Clipsal 31LCDA Load Correction Device for downlight not turning off 100%

Hi all

I have extended my existing house C-bus to an outdoor studio/cabana. The main area has 6 Brightgreen D900 Classic downlights (same type as rest of the house) on a 4 channel universal dimmer. Channel 1 & 2 both have 2 Downlights as a load , whilst Channel 3 & 4 both have 1 downlight each as a load . (Reason for this is the specific scene combination of lights I want to trigger). The channels with just 1 downlight don’t seem to have enough load to trigger a completely off state and there seems to be enough current leakage for the single downlights to be on in a very dimmed state. I believe I need a Clipsal 31LCDA Load Correction Device on the output side of the universal dimmer channels for those with just 1 downlight connected. The channels with 2 downlights have no issues . Can someone confirm that this is the correct approach to resolve or do I need to check something else as well.

Thanks

 

This would be the most logical path to take and the first thing I would try.

However I have experienced a situation where the 31 lcda didn't resolve the issue even with 2 of them connected.
If you have locally to the universal dimmer a couple of spare relay channels then consider wiring the lamps in series with the relay and dimmer.

 

Thanks that’s a good suggestion. I’ll try that if the 31lcda doesn’t resolve the issue.

 

Sorry for the late contribution.
Often, you need to install the 31LCDA right next to the load. I've found in about 50% of cases, it didn't work when installed in the switchboard (across the output and neutral) but always worked when (then) installed at the load end (inside the plug-base). Obviously, it's normally easier to install in the switchboard but have not had an issue when installed inside the plug-base.
I'd also make a note on the dimmer unit and in the Notes (db) in Toolkit for completeness.

 

Thanks for the tips. I should get the 31LCDA early next week to try out. With regards to Plug Base vs Switchboard installation my only concern with the Plug Base is the heat with only a 300mm roof gap , although it does have 2 whirlybirds. I’ll have to check the temp operating range of the 31LCDA to make sure it’s within. Good tip to include the notes in the Cbus toolkit.

 

I actually use these...

https://pierlite.com.au/products/controls-lamps-accessories/dimmers/ledsmart-load-bypass-device

Designed by the engineers who developed C-Bus. Better price than 31LCDA. Temp rating of 70 degrees C so OK in roofspace.