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

BRT-309 Ceiling Mount PIR Switch

date:2017-08-14 15:38

BRT-309 is a ceiling mount 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  off the loads automatically. It has an advanced micro controller unit and uses a proprietary signal processing technique to avoid false triggers.

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  • Manual on auto off;
    Adjustable delay off time from 1 minute to 20 minutes;
    Easy installation onto the ceiling with or without a holder;
    Load power up to 2000W;
    Good for all kinds of loads (resistive capacitive and inductive);
    ABS-V0 flame resistance material; and
    High quality build.

  • Fig. 1 and Fig. 2 show the front view and the back view of the BRT-309 PIR vacancy sensor switch respectively.

  • BRT-309 PIR sensor switch requires 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 wire:                    Going to the load.

     

      Fig. 3 shows the wiring diagram. Wiring must be done according to the diagram and the labelled

      ports of the switch.

              

        Installation Guide:

      There are two ways to install BRT-309 PIR sensor switches to the ceiling. Fig. 4 and Fig. 5 show the step-by-step installation instructions respectively.

     

      Warnings: 

      1.    Please make sure power is turned off before starting installation!

      2.    Load shorting or using a load with a power rating higher than the specified wattage of the

          sensor switch is prohibited.

     

      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.

     

      1.    Installation using a holder

      As shown in Fig. 4 a holder is attached to the ceiling using screws first. Then the PIR sensor switch can be easily snapped into the holder.

      The holder is specially designed for BRT-309 sensor switch. Please talk to our sales representative when placing orders.

     

      2.     Installation without a holder

      As shown in Fig. 5 without a holder an opening in the ceiling needs to be made first. There are four steps:

                  Step one:      Open a hole of 68mm in diameter in the ceiling;

                  (Attach the electrical wires as shown in the Wiring Diagram Fig. 3).

                  Step two:      Open the two flexible clamps on the side surface of the sensor switch;

                  Step three:    Insert the sensor switch into the hole; and

                  Step four:     The clamps will hold the sensor switch onto the ceiling tight and steady.

     

  •  BRT-309 PIR sensor switch needs a warm-up time about two minutes before it can operate properly. It has dip switches to adjust the delay off time as shown in Fib. 6.

     

      As shown in Fig. 7 please rotate the front cover counter-clockwise to remove it so that the dip switches are exposed.

      1.   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. 8 shows all the dip switches are in “off” positions. Each combination corresponds to a delay off setting.

        

     

      Please note that BRT-309 vacancy sensor switch is to be used together with a wall switch. The wall switch is used to manually turn on the BRT-309 sensor switch and the load first before it can automatically turn off the load later on.

  • BRT-309 ceiling mount PIR vacancy sensor can be used for automatically turning off various

      loads especially for high power loads 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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