End Covers; Cleaning; Putting Into Service - ABB UniGear ZS2 UniSafe 36 Installation And Maintenance Instructions Manual

2.10 End covers

Ref: ABB dwg:1YTW572721-100
Fig:2.10.1
Towards the end of installation assemble the end covers at the right and left extremities .

2.11 Cleaning

After the installation of the main circuit before closing the enclosure covers and doors the cubicles have to
be checked and if necessary carefully cleaned. Busbars insulation, epoxy insulation and bushings should
be wiped dry and vacuum-cleaned.

3 PUTTING INTO SERVICE

All operations for putting into service must be carried out either by ABB personnel or other skilled
personnel authorized by the user organization.
!
CAUTION! Untill putting into service by authorized and skilled personnel the switchgear must not
be energized. The earthswitches must be closed all the time until the regular energising.
Related personnel for putting into service should consider the below referred instructions:
Installation and service instructions, HD4
ABB doc. no: ITNIE647016-003
Installation and maintenance instructions
Installation and maintenance instructions, UniSafe CHAPTER-11
UniGear type ZS2
CHAPTER-8
ABB doc. no: ITNIE647647-001
UniSafe-36 1YTW571780-012 Rev:E 01-2005 en Page: 18 of 25