Samlexpower Evolution EVO-2212 Owner's Manual page 52

SECTIOn 3 |
3.12 grounDing ArrAngement in evo SerieS
Schematic at fig. 3.12 illustrates the grounding arrangement of EVO Series.
Internally, EVO consists of a DC Section and an AC Section that are isolated through a transformer.
both these sections are required to be grounded appropriately.
When using a generator, please ensure that the Neutral of the generator is bonded to the metal
frame of the generator and the metal frame of the generator is bonded to Earth Ground through
the Grounding Electrode (GE) i.e. the Ground rod.
3.13 Dc SiDe grounDing (See fig. 3.12)
DC side grounding involves bonding of the metal frame/chassis of EVO, the metal chassis
of the DC Electrical Panel and the battery Negative Terminal to Earth Ground in shore based
installation or to the metal frame / "Chassis
that in case of a ground fault in the +12V / +24V circuit, the fuse in the +battery line blows
to clear the fault. This fuse in the +battery line has Ampere capacity matching the rated DC
input current of the EVO in Inverter Mode i.e. 150A to 400A depending upon the model of
the model of the EVO being used. The wire size used for DC side grounding should be mini-
mum AWG #6 or of the same size as the battery cable, whichever is thicker (battery cable size
should have minimum Ampacity ≥ the Ampere rating of this battery fuse (150A to 400A) de-
pending upon the model of the EVO being used). this recommendation on sizing of the
Dc Side grounding wire will be superseded by the national / local electrical codes.
!
cAution!
As per American boat and yacht Council (AbyC) Standard E-11 for AC and DC Electrical
Systems on boats, the size of DC side grounding wire shall not be smaller than one size under
that required for current carrying conductors supplying the device. hence, for application on
EVO on boat / yacht, the size of the DC side grounding conductor should be of the same or
one size smaller than the size of battery cable specified in Table 3.1.
!
Attention!
Selon le « American Boat and Yacht Council » (ABYC) la norme E-11 pour le système électrique CA et CC des bateaux, la
taille du fil de mise à la terre du côté CC ne doit pas être inférieure à un format sous celle requise pour les conducteurs
tenant le courant pour alimenter l'appareil. Par conséquent, pour l'application EVO sur le bateau / yacht, la taille du
conducteur de mise a terre côté CC devrait être de la même ou strictement une taille plus petite que la taille du câble de
batterie indiqué dans le tableau 3.1.
As described at Section 3.14, the metal frame / chassis of the EVO (fig 3.12, G1) is bonded to the
Earth Ground "GE" (Ground rod) for AC side grounding. It may be argued that if the metal frame /
chassis of EVO is already bonded to Main Earth Ground "GE" for AC side grounding, why
it is necessary to provide additional DC side grounding wiring? (Wiring that bonds DC Grounding
52 | SAMLEX AMErICA INC.
Installation
info
" of the motorhome / caravan. This ensures