4
When installing the equipment, it should ensure that the sum of the leakage
currentoftheUPSandtheconnecteddevicesdoesnotexceed3.5mA.
1-4
Operation
Do not disconnect the mains cable on the UPS system or the building wiring
outlet(shockproofsocketoutlet)duringoperationssincethiswouldcancelthe
protectiveearthingoftheUPSsystemandofallconnectedloads.
The UPS system features its own, internal current source (batteries). The UPS
outputsocketsoroutputterminalsblockmaybeelectricallyliveeveniftheUPS
systemisnotconnectedtothebuildingwiringoutlet.
InordertofullydisconnecttheUPSsystem,firstpresstheOFF/Enterbuttonto
disconnectthemains.
PreventnofluidsorotherforeignobjectsfrominsideoftheUPSsystem.
1-5
Maintenance, service and faults
TheUPSsystemoperateswithhazardousvoltages.Repairsmaybecarriedout
onlybyqualifiedmaintenancepersonnel.
Caution
- risk of electric shock. Even after the unit is disconnected from the
mains (building wiring outlet), components inside the UPS system are still
connectedtothebatteryandelectricallyliveanddangerous.
Before carrying out any kind of service and/or maintenance, disconnect the
batteriesandverifythatnocurrentispresentandnohazardousvoltageexistsin
theterminalsofhighcapabilitycapacitorsuchasBUS-capacitors.
Only persons are adequately familiar with batteries and with the required
precautionary measures may replace batteries and supervise operations.
Unauthorizedpersonsmustbekeptwellawayfromthebatteries.
Caution
-riskofelectricshock.Thebatterycircuitisnotisolatedfromtheinput
voltage.Hazardousvoltagesmayoccurbetweenthebatteryterminalsandthe
ground.Beforetouching,pleaseverifythatnovoltageispresent!
Batteriesmaycauseelectricshockandhaveahighshort-circuitcurrent.Please
take the precautionary measures specified below and any other measures
necessarywhenworkingwithbatteries:
-removewristwatches,ringsandothermetalobjects
-useonlytoolswithinsulatedgripsandhandles.
Whenchangingbatteries,installthesamenumberandsametypeofbatteries.
Donotattempttodisposeofbatteriesbyburningthem.Thiscouldcausebattery
explosion.
Donotopenordestroybatteries.Escapingelectrolytecancauseinjurytotheskin
andeyes.Itmaybetoxic.