Hello, please help. I have a bathroom fan with a Domus 100 HP1 timer switch. A permanent 230V power supply is provided. I want to run it with a twilight switch. Start-up when the light goes out. I need an impulse on the SL contact. Normally the SL contact is connected to the light switch, I...

You have written everything correctly, but what is your problem ?

I have a problem with the control. The twilight switch turns on when the light goes out. Given a signal on the SL terminal, switch on the fan which will run continuously until the next time the light is switched on. The fan is supposed to switch on when the light goes out and switch off after a preset time.

The timer should be powered continuously, then when it is dark it will give a signal to the fan.

Yes, but this signal will last continuously (when it is dark) and the fan will run all the time. Instead of a twilight switch, use a circuit that will give a pulse when the light is off.

Thank you for your help. The problem was solved by the PCP04 transmitter in the falling edge trigger setting. It came out expensive, but it works.

Domus 100 HP1 bathroom fan: SL impulse from twilight switch on light off?

Wojtas52 1851 5

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#1 14693475 14 May 2015 18:25

Wojtas52 Wojtas52

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14693475 14 May 2015 18:25

Hello, please help. I have a bathroom fan with a Domus 100 HP1 timer switch. A permanent 230V power supply is provided. I want to run it with a twilight switch. Start-up when the light goes out. I need an impulse on the SL contact. Normally the SL contact is connected to the light switch, I don't have this option. Also, I don't want the fan to run when the light is on.
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#2 14693528 14 May 2015 18:46

kokapetyl kokapetyl

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14693528 14 May 2015 18:46

Wojtas52 wrote:
I want to run it with a twilight switch. Triggering when the light is switched off. Need a pulse on contact SL.

You have written everything correctly, but what is your problem ?
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#3 14694672 15 May 2015 08:49

Wojtas52 Wojtas52

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14694672 15 May 2015 08:49

I have a problem with the control. The twilight switch turns on when the light goes out. Given a signal on the SL terminal, switch on the fan which will run continuously until the next time the light is switched on. The fan is supposed to switch on when the light goes out and switch off after a preset time.
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#4 14695221 15 May 2015 13:17

kosmos99 kosmos99

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14695221 15 May 2015 13:17

The timer should be powered continuously, then when it is dark it will give a signal to the fan.
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#5 14695738 15 May 2015 17:21

kokapetyl kokapetyl

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14695738 15 May 2015 17:21

kosmos99 wrote:
The timer should be powered continuously, then when it is dark it will give a signal to the fan.

Yes, but this signal will last continuously (when it is dark) and the fan will run all the time.
Instead of a "twilight switch", use a circuit that will give a pulse when the light is off.
#6 14695757 15 May 2015 17:32

Wojtas52 Wojtas52

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14695757 15 May 2015 17:32

Thank you for your help. The problem was solved by the PCP04 transmitter in the falling edge trigger setting. It came out expensive, but it works.
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Domus 100 HP1 bathroom fan: SL impulse from twilight switch on light off?

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