Dimmable LED again..

[freddy871]

Installed 10 x downlights into living room. Bought a set of hoods and bulbs from local distributor as follows.

Bulbs are same as ones here :- Have to say not heard of them before.
http://www.lemonbest.com/12w-220v-g...t-for-home-garden-business-lighting-lemonbest

Double dimmer switch from screwfix :-
Varilight Trailing Edge Push Dimmer 2G 1/2W 2 x 250W/VA
http://www.screwfix.com/p/varilight-trailing-edge-push-dimmer-2g-1-2w-2-x-250w-va/98455

6 X downlights on one with 4 x downlight on second.

Did some basic reading on what was required so the V-PRO switch looked ok. All installed and working fine, however cannot dim LED's any lower than about 40% before slight flickering becomes apparent. Read through some posts, lots of ideas on what should/should not be used.

Swich is set to trailing edge.

Any advice would be appreciated, (could it be the bulbs/switch, or do i need to increase load.?) .

Thx JB

 

[Elvis3577]

I have had a look at the lamps you purchased, I am not 100% sure that they are dimmable, the dimmer will have a minimum load stated on it but LED lamps have a resistor inside now a days to fool the dimmer if you like and it will work fine.

I have purchased lamps from this company before, they are expensive but they are very reliable and can be dimmed with ease. They are also a proper retrofit as some LED lamps are longer and cause issues with fitting in the light.

Hope this helps, I think the dimmer is fine as I have used those before, it would seem the issue is with the lamps.

LED LAMP LINK
http://www.luxurylighting.co.uk/gu10-led-lamp-35-watt-warm-white-dimmable-limited-stock-26275-p.asp

Hope this helps...

 

[phatboy]

Varilight acknowledge now that some bulbs don't dim well, so they sell an 'Active Load Device' for about £8, that almost completely resolves the issue. I have 1 fitted and the dimming is a lot better.

 

[freddy871]

Its fustrating because they work perfectly on bright all the way down to around 40%, then i see a very slight flicker creep in. Am i being optimistic in trying to get them to dim down to around 10% with active load device, or has your experience seen results of 10%.

Jb

 

[phatboy]

I think about 15% original brightness I can get them down to, roughly.

You can adjust the dimmer so that that becomes the minimum, so you get a little more control in the spectrum it can dim. Not perfect, but pretty good.

 

[freddy871]

ca i ask how many downlights you are running as just want to compare.. I have 6 on one switch and 4 on the other.?

Cheers JB

 

[phatboy]

I have 6 on one, and 9 on the other.

They are all 4.5w LumiLife bulbs.

 

[freddy871]

Cheers PB, dont really want to throw the bulbs away and replace so soon, so will order a couple of the load devices and give it a go.

JB