Notes To Installer; Electrical Connections; Transfer Switches With Adjustable Over Current Protection - THOMSON TS 830 Service Manual

3.

NOTES TO INSTALLER

Before opening the transfer switch enclosure to perform any service task, or to manually transfer the
mechanism, it is imperative to isolate the transfer switch from any possible source of power. Failure
to do so may result in serious personal injury or death due to electrical shock.
All installation and/or service work performed must be done by qualified
personnel only. Failure to do so may cause personal injury or death.
3.1.

ELECTRICAL CONNECTIONS

To ensure satisfactory installation of this equipment be sure to observe "Cable Terminal
Information" regarding power cable connection tightness located in this manual.
All mechanical and electrical connections must be checked for tightness prior to placing this
equipment in service to ensure proper operation and to validate applicable warranty
coverage.
3.2. TRANSFER SWITCHES WITH ADJUSTABLE OVER CURRENT
PROTECTION
Standard models of automatic transfer switches incorporate integral over current protection.
Transfer switches rated 1000A or higher are supplied with adjustable over current protection
trip units. For models of transfer switch with integral over current protection, the over current
protection must be set prior to operation. The equipment will be shipped from the factory
with a long-time current setting of 100% (of the equipment rating) and maximum short-
time/instantaneous current and time delay settings.
Refer to Section 5.1.3 of this manual for additional information on operation of the Transfer
switch following an over current trip condition.
PM059 REV 6 08/05/05
TS 830 TRANSFER SWITCH
CAUTION!!!
WARNING!
Do Not Energize this equipment until
device settings have been verified to
ensure proper system protection &
coordination. Failure to do so may
result in equipment failure.
2 Thomson Technology