Fig. 1 and Fig. 2 show the front view and the back view of the BRT-402 and BRT-402B timer

  switches respectively.

  As shown in Fig. 3 the BRT-402 and BRT-402B timer switches have an LCD display and 6

  buttons in the front. The LCD display shows the clock time timing period # and the timer On

  time for the current timing period.

  The 6 buttons are used to turn on/off the load and set clock time and timing settings.

  ON:        Power on the load. It can override the timer’s automatic control; and

           In the timer setup mode press the button can go to the previous timing period.

  OFF:       Power off the load. It can override the timer’s automatic control; and

           In the timer setup mode press the button can go to the next timing period.

  Clock:    Press the button to enter clock setup mode.

  Timer:    Press the button to enter timer setup mode.

  :       Press the button to decrease the time when the clock setting mode or the timer setting

                  mode is selected and the digits are flashing; or

                  When the clock digits are not flashing press and hold the button for 3 seconds can go to

                  the previous timing period or press and hold the button for 5 seconds can check the

                  previous timing setting.

  :       Press the button to increase the time when the clock setting mode or the timer setting

                  mode is selected and the digits are flashing; or

                  When the clock digits are not flashing press and hold the button for 3 seconds can go to

                  the next timing period or press and hold the button for 5 seconds can check the next

                  timing setting.

  BRT-402 timer switch and BRT-402B timer switch require both the hot wire and the 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.

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

  Fig. 4 shows the wiring diagram and Fig. 5 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.

  1.    Set up the clock:

          1.1   Press the "Clock" button and hold for 3 seconds to enter the clock setup mode the hour

          display starts to flash; press "" or "" to adjust the hours (holding down "" or ""

          will adjust the hours quickly);

          1.2   Press the "Clock" button again the minute display starts to flash; press "" or "" to

          adjust the minutes (holding down "" or "" will adjust the minutes quickly);

          1.3   Press and hold the "Clock" button until clock display stops flashing. The clock settings

          are saved.

          (Note: If there is no button operation for 15 seconds the clock settings will be automatically

          saved).

  2.    Set up timer On time and timer Off time:

          Timer On time:

          2.1   Press the "Timer" button and hold for 3 seconds to enter timer setup mode the display

          will show “--:-- op” (timer start time);

          2.2   When the display hour flashing press "" and "" to adjust the hours (holding down

           "" or "" will adjust the hours quickly);

          2.3   Press the “Timer” button again the minute display starts to flash; press "" or ""  to

          adjust the minutes (holding down "" or ""  will adjust the minutes quickly);

          Once the Auto On time is set up proceed to set up the timer Off time:

          2.4   Press the "Timer" button again the display will show “--:-- cl” (timer Off time);

          2.5   When the display hour flashing press "" and "" to adjust the hours (holding down

           "" or "" will adjust the hours quickly);

          2.6   Press the "Timer" button again the minute display starts to flash; press "" or "" to

          adjust the minutes (holding down "" or "" will adjust the minutes quickly);

          Once timer On time and timer Off time are setup there are three options:

                 Press “Off” button to start setting up the next timer On time and timer off time or

                 Press “On” button to go back to modify the previous timer On time and timer off time

                 or

                 Press and hold the "Timer" button until clock display stops flashing. The timer settings

                 are saved.

          (Note:    If there is no button operation for 15 seconds the timer settings will be

          automatically saved).

  3.    Delete timer settings

  Press the “Timer” button and hold for 3 seconds to enter into the timer setup mode. Press

  “ON” or “OFF” unt il the time period to be deleted displays. Then press "" or ""to set

  the time on time to “--:--op” and set the timer off time to “--:--cl”.  The timer period will be

  deleted.

  BRT-402 timer switch and BRT-402B timer switch are used for automatically turning on and/or

  turning off various loads such as fans lights 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 homes schools laboratories hospitals

  offices etc. The typical application scenes include:

  Schools:     Automatically ring the bells according to a fixed timetable to relieve manual

  intervention.

  Hospitals or Laboratories:     Automatically turn on and turn off UV disinfection equipment to

   is olate operators from harmful UV exposure.

  Farms:     Automat ically turn on or turn off breeding equipment or lighting equipment for

  animals.