Critical Power
Modifications reserved
Page 30/53
GE_UPS_ISG_TLE_SUL_40K_M15_1US_V010.docx
Installation Guide TLE Scalable Series 40 - 150 UL S1
4.8
WIRING CONNECTION
WARNING !
UPS installation and connection must be performed by QUALIFIED SERVICE
PERSONNEL only.
Refer to the “
Safety prescriptions - Installation
” described on
Chapter 1
.
In case of UPS equipped with options or customized parts not covered by this
manual, please consult the appropriate technical documentation before proceeding
with electrical connections.
Carefully read the following recommendations before proceeding:
•
Ensure that the AC and DC external isolators are Off, and prevent their inadverted operation.
•
Do not close any external isolators prior to the commissioning of the equipment.
•
The input/output cables must be connected in clockwise phase rotation for both Bypass and
Rectifier Input Bars
if separate, taking care to avoid risk of short circuit between different poles.
•
The grounding and neutral connection of the electrical system must be in accordance with local
regulations.
•
In case of additional cabinets containing batteries, input/ output transformers, etc, their ground
terminals must be connected to the UPS main ground terminal.
•
Once the power cables have been connected, re-install the internal safety shields and close the
cabinets by re-installing all external panels.
Fig. 4.8-1 TLE Scalable Series 40 -150 - Access to connection bus bars
TLE Scalable Series 40 – 150
Access to the bus bars for
the cable connections
To access Input, Output and
Battery
connections proceed
as follows:
•
Remove the front
protection panel “
A
”
.
•
Remove
the front
protection panel “
B
”
with
the handle of the switch
Q1
.
•
Remove the plate “
C
”
to
make the holes for the
input and output cables.
NOTE !
For UPS correct operation, the input utility phase rotation must be clock-
wise.
Utility input & Battery / Output load
B
A
TLES
_UL
_04
0-150_
S1_
UPS
conne
ction_
01US
EP
O
EP
O
-
+
XA
Q1
Q1
I ON
0
OF
F
Please remove the plate (C)
before drilling any holes
C