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Aiphone MC-60/4A - 3 PRECAUTIONS ON INSTALLATION & WIRING; Installation and Wiring Safety; 4 WIRING; Actual Terminal Location

Aiphone MC-60/4A
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3
PRECAUTIONS
ON
INSTALLATION
&
WIRING-
★
Do
not
attempt
to
install
or
connect
wires
on
MC-60/4
equipment
while
system’s
power
supply
is
turned
on.
★
MC-60/4
masters
and
related
equipment
are
designed
for
indoor
use
only.
Do
not
install
outdoors.
★
Do
not
connect
any
other
power
source
than
specified
on
terminals
1/+
and
5/-.
Doing
so
can
damage
the
MC-60/4
equipment.
★
Do
not
open
any
MC-60/4
system
components.
Ask
qualified
personnel.
★
All
the
products
of
other
manufacturers,
power
supply,
buzzer,
etc.
used
for
MC-60/4
are
not
within
our
warranty,
and
must
be
used
under
manufacturer
or
distributor’s
specifications
and
warranty.
★
Do
not
mount
MC-60/4
equipment
in
the
following
places,
as
it
may
cause
the
system
to
malfunction:
•
High
or
extreme
cold
temperature
areas:
under
direct
sunlight,
near
equipment
that
varies
in
temperature,
near
an
air-conditioner,
inside
refrigerating
warehouse,
etc.
•
Places
subject
to
moisture
or
humidity
extremes.
•
Places
subject
to
environmental
conditions,
such
as
dust,
oil
and
chemicals,
etc.
★
MC-60/4
is
an
electrical
appliance,
which
must
not
be
subjected
to
water
and
or
any
other
liquid.
★
Weather
conditions,
such
as
lightning
storms,
may
cause
damage
to
MC-60/4
equipment.
It
is
suggested
to
take
protective
measures
as
follows;
•
When
a
DC
power
supply
is
used:
On
the
power
supply
with
grounding
terminal,
be
sure
to
take
the
terminal
to
earth
ground.
In
this
case,
it
is
not
necessary
to
connect
a
surge-arrester.
•
If
no
grounding
terminal
is
available,
install
the
SA-1
surge
arrester
on
the
power
supply
line.
■
Before
MC-60/4
is
actually
installed,
the
contents
of
this
Manual
must
be
thoroughly
read
and
understood.
WIRING
■
Actual
Terminal
Location
MC-60/4
A
Chassis
inside
view
MC-60/4B
Terminal
box
inside
view
Connect
all
number
terminals
in
parallel
from
station
to
station.
1
Power
supply
(+24V
DC)
2
Paging
signal
3
Talk
channel
2
4
Talk
channel
1
5
Power
supply
(-24V
DC)^
6
Talk
channel
3
7
Talk
channel
4
★
When
more
than
7
conductor
cable
is
used,
connect
extra
wires
on
5
terminal
to
avoid
crosstalk.
-
3
-

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