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controller

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  1. T

    Should the hot wire be attached to the thermostat controller or the heating element terminals?

    The electrical cord on my Holmes Ceramic Heater (HCH-4051) frayed at the entry point to the heater and while removing the frayed cord, I forgot to pair (mark) the wires on both sides of the enclosure before snipping the cord. Upon inspection, I determined one wire from the electrical cord went...
  2. S

    Diode choice for snowplow controller.

    Hello,I need recommendation for type. voltage,etc diode for toggle switch controller on my fisher homesteader plow.12 volt.since I do not have any vehicle side electric harness from fisher.i purchased the plug ends for power to hydraulic pump (battery)motor,and plug end for solinoid s there are...
  3. DJAndy

    Actulux controller stays in 'Alarm' after fire panel reset

    Been having issues with a pair of linked Actulux SVM controllers. If the fire alarm is triggered the controllers show 'Alarm' and the AOVs open as expected. After the alarm is cancelled and the fire panel is reset, one of the SVM controllers goes back to normal, the other stays in 'Alarm'...
  4. D

    Absolute energy master controller

    I think my Absolute Energy Master has stopped working as the screen has gone half grey/half black. The Company Absolute has gone bust and I can't find anyone who can either fix or replace it . They had a technical support team st DSM Energy Control Ltd, but I don't think they're around either...
  5. R

    Variable fan speed controller

    Evening all, I have recently fitted a 12” air vent fan which is reversible. This was fitted with the recommended 2 speed controller air vent 401961. All works fine but I was wondering if it is possible to fit a variable speed controller. The customer wants To have more control over the speed...
  6. N

    On-off rocker switch with wall mounted LED controller

    Hi, I'm new to the forum and working on a van conversion - I also dabble in guitar pedals! I have a wall mounted LED controller hooked up to my down-lights. I'd like to be able to turn the circuit on/off at another location in the vehicle (i.e. to make a 2 way circuit). Is it possible to add...
  7. B

    New to Forum

    Hi, I'm a 72 years old electronic engineer (BSEE, MSEE, PE) living in New Zealand. Have had a 5.3Kw solar array on the roof of our house for two years and learned a fair amount about maximizing the available energy. Currently working on an intelligent controller to automatically switch loads...
  8. M

    Looking for a 12v RGB multi zone Controller.

    Needs to be at least 4 zones and 7 amps per channel. Thanks!!
  9. M

    Dimmer and PIR controlled lights.

    Hi all, I hope everyone is well! I currently have 5 downlights in my soffits controlled by a dimmer switch and a PIR security light on a timer switch and the PIR also feeds a small light beside the front door, I’m wondering if I could use the SL from the PIR to turn on the down lights as well...
  10. S

    1 CCT LED strip controller by 2 independent controllers

    Hi guys, I have a problem that I can´t solve with my lack of electrician knowledge. I have a situation, where I have one temperature changing 12V LED strip and I need to controll it from two different spots. To be exact, that CCT strip is behind my bed and I´d like to put one controller on each...
  11. DaveChase

    What is this controller for?

    So, customer has contacted me after buying a property with the intention of renting it out. It has an E7 supply with 2 boards, 1 of which feeds 2 x storage heaters - 1 up & 1 down. In the kitchen on the wall is this Horstman controller & they would like it removed preferably or at the very...
  12. pirate

    Immersion heater controller

    Good afternoon everyone, and I hope you are keeping well? A simple question really. I have to replace the timer for my immersion heater. There's not as much choice out there as I expected, but i am tempted to get one of these: https://www.tlc-direct.co.uk/Products/SGPSS.html I really just need...
  13. I

    Peak demand load controller

    Does anyone know of a controller that can turn off loads as the demand goes up? I have a house with 10x2.7kw heaters installed, the obvious problem is if there all on that's 27kw on a 100amp single phase property, there's no option to go to 3 phase and no capacity for any other appliances to...
  14. D

    Not to sure what I'm being asked by 'a schematic diagram of the controller connected to a conveyor'

    Hey, I'm a bit confused to what I'm being asked for a question that is: Task 6 As an alternative to the AC system in task 5, you have also been asked to produce a...
  15. S

    adivce on controller electric diagram

    Hi guys, I am not receiving any answers from the manufacturer so I have come here for your expertise. If you could please look at the electrical diagram and help me understand. there are 5 dry contact switches present. including for Level sensor and Alarm. with the existing configuration my...
  16. B

    LED power supply blowing LED controller

    Hi, I bought an LED bundle online. It comprises of; LED AC to DC psu 12A 15V LED controller wifi 15m LED strip (5m x 3) 3 way splitter When ever I plug the LED controller to the psu it blows, circuit board fried on the controller. The controller input read 5-24V. I have used a multimeter...
  17. J

    Sump Controller

    Can't seem to figure out the issue on a sump controller I am working on. It is a pre-built controller box, set up for two pumps (lead/lag pump system) and a 4 float system (stop,lead,lag,alarm). Both pumps are 120v, as is the control circuit. The contactor is a 3 pole contactor but shipped out...
  18. Zerax

    Weekend Challenge... Heater Controller

    Challenge I need to come up with a way to control an electric convector heater from a simple external on/off switch. I have been given several convector heaters that match the ones I already have, but I've been told that "the thermostats" have broken. I'd like to take the opportunity to re-use...
  19. A

    Charge controller question...

    Hi all. I'm after some help and probably a quote. I posted a while ago but no response so hopefully this time I might get an answer or two. I have a 4kw solar system running through a solax hybrid inverter into the house and I have a 48v lead acid battery bank (8×6v leisure batteries) giving...
  20. B

    Thermostat controller

    I want to replace my old Thermostat controller with a new one the old one has 2 wires neutral and live the new box is volt free I was told it will work I just have to put live wire to live switch and not use neutral is that true

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