GE Industrial Solutions LP33 Series 80 & 100 Installation Guide - Manual (Page 21)

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OPM_LPS_3UI_80K_M10_1US_V010.doc Installation Guide LP33 Series 80 & 100 UL S1
3.7 ELECTRICAL WIRING
WARNING !
UPS installation and connection must be performed by QUALIFIED SERVICE
PERSONNEL only.
It is the responsibility of the installation technician to ensure that all local and
national electric codes are adhered to.
3.7.1 Utility input connection
WARNING !
Ensure that the AC and DC external isolators are OFF and locked out to prevent their
inadvertent operation.
Do not apply power to the equipment prior to the commissioning by a qualified
service engineer.
Before any other input connection, connect and check the grounding wire.
The UPS has availability of input terminations for the Rectifier and Bypass.
The unit may be powered from a common input source or dual input sources (option).
Common input Rectifier & Bypass
Fig. 3.7.1-1 Common Input Rectifier & Bypass
The same power source is to
be used for both Bypass
Supply and Rectifier Input
(input F1).
Bear in mind that when the
Utility Fuses are opened
there is a supply failure to
the Rectifier as well as to the
Bypass and Manual Bypass.
Dual input Rectifier & Bypass (option)
Fig. 3.7.1-2 Dual Input Rectifier & Bypass (option)
The Bypass and Rectifier
inputs are to be powered
from different Utility supplies
(F2 and F3 inputs).
In this case, when the
Rectifier Input Fuses are
opened, the Bypass and the
Manual Bypass are supplied
by the other source.