Samlexpower PST-1000-12 Owner's manual - Section 8 |
34 | SAMLEX AMERICA INC.
SAMLEX AMERICA INC. | 35
seCtIOn 8 |
Installation
Providing Backup Power Using transfer Switch
forthisapplication,useaTransferSwitchthathasDoublePole,DoubleThrowContacts
likeinSamlexAmerica,Inc.TransferSwitchModelNo.STS-30.ThistypeofTransfer
SwitchwillbeabletoswitchboththeHotandtheNeutralandwillpreventtrippingof
theGfCIduetoNeutraltoGroundbondintheUtilitypower:
- feed utility power and output power from the inverter to the two inputs of the Trans-
fer relay
- feedtheoutputoftheTransferSwitchtoaSub-PaneltofeedACloadsrequiring
backuppower
- Donotbond(connect)theNeutralandtheGroundintheSub-Panel
- WhenUtilitypowerisavailable,the2polesoftheTransferSwitchwillconnectthe
HotandNeutraloftheUtilitypowertotheHotandNeutralintheSub-Panel.The
NeutraloftheSub-PanelwillbebondedtotheEarthGroundthroughtheMainUtility
SupplyPanel.AstheNeutraloftheinverterwillbeisolatedfromtheNeutralofthe
utilitypower,theNeutraloftheGfCIoutputwillnotbebondedtotheEarthGround
andtheGfCIwillnottrip
- WhentheUtilitypowerfailsorisinterrupted,theHotandtheNeutraloftheGfCIwill
beconnectedtotheHotandNeutraloftheSub-Panel.AstheNeutralisnotbonded
toEarthGroundintheSub-Panel,theGfCIintheinverterwillnottrip.
Grounding to earth or to other designated ground
forsafety,groundthemetalchassisoftheinvertertotheEarthGroundortotheother
designatedground(forexample,inamobileRV,themetalframeoftheRVisnormally
designatedasthenegativeDCground).AnequipmentgroundingLug(7)hasbeenpro-
vided for grounding the metal chassis of the inverter to the appropriate ground.
Whenusingtheinverterinabuilding,connecta10mm
2
orAWG#8insulatedstranded
copperwirefromtheaboveequipmentgroundinglugtotheEarthGroundconnec-
tion(aconnectionthatconnectstotheGroundRodortothewaterpipeortoanother
connectionthatissolidlybondedtotheEarthGround).Theconnectionsmustbetight
againstbaremetal.Usestarwasherstopenetratepaintandcorrosion.
WhenusingtheinverterinamobileRV,connecta10mm
2
orAWG#8insulated
stranded copper wire from the above equipment grounding lug to the appropriate
groundbusoftheRV(usuallythevehiclechassisoradedicatedDCgroundbus).The
connectionsmustbetightagainstbaremetal.Usestarwasherstopenetratepaintand
corrosion.
optional Wired Remote control
AnoptionalWiredRemoteControlModelNo.RC-15A(with16.5ft./5metrecable),is
availableforswitchingoNandswitchingoff.TheremotehasLEDindicationssimilar
totheindicationsonthefrontpanel(2,3,4infig.61).ReadRemoteControlManualfor
details.