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PM SERIES
UDD-SD-125/
Release Date: 20.01.2015/Rev No: 0/Rev.
Date
:
19
WARNING!
If the load equipment is not ready to accept power on the arrival of the
commissioning engineer then ensure that the system output cables are safely
isolated at their ends
Connect the safety earth and any necessary bonding earth cables to the copper
earth screw located on the floor of the equipment below the power connections.
All cabinets in the UPS must be grounded properly.
CAUTION!
The earthing and neutral bonding arrangement must be in accordance with local
and national codes of practice.
3.9 Battery Connection
The UPS adopts positive and negative double battery framework, total 32(optional
34/36/38/40) in series. A neutral cable is retrieved from the joint between the cathode of the
16
th
(17
th
/18
th
/19
th
/20
th
) and the anode of the 17
th
(18
th
/19
th
/20
th
/21
th
) of the batteries. Then
the neutral cable, the battery Positive and the battery negative are connected with the UPS
respectively. The battery sets between the Battery anode and the neutral are called positive
batteries and that between neutral and cathode are called negative ones. The user can choose
the capacity and the numbers of the batteries according to their desire.