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controller

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  1. O

    Anyone know what this is.....

    Spotted this today - obviously the right hand plate is a light switch - but what is the left hand "device" Thanks all
  2. sythai

    New to me : Air Source Heat Pump

    Hi Chaps Starting 3 new builds shortly. Had brief chat with plumber today over phone, mentioned that an air source heat pump will be part of the set up. Pressurised system with buffer tank, UFH ground floor & rads first floor. It's a first but never had anything to do with air source heat...
  3. N

    Heating and hot water only work independently...

    Hi there, Just after a bit of advice for a family members central hesting system. They have an old style Centroller 3000 controller which controls the central heating and hot water. The system is a back boiler (not a combi) with a hot water tank, pump and a honeywell 3 port valve. Central...
  4. 123

    Immersun Solar Hw Controller

    123 submitted a new resource: Immersun Solar HW Controller - Immersun Solar HW Controller Read more about this resource...
  5. M

    Rgb Wifi Controller

    Hello Can anyone recommend a good RGB multi zone wifi control system. I have tried mi light but can't get on with it.
  6. S

    Dimming Led Lighting.

    Hi. Wonder if someone can help me. I am looking to decorate my living room and would like the following... 5x Cool white LED down lighters. Around 10 metres of cool white LED strip/tape that is going to be built into an alcove. Now I am planning in the long run on making an Arduino touch...
  7. Malcolm

    Honeywell Sundial Wireless Controller

    Hi I hope someone can help with this. I cannot contact Honeywell to help by phone (lines constantly busy) I emailed them on Monday and still heard nothing. I replaced a Honeywell smartfit wired controller and programmer with a Sundial Y9420S RF pack3 wireless system. I have found that the...
  8. the pict

    Fan speed controller

    This seems a straight forward control, however the fan runs very slow and it does adjust speed when the dial is turned down, so by taking the controller out of circuit the fan should run at full speed ??, does anyone know if this is a current or potential control, I am sure its a Vent Axia as...
  9. Soulsurfer

    eStat 761 Underfloor Heating controller fault

    Hey all, Looked at an elements eStat 761 controller today as during loads of other jobs, customer said not been working for some time since buying the house. Checked RCD fcu and fuse, all good removed controller / stat and had 244V and yet nothing on the display at all, removed floor sensor...
  10. E

    PV immersion controller

    Does any one know at what PV panel output (watts) does a immersion controller kick in. I'm looking for something around 500 watts if possible. Any advice gladly received. Ted
  11. M

    Inverter connected on the "Load" of an MTTP controller, is that alright?

    Hi, I have a client whose inverter is connected on the "Load" of his MTTP controller. I am wondering whether that's alright in terms of maximal draw: could the MPPT controller be damaged if the inverter draws too much current? (the cables are big enough to carry the current, but I'm not sure...
  12. O

    Harvester Controller

    OK guys. Came across this "beast" yesterday. A quick google search has revealed it dates back to the early 1980's, The customer doesn't want it and the temperature on the display was changing between 75 degrees and 122 degrees as I was looking at it so I'm "guessing" it is displaying the...
  13. G

    Underfloor heating Controller

    The underfloor heating controller says it will be able to pull a maximum of 16 Amps. The supply is from a 20 RCBO. 2.5mm Twin and earth to a 13 Amp switched fused spur. The load side of the spur feeds the underfloor heating controller. The owner is saying that if for what ever reason the...
  14. B

    Led rgb strip

    Hi, could be with some help please. I am looking to install led strip inside my ceiling coving. I need 13 and 11 meter lengths. I bought some off ebay but they came in 5 meter lengths and when I try to connect 2 lengths to 1 power adapter, the led strip just flickers as it seems there's not...
  15. P

    controller or led code for the new integrated IC--sk6822 led

    Hi everyone, I have got a new integrated digital rgb led strip,it seems a very good led,for it has the capability of automatic across the bad point, there is no need to repair the light, the signal can continue to transmission. but I do not how to make it work with the arduino,some people...
  16. G

    Commercial extraction canopy control getting warm

    Basically as above, trying to get through to the technical team who supplied the hood but they aren't open until 10.30am so if anyone has come across this before would appreciate an opinion. I fitted the controler which came with the fan and its getting warm to the touch. The fans pulling 3.1a...
  17. S

    Volumetric doser controller without opto-isolator on dry contact input

    Bipolar stepper motor H-bridge MOSFET output transistor burned out together with 100nF ceramic capacitor (in parallel between earth and +24V rail) and resettable PPTC fuse after someone decided to apply 110 AC voltage on dry contact input terminals. They said everything was working for couple of...
  18. T

    Hi... need some help with this circuit connection

    Hi everyone. My name is Tim and I need some help. I am looking at a motorised pack I am using to clean windows. I want to add a variable resistor, I think they are called potentiometers. I am wondering though, where should I put it and what value should I get? I think maybe 100 OHM? Hope the...
  19. D

    How to wire an electrical towel rail and wall controller?

    I have got an electric towel rail and wall controller, could somebody say how I should wire this up? I have a socket point just outside of my bathroom, can this supply be used?
  20. infinity

    SMA Cluster controller

    Has any had to install one of these? Its being used for zero export. having trouble with the energy meter and CT clamps, would be great if anyone has installed one so i could pick your brains..

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