WEG UPS 10 kVA Serie Manual Del Usuario página 6

5 UPS ENTERPRISE PARALLELISM PROCEDURE ............................39
5.1 SYSTEM PREPARATION .........................................................................39
5.1.1 Battery Connection Layout .........................................................40
5.2 INSPECTION OF THE ELECTRICAL CONNECTIONS ...........................40
5.3 FIBER OPTICS CONNECTION AND COMMUNICATION CHECK
BETWEEN DEVICES .....................................................................................42
5.4 INSPECTION OF THE INVERTERS FOR PARALLEL OPERATION ......43
5.5 PARALLEL CONNECTION OF THE INVERTERS ...................................46
5.6 LOAD TRANSFER FROM THE INVERTER TO THE RESERVE LINE
AND RETURN OF THE LOAD TO THE INVERTER .....................................47
5.7 COMPLETE SHUTDOWN OF THE PARALLEL SYSTEM .......................47
5.8 TRANSFER OF THE PARALLEL SYSTEM BY
THE MANUAL BYPASS .................................................................................48
5.9 TRANSFER FROM THE MANUAL BYPASS SYSTEM TO
THE NORMAL MODE ...................................................................................49
5.10 ADDING ONE OR MORE UNITS TO THE PARALLEL SYSTEM .........50
5.11 REMOVING ONE OR MORE UNITS FROM
THE PARALLEL SYSTEM .............................................................................53
5.12 EMERGENCY POWER-OFF (EPO) ......................................................54
5.13 EPO RESET ............................................................................................54
6 TROUBLESHOOTING .........................................................................55
6.1 GENERAL ALARMS .................................................................................55
6.2 EVENTS LOG ............................................................................................56
6.3 FAULTS RELATED TO THE LOAD NATURE ...........................................56
7 PREVENTIVE MAINTENANCE ...........................................................57
7.1 ANNUAL MAINTENANCE (OR PERFORMED EVERY
SIX MONTHS IN CASES OF MORE CRITICAL APPLICATIONS) ................57
7.2 REGULAR MAINTENANCE OF BATTERIES ..........................................58
8 MODBUS - RTU ..................................................................................60
9 TECHNICAL DATA ..............................................................................62
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