6.2 UPS Startup Procedures
The UPS must be completely installed and tested by authorized engineer, and external power supply switch is closed, then
you can start the UPS.
6.2.1 Startup Procedures in Normal Mode
W A R N IN G !
1. T h ese pro cedu res resu lt in m ain s vo ltage bein g applied to th e UP S o u tpu t term in als.
2. If an y lo ad equ ipm en t is co n n ected to th e UP S o u tpu t term in als, ch eck with th e u ser th at it is
safe to apply po wer. If th e lo ad is n o t ready to receive po wer, please disco n n ect th e do wn stream
lo ad switch , an d stick a warn in g label o n th e co n n ectio n po in t o f th e lo ad.
Use the following procedures to turn on the UPS from a fully powered down condition:
1.
Open the front door of the UPS, ensure that the internal maintenance bypass switch Q3 is disconnected, while
the input cables and copper bars are reliably connected.
2.
Close the external input switch, ensure that the UPS input voltage, frequency, and phase are normal.
W A R N IN G ! In parallel UP S co n figu ratio n , all o peratio n s related to disco n n ectio n o r co n n ectio n
o f th e m ain ten an ce bypass switch sh all be execu ted with in th ree seco n ds to avo id o verlo ad
situ atio n s & dam age to th e m ain ten an ce bypass switch .
3.
Close the output switch Q5, bypass input switch Q2, rectifier input switch Q1, and all external output isolating
switches (if any) of the UPS in turn.
At the moment, the system is powered on, and the startup screen pops up.
About 25 seconds later, click LOG IN icon
to enter the system by inputting correct password.
6 Single UPS Operation Introduction
103
Vertiv™ Liebert® APM Plus User Manual
Содержание APM 0250kMK16FN02000
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Страница 154: ...Figure 8 8 LBS port J4 on bypass control module 8 Parallel System and LBS System 146 Vertiv Liebert APM Plus User Manual...
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