Newave_OPM_PV11_PV31 _GB_250805.doc Installation
Page 14
3.6.12 Cabling of POWERVALUE 7.5, 10, 12, 15 and 20kVA with THREE PHASE INPUT
NOTE: Before you start cabling your UPS POWERVALUE make sure you have determined
the correct Version with the right POWER and INPUT CONFIGURATION.
NOTE:
THIS UPS COMES (STANDARD VERSION) WITH A SINGLE CABLE FEED (FOR
RECTIFIER AND BYPASS). IF DUAL FEED IS REQUESTED PLEASE CONTACT YOUR
SERVICE OFFICE BEFORE PERFORMING ANY CABLING OF UPS.
3.6.13 Connection Diagram
To ensure correct operation of the UPS and its ancillary equipment it is necessary to provide the mains
cables with appropriate fuse protection.
To connect the
PowerValue
TM
to the mains power supply see Figures 2 and 3.
ALL THE OPERATIONS IN THIS MANUAL MUST BE PERFORMED BY AUTHORISED
ELECTRICIANS OR BY QUALIFIED INTERNAL PERSONNEL.
DO NOT OPERATE IN CASE OF PRESENCE OF WATER OR MOISTURE.
BY OPENING OR REMOVING THE UPS-COVERS YOU RUN RISK OF EXPOSURE TO
DANGEROUS VOLTAGES!
3.6.14 Preparation for the Three Phase Input Cabling
Before you start connecting the UPS, ensure that:
•
MAINS VOLTAGE (INPUT VOLTS) AND FREQUENCY (FREQUENCY) CORRESPOND
TO THE VALUES INDICATED ON THE NAMEPLATE OF THE UPS.
•
EARTHING IS PERFORMED IN ACCORDANCE WITH THE PRESCRIBED IEC
STANDARDS OR WITH LOCAL REGULATIONS;
•
UPS IS CONNECTED TO THE MAINS THROUGH A LV-DISTRIBUTION BOARD WITH A
SEPARATE MAINS LINE (PROTECTED WITH A CIRCUIT BREAKER OR FUSE) FOR
THE UPS.
Provide input breaker and cables according to the indications in TECHNICAL SPECIFICATIONS at the
end of this USER MANUAL or in accordance with the prescribed IEC Standards or in accordance with
the local regulations.
The input of the UPS must be fitted with circuit breakers or other kind of protection. The circuit
breakers will be connected between the mains supply and the UPS and will provide additional
protection to the UPS in the event of overloads and short circuits.
3.6.15 Earthing
ALL THE OPERATIONS IN THIS MANUAL MUST BE PERFORMED BY AUTHORISED
ELECTRICIANS OR BY QUALIFIED INTERNAL PERSONNEL.
To ensure protection of personnel during the installation of UPS make sure that the connections are
performed under the following conditions:
•
No mains voltage is present;
•
Loads are shut down and disconnected;
•
UPS
PowerValue
TM
is shut down and voltage-free.
Maintenance Bypass (MANUAL BYPASS) is open in position OFF
1) Unscrew both screws of the terminal cover plate (4) and remove the terminal cover plate.
2) Carefully remove terminal cover plate (4) and don’t pull on the earthing wire (5). If necessary the
earthing wire may be removed during the cabling. When the cabling has been performed the earthing
wire must be connected again.
3) Connect the earthing wire coming from the LV-Distribution Board to the terminal "PE".
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