).
14. Close the output breaker S2 (position ON) of the UPS. At this point, the load is powered by the UPS.
15. Close the UPS door and remove the key.
INDICATION
If during the installation phase it is necessary to check the proper functioning of the UPS in battery mode, remove the
mains by means of the breaker placed upstream of the UPS.
CAUTION
Do not remove the power modules during the functioning of the UPS without first having activate the proper replacement
procedure (described in paragraph 7.4). The removal of one or more power modules without the proper use of the
replacement procedure could damage the equipment.
CAUTION
The keys for opening the UPS door must not be left at the operator's disposal.
WARNING
The installation and maintenance manual and the quickstart sheet must not be left at the disposal of the operator.
6.6 ECO MODE setup
The UPS Trimod HE has a functioning mode called "eco mode", in which the load is supplied directly from the mains
through the automatic bypass circuit inside the power modules.
If the output voltage leaves the window of tolerance (-20% / +15% of the set output voltage), the UPS actuates its inverter
stage and supplies the load with the energy stored in the batteries.
When the input lines is back within the tolerance values, the UPS is automatically taken back to the eco mode. It is
possible to change the functioning mode between on-line and eco mode (and vice versa) both with UPS on and with the
UPS off (through the Service mode).
To activate the eco mode, enter the main menu and follow the path UPS Setup

Bypass

Off-line Mode.
Select "Enabled" and press the ENTER key to confirm the choice.
To return to the on-line mode, enter the main menu and follow the path UPS Setup

Bypass

Off-line Mode.
Select "Disabled" and press the ENTER key to confirm the choice.
INDICATION
If the load needs to be supplied with a voltage without disturbances or with a voltage regulated in amplitude and/or
frequency, it is necessary to use the UPS Trimod HE in on-line double conversion mode.
6.7 EMERGENCY POWER SYSTEM (EPS) mode setup
The Trimod HE UPS has an "emergency power system" functioning mode that is useful for example to power an emergency
lighting system.
When the mains is present, the UPS output is disabled. If the mains is missing, the output is supplied by the UPS functioning
with batteries.
It is possible to enable or disable the EPS function only in Service Mode (therefore with the UPS off).
Follow the path UPS Setup

Options

EPS mode . Select "Enabled" of "Disabled" and press the ENTER key to confirm
the choice.
6. Configuration and Start-up