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INSTALLATION 

Install the power pack and connect the load according to 

its instructions. 

Connect the low voltage wires of power pack with the 

respective wires of the sensor according to the diagram 

of desired control. 

Turn ON the line voltage power for the power pack.

Conduct sensor operation test. 

Attach the wallplate cover after testing and setting 

completed.

1.

2.

3.

4.

5.

WIRING DIAGRAM

The sensor may be available with other control options, 

consult a qualified electrician or contact [email protected] 

for assistance.

Sensor control ON/OFF

Hot

Black

White
Red

Red
Black
Green
White

Red
Black

Blue

Red

Neut

Relay

Relay

D

C24V

G

N

D

C

on

tr

ol

M

an

ua

l

H

ol

O

N

H

ol

O

FF

 Load

Hot 
120~277V 
Neutral

PPU-300/301

DC+

GND

COM

NO

(

PPU-300/301)

OPERATION

The BDS-700 series low voltage dual-tech wall switch sensor 
employs passive infrared (PIR) and High Frequency Doppler (HFD) 
sensing technologies to monitor the occupancy status within 
its coverage, and provide an isolated dry contact output for the 
connected power pack to control the operation of connected load. 
The BDS-700S also features ambient light sensor to inhibit 
unnecessary lighting when ambient light is higher than the level set. 

TIME setting determines the delay time that the sensor will 

hold the load ON after the last motion detected. Factory 

setting is 10 minutes, and it can be changed by pointing the 

arrowhead of potentiometer to the specific position.  

TIME - Delay time

LUX setting determines the threshold of ambient light level 

that the sensor will inhibit switching ON the load. The factory 

setting is ALS disabled (24 Hr) for testing convenience, and it 

can be changed by pointing the arrowhead of potentiometer 

to the specific position. 

LUX – Ambient light level 

TESTING

Restore the line power for sensor operation and wait for 

the sensor to warm-up (GREEN LED will blink during the 

warm-up period). 
Move within the desired range and observe the sensor 

detection. BLUE blink indicates the PIR sensor detected, 

and GREEN blink indicates the HFD sensor detected. 

Move outside of the desired range and observe if the HFD 

sensor can detect. If GREEN LED blinks, reducing the HFD 

sensitivity accordingly. 
Replace the wall plate cover after sensor testing and setting 

completed. 

1.

2.

3.

NOTE: 

The connected load will be switched ON as delay time 

set (factory default 10 minutes) after the power applied. The 

delay time can be set to the shortest (10 seconds) for test 

convenience.

 Ensure to set the TIME back to the desired 

delay for optimum operation after test. 

To program the sensor 

operation mode or change 

the settings, press the 

push-button cover and slide 

it down as shown.

SETTING - Potentiometer

The combinations of DIP switch 1 and 

2 determines the sensitivity of HFD 

sensor.  

SETTING - DIP Switch 

HFD Sensitivity

- SW1 & 2

- SW3

- SW4

- SW5

DIP switch 3 changes the operating 

sensor. If necessary, the BDS-700 can 

be programmed as a single HFD wall 

switch sensor. 

Operating Sensor 

Occupancy/Vacancy Sensor Selection 

Push-button Operation Control

PIR & HFD

HFD only

ON

1 2 3 4 5

ON

1 2 3 4 5

ON

1 2 3 4 5

ON

1 2 3 4 5

Occupancy

Vacancy

ON

1 2 3 4 5

ON

1 2 3 4 5

ON/OFF

PM

Occupancy sensor switches the light 

ON automatically when PIR sensor 

detects the presence of an occupant. 

The sensor will switch the light OFF 

automatically if no occupant activity has been detected by 

either PIR or HFD sensor before the time delay elapses.

Vacancy sensor requires the user to manually press the 

push-button to turn ON the light. The sensor will switch the light 

OFF automatically if no occupant activity has been detected by 

either PIR or HFD sensor before the time delay elapses. 

NOTE: 

The sensor will automatically turn ON the light if it 

detects occupant activity within 30 seconds after time delay 

elapsed.

Pressing the push-button during 

occupied state will turn OFF the load of 

respective pole and hold OFF until the 

push-button is pressed again.

In Presentation Mode (PM), pressing the push-button will turn 

OFF the lights immediately, and the lights will remain OFF even 

if motion is detected. Pressing the push-button again will turn 

the light ON and the sensor will operate per its settings. If the 

time delay expires and no occupant activity has been detected, 

the sensor will return to its normal operation. The lights will turn 

ON with the next motion detected.

LUX

1

7

2

6

3

5

4

TIME

1

7

2

6

3

5

4

LUX

TIME T

POS. 1

2

3

4

5 6

7

1’ 3’ 5’ 10’ 20’ 30’

10 20 35 50 100 150 24H

Factory Set

Slide

ON

1 2 3 4 5

TIME

LUX

Press

&

DIP

Switch

ON

1 2 3 4 5

TIME

LUX

ON

1 2 3 4 5

ON

1 2 3 4 5

ON

1 2 3 4 5

ON

1 2 3 4 5

LENS

PUSH-

BUTTON

The time delay (TIME) and ambient light level (LUX) settings can be changed 
by rotating the respective Accu-Set potentiometer at different positions. Via 
DIP switch setting, the BDS-700S can be programmed to adjust the HFD 
sensitivity, operate as a single HFD wall switch sensor, control the load as an 
Occupancy Sensor or Vacancy Sensor, and set the push-button operation to 
turn ON/OFF manually or in Presentation Mode (PM). 
To program the sensor operation mode or change the settings, press the 
push-button cover and slide it down as shown.

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