Main Circuit Breaker (Mcb); Input Transformer Checklist - ABB ACS6000 User Manual

7.6.2 Electrical installation checklist (continued)
7) Wiring across shipping splits is completed according to the
instructions in this user manual (3BHS212794 E01 Rev M).
8) Ground cable of the drive is securely connected at both ends.
9) Cable armor and screens of power supply cables are connected
to PE ground busbar.
10) The transformer and motor cables are installed but the
conductors not connected at both ends (cables and drive must
be insulation resistance tested, ie, Megger test,
before connection).
7.6.3

Main circuit breaker (MCB)

1) MCB selected as per "Main circuit breaker specification"
2) High-voltage power connections completed
3) MCB is ready to be tested with drive
4) MCB protection relay settings are tested
5) Protection devices (eg, door locks) are tested and in operation.
6) Local operation of MCB is disabled.
7) Emergency-off loop is tested.
(1)
Pay attention to MCB opening time and installation of undervoltage coil or second
opening coil
7.6.4

Input transformer checklist

1) Grounding is completed
2) Transformer auxiliaries (eg, dehydrating breathers, cooling,
protection devices) are ready.
3) Protection devices are tested and in operation.
3BHS212794 E01 REV M ACS6000 USER MANUAL
07 COMMISSIONING
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