Z-Wave Fibaro Universal Dimmer 2 Q&A

Question 1

Can Fibaro Dimmer 2 independently dim 2 circuits? View answer

Asked 1 ´year ago

Question 2

Is anybody using MK Grid Plus switches, specifically K4910 (WHI) 20A DP 1 way as their momentary switch of choice? View answer

Answer posted 1 year ago

Question 3

I am looking for a capacitive mono-stable wall switch to be used with a z-wave dimmer module. I'm struggling to find ones which will work as desired as most will not register a long press/hold – instead, they always accept touch as a momentary on/off. What I would like is for it to mimic a mono-stable switch (bell-push) i.e. touch once for on/off and hold for dim up/down, which I know can be set by the Fibaro parameters – but I can't find a capacitive plate wall plate that does this. Note, ideally I'm looking a double switch.

Asked 2 ´years ago

Question 4

I bought two of these to replace the previous generation ones. however, I'm unable to control these lights remotely on my Vera unit from other devices. Aeotec 4 button remote. I've seen other people who can't now remotely control these. Any ideas?

Asked 2 ´years ago

Question 5

I am using the Fibaro Dimmer 2 to control the main lights in my lounge on S1, and to control the lamps by association in Group 5 which are connected to wall dimmers using S2. I have managed to get it all working, but I would like to connect more than one lamp. I have tried to add a second association but it never seems to stick. I have attempted this with OpenHAB, my main server, and with Domoticz control centre. Can you tell me whether this is possible? From the limited documentation I can find, and my experience with associating other devices, I believe it should be.

Asked 2 ´years ago

Question 6

Hi. How do you set the parameters for the dimmer 2 with tellstick sent Fibaro Dimmer 2 Parameter Setting: The following parameters need to be set: 20 - 1 - enables the dimmer to work with a toggle switch (default is 0 for a momentary switch) 26 - 1 - enables the dimmers S2 switch to also control the dimmer (default 0) Thanks

Asked 2 ´years ago

Question 7

Hi All After years of trying to find a good zwave remote control I think I might have hit on a good (crazy) idea. Would this module work behind a light switch if there was no output load to control ? My plan is to use something like this https://www.ukelectricalsupplies.com/retrotouch-07100-simplicity-white-2-gang-retractive-light-switch.htm, so i should get the ability to control four scenes, using s1 and s2 Would I be correct that it will work with out a light to control. Thanks Rob View answer

Answer posted 4 years ago

Question 8

I can see the 2 and 3 way wiring diagrams without a neutral. Do you have a 2 and 3 way wiring diagram with a neutral? Thanks. View answer

Answer posted 4 years ago

Question 9

We are rewiring the house and as part of this will have a neutral at each switch. Two questions I have are 1) for loads less than 50W is a bypass still required even in a 3 wire setup? 2) is there a cheaper alternative to the fibaro which still offers smooth LED dimming? Thanks. View answer

Answer posted 4 years ago

Question 10

Hi. Can I use 3 x 7W led bulbs and 1 x 3W led bulb on the same circuit? Or do all the bulbs need to be the same wattage? Thanks View answer

Answer posted 5 years ago

Question 11

Hi! This dimmer operate in Europe frequency range? Thanks View answer

Answer posted 5 years ago

Question 12

Hi, I can’t see the option to force a set brightness level in Domoticz when switched on, can you please tell me how I change this setting as the default is to switch on at last light level. Thanks, Steve View answers

Answer posted 6 years ago

Question 13

I have 18 LEDs at 5w and 0.5 power factor. Would I be able to use the Dimmer 2 if were to use alongside the Bypass 2 or is the wattage too high? Based on the technical resources I think it would overload it but I have seen some responses to questions saying this number of bulbs should be fine. View answer

Answer posted 6 years ago

Question 14

I am currently using these with 240v halogen bulbs and wanted to switch to LED. In some places it will be 3 wired and in others I will add a bypass unit. Is there any particular brands of dimmable 240v LED bulbs that people have had success or problems with? Or am I pretty safe just going with shop own brand? They would be either E27 golfball bulbs or gu10 spots View answer

Answer posted 6 years ago

Question 15

Does this work with switches like Schneider Clipsal with a led ambient light? View answers

Answer posted 6 years ago

Question 16

If you were using 3-position (on/off/on) switches would you need 3core+ earth cable running between all switches in a 2-way or multi-way lighting circuit? or could this be achieved with 2 core+earth cable between switches? thanks View answer

Answer posted 6 years ago

Question 17

if You use the Dimmer 2 with toggle switches in a 3-way lighting circuit, would you be able to use all 2-way switches or would you still need to use a intermediate switch in the circuit? View answer

Answer posted 6 years ago

Question 18

When using the Dimmer 2 in a 2-way or multi-way circuit, do the momentary (bell-push) switches need to be 2-way switches or will 1-way switches work? (as the wiring is simplified when using momentary switches). Such as the Varilight 2-Gang 6A 1-Way Push-to-Make Momentary Switch? Thanks View answer

Answer posted 6 years ago

Question 19

Does the secondary switch have to be associated with other devices or can it appear in homeseer as a switch and then used to trigger an event View answer

Answer posted 6 years ago

Question 20

Can you use this with LED spotlights that don't dim? I have a set of 6 in the hallway that 'd like to come on if movement is detected. View answers

Answer posted 7 years ago

Question 21

How many 240V GU10 Led Bulbs (Dimmable ones) can the FD2 support? I have 3 light fittings for outside my house that house 2 GU10 240 Bulbs or GU10 240V Dimmable Bulbs. I am going to use the LED Dimmable bulbs which on the box say "Use only 7 watts per bulb". So a total of 6 bulbs in 3 light housings. I'm going to wire them back to a junction box in parellel (not serial) and into then into the FB2 but was worried that 6 bulbs of this type (or even 10) would fry it? I have the original Fibaro Bypass Module also (FGB001) which I bought a few years ago but never used, could I use this if I need it? The LED 240v GU10 bulbs are "dimmable" Thanks! Andy View answers

Answer posted 7 years ago

Question 22

Does this need ventilation? I was planning on using these in the loft for the upstairs lighting and putting them in PVC boxes along with any connectors etc. This is to keep things neat and safe but wondered if I need to drill holes in the boxes for ventilation? View answers

Answer posted 7 years ago

Question 23

Use for a UK 2-wire (No neutral) switch with a 13W LED non-dimmable bulb in hallway, do I need to install with the bypass 2? View answer

Answer posted 7 years ago

Question 24

Would there be a minimum GU10 number of lights that would not need a Fibaro dimmer 2 ? I have a number of circuits with GU10 lights 6W X 9 in a kitchen and out in a hallway 2 way circuits of 2 each by 2 and a circuit of 4. Would I need a dimmer bypass then for all circuits. View answer

Answer posted 7 years ago

Question 25

If I had a chandelier with 5 X 6W LEDs (30W total) would I need a Fibaro Dimmer Bypass 2? View answers

Answer posted 8 years ago

Question 26

How many LED GU10 Spotlights can one use with ONE Fibaro Dimmer 2? And are there any recommended LED GU10 Spotlights? View answers

Answer posted 8 years ago

Question 27

I look at the instruction manual for the wiring diagrams. I have two wires coming from the wall and it has no wall switch. When I moved in, it had a cheap strip light with shaver socket and its own onboard switch. I have removed this old fitting. I am planning to install an LED strip light running off 12V. I wish to use the Fibaro Dimmer 2 with bypass 2. When I look at the wiring diagram for a 2 wire setup, it assumes I will have a Wall Switch. This makes the diagram useless to me. Can anybody help with an adjusted diagram please? View answer

Answer posted 8 years ago

Question 28

Can you fit this in the light fitting or does it have to be in the switch socket? I think it probably has to be in the switch but I want to be sure before I start drilling out space behind the switch box. Thanks! View answers

Answer posted 8 years ago

Question 29

Which would work better with the Fibaro Dimmer 2? GU5.3 (MR16/12V) LED bulbs or GU10 (240V) LED bulbs? (I'm replacing MR16 halogen bulbs and trying to decide whether to convert to GU10 fittings). View answers

Answer posted 8 years ago

Question 30

Does this work with Samsung smart things without the fibaro controller? View answers

Answer posted 8 years ago

Question 31

How do these cope installed in metal back boxes in a brick wall? I was considering installing these in the ceiling with the light fitting, but with some of the wire configurations i have here, i will need to install deeper metallic back boxes and install behind the switches. View answer

Answer posted 8 years ago

Question 32

Will this be usable as a on/off toggle for Fluorescent tube lights? View answer

Answer posted 8 years ago

Question 33

is this a USA frequency or EU? View answer

Answer posted 8 years ago

Question 34

I'm trying to find a good light switch to connect this. Preferably a glass finish touch pad and will allow physical control of fibaro dimmer setting. Any suggestions? View answers

Answer posted 8 years ago

Question 35

Will this work if retrofitted into a box with a brass plate ? I'm concerned if the antenna will be able to connect to the z-wave network. View answers

Answer posted 8 years ago

Question 36

What's the minimum size switch box for the Fibaro Universal Dimmer 2 to fit in? I realise 45mm is recommended but will 35mm work? View answers

Answer posted 8 years ago

Question 37

Hi. I'm planning on running 2 separate LED lighting circuits, each circuit will have a separate toggle switch but I was planning on using a double switch box. Can the dimmer 2 be wired into both circuits...or do I need to buy 2 modules? View answers

Answer posted 8 years ago

Question 38

Can you use a standard 250W dimmer dial switch to operate dimming on an LED cct? View answer

Answer posted 8 years ago

Question 39

Does this work with homeseer hs3? View answers

Answer posted 8 years ago

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