Decommissioning; Maintenance Bypass Commissioning Instructions Read The Manual Completely Before Working On This Equipment - LEGRAND KEOR T EVO 10-60 KVA Installation & Operation Manual

9.3.

Decommissioning

Description of the Symbols Used in the Manual
Follow the order written below to decommission the UPS:
1.
Switch the output circuit breaker on the distribution panel to "OFF" position.
2.
Switch the output circuit breaker on the UPS (Q2) to "OFF" position.
3.
Switch the battery circuit breaker on the UPS (F5) to "OFF" position.
Description of the Symbols Used in the Manual 4.
If exists, switch the fuses on the external battery cabinet to "OFF" position.
5. Switch the mains supply circuit breaker on the distribution panel to "OFF" position.
6. Switch the auxiliary supply circuit breaker on the distribution panel to "OFF" position.
This symbol points out the instructions which are especially important.
7. Switch the inrush circuit breaker on the UPS (Q6) to "OFF" position.
8. Switch the mains supply circuit breaker on the UPS (Q1) to "OFF" position.
9. Switch the auxiliary circuit breaker on the UPS (Q4) to "OFF" position.
Wait a few minutes till UPS completely turn off.
This symbol points out the instructions which are especially important.
This symbol points out the risk of electric shock if the following instruction is
not followed.
Even without connections on UPS terminals, residual voltages may exist on these
terminals and inside the UPS. Do not touch these parts.
This symbol points out the risk of electric shock if the following instruction is
RISK OF BACKFEED:
This symbol points out the instructions, which may result with injury of the
not followed.
Voltage between all terminals including the protective earth (PE).
operator or damage of the equipment if not followed.
9.4. Maintenance Bypass Commissioning Instructions (Transfer Load Supply from UPS to Internal
Maintenance Bypass)
This symbol points out the instructions, which may result with injury of the
All packing material must be recycled in compliance with the laws in force in the
operator or damage of the equipment if not followed.
country where the system is installed.
This procedure may only be executed by trained Personnel.
All packing material must be recycled in compliance with the laws in force in the
country where the system is installed.
Description of the Symbols Used in the Manual
Maintenance bypass enables the user to isolate the electronic circuitry of the UPS from the mains voltage
and the load without interrupting the load operation by connecting the loads directly to the bypass supply.
This feature is useful while waiting service staff and shall only be executed by trained Personnel.
UPS: Uninterruptible Power Supply
In order to transfer to Maintenance Bypass without interruption, do the following instruction respectively;
Description of the Symbols Used in the Manual
ESD: Emergency Switching Device
1. On the display, select Menu / Command, enter password (1111) .
RS232: Serial Communication Protocol
2. In page Priority, select Eco Mode, save and confirm, go back to Energy Flow Diagram screen
UPS: Uninterruptible Power Supply
RS485: Serial Communication Protocol 3. Check that UPS is in Eco Mode operation.
ESD: Emergency Switching Device
4. Open the front door with the UPS key.
MODBUS: Modicon Communication Protocol
5. Switch the maintenance bypass circuit breaker on the UPS (Q3) to "ON" position.
RS232: Serial Communication Protocol
SNMP: Simple Network Management Protocol
6. See "M. Bypass Mode" written on LCD of UPS.
RS485: Serial Communication Protocol
V: Volt
7. Switch to "OFF" position the output circuit breaker (Q2), the battery circuit breakers (F5), the fuses on
MODBUS: Modicon Communication Protocol
A: Ampere
external battery cabinets if any, the mains supply circuit breaker (Q1) and the inrush circuit breakers (Q6)
SNMP: Simple Network Management Protocol on the UPS.
P: Power
8. Switch the auxiliary supply circuit breaker on the UPS (Q4) to "OFF" position.
V: Volt
9. LCD would be off and the alarms would be silenced.
A: Ampere
For Mains Supply, Auxiliary Mains Supply, Output, Battery Circuit Breaker and Maintenance Bypass Circuit
The loads will be continued to be supplied directly from the mains voltage.
Breaker;
P: Power
Some parts inside the UPS including terminals are still energized during maintenance
"ON": Closing the Circuit
bypass operation.
"OFF": Opening the Circuit
For Mains Supply, Auxiliary Mains Supply, Output, Battery Circuit Breaker and Maintenance Bypass Circuit
All the maintenance operations should be done by authorized LEGRAND UPS
Breaker;
Technical Service Personnel.
"ON": Closing the Circuit
During Maintenance Bypass operation; in case any mains voltage interruption occurs,
"OFF": Opening the Circuit
all loads supplied downstream the UPS will be de-energized. Maintenance Bypass
Operation should not be preferred for long time use.
KEOR T EVO
KEOR T EVO
KEOR T EVO
Before working on UPS terminals, check for Hazardous
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