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Duo switch with fibaro dimmers
Posted: Friday 26 March 2021 22:26
by krizzz
Hi Guys,
I hope that someone can help me out. I have 4 switches for 2 lamps combined in 2x dimmers with 2 buttons.
Currently I have 2x double led dimmers connect, but ofcourse they are not smart. SO therefore I bought 2x FIbaro V2 dimmers and some Busch Jager push switches. Because I have NO room within the wall behind the switch to place the fibaro dimmers. I will do this at the light base on the ceiling.
Please see the schematic I made below, very simple so even as an electrical dummy as I can understand
Can someone take a look and see if it's ok?

Re: Duo switch with fibaro dimmers
Posted: Saturday 27 March 2021 12:54
by erem
i have never seen a light operating off live only, you need to add a neutral wire.
Re: Duo switch with fibaro dimmers
Posted: Saturday 27 March 2021 21:37
by krizzz
So stupid from me. I also saw that with 2 wires I need to connect the SX and N. See below the new scheme. Will this work?

Re: Duo switch with fibaro dimmers
Posted: Sunday 28 March 2021 12:52
by erem
you do not need the live wire (brown) to the lights.
for the fibaro's, check the manual.
Re: Duo switch with fibaro dimmers
Posted: Friday 17 September 2021 8:46
by Patrick8900
krizzz wrote: ↑Friday 26 March 2021 22:26
Hi Guys,
I hope that someone can help me out. I have 4 switches for 2 lamps combined in 2x dimmers with 2 buttons.
Currently I have 2x double led dimmers connect, but ofcourse they are not smart. SO therefore I bought 2x FIbaro V2 dimmers and some Busch Jager push switches. Because I have NO room within the wall behind the switch to place the fibaro dimmers. I will do this at the light base on the ceiling.
Please see the schematic I made below, very simple so even as an electrical dummy as I can understand
Can someone take a look and see if it's ok?
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Did you have a fix on this issue? Facing same issue but no response from anyone.
Re: Duo switch with fibaro dimmers
Posted: Friday 17 September 2021 9:04
by krizzz
Patrick8900 wrote:krizzz wrote: ↑Friday 26 March 2021 22:26
Hi Guys,
I hope that someone can help me out. I have 4 switches for 2 lamps combined in 2x dimmers with 2 buttons.
Currently I have 2x double led dimmers connect, but ofcourse they are not smart. SO therefore I bought 2x FIbaro V2 dimmers and some Busch Jager push switches. Because I have NO room within the wall behind the switch to place the fibaro dimmers. I will do this at the light base on the ceiling.
Please see the schematic I made below, very simple so even as an electrical dummy as I can understand
Can someone take a look and see if it's ok?
Did you have a fix on this issue? Facing same issue but no response from anyone.
Nope, i do not feel confident enough to try the scheme with some changes mentioned above. I just want to ask a electrician but simply did not came round to do that.
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Re: Duo switch with fibaro dimmers
Posted: Friday 17 September 2021 9:39
by DaanT
Hi,
As erem said, you do not need the brown wire to your lights, that 'power' comes from the dimmer itself. You only need to connect the light back to the blue wire.
First check that you have both L and N line available at the ceiling. Their might only be one power wire and a wire from the 'dumb' dimmer/switch. You need 3 wires at the ceiling for your setup (L+N+SW). If there are only 2, the setup will not work. Then only a wireless switch will work.
Regards,
Daan
Re: Duo switch with fibaro dimmers
Posted: Sunday 30 January 2022 13:25
by tbryel
krizzz wrote: ↑Friday 26 March 2021 22:26
Hi Guys,
I hope that someone can help me out. I have 4 switches for 2 lamps combined in 2x dimmers with 2 buttons.
Currently I have 2x double led dimmers connect, but ofcourse they are not smart. SO therefore I bought 2x FIbaro V2 dimmers and some Busch Jager push switches. Because I have NO room within the wall behind the switch to place the fibaro dimmers. I will do this at the light base on the ceiling.
Please see the schematic I made below, very simple so even as an electrical dummy as I can understand
Can someone take a look and see if it's ok?
Hi Krizz,
Eventhough you received a reply talking around a lot of details on how to connect the light I think looking at this first scheme from a Fibaro Dimmer 2 perspective and what you need to connect there this is ok. It's correct you only need to wire the black lighting wire in to your Fibaro dimmer 2.
Ps. I ran in to the same issue, couldn't fit 2 Fibaro Dimmers in to a single wall outlet and installed it similarly to what you've shown here. What I did notice though is that when the room is completely dark the (LED) light bulbs continue to give some light, in order to overcome that I had to install the Fibaro bypass in the light as well, so I've the fibaro dimmer 2 as well as my bypass installed in my light. I pulled the live wire you need and lack inside the light from the central ceiling fitting and then you're all set and have all wires available you need to achieve what you're trying to do.
Best of luck.
Kind regards,
Tim