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Start-up
Contents of this chapter
This chapter contains the start-up procedure of the brake unit. The symbols in brackets, for
example [Q1], refer to the item designations used in the circuit diagrams.
These instructions do not cover all start-up tasks of all possible variants of the brake unit.
Always refer to the unit-specific circuit diagrams when proceeding with the start-up.
Start-up procedure
Tasks
Safety
WARNING!
Obey the safety instructions during the start-up procedure. See Safety instructions for ACS880
multidrive cabinets and modules (3AUA0000102301 [English]). If you ignore the safety instruc-
tions, injury or death, or damage to the equipment can occur.
If you are not a qualified electrical professional, do not do installation or maintenance work.
Note: Some brake resistors are coated with oil film for protection. The protective oil will burn off
when the brake resistor is used for the first time. Make sure that there is proper ventilation.
Installation checklist
Make sure that the installation has been inspected. See the installation checklist.
Make sure that the insulation of the resistor circuit has been measured and is OK.
Supply and inverter units
Make sure that the supply unit of the drive system has been installed and started up according
to the instructions in its hardware manual.
Start-up 69
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