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  1. S

    DMX Dimmable LED Downlighters

    I'm out of my depth on this one and need help! I have been asked by a customer to source and install some LED downlights (50W equivalent) that he wants to dim in increments of 0.5%. He's talking about somethin called DMX that he's seen at a home building show. A trip to my wholesalers was...
  2. M

    110 v motor with speed controller

    Hi all thanks for letting me join im generally very good at working out elecrical things but this has got me a little stumped. I am trying to install this speed controller to my 110v ac motor (please see attached photos) I have been told this is the correct controller for this motor and the...
  3. sibbits

    dali controller???

    i have been asked to dim some led 600x600 panels ,they have a dali 1-10 input but i am unsure of the controller needed. the only other times ive used dali type dimming was from an area controller in a riser but, seeing as this is a one room jobbie i am unsure of any stand alone kit Any suggestions??
  4. N

    Flickering LEDs when i use my laptop HELP!

    Hi there, i have a problem where I can't use my laptop on my 12v system even though my (probably terrible) maths says it should work fine. Ill give you the specs first 290 w Solar Panel PWM charge Controller 110 AH Leisure battery CCA 800 Laptop = Macbook pro, DC power supply is 11.6 - 16 v @...
  5. B

    Circutor power analyzer and motor controller

    Hi Guys, Still trying to get rid of my power analyzer kit. It is a Circutor AR5-L and is completely new with all leads, software, and bag etc. I will even throw in a light lux meter and a powerboss solo motor controller. I have tested all and it works 100% and is ready to go! I am only...
  6. T

    Outdoor LED strip... Colour changing

    Hello Guys, I've got a garden lighting job to do in Feb, a long way a way I know. The company I am doing it for, (garden lighting designer) usually only design very simple 12v garden lighting systems, simple on and off. However this time they have a job for a designer who has asked for colour...
  7. B

    help with a fan speed controller

    Hi guys I'v got a question to do with a fan speed controller. It's a systemair STL-0100-at. I can't get the model of the fan/ motor it's controlling due to the badge being weathered. Bit it is single phase. I am just wondering how these speed controllers work. I was called to a site for the...
  8. U

    Vent Axia LuminAir T - Transformer controller - Where can I get one?

    Hi, a customer's shower extractor/light unit has partially failed. I have identified the fault as one side of the transformer unit (low voltage side to light unit). I have spent 2 hours on the web trying to source the new transformer. The whole shower/transformer/fan/light unit is available new...
  9. S

    Generator set with ATS and UPS

    Hi guys, been wiring up a 3ph 20kva generator set and auto transfer switch, mains supply is 3ph TN-C-S 80a cut outs, the set is a Perkins with deep sea electronics 6120 controller. The set runs ok until I turn on the circuit (ring final) that has the ups's in the server room on, the load is...
  10. S

    Commercial canopy fan help

    Hi i have a canopy fan to wire up the problem is a 3rd party has left no wiring diagram for it. It will be working of a speed controller which has the connections N L E U1 U2 1 2 . The Fans make is RUCK Ventilation DVNI 500 E4 Single phase it has 5 conenctions at the isolator. It is numbered...
  11. G

    Underfloor Heating

    Anybody had problems with under floor heating fitted a 2m & 9.5m heatstore in parallel onto insulated board both tested fine before and after self levelling added and carndean wood floor tested ohms ok after left for about 8 weeks as customer not in house at time wired in and quick start on...
  12. D

    PLC training rig

    hi all :waving: i am new to electricians forum, does anyone know of a good siemens plc to set up as a training rig at home (in man cave), i need some thing that can be added to as i progress learning plc programming and building projects, i have been looking at s7 200 & s7 300 but not sure...
  13. H

    Problem with DALI & Led's

    Hi all, I have a customer who already bought all the lights for his home. He has bought 7W 12Vac dimmable Leds. I have been searching and all the dali controllers i have found for Led's work with a PWM controller and are for 12Vdc Leds. Does anyone of you know which model of controller I could...
  14. J

    Another immersion heater controller....

    Morning all Has anyone come across or used the Solamiser? GET FREE HOT WATER FROM SURPLUS SOLAR PANEL PV ENERGY WITH SOLAMISER A fair bit cheaper than the usual suspects, without the bells and whistles, which might make using excess generation for space heating more cost effective. (Pity us...
  15. L

    Testing a boiler fan unit (Keston C40)

    Hi Any help appreciated! Boiler error code says fan problem. Plumber wants to replace but at £200 I first want to be sure that the fan is the problem and not the controller. The fan has two supplies: 230v (which I have tested and is fine) and then a low DC feed from the boiler controller to the...
  16. amlu

    manrose humidistat extractor controller.

    one like that: Remote Humidistat Fan Control & Timer there are connections for switched live, live, there is timer setting, there is humidity setting. can`t get how this is going to behave when installed. 1. fan on together with light, duration adjustable with timer, but only when humidity...
  17. SibertSolar

    Proportional Controller Technologies

    For anyone that might be interested or is curious to know the differences in functionality being employed out there - Technology Overview
  18. A

    Dali ballast / controller

    I need to source a dali ballast, but it needs to have a 230v output instead of 12v. Has anyone used or heard of one? if so where did you get it from.
  19. Energetic

    What is the definitive Immersion Controller?

    We started out on the Wooldridge as it was the first proportional controller to market, moved to the Immersun when it came out as it was a bit prettier and programmable. I am now looking at the Marlec iBoost given Immersuns wireless version still hasn't been launched, anyone got any feedback...
  20. N

    cheap chinese pv panels an 12v system on boat

    hello all . my 1st post here. basicly i have made a booboo . a friend gave me some pv panels very simuler to these 235W High Efficiency PV Solar Panels Products - China Solar Panels,Solar System an i live on a canal boat with a 12v system. these panels seem to chuck out at nearly 30v. so my...

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