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Zenith ZBTS T-series 100-1200A, INSTALLATION AND OPERATING INSTRUCTION
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7. Installation
This equipment must only be installed by qualified electrical
personnel. Disconnect all sources of electrical supply before
performing installation. Consider all sources of power,
including the possibility of backfeeding.
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7.1 Final System Inspection
Prior to energizing the automatic transfer
switch:
1 Use a vacuum cleaner to remove all
debris caused by transport or
installation.
2 Verify that all cabled connections are
correct and that phase rotation of
both sources match.
3 Check engine start connections.
4 Verify the correct connections of all
control wires.
5 Adjust any optional accessories as
required.
6 Check the lug torque values of the
power connections, see the lug
torque values in table 7.1.
7 Make sure that all covers and barriers
are installed and properly fastened.
Each ABB Zenith Bypass-isolation auto-
matic transfer switch is factory wired and
tested. A complete information package
is furnished with each switch which
includes:
• Sequence of operation.
• Description and operation of all acces-
sories supplied.
• Control panel connection diagram and
schematic.
• Description and identification of all cus-
tomer field connections.
Installation of ABB Zenith Bypass-isola-
tion automatic transfer switch includes:
• Mounting the Bypass-isolation transfer
switch cabinet/enclosure.
Warning
Do not use a blower since debris may become
lodged in electrical and mechanical compo-
nents and may cause damage and malfunction
of the switch.
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