diagram

  1. J

    Solar Thermal Schematic diagram

    Hi, Does anyone have a schematic diagram of a solar thermal install that they would like to share? Thanks John
  2. K

    Lighting circuit issue - please help

    Gents I have an issue with my lighting circuit upstairs. Truthfully I have caused it myself but I am hoping some of you guys will have an answer. 1) refurbing bathroom, removed walls and removed light switch and ceiling rose from both the separate bathroom and toilet room. 2) all upstairs...
  3. S

    retrofit LED lighting into T8

    Hi, Does anyone have a diagram for a typical 600x600 4 lamp modular fitting and how this is best modified to take LED lamps. For a ballast fitting it seems usual that two lamps are paired using 1 ballast and a choke and then a capacitor is common to all. Obviously the ballast is bypassed and...
  4. Baker1988

    unsure about homework

    Hi all i have been given homework from college and i am not sure about it, i have poseted on the general forum about this homework it is actually a practical in the workshop but i have been told to do a wiring and circuit diagram for the task this is what we are starting with and this is a...
  5. S

    Understand Electricity with Simple Theory and Diagram

    Just visit at "www[.]williamson-labs[.]com" for Understand science with Simple Theory and Diagram. Really , this is also very nice
  6. K

    Wiring diagram for a combined dunsley stove and gas boiler system.

    I've been asked to wire a heating system which I havent done before. Plumber a bit vague in how its all supposed to work. Don't even think he knows!! It incorporates a dunsley baker log burner stove and condensing system boiler. It's a gravity fed hot water tank with a neutralizer...
  7. J

    Wiring Diagram of Klik AX

    Hi Does anyone have a wiring diagram of AX Klik systems for the ceiling roses including emergency ?? This is doing my head in Much appraciated
  8. U

    lighting circuit diagram help.

    hi im a little confused on a lighting circuit at present. one switch both side of the bed controlling individual reading lights.the costumer want to be able when walking out to be able to turn both of the side lights of if required from a main switch.
  9. M

    Wiring diagram for a 3 phase motor on single phase supply

    A customer has an existing application using 2 off, 4 pole contactor/relays of Brook Crompton make, model HR1310 and 3 capacitors of 200, 60 and 20 microfarads. The 3 phase motor is an English Electric, 4 pole with nameplate details - 2 HP, 400/440, star connected, (but the motor may be delta...
  10. C

    Fire panel link.

    Working for a fire alarm company and we have to link 2 cb200 conventional panels one in a pub and one on next floor for the accommodation. There is 2 2cores running between the panels they just need connecting up. Here is the panel information PDF to see the terminals in the panel...
  11. 2

    Fan Coil Unit Schematic Diagram Interpretation (Pics)

    Using the diagram it is straight forward enough to see the water level sensor cable in the top left of the printed circuit board, which then runs into the top of the sensor, which can be seen in the last picture. How does the flood switch work though and why can't I see any evidence of it on...
  12. P

    Commercial Wiring Diagrams

    Can anyone recommend a good reference book for commercial wiring that includes wiring diagrams for emergency lighting? Thanks!
  13. C

    Ladder, circuit and schematic diagrams

    Hi there, Does anyone know where I can find a good guide book for understanding electrical ladder, circuit and schematic diagrams, especially for control circuits? I'm finding a good guide impossible to find. The ones that I have found which have a good sounding title appear to be out of print...
  14. A

    3 Phase Dol starter [help needed on wireing diagram]

    Hi, can anyone help me with any diagrams on how to wire a 3 phase Dol starter with the links put in, with the diagram also showing the incoming supply obvously being the three phases and neutral and where exactly they all get terminated. As the diagrams on google images are not that useful...
  15. C

    Is this diagram possible?

    Hi all Is the below diagram possible? There is an electric source 2 switches and one consumer. If both switches are turned off consumer device wants no power. If one of the switches are on consumer device wants power. Thanks
  16. J

    Security Light Problem

    Hi, I am having issues with a house security light; I have just replaced a movement sensitive one which was staying on all the time with a new one as I thought the sensor had gone but the new one is doing the same, I have replaced following the diagram in the box and can’t understand what could...
  17. richy3333

    Electrical diagrams/schematics software

    Hi. Can anyone suggest suitable software for drawing up electrical installation and distribution schematics? I'm looking for something to show the origin, protective devices the cable runs to other boards, where I can write on the cable sizes, protective devices etc? Any help would be greatly...
  18. 1Justin

    514.9.1 diagrams and documentation when worked on part of install?

    514.9.1 Diagrams and documentation. What is the best thing to do having worked on just part of an installation (domestic?) Example: Say I remove, change and replace a lighting circuit. Then I add 2 new circuits into empty slots in DB. So there are 3 new circuits, one of them taking the place...
  19. A

    Please Help with Wiring Diagram !I was wondering if somebody could help me with a wir

    Hi fellas, I was wondering if somebody could help me with a wiring diagram please, it is an existing system that has had underfloor heating added. The system is: Oil fired fully pumped system ie motorised valve on heating motorised valve on the dhw Addition: Underfloor heating manifold...
  20. S

    S plan wiring diagram

    Hi, I am looking for a S plan wiring diagram, Its for my AM2 test which I am taking in may, but I have never touched central heating systems, and we don't do any in work so a diagram is the next best thing this is the only thing worrying my about my AM2, cheers.
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