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Outdoor lighting system with dimmer and two-channel timer - question of operation

adas_sol 516 3
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  • #1 19645166
    adas_sol
    Level 11  
    Does the circuit from this diagram have the right to work?
    I would like my lighting to come on at dusk at full power, dim at 10pm and not come on at full power until 6am.
    It seems to me that a two channel timer and dimmer would take care of it.
    Channel 1 would switch on the light at dusk and at 10 p.m. it would go into the night break. then from 10 p.m. to 6 a.m. a second channel connected to the dimmer would start up. at 6 a.m. channel 1 would start up again and switch off at dawn.
    I wonder what will happen when channel 1 is switched on how will the dimmer react?
    Outdoor lighting system with dimmer and two-channel timer - question of operation .
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  • #2 19645523
    starob
    Level 29  
    If your timer switches N between terminals 1,2 then disconnect the direct connection of the dimmer to N. Then it will work "classically" and when operating in the N-1-bulb state the dimmer will be de-energised.
    Such a system will work safely with any typical dimmer - the condition is that the timer has an N-1-2 changeover contact and that the dimmer remembers the settings after a power failure (preferably one with a potentiometer.
    So much can be advised without knowing what you have - try it for sure you won't break it (if that's what you're afraid of?).

    ...Or don't connect a 2 dimmer. All in all, neither solution changes anything from what you have drawn.
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  • #3 19649594
    adas_sol
    Level 11  
    I haven't bought the devices yet, I'm just considering how to approach it. I have 22 LED bulbs set up around the house.
    What puzzles me most is how the dimmer will behave when the timer is applying voltage to L1 (it will get voltage at the output).
    With DC I would use a semiconductor diode on the output from the dimmer to the bulbs to prevent this. I have marked in red on the diagram the section that puzzles me.
    Outdoor lighting system with dimmer and two-channel timer - question of operation .

    I guess the solution would be to add a relay
    Outdoor lighting system with dimmer and two-channel timer - question of operation
  • #4 19649682
    starob
    Level 29  
    Ok... I didn't pay attention to the bulb hanging on the N.
    Now I understand the concern.
    If you don't have the devices then how did you come up with this diagram?
    It would be best if you suggest first what you want to buy and what will be the light source - then you can think about how to connect it.
    A dimmer for incandescent or halogen has only two terminals and this is not a problem.

    Added after 1 [hour] 16 [minutes]: .

    adas_sol wrote:
    The solution will probably be to add a relay
    .
    Evidently a short circuit.
    I have found a solution - just switch the clock contact differently.
    I will draw you a schematic tomorrow.
    Do you have those LED bulbs in the implementation for the dimmer?
    Outdoor lighting system with dimmer and two-channel timer - question of operation .
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