User Manual
Hipulse - Single Phase ‘1+N’ UPS System | 130 kVA - 110V |
5.5Procedure for Switching the UPS ON from a Maintenance Power condition.
Follow the procedure for 'UPS startup: without interrupting power to the load' referring to the paragraph 5.2, start from point number 2.
5.6Procedure for completely powering down the UPS
This procedure should be followed to completely power down the UPS and LOAD. All power switches, isolators and circuit breakers will be opened and there will be no load power.
CAUTION
The following procedure will switch off all power to the load equipment.
LOAD ON BYPASS BATTERY C.B. OPEN RECTIF. SWITCH OPEN
hh.mm.ss dd.mm.yy
1.Open the Battery circuit breaker and the Rectifier input power switch Q1.
The Module Mimic indicator Load on Inverter (5) will extinguish and the Load on Bypass indicator (6) will flash amber. The Battery not available indicator
(3)will light amber and the battery bargraph LED’s will all extinguish.
The display window will show messages reflecting the actions taken (i.e. Load on Bypass; Battery Breaker open; Rect. Switch open; etc).
Note: In ECOMODE the message 'LOAD ON BYPASS' will not appear.
2.Open the Output power switch Q4 and the bypass power switch Q2.
All operator LED indications and messages will extinguish as the mains driven internal power supplies decay.
3.To completely isolate the UPS from the a.c. supplies, the main external power input isolator (both isolators, where separate supplies are provided for rectifier and bypass) should be opened.
On the primary input distribution panel, which is often located distant from the UPS area, a label should be posted advising service personnel that the UPS circuit is under maintenance.
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