WÄRTSILÄ JOVYSTAR HP 200 kVA Operating Manual

WÄRTSILÄ JOVYSTAR HP 200 kVA Operating Manual Manual pdf 33 page image

Wärtsilä JOVYSTAR HP 200-800kVA BAX 4640 E - 33 -b. Control the phase rotation voltage.c. Check that the voltage and frequency are within the tolerance limits.6. After Step #7 the display does not go on to Step #8 and the alarm A7 – BCB OPEN is displayed.a. Check the battery fuses.b. Control the inter-connection between the auxiliary contact of the battery switch (in the external cabinet)and the clamps Bac1-Bac2 of the UPS.WARNING:Please contact our Service department after a failure. WÄRTSILÄ JOVYATLAS EUROATLAS does nottake over any liability for late error reports.5.2 Shut down procedureNr. ACTION LCD DISPLAY UPS OPERATION1 Open OCB A30 GENERAL ALARM The supply to the load is interrupted. LED #7 lit orange2 Open BCB A30 GENERAL ALARM The battery is disconnected from the rectifier. LED #4 flashing red light.3 Open SBCB A30 GENERAL ALARM The bypass line is disconnected. LED #2 off.4 Open RCB A30 GENERAL ALARM Booster and Inverter are switched off.5 BLANK End of shut down procedure.CAUTION:Even at switched off input mains, a dangerous high voltage is still present inside the UPS!5.3 Starting the Parallel Redundant SystemAt commissioning of UPS units in parallel-redundant operation the SLAVE-UPS(s) have to be started first exactly in thesame manner it is described for a single unit. The last UPS to be started is the master-UPS.5.4 Switch Off the Parallel Redundant SystemAll instructions also apply for parallel-redundant operation.5.5 Manual bypass procedureATTENTION:Switching the MBCB in a wrong sequence could lead to a blackout for the loads. The use of the manualbypass is only designated for qualified personnel. Please consult our service department or your dealerbefore using the manual bypass!We strongly point out that the load is not supplied with a secure power-supply when using either theinternal or an external bypass. A mains blackout could lead to an interruption of the power-supply to theload.The UPS has to operate synchronously to the mains if you want to activate the manual bypass. This is guaranteed if thestatus S5 is active!Nr. ACTION LCD DISPLAY UPS OPERATION1 Move the bypassselector SW to BYPASS A30 GENERAL ALARM The load is transferred to the bypass line. LED #5 off, LED #6 litorange.2 Close MBCB A30 GENERAL ALARMThe inverter is switched off. The load is supplied by the input mainsthrough the manual bypass switch. The static bypass switch is stillclosed. Led #8 lit orange.3 Open BCB A30 GENERAL ALARM The battery is disconnected from the DC bus bar. Led #4 red flash-ing.4 Open RCB A30 GENERAL ALARM The supply input is opened; the rectifier shuts down. LED #1 off.5 Open OCB A30 GENERAL ALARM The load remains fed by the manual bypass switch. LED #8 off.6 Open SBCB A30 GENERAL ALARM The bypass line is disconnected. The display goes out.