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PowerPro HP300 Series User Manual
IV. OPERATING INSTRUCTIONS
4.1 Introduction
NOTE1:
All the user controls and indicators mentioned in these procedures are identified in chapter 1. For to
make easier to understand some of the procedures there are repetitions.
NOTE2:
The audible alarm may annunciate at various points in these procedures.
4.2 Procedure For Switching The UPS To Power The Load From a Power-Off Condition
TURN ON THE UPS
By applying this procedure UPS returns to normal operation, during its completely shutdown.
ATTENTION!!!
The following action will apply power to the load equipment.
1.
Open the UPS doors to gain access to the main power switches.
2.
Make sure that the
S3
switch (maintenance bypass) is in “
0
” (OFF) position.
3.
Turn on the rectifier input fuses (F1-F2-F3) and inverter input switch S1 , by bringing them into “
1
” (ON)
position. (Upwards)
4.
Turn on the static by-pass switch S2 into “
1
” (ON) position.
5.
Turn on the
S4
fuse/switch (UPS output), into ”
1
” (ON) position.
RECTIFIER START! : Rectifier is working and static bypass continues to feed the load.
INVERTER START! : Inverter is working and static bypass continues to feed the load.
STATUS NORMAL! : The UPS is operating normally its inverter supplying the outlet.
6.
Turn on the
BATT.(+)
and
BATT.(-)
fuses into “
1
” (ON) position. By this way it is ensured to
connect the battery group to the UPS.
7.
Your UPS system is ready to use. You can start up your PC., printer etc.