42 | SAMLEX AMERICA INC.
SECTION 3 | Installation
3.5.1 Preventing DC Input Over Voltage
It is to be ensured that the DC input voltage of this unit does not exceed 17 VDC for the 12V battery version EVO-
1212F / EVO-1212F-HW, and 34 VDC for the 24V battery versions EVO-1224F and EVO-1224F-HW to prevent
permanent damage to the unit.
3.5.2 Preventing Reverse Polarity On The Input Side
CAUTION!
When making battery connections on the input side, make sure that the polarity of battery connections
is correct (Connect the Positive of the battery to the Positive terminal of the unit and the Negative of the
battery to the Negative terminal of the unit). If the input is connected in reverse polarity, external DC fuse
in the input side will blow and may also cause permanent damage to the inverter.
Damage caused by reverse polarity is not covered by warranty.
ATTENTION!
Au moment de faire les connexions de la batterie sur le côté entrée, assurez-vous que la polarité des
connexions de la batterie est correcte (Connecter la borne positive de la batterie à la borne positive
de l'unité et la valeur négative de la batterie à la borne négative de l'appareil). Si l'entrée est reliée à
l'inversion de polarité, DC externe fusible dans le côté d'entrée fera fondre et peut également causer
des dommages permanents à l'onduleur.
Dommages causés par l'inversion de polarité n'est pas couvert par la garantie.
3.5.3 Connection From Batteries / External Charge Controller To The DC Input Side – Sizing of
Cables And Fuses
WARNING!
The input section of the inverter has large value capacitors connected across the input terminals.
As soon as the DC input connection loop (Battery (+) terminal → Fuse → Positive input terminal
of EVO™ → Negative input terminal of the EVO™ → Battery (–) terminal) is completed, these
capacitors will start charging and the unit will momentarily draw very heavy current that will
produce sparking on the last contact in the input loop even when the unit is in powered down
condition.
Ensure that the fuse is inserted only after all the connections in the loop have been completed so
that sparking is limited to the fuse area.