IV405E Rev.000 SIEL S.p.A.
Data di emissione: 2018-06-22
Pag. 14 di 50 + FR
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.
3.8 Battery connection
10-30kVA:
The UPS adopts positive and negative double battery framework, totally 16pcs (optional 18/20)
in series. A neutral cable is retrieved from the joint between the cathode of the 8
th
(9
th
/10
th
) and the
anode of the 9
th
(10
th
/11
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.
External battery connections for long-run units.
40kVA: