ABB CPS6000 Snelstarthandleiding - Pagina 2
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Step # 1 – Connect DC Reference (CO) Ground
Use a 1/4" diameter double-hole lug on 5/8"center (Not provided) to ground the chassis as shown in the figure
below. Torque connection to 65 in-lbs. The DC reference ground is connected to the return bus as shown below.
Use a 3/8" diameter double-hole lug on 1" centers (Not provided).
Step # 2 – Connect AC Input cords
Each Rectifier shelf comes equipped with rear access terminal blocks and conduit fittings for ac connection.
The AC feeds may be either 110 VAC or 208/220VAC depending on the rectifier type used.
Caution:
Ensure ac power is OFF and use appropriate lock-out tag-out procedures before continuing with ac
connections.
Caution:
When connecting to utility source, ensure all local and national wiring rules are being complied with.
Caution: When routing AC cables ensure cable does not come in contact with sharp or rough surfaces that may
damage insulation and cause a short circuit. Make sure cable does not come in contact with any pinch
points such as doors.
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DC Reference
Ground
Chassis (safety)
CPS6000_Series II External Distribution_QSG
Ground
Version 2.0