Procedure For Commissioning And Start-Up - LEGRAND KEOR T EVO 10-60 KVA Installation & Operation Manual

10.2.

Procedure for Commissioning and Start-Up

Important Notices!
If the UPSs are not factory parallel configured; the initially started-up UPS will operate as master and
the remaining UPS's will operate as slave. According ID numbers defined for each UPS, Master and Slave
messages should be observed on the LCD panel. On the master unit, candidate master UPS is also shown
Thank you for choosing LEGRAND UPS System to supply your Critical Application.
as CX.
CX represents the best available master candidate UPS among the slave UPSs. X represents the ID number
This manual contains important information about commissioning, usage and technical properties of the
of this slave UPS. In case the master UPS fails, then this candidate assigned UPS becomes Master.
UPS. It also contains safety information for operator and instructions to secure your critical load. Applying
the recommendation detailed in this manual is necessary to use UPS safely and correctly.
ID-1 Master / CX Online Mode
Start up for "PARALLEL" UPSs not on Maintenance Bypass Mode;
1.
Switch the auxiliary supply circuit breaker on the distribution panel to "ON" position.
Read the manual completely before working on this equipment!
2.
Switch the mains supply circuit breaker on the distribution panel to "ON" position.
3. Q4
Switch (Auxiliary Supply) circuit breakers of all UPSs "ON" position.
4. Switch Q1 (Mains Supply) circuit breakers of all UPSs to "ON" position.
5. Switch Q6 (Inrush) circuit breakers of all UPSs to "ON" position.
Keep this manual in UPS's front cover's pocket for easy consultation!
6.
Touch Battery icon to see Battery / DC menu measurement. Do not close the battery circuit breakers (F5)
until the difference between DC bus and Battery voltages decreases below 10V.
7.
If exists, switch external Battery circuit breaker to "ON" position.
Reproduction, adaptation, or translation of this manual is prohibited without prior
8.
Switch Q2 (Output) circuit breakers of all UPSs to "ON" position.
written permission of LEGRAND Company, except as allowed under the copyright laws.
9. If exists, switch the output circuit breakers on the distribution panel to "ON" position (o unit output switch
and OS General Output switch).
Start up for "PARALLEL" UPSs on Maintenance Bypass Mode;
The manufacturer reserves the rights to change the technical specifications
1. Q4
Switch (Auxiliary Supply) circuit breakers of all UPSs "ON" position.
and design without notice.
2. Q1
Switch (Mains Supply) circuit breakers of all UPSs to "ON" position.
3. Q6
Switch (Inrush) circuit breakers of all UPSs to "ON" position.
4. LCDs will be ON. See
LEGRAND reserves the rights to change the information in this document
without notice. Refer to http://ups.legrand.com/ web site to dowload last
5. Touch Battery icon to see Battery / DC menu measurement. Do not close the battery circuit breakers (F5)
release and translations.
until the difference between DC bus and Battery voltages decreases below 10V.
6.
If exists, switch external Battery circuit breakers to "ON" position.
7.
Switch F5 (Battery) circuit breakers of all UPSs to "ON" position.
Units that are labelled with a CE mark comply with the Standard: EN 62040-1 and EN 62040-2.
8.
Switch Q2 (Output) circuit breakers of all UPSs to "ON" position.
9. If exists, switch the output circuit breakers on the distribution panel to "ON" position (o unit output switch
and OS General output switch).
10. Q3
Switch (Maintenance Bypass) circuit breakers of all UPSs to "OFF" position.
11. Q
If exists, Switch ( External Maintenance Bypass) circuit breaker to "OFF" position.
12. Mode" written on LCDs.
See "Online
CAUTION:
parallel operation.
In case the communication cable is removed or damaged during parallel operation and the communication
is lost then the slave UPS which cannot communicate with the master UPS will disconnect from the output
bus and turn off. The other UPSs will continue normal operation. In such a case, this UPS should be turned
off completely in order to insert its communication cable again and then switched on again.
68
"M. Bypass Mode" written on LCD of all UPS.
Do not remove the communication cables between the UPS's during
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