CAUTION
There may be sparks produced when making battery connections, ensure no
flammable materials are present. Incorrect connection of cables to the battery
(reverse polarity) may damage the unit and is not covered by the warranty.
Dual Battery System
For heavy duty applications a secondary battery can be fitted to increase the inverter running time. An
additional relay may also be fitted to allow this battery to be charged from the vehicle alternator when the
vehicle engine is running, Fig2 shows an example installation.
Earth Connection
Ensure the inverter is earthed by connecting a cable from the inverter earthing bolt
N
to a suitable earth
within the installation (normally the vehicle chassis).
Single Battery System
Fig1 – Example single battery system
Supplied
cables
AC
F1
Inverter
Inverter
Battery
Vehicle
Chassis
Fig2 – Example dual battery system
F1
F2
AC
Inverter
Inverter
Battery
Vehicle
Battery
Vehicle
Alternator
Vehicle
Chassis
Relay
from ignition
switch
ignition lamp
