Chapter 4 Wiring - Delta C2000 series User Manual

After removing the front cover, examine if the power and control terminals are clearly noted. Please read
following precautions before wiring.
Make sure that power is only applied to the R/L1, S/L2, T/L3 terminals. Failure to comply may result
in damage to the equipments. The voltage and current should lie within the range as indicated on
the nameplate (Chapter 1-1).
All the units must be grounded directly to a common ground terminal to prevent lightning strike or
electric shock.
Please make sure to fasten the screw of the main circuit terminals to prevent sparks which is made
by the loose screws due to vibration
It is crucial to turn off the AC motor drive power before any wiring installation are
made. A charge may still remain in the DC bus capacitors with hazardous voltages
even if the power has been turned off therefore it is suggested for users to measure
DANGER
the remaining voltage before wiring. For your personnel saftery, please do not
perform any wiring before the voltage drops to a safe level < 25 Vdc. Wiring
installation with remaninig voltage condition may caus sparks and short circuit.
Only qualified personnel familiar with AC motor drives is allowed to perform
installation, wiring and commissioning. Make sure the power is turned off before
wiring to prevent electric shock.
When wiring, please choose the wires with specification that complys with local
regulation for your personnel safety.
Check following items after finishing the wiring:
1.
2.
3.
Are all connections correct?
Any loosen wires?
Any short-circuits between the terminals or to ground?

Chapter 4 Wiring

4-1
Chapter 4 Wiring|C2000 Series