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INTRODUCTION

The LDD-700 is a line voltage dual tech (PIR & HFD) wall 

switch sensor with 0-10V dimming output that not only can 

automatically turn lights ON/OFF based on occupancy or 

vacancy sensing control, but also allow the user to manually 

adjust the lighting level as required.
The LDD-700 will automatically turn ON the light at set-level 

(factory set 100%) for a period of delay time when it detects 

the presence of an occupant. If no motion is detected before 

the delay time elapses, the sensor will dim the light down to 

1/3 of set-level for 30 seconds before turn OFF. It can be set as 

a vacancy sensor which will only turn ON the light at set-level 

by pressing any push-button, and then automatically control 

the light in the same way as above described. 
Two push-buttons allow the user to change ON-OFF status, 

adjust lighting level as desired, or memorize the preferred 

level for the next presence. Two Accu-Set potentiometers offer 

fast, easy and accurate settings for delay time (TIME) and 

ambient light level (LUX). A 5-pole DIP switch can be set to 

adjust the HFD sensitivity, disable the PIR sensor, operate as a 

vacancy sensor, and set the push-button operation control. 

INSTALLATION NOTES

Line Voltage Dual-Tech Wall Switch Sensor 

with 0-10V Dimming

INSTALLATION INSTRUCTIONS

LDD-700 Series

SPECIFICATIONS 

Power supply
Sensing technology
Maximum load
Inrush current
Load switching
Dim control output 
Detectable speed
Mounting height
Ambient light level
Delay time setting
Op. humidity
Op. temperature
Dimensions

120/277VAC, 60Hz
Digital PIR & High Frequency Doppler
Electronic Ballast– 500/800VA@120/277V
Max. 80A, 16.7 ms @60Hz
True Zero-cross Hybrid Switching
0-10V, ±5%, isolated, max. 25 mA
1~10 ft./sec. (0.3~3 m/sec)
3~5 ft. (90~150 cm) above the floor
7 levels, from dark to 24 Hour
T/1’/3’/5’/10’/20’/30’, T=10 sec. for testing 
Max. 95% RH, non-condensate
14°F ~ 131°F (-10°C ~ 55°C)
4.13”H x 1.77”W x 1.65”D (w/mounting plate) 

Indoor dry location use only

Utilisation a L'interieur Uniquement

Risk of Electric Shock - Disconnect power supply at the circuit breaker before 

installing, replacing lamps, or servicing.
DO NOT control a load in excess of specified ratings to avoid damaging the sensor or 

the property. 
Install and use this sensor in accordance with electrical codes and regulations.
This device is intended to be installed by a qualified electrician. DO NOT attempt to 

service or repair.
Install the sensor at least 1ft. away from any occupant.

Afin d'eviter tout risque de choc electrique ou electrocution, couper le 

courant au disjoncteur avant installation, remplacement des lampes ou 

tout service d'entretien.
NE PAS contrôler une charge supérieure à la capacité spécifiée pour 

éviter d'endommager le capteur ou la propriété.
Installer et utiliser ce capteur conformément aux codes et règlements 

électriques.
Ce dispositif est destiné à être installé par un électricien qualifié. NE PAS 

tenter de réparer.

The sensor is more sensitive to the movements “crossing” 

the detection zones than “toward” or “away” it. To obtain 

optimum sensitivity, ensure the sensor to always have 

clear field of view for the occupant’s motion within the 

desired detection coverage. 
In general, the HFD sensor has better sensitivity to the 

minor motions than the PIR sensor. Also the HFD sensor 

could possibly detect out-of-sight movements through 

non-metallic partition or enclosure. If so, reduce the HFD 

sensitivity to prevent detecting the activities of adjacent 

areas which may result in unneeded lighting. 
Avoid mounting the sensor behind the door, partition, 

plant, or furniture. As a general rule, every occupant within 

the desired range should be able to “see” the sensor.      
Do NOT mount the sensor nearby a heat source, or at the 

place where it can “see” the unintended motions (e.g. 

hallway traffic). 

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DETECTION COVERAGE

WARNING & CAUTION

AVERTISSEMENT & PRUDENCE

P/N: 058-70008-001

Printed in Taiwan

www.irtec.com

This product may be covered by one or more U.S. patents or patent applications.

Please visit www.irtec.com for more information.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not 

cause harmful interference, and (2) this device must accept any interference received, including interference that may cause 

undesired operation.

 

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC 

Rules.  These limits are designed to provide reasonable protection against harmful interference in a residential installation. This 

equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the 

instructions, may cause harmful interference to radio communications.  However, there is no guarantee that interference will not 

occur in a particular installation.  If this equipment does cause harmful interference to radio or television reception, which can be 

determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following 

measures:

-Reorient or relocate the receiving antenna.

-Increase the separation between the equipment and receiver.

-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

-Consult the dealer or an experienced radio/TV technician for help.

FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could 

void the user's authority to operate this equipment.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

Federal Communication Commission Interference Statement FCC ID: NRIWS27XX00

Top view

Side view

4’

7’

40’

Major motion - 30 ft x 40 ft (W x L) 

Minor motion - 20 ft x 20 ft  (W x L) 

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