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PIR Motion Sensor Switch Position: Home > Product > Smart Home Switch > PIR Motion Sensor Switch >

BRT-321 PIR Vacancy Sensor Switch

date:2017-08-14 15:07

BRT-321 is a vacancy sensor switch which utilizes passive infrared (PIR) sensor to detect the heat (in the form of infrared energy) from people moving within a space. It can determine when a space is occupied and turns on or turns off the loads automatically. It is designed for easy installation and retrofit directly fit into standard wall box where both hot wire and neutral wire are present.

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  • Three touch pads to control up to 3 loads;

    Manual override;

    Adjustable delay-off time from 1 minute to 20 minutes

    Good for all kinds of loads;

    ABS-V0 flame resistance material; and

    Classical 86 series design and high quality build.

  • Fig. 1 and Fig. 2 show the front view and the back view of BRT-321 PIR vacancy sensor switch respectively.

      

    Besides the PIR lens BRT-321 PIR vacancy sensor switch has an LED power indicator and three touch pads on its front. and terminal blocks on its back.

  • BRT-321 vacancy sensor switch require both hot wire and neutral wire for installation:

                  Hot wire (ACL):           Coming from the power line with 220V;

                  Neutral wire (ACN):     Usually coming with the hot wire; and

                  Load wires:                   Going to the load.

     

      Warning: Please make sure power is turned off before starting installation!

     

      Fig. 3 shows the wiring diagram and Fig. 4 shows the step-by-step installation instructions. There are three easy steps:

                  Step one:      Use a screwdriver to pry off the front plate in position A;

                  Step two:      Wiring according to the diagram and the labelled ports of the switch; and

                  Step three:    Install screws and front plate.

        

      Cautions:

      1.    Avoid mounting the sensor switch close to air vents as the vibration and air flow can reduce  the effectiveness of the sensor switch;

      2.    Avoid installing the sensor switch in an electrical circuit which has other frequent on/off  switch or appliance as those on/off actions could cause false triggers.   

  • BRT-321 PIR vacancy sensor switch needs a warm-up time about two minutes before it can

      operate properly. For the first time operation the user can set the delay-off time by using 3 dip

      switches on its top side as shown in Fig. 5.

      Adjust the delay off time

      The 3 dip switches are used to set the delay off time to 4 settings based on different combinations.

      Fig. 6 shows all the dip switches are in “off” positions. Each combination corresponds to a delay

      off setting.

      Turn on or turn off loads manually:  Pressing each touch pad (LAMP 1 LAMP 2 or LAMP 3)

      will turn on the load and pressing it again will turn off the load.

  • such as lights fans appliances or other kinds of electrical equipment. They are perfect for saving energy and bringing convenience and safety to our daily life and work. They have wide applications at various locations such as stairwells corridors washrooms offices conference rooms in homes schools laboratories hospitals offices etc.

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