Bi1248
‐
1200
User
Manual
9
5.2
Wiring
instruction
For
the
crimp
terminal
of
the
12V
cable,
use
the
M8
nut
with
a
flat
washer
and
a
spring
washer.
For
the
crimp
terminal
of
the
48V
cable,
use
the
M5
nut
with
a
flat
washer
and
a
spring
washer.
Do
not
operate
with
power
on,
there
might
be
danger
of
short
circuit,
sparking
etc.
Polarity
reversing
of
the
input
and
output
is
strictly
prohibited
and
it
is
out
of
warranty.
For
Euro
6
vehicle
with
smart
alternator,
to
assure
the
right
charging,
it
is
important
to
configure
the
device
and
connect
this
unit
ʹ
s
IGN
signal
line
to
the
IGN
ignition
signal
of
vehicle
installed.
For
safety
reasons,
please
connect
the
negative
terminal
(BAT
‐
)
first,
and
then
connect
the
positive
terminal
48V+
of
the
auxiliary
battery
and
the
positive
terminal
12V+
of
the
starter
battery
respectively.
Connect
one
end
of
the
negative
cable
to
the
terminal
“
‐
BAT”
of
this
equipment,
connect
the
other
end
to
the
negative
bar,
or
negative
terminal
of
starter
battery
and
the
negative
terminal
of
service
battery.
Negative
bard
should
be
connected
to
the
chassis
securely.
Connect
the
terminal
ʺ
+48V
ʺ
to
the
positive
terminal
of
the
48V
service
battery
with
the
cable
specified
for
48Vdc.
Connect
the
terminal
ʺ
+12V
ʺ
to
the
positive
terminal
of
starter
battery
and
alternator
with
the
specified
cable
for
12Vdc.
Connect
the
various
sampling
and
communication
wires,
including
starter
battery
voltage
sampling,
service
battery
voltage
sampling,
battery
temperature
sampling
and
dry
contact
signal.
See
following
chapter
for
details.