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misunderstanding switch & dimmer


pixys

Question

Hello

 

Actually I've got 2 normal electric dimmer + something like 8 electrical switch in my house.

 

I've checked the electric cabling and I do not have the neutral.

 

 

It mean I could use the fibaro dimmer for my instead of my 2 electric dimmer.

 

The thing I do not really understand is :

For the fibaro switch : I understand that neutral is used to give the power to the module in order to send zwave signal to my HC2.

But if this is the case.

 

How can the fibaro dimmer be powered and send information to my HC2 if I install it without the neutral ?

And why the same "trick" cannot be used for the fibaro switch ?

 

Can I install fibaro dimmer instead of the switch instead  my 8 electrical switch (Without putting a real dimmer button, I just want to use the switch fonctionnality) ?

 

Thanks

Pixys

 

 

 

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The fibaro dimmer takes away a few percent of the supply of the lamp in "2-wire setup". That indeed means that the dimming range without "Neutral" is a bit smaller than with neutral.  Also, with 2-wire setup (lacking N) you need sufficient load, or the dimmer won't work (see manual). Anyway, 3-wire setup is highly recommended.

Although a dimmer can replace a switch in some particular cases, it's not as easy as that. The load has to be compatible with the dimmer. Also, a FGD-212 dimmer can only switch about 1 A or 250 Watt (that's a lot if the load is an LED lamp!). It's protected and won't switch on the load if it's not compatible. The relays switch on anything (until it fails or sticks if it's overloaded). Also I think, if you are going to use the existing toggle switches, that won't give you a great 'dimming' experience.

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Hello

 

I am using Fibaro relays in some of the cases. After few days relay output function stops and B-button ( Inclusion or exclusion button) also stops working. The load on the relay is less than 500W.

 

If any body know any solution other than changing the relay , please tell me.

 

Thankyou 

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