6
Observe all warnings and safety precautions as
well as all local electrical codes and the National
Electrical Code (NEC).
WARNING
!
Bottom Access Panel Removal
The bottom access panel of the option enclosure must be
removed prior to installation to provide access to the
electrical cabling. The bottom panel is divided into sections.
Remove the desired panel sections, as required, by
removing the set screws holding the panel in place. Protect
the electrical cables and connection wiring against damage
during installation.
Mounting Option Enclosure to Base
Align the holes on the bottom of the option enclosure with
the corresponding holes on the mounting base. Fasten the
enclosure to the base with the attaching hardware supplied
with the option enclosure.
Electrical Connections
Wire the option enclosure to the VLT drive in accordance
with the following procedure.
1. Connect input power cables (typically labeled 5L1, 5L2,
and 5L3) to drive input power connections R/L1, S/L2,
and T/L3 (terminals 91, 92, and 93). Refer to customer
connection diagram for details.
2. Connect output power cables (typically labeled 2T1, 2T2,
and 2T3) from option to drive output connection U/T1,
V/T2, and W/T3 (terminals 96, 97, and 98). Refer to
customer connection diagram for details.
3. Connect control wires (provided loose in bottom of option
enclosure) to VLT drive control terminals in accordance
with schematic diagram provided with option.
Connect the drive and option assembly to the building
electrical system in accordance with the following procedure.
1. Connect 3-phase AC input power to option enclosure
terminals L1, L2, and L3. Connect ground wire to ground
terminal inside of option enclosure.
2. Connect 3-phase AC motor leads to option enclosure
terminals T1, T2, and T3. Connect motor ground to
ground terminal inside of option enclosure.
3. Connect external control wires to drive and option in
accordance with customer connection diagram provided
with option. Note that terminal block TB1 (TB2, etc.) is
located in option enclosure.
Operating Instructions
See the
Installation, Operation and Maintenance Manual
(document number 23-6108-00) for the VLT 6000 Adjustable
Frequency Drive for operating instructions.
