GAMATRONIC,
A
S
OLAR
E
DGE
D
IVISION
Centric Installation Guide, rel. 4.7
17
3.2.4.2
AC INPUT AND OUTPUT CONNECTIONS
WARNING! RISK OF ELECTRICAL SHOCK OR INJURY!
INSTALLATION MAY BE PERFORMED BY QUALIFIED TECHNICIAN ONLY!
WARNING! HIGH TOUCH CURRENT!
EARTH CONNECTION ESSENTIAL BEFORE CONNECTING SUPPLY.
WARNING
A
LL
IT
INSTALLATIONS SHALL REQUIRE AN ISOLATION
INPUT TRANSFORMER
.
T
HE SYSTEM WORKS WITH ALL
TN-X-X
AND
TT
INSTALLATIONS
.
A
LL
PE
BONDING OF THE SYSTEM MUST COMPLY WITH
LOCAL CODE IN ACCORDANCE TO THE GIRD TYPE
.
The UPS can be connceted to any class 3 infertsructure, the UPS provides calss 2 input
lightning protection and class 1 output protection while operating in normal mode. For dual
feed insallation, the installer is required to add a separate lightning protector in the bypass
input circuit breaker cabinet.
Before connecting the main input and output cables to the
Centric
main terminals, verify that the circuit
breakers on the feed board are in the OFF position.
Connect the rectifier ac input, bypass ac input, and ac output cables to the
Centric
.
Refer to Figure 8 or Figure 9, and to Figure 4 and Figure 6 below. The lower rear panel of the Centric must
be removed for access to the main terminals.
To the electrical board to which the UPS is connected, affix a sign or label with the following
content:
WARNING:
There is a UPS attached to this electrical board. The UPS’s neutral line also
serves as its ground connection. To avoid electric shock, DO NOT DISCONNCECT THE
UPS’s NEUTRAL LINE WHEN THE UPS IS OPERATING.
In the event that the UPS has been disconnected from the ac mains for four months or
longer following its delivery to the customer site, the UPS must be connected to the ac
mains and operated with no load for a period of four hours, before applying a load.
Any connection diagrams and/or installation instructions in this document are Gamatronic's
recommendation for connecting the UPS to the infrastructure of a typical customer site. These
recommendations are subject to modification, if such modification is necessary to bring the
installation into compliance with the local, state, provincial, or national electrical laws and
regulations in effect at the installation site, in whatever country that may be.
