Chapter 2 Installation and Wiring

DANGER!

1.A charge may still remain in the DC bus capacitors with hazardous voltages even if the power has been turned off. To prevent personal injury, please ensure that the power is turned off and wait ten minutes for the capacitors to discharge to safe voltage levels before opening the AC motor drive.

2.Only qualified personnel familiar with AC motor drives is allowed to perform installation, wiring and commissioning.

3.Make sure that the power is off before doing any wiring to prevent electric shock.

2.1 Wiring

Users must connect wires according to the circuit diagrams on the following pages. Do not plug a modem or telephone line to the RS-485 communication port or permanent damage may result. The pins 1 & 2 are the power supply for the optional copy keypad only and should not be used for RS-485 communication.

2-2

Revision August 2008, 2ELE, V1.02

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Delta Electronics VFD-EL manual Wiring