Tescom DS3550 User Manual page 4

IV. OPERATING INSTRUCTIONS ................................................................................ 36
4.1 Introduction .......................................................................................................... 36
4.2 Operating ups in online mode............................................................................... 36
4.2.1 Starting ups from a completely shut down position...................................... 36
4.2.2 Shutting down the ups ................................................................................ 36
4.2.3 Switching the UPS from a normal
operation to maintenance bypass condition .............................................. 37
4.2.4 Switching the UPS from a maintenance
bypass condition to normal operation ........................................................ 37
4.3 UPS Behavior During mains outage .................................................................. 38
V. PARALLEL OPERATION.......................................................................... 39
1 Introduction.......................................................................................... 39
5.
Parallel Operation Mode settings of DS300 Series UPSs.............................. 40
5.2
5.3 Parallel mode status codes of the UPS.................................................... 43
VI. PARALLEL OPERATING INSTRUCTIONS..................................................48
6.1 INTRODUCTION............................................................................... 48
6.2 OPERATING INSTRUCTIONS FOR PARALLEL CONNECTED UPSs.......... 48
6.2.1 Starting UPSs from a completely shut down position.................................48
6.2.2 Shutting down the UPS...................................................................... 48
6.2.3 Switching the UPS from a Normal Operation to Maintenance
Bypass Condition......................................................................................49
6.2.4 Switching the UPS from a Maintenance Bypass Condition
to Normal Operation..................................................................................49
VII. MAINTENANCE...................................................................................................... 50
7.1 Scheduled maintenance ..................................................................................... 50
7.2 Daily checks ....................................................................................................... 50
7.3 Weekly checks .................................................................................................... 50
7.4 Annual Maintenance ........................................................................................... 51
7.5 Storage conditions and transportation of ups ...................................................... 51
VIII. FAULTS AND TROUBLESHOOTING .................................................................. 52
8.1 General Procedure for fault checking and troubleshooting ................................... 52
8.2 Before calling service ........................................................................................... 52
IX. UPS REMOTE MANITORING AND CONTROL...................................................... 53
9.1 Using Serial Port .................................................................................................. 53
9.2 Serial Communication port connection cable ....................................................... 53
9.3 Modem connection .............................................................................................. 54
9.3.1 Hardware configuration ............................................................................... 54
9.3.2 Functioning Principle ................................................................................... 54
9.3.3 Modem Programming Procedure ................................................................ 54
9.3.3.1 Smart modem (SM) programming ................................................... 54
9.3.4 Modem - UPS Connection Cable ................................................................ 55
9.4 Dry contact (ınterface) connections ..................................................................... 55
9.5 Remote monitoring panel connection of UPS ....................................................... 55
X. EFFICIENT USAGE OF UPS IN TERMS OF ENERGY CONSUMPTION .............. 56
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