Page W–3
DURApulse GS4 AC Drive User Manual – 1st Ed, Rev A - 10/20/2017
Warnings
Warning: read This manual Thoroughly before using durapulse series aC moTor drives.
Warning: aC inpuT poWer musT be disConneCTed before performing any mainTenanCe. do noT
ConneCT or disConneCT Wires or ConneCTors While poWer is applied To The CirCuiT. mainTenanCe musT be
performed only by a qualified TeChniCian.
Warning: There are highly sensiTive mos ComponenTs on The prinTed CirCuiT boards, and These
ComponenTs are espeCially sensiTive To sTaTiC eleCTriCiTy. To avoid damage To These ComponenTs, do noT
TouCh These ComponenTs or The CirCuiT boards WiTh meTal objeCTs or your bare hands.
Warning: a Charge may sTill remain in The dC-link CapaCiTor WiTh hazardous volTages, even if The
poWer has been Turned off. To avoid personal injury, do noT remove The Cover of The aC drive unTil
all “display led” lighTs on The digiTal keypad are off. please noTe ThaT There are live ComponenTs
exposed WiThin The aC drive. do noT TouCh These live parTs.
Warning: ground The durapulse aC drive using The ground Terminal. The grounding meThod musT
Comply WiTh The laWs of The CounTry Where The aC drive is To be insTalled. refer To “basiC Wiring
diagram” in ChapTer 2.
Warning: The mounTing enClosure of The aC drive musT Comply WiTh en50178. live parTs shall be
arranged in enClosures or loCaTed behind barriers ThaT meeT aT leasT The requiremenTs of The proTeCTive
Type ip20. The Top surfaCe of The enClosures or barrier ThaT is easily aCCessible shall meeT aT leasT The
requiremenTs of The proTeCTive Type ip40. users musT provide This environmenT for durapulse series
aC drive.
Warning: The aC drive may be desTroyed beyond repair if inCorreCT Cables are ConneCTed To The inpuT/
ouTpuT Terminals. never ConneCT The aC drive ouTpuT Terminals T1, T2, and T3 direCTly To The aC main
CirCuiT poWer supply.
all durapulse drives require a symmeTriCal 3-phase poWer sourCe.
do noT ConneCT Them To grounded, CenTer-Tapped delTa Transformers of The Type TypiCally used for
lighTing CirCuiTs.
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