OS-361DT
DC
Line Black
White
Red
Red
Red
Black
Green
White
Red
Neut
Relay
Relay
D
C24V
D
C
COM
NO
C
on
tr
ol
Load
Line
120/277V
Neutral
Black
Blue
PPU-300/301
Line
Black
White
Red
Orange
Grey
Brown
Red
Neut
Relay
Relay
D
C24V
D
C
COM
NO
C
on
tr
ol
M
an
ua
l
H
ol
d
O
N
H
ol
d
O
FF
Load
Momentary Button
Line
120/277V
Neutral
Red
Black
Green
White
Red
Black
Blue
DC
OS-361DT
PPU-300
The OS-361DT is an occupancy sensor which combines two
different sensing technologies, PIR and HFD, in one housing
for ceiling mount installation. The sensor is operated by 24
VDC low voltage power. Whenever the sensor detects the
presence of occupant, its dry contact relay output will be
engaged for the delay time programmed. The delay timer
will be reset if any motion is detected by either PIR or HFD
sensor before delay time elapses.
8 different delay times and 4 different HFD sensitivity levels
can be programmed via specific DIP switch combinations.
2 LED’s are available to indicate the operation of PIR and
HFD sensors respectively. The sensor operation LED can be
disabled by specific DIP switch, if necessary.
It is recommended to conduct a walk test to verify optimum
coverage after sensor installed. To test the sensor range,
restore the front cover, apply the low voltage power and wait
approximately 90 seconds for sensor to warm up. The LED
will blink during warm-up period. Walk into the projected
area in the path of occupant show up and observe if the
sensor can detect the presence. The LED will be lit
whenever sensor detects the motion. If the space has
multiple entrances, repeat the test in all available paths.
HFD sensor could possibly detect the movements outside of
certain type of dry wall or partition. If happened, sensitivity
can be adjusted by changing the ON-OFF combinations of
DIP switch #1 and #2 as the following table shows.
2 LED’s are available to indicate the status of PIR and HFD
sensor operation. The LED indication can be disabled by
setting the SW #3 to OFF position.
A 6-pole DIP switch is available for various sensor settings via
combinations of ON and OFF positions of specific switch.
Various control modes may be achieved by different wiring
connections. The following diagrams are typical control for
reference. For the availability of more complex control,
please contact an IR-TEC team member directly.
NOTE: Each IR-TEC PPU-300/301 power pack can supply
power for up to 3 OS-361DT sensors. When more sensors
are connected, multiple power packs may be required.
IR-TEC International Ltd. warranties this product to be free
of defects in materials or workmanship for a period of five
years from date of shipment. There are no obligations or
liabilities on the part of IR-TEC International Ltd. for
consequential damages arising out or in connection with the
use or performance of this product or other indirect
damages with respect to loss of property, revenue, or profit,
or cost of removal, installation or reinstallation.
WARRANTY
SENSOR OPERATION
MOUNTING THE SENSOR
HFD SENSITIVITY
– SW #1 & #2
LED ON/OFF
– SW #3
Total 8 different delay times can be selected via the combinations
of SW #4, #5 and #6 as the following table shows.
OFF DELAY
– SW #4, #5, & #6
RANGE TEST
SENSOR SETTINGS
SENSOR INTERNAL
WIRING DIAGRAM
Loosen the locking screw to the position where the front
cover can be removed. Leave the screw attached with
Connect the wire leads with IR-TEC power pack or BMS
as per wiring diagram of the desired control.
Mount the sensor base with screws provided. For
surface mount, use two knockout holes underneath both
sides of the PCBA. For recess mount, use two holes on
the flange of sensor base.
Replace the front cover and tighten the locking screw.
1.
2.
3.
4.
B. Manual-ON/Auto-OFF with PPU-300
A. Auto-ON/Auto-OFF
The supplied rubber pad can be used to cover the
locking screw for aesthetic purpose.
The respective LED will light on whenever PIR (blue)
or HFD (green) sensor detects the motion.
Note:
Stay out of sensor coverage during warm-up to
avoid extending the period.
Note:
Infrared sensor
HFD Sensor LED
HFD Sensor
PIR Sensor LED
DIP Switch
(Don't touch!!)
Recess Mount Knockout
Recess Mount Knockout
Surface
Mount Knockout
Surface Mount
Knockout
60%
80%
100%
120%
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
*
*
10 min.
15 min.
20 min.
30 min.
0 sec.
1 min.
3 min.
5 min.
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
* Factory Set
*Factory Set
