Installation Manual

OFF
⇔
ON
< Operating time chart >
If there is an
alarm output
.
If it detects the
environmental
disqualifi cation
before 5
minutes of
alarm output.
< Alarm Memory Indicator >< Indicator >< Receiver >
OFF
ON
5 min. 55 min.
2 min. 55 min.
Alarm AlarmAlarm
Alarm Memory
Indicator
Alarm Output
4
ON
2 min.
5 min.
(Indicator ON) (Indicator OFF)
8. OPTIONAL ACCESSORIES
8-1 HEATING UNIT : HU-3
Ensure that the wiring distance
from the power supply is within
the range shown in the table on
the right.
When using two or more units on
one wire, the maximum length
is obtained by dividing the wire
length listed below by the number
of units used.
“UL Listed applications, the heating
unit was not investigated with the
models AX-70/130/200TN,
AX-100/200TF.”
3. Mounting and wiring of the heating unit
5. Mounting of the unit base and
optical alignment
Waterproof material
(included)
Unit Base Mounting Screw
4. Connection using
the connector
When connecting the
lead wires to the wiring,
make the connection
using the supplied con-
nector or soldering.
Insert the wires into the
connector and tighten
the connections with
pliers.
Connector
Power voltage of 24VAC/DC is required to use the heating unit.
1. Cutout of the knockout
Knockout
Direction of
the optical unit
Knockout cutoff section
Cut off the
shaded area.
Cut off the knockout of the unit base’s wiring holes located on the side where the optical
units of the transmitter and receiver face each other and on its opposite side with a nipper,
etc. In the case of the front side, cut off the knockout located on either left or right side only.
2. Direction of the optical unit
Optical Unit
Knockout
cutoff side
[Front view of the unit base]
Rear view of the unit base
7-2 ALARM MEMORY * TF ONLY
This function is used to indicate which detector was activated with alarm memory LED while several detectors are installed in one site.
For fi rst 5 minutes after the alarm output, the alarm memory indicator do not light up. Then the alarm memory indicator keep lighting up
for 55 minutes. 5 minutes. Alarm memory record is cleared after alarm memory indicator is turned off.
Number of blinking N (times) tells how long it
passed over after alarm output.
“N” is added one time every 5 minutes.
(N=1
〜
11)
Selection Dip Switch
Through the cover
Alarm Memory
Indicator
In case the same power supply is used for the sensors, wiring distance is required according to the table shown in 3.
Note
Align the heater as shown
in the diagram and slide it
into place behind the prod-
uct’s optical unit.
Route the heater cables
through the heater cutouts
and pass them through
the wiring holes you cut in
Step1.
Pull the heater cables
through the wiring holes
until there is no slack re-
maining.
Seal the wiring holes with
the waterproof material
(included) so that there is
no gap between the wire
and the surrounding plastic.
Repeat it for both holes.
Wiring distance
Wire Size
Wiring Distance
AWG18
(0.83mm
2
)
1000ft. (300m)
AWG16
(1.31mm
2
)
1700ft. (500m)
AWG14
(2.09mm
2
)
2600ft. (800m)
※
Number of
blinking N
OFF
ON
10 sec
4 sec
0.5 sec
※
Number of
blinking N
FLASHING
OFF
ON
10 sec
4 sec
0.5 sec
Rotate the optical unit ap-
proximately 45° away from the
knockout area that you cut out
in Step 1.
Heater
Cutouts
Heater cutouts