Electrical Connection - GE LP 33 Series Operating Manual

5.8

ELECTRICAL CONNECTION

WARNING !
The connections to and from the UPS must be executed by QUALIFIED PERSONNEL
ONLY.
Refer to the "Safety prescriptions" described on Section 1.
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 put in order and fixed, taking care to avoid risk of short-circuit
between different poles.
•
The earthing and neutral connection of the electrical system must be in accordance with local
regulations.
•
In case of additional cabinets containing batteries, filters, input/ output transformers, etc, the earth
must be connected to the UPS main earth.
•
Once the power cables have been connected, re-install the internal safety shields and close the
cabinets by re-installing all external panels.
ON
OFF
OFF
D
Fig. 5.8-1 LP 33 Series 60 - 80 kVA
Power IN / OUT connections
Access to the AC terminals
1 - Open the front door "A" of the UPS cabinet.
2 - Remove the front panel "B".
3 - Cut an opening into rubber "C" to allow cable passage.
4 - Fix the cables on profile "D" with the enclosed cable ties.
NOTE !
For UPS correct operation, the input mains phase rotation must be clock-wise.
Modifications reserved
OPM_LPS_33E_60K_M12_2GB_V010.doc
A
ON
C
B
ON
Q1
ON OFF
Q2
OFF
C
D
B
Fig. 5.8-2 LP 33 Series 100 - 120 kVA
Power IN / OUT connections
Operating Manual LP 33 Series 60-80-100-120 kVA / S2
A
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