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maintenancepersonnel.
★Earthconnection essentialbeforeconnecting tothe building wiring terminal.
1.2Operation
★DonotdisconnectthemainscableontheUPS orthe buildingwiring socket
(grounded shockproofsocket)during operationasthiswouldremovethe ground to
the UPS and of all connected loads.
★The UPS outputsocketoroutputterminalblockmaybe electricallylived even ifthe
UPS systemisnot connected tothe building wiring terminal.
★Inordertofullydisconnect theUPS,firstpressthe Standbybutton, thendisconnect
the mainslead.
★Ensurethat no liquidorotherforeign objectscan enterthe UPS.
★The UPS can be operated byanyindividualswithno previousexperience.
1.3Maintenance, servicing and faults
★The UPS operateswithhazardousvoltages.Repairsmaybe carried outonlyby
qualified maintenancepersonnel.
★Caution-risk ofelectricshock.Even aftertheunit isdisconnected fromthe mains
powersupply(buildingwiring socket),componentsinside the UPS arestill
connected tothe batterywhicharepotentiallydangerous.
★Beforecarryingoutanykind ofserviceand/ormaintenance,disconnectthe
batteries.Verifythatnocurrentispresentandnohazardousvoltageexistsinthe
capacitororBUScapacitorterminals.
★Batteriesmust be replaced onlybyqualified personnel.
★Caution-risk ofelectricshock.The batterycircuitisnotisolated fromthe input
voltage.Hazardousvoltagesmayoccurbetween the batteryterminalsandthe
ground. Verifythat no voltage ispresent beforeservicing!
★Batterieshaveahigh short-circuitcurrentand posearisk ofshock.Takeall
precautionarymeasuresspecifiedbelowand anyothermeasuresnecessarywhen
working withbatteries:
removeall jewellery, wristwatches, ringsand othermetalobjects
useonlytoolswithinsulated gripsand handles.
★Whenchangingbatteries,replacewiththesamequantityandthe sametype of
batteries.
