ABB ACH550 User Manual page 14

12
Install the Line Input Wiring (Supplement to ACH550-UH User's Manual)
Line Input Connections – Vertical E-Bypass
Configurations
Connect the input power to the terminals
at the bottom of the disconnect switch or
circuit breaker as shown below. Also see
"Connection Diagrams – Vertical
E-Bypass" on page 9. Connect the
equipment grounding conductor to the
ground lug near the input power
connection point.
Line Input Connections – Standard E-Bypass Configurations
Connect input power to the terminals of the disconnect switch or circuit breaker.
Connect the equipment grounding conductor to the ground lug at the top of the
enclosure. The figure below shows the connection points for Standard E-Bypass
configurations. Also see "Connection Diagrams – Standard E-Bypass (R7/R8, Floor
Mounted)" on page 11 for R7 or R8.
WARNING! Check the motor and motor wiring insulation before connecting
the ACH550 to line power. Follow the procedure in the ACH550-UH User's
Manual. Before proceeding with the insulation resistance measurements,
check that the ACH550 is disconnected from incoming line power. Failure to
disconnect line power could result in death or serious injury.
Installation
Standard Configuration (R5, R6)
E-Bypass Configurations for ACH550 Drives
Gnd
Input Power Cable
BP0043
Input Power Cables
Ground
BP0044
BP0041
Standard Configuration (R1...R4)