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controller

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  1. D

    UF controller connection to boiler

    Hi All, I have a wundafloor 3 zone uf heating system and a separate rad system running off a Baxi Ecoblue Advance heat Boiler and Megaflo tank. The rad system runs fine via a Danfoss controller but the installer has not wired the uf controller to the boiler so the uf cannot "call" for heat and...
  2. jimmy gunstone

    greenhouse climate controller voltage help

    hi, I am looking to buy a greenhouse controller from the usa as I run a small commercial plant nursery. unfortunately a good unit is hard to source in the uk. my question, can I use this from a regular uk power supply? link to the product and specs CHHC-4i Total Environmental Controller ...
  3. Scott smit

    Lights and add a controller switch / watts

    hello everyone I don’t know much about electricity but I’m looking to do a little diy project. I bought some lights now the lights say max 0.75 watts and I’m looking to add a controller to lights and that’s says it outputs 144wats will this cause a fire or some sort of unsafe project Thank...
  4. D

    Faulty Oil Burner Controller

    Chaps and Ladies. New to this forum but thought I’d pass on some info having used the forum myself in the past as a lurker. Been to a job today, not a job really but a mate. Oil boiler not firing. No lockout or anything. Bit of background I changed the solenoid coil and control box back in...
  5. Doomed

    replacing an old nobo controller

    I have a customer with a nobo system 500 orion 512 controller that has burnt out. I know that these are obsolete, but is there anything I could replace it with to control the nobo panel heaters towel rails etc please.
  6. D

    Problem with solar immersion controller and battery system.

    Hello professionals out there! This is my first question on this forum. I am not a professional and have no electrical qualifications. I have a PV and battery system. The battery was installed in 2016 and is still under guarantee. It is a Samsung 3.6 KW in the A10 series. Samsung have now...
  7. M

    200 amp switch for RC speed controller?

    Hi there. I'm working on an RC car which currently has a speed controller which has a peak of 200 amps. The power leads are meant to be connected directly to the batteries, there is no switch. I need a switch. However, just banging a 200 amp switch inside the car isn't going to work, too...
  8. A

    help with a Ziehl Abegg 560 mm, single phase fan speed controller

    Hi guys I'v got a question to do with a fan speed controller. it is Ziehl Abegg 560 mm, single phase. use electronic speed controller 6 amps..just replace a new same fan motor, when lower speed, controller temperture go up 30mins fuse(10amps)blow. when high speed , controller normal.. any...
  9. C

    Wiring a boiler controller

    I need to wire a controller for an electric boiler. Boiler is currently supplied via a 45amp breaker and a suitably large cable. Controller needs a 240v supply. Instructions suggest this can come from boiler supply via a 3a fused spur. Is it acceptable for this cable to be 2.5mm sized and a...
  10. M

    Replacing Heating Controller With Nest Heat Link

    Hi, I'm installing a nest in a vicarage where we'll only be temporarily (3-6 years) so hoping to be able to take it with us when we go, and reinstall the original timer. I've had a look at the wiring to the heating controller, and it seems to my mind that this would be the most sensible place...
  11. SparkyChick

    What is this? Lighting controller?

    Hi all, Just been to have a look at an office an existing client wants testing and found this:- Looks to be supplied by that beefy switch next to it. Two cables (3 core flex, about 1.5mm) leave top right and disappear into the roof space. On the front panel there is a switch and a thermal...
  12. B

    Solar hot water controller

    Hi all I have a viridian solar clearline v200 controller which has failed. The warranty on the unit is 2 years and it's 2.5 years old. Having spoken to them they aren't willing to help me at all and no longer stock the controller so I can't replace it. Honestly Viridian Solar are just useless...
  13. H

    PR022IC Controller Board Issue

    Can anyone give me some advice on how to properly address a bad PR022IC Controller Board? I found that there is power supply voltage on it's input terminals, but the board itself has all the LED's off and we have lost communication with the access control boards..
  14. M

    solar controller

    looking at replacing this unit anyone recommend an upgrade or direct replacement ?
  15. R

    Speed control of power tools ?

    I'm looking for a device that can plug in line with a 16 a extension cable that will control the speed of brush motors on power tools, up to a 2000 w angle grinder. I have seen PCB units on eBay but I'm not sure which one would be suitable. It would be ideal if it could be switched between 240...
  16. B

    NOBO EC700

    NOBO EC700 wireless controller that controls 6 NOBO radiators and two towel rails wirelessly has died and no replacement can be found what alternative controller if any can be used ?
  17. Derek Morrison

    Cooker Hood Problem

    Hi Guys...I'm new to the forum so Hello all. I have a Lamona cooker hood problem. Let me explain... Cooker hood fan not working. Fuse had blown in plug suggesting a problem with the actual motor but further investigation (bench test). Found capacitor to be ok. Wasn't sure about motor. Tried new...
  18. infinity

    Extending Data cable over 270M

    HI all, We have a customer who has 2 x 50 kWp solar arrays (one with SMA inverters; the other Delta) with a 50 kW export limit. He currently has a Cluster Controller / Energy Meter set up and working fine to limit one of his 50 kWp arrays (SMA) to zero export. The customer would now like to move...
  19. infinity

    Extending Data Cable for Cluster controller -

    HI all, We have a customer who has 2 x 50 kWp solar arrays (one with SMA inverters; the other Delta) with a 50 kW export limit. He currently has a Cluster Controller / Energy Meter set up and working fine to limit one of his 50 kWp arrays (SMA) to zero export. The customer would now like to...
  20. R

    Series parralell ?

    Can anyone confirm my wiring for 4 x 120w panels, my controller is 50 v max, so im going this layout. .

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