6
NOTES:
1.
Relay
contacts
shown
with
power
applied
and
system
in
normal
supervisory
, no
alarm,
condition.
2.
See
Technical
Data
for
compatible
detectors.
3.
Arrangement
for
photo
detector
and
base
located
within
air
duct.
4.
Use
PE-1
1
with
either
DB-3S
base
and
DB-ADPT
, or
with
DB-1
1
base.
5.
No
more
than
two
external
detectors
may
be
connected
to
terminals
3
and
4
of TB1
of
the
SA-3I
or
SA-1
1P
.
6.
Ensure
that
the
incoming
earth
ground
wire
is
properly
connected
to
the TB2
terminal
marked
GND
. If
using
an
earth
grounded
Figure
6
Typical Connections for Models SA-3I and SA-1
1P
CAUTION:
Do
not
use
looped
wire
under
terminal
5
of
the
DB-3S
or
DB-1
1
base.
Break
wire
run
to
provide
supervision
of
both
connections.
conduit,
ensure
that
it
is
properly
connected
to
the
internal
metal
ground
strap,
using
the
proper
conduit
locking
nuts.
Failure
to
provide
proper
grounding
may
result
in
fatal
electrical
shock.
7.
Connect
EOL
device
(1.3K,
1/2W
resistor)
to
terminals
3
and
4
of
TB1
when
no
external
detectors
are
connected.
8.
When
the
relay
contacts
are
connected
to
a
fire
alarm
system,
the
trouble
contacts
must
be
wired
beyond
the
last
detector
so
as
not
to
interfere
with
an
alarm,
as
shown
in
Figure
7.
9.
Use
SA-3I
or
SA-1
1P
relay
for
alarm
signaling.
Do
not
connect
relay
modules
directly
to
detectors.
