70 | SAMLEX AMERICA INC.
SECTION 3 | Installation
3.18 MOBILE INSTALLATION - GENERAL INFORMATION
3.18.1 GFCI Protection for Vehicle Application
When EVO-1212F-HW / EVO-1224F-HW is installed in vehicles, it is to be ensured that Ground Fault Circuit Interrupter(s)
[GFCI] are installed in the vehicle wiring system to protect all branch circuits. EVO-1212F and EVO-1224F come with
Duplex GFCI, NEMA5-15 outlet.
WARNING!
Please ensure that when using hard-wired versions EVO-1212F-HW, Ground Fault Circuit Interrupter(s) [GFCI]
are installed in the vehicle wiring system to protect all branch circuits. GFCIs listed in Table 1.5 have been
tested to operate satisfactorily and are acceptable.
MISE EN GARDE!
Veuillez vous assurer que lors de l'utilisation de versions câblées EVO-1212F-HW, Disjoncteur(s) [FUITE]
sont installés dans le système de câblage du véhicule pour protéger tous les circuits de dérivation.
Des disjoncteurs de terre ci-dessous ont été testé. Leur fonctionnement est acceptable, Table 1.5.
3.18.2 Requirement of Deep Cycle, Auxiliary Battery and Battery Isolator for Powering Inverters in
Mobile Installations
Basic information on Lead Acid Batteries is given in Section 1.4 under "General Information - Lead Acid
batteries". For details, read on-line White Paper titled “Batteries, Chargers & Alternator” at: www.
samlexamerica.com (Home > Support > White Papers).
An RV / vehicle has Starter, Lighting and Ignition (SLI) battery. As explained in White Paper titled “Batteries, Chargers
and Alternators”, SLI batteries are designed to produce high power in short bursts for cranking.
SLI batteries use lots of thin plates to maximize the surface area of the plates for providing very large bursts of current
(also specied as Cranking Amps). This allows very high starting current but causes the plates to warp when the battery
is cycled. Vehicle starting typically discharges 1%–3% of a healthy SLI battery’s capacity. The automotive SLI battery is
not designed for repeated deep discharge where up to 80% of the battery capacity is discharged and then recharged.
If an SLI battery is used for this type of deep discharge application, its useful service life will be drastically reduced.
Hence, this type of battery is not recommended for the storage of energy for inverter applications. A second deep cycle
auxiliary battery must be installed in the RV for powering the EVO™ (Deep cycle, auxiliary battery is shown in Figs 3.14
and 3.15).
When the second auxiliary deep cycle battery is used, a Battery Isolator is required that will allow parallel connection of
the two batteries for charging when the alternator is ON and disconnecting the parallel connection when the alternator
is stopped (Isolator is shown in Figs 3.14 and 3.15). The capacity of the Battery Isolator should be as follows:
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