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  1. C

    Emergency Lighting Central Test Unit

    I am wiring a premises that contains a Main Distribution Board and two Sub Distribution Board (SDB). I have wired a central test unit (CTU) in each sub board for the relevant emergency lighting in the area that the SDB is feeding, however the architect wants just one central test unit in the...
    • Craig.doyle82
    • Thread
    • central emergency emergency lighting lighting test unit
    • Replies: 9
    • Forum: UK Electrical Forum
  2. polo1

    RCD tripping......yes, ANOTHER one!

    Guys, what, if anything, have I missed? Problem has apparently existed for over a year. Random tripping, no obvious pattern, but can be at 6am when only a fridge freezer will be operating (the f/f has been disconnected and still tripping occurs). It can go days/weeks and be fine with no...
  3. O

    HDMI from a central point

    I'm off to look at a job this morning where the "outline" spec for an extension and along with the normal sparky bits there is requirements for HDMI cables to run from various points back to a central point. I'm aware that some cables will run up to 15m - anyone got any experiences (good and...
  4. Rockingit

    Transit central locking issue

    I think I've somehow managed to upset the central locking on my transit (mk7) as when you lock it all up, it seems to think there's a door still open in the back, locks the front only and then beeps. I'm pretty sure it's not a mechanical issue (unless a sensor has just failed) - anyone have any...
  5. yellowvanman

    central lighting JB

    A little while ago I remember seeing a new type of JB for lighting that centralises all the connections in a 'largish' JB, similar to some I've seen that were done >30 years ago. ie. one 'power in' cable and then cables going to switches and lights. I think the one I saw had push fit...
  6. I

    Siemens rwb29si central heating timer

    Hiya all you good looking sparks, I have a Siemens rwb29si central heating timer and it is stating "service due" and has stopped my heating from working, how the f#€¥ do I reset it? thanks - - - Updated - - - I have googled it but with no luck
    • ICE
    • Thread
    • again central central heating heating number programmer siemens timer working
    • Replies: 3
    • Forum: UK Electrical Forum
  7. A

    central heating nightmare

    Hi I wonder if someone can help me I'm having trouble getting my heating and hot water to come on at the same time I've recently replaced the pump and the 3 port valve The old 3 port valve was a Honeywell mid position v4073a And the new one is siemens 3pmp-v22 but i cant seem to get it to...
    • aaron1591
    • Thread
    • central central heating earth heating neutral position valve wiring
    • Replies: 4
    • Forum: Central Heating Systems
  8. C

    help with central heating s plan plus newbie

    Hi there, I'm currently in my 4th year, been given a job which includes wiring up the heating. Don't have any real experience in this area soo help would be much appreciated. 2 combi boilers feeding 2 seperate heating zones with rads, a underfloor heating zone and a hot water circuit which is a...
    • cairns
    • Thread
    • brown central central heating cylinder heating help newbie plan s plan valve water wiring
    • Replies: 5
    • Forum: Central Heating Systems
  9. S

    Please help with this central heating wiring question!

    I’m hoping someone with more experience of central heating systems can help with this problem, as I’m sure it must be a common situation. A plumber has replaced a system boiler, which heats the central heating and also a hot water cylinder. The system comprises a programmer, pump, valve...
    • sparkol
    • Thread
    • airing boiler central central heating cupboard heating help please question relay switched wiring
    • Replies: 16
    • Forum: Central Heating Systems
  10. A

    London Day Rates

    Afternoon all, been offered some work subbying to a firm doing site temporaries for a couple of weeks, unsure what to say as a day rate, what's the going rate for subbying in central London at the moment? I currently charge £30ph for my own contracts based in Surrey/Berkshire, Cheers!
    • AMC
    • Thread
    • central electricians london london looking moment rates willing
    • Replies: 12
    • Forum: Talk Electrician Forum
  11. T

    Transformer or Central Heating buzzzzzzzzzzzzzzzzzzzzzzzz

    Hi All, I would really appreciate if someone could help me ascertain what the continuous electrical buzz/hum noise is under my floorboards? I stay in a flat directly above a shop. They had been leaving their Emergency Light on through the night and I thought this may have been contributing to...
    • Transformer
    • Thread
    • central central heating heating light noise their transformer
    • Replies: 18
    • Forum: UK Electrical Forum
  12. M

    central test unit

    does any1 know how a Garo CTU is wired for emergency lighting ?
  13. W

    central heating help

    Wired in a y plan heating system not so long back , all was well until the boiler packed in a few months back , the new boiler has terminals for the external stat inside the control panel , my stat cable goes back to the wiring centre , the stat no longer works? Help please?
    • Welshsparky
    • Thread
    • boiler central central heating heating help sometimes system terminals
    • Replies: 6
    • Forum: UK Electrical Forum
  14. K

    Liquid Cooled Inverter

    Speaking with a potential customer today that had been quoted on a German liquid cooled inverter, personally not come across this but it is suppose to be great for use in lofts etc as it is not cooled by air. I said I think he has been told a load of sales rubbish but has anyone come across this...
  15. K

    Central heating 3port valve?

    I was at a job today where there was a central heating comprising of 3port valve, what i couldn't understand was why is there HW off connection to be used in the programmer and also a third connection to be used on the tank stat, also this system also wanted a 2port valve incorporated into the...
    • Kev2632
    • Thread
    • central central heating cylinder diagram heating valve wiring
    • Replies: 16
    • Forum: UK Electrical Forum
  16. B

    Electric central heating- Heatrea Sadia???

    I've found myself in a whole new world. Anybody give me an update on Heatrea Sadia Central heating. (Heatrae Sadia). I've just had a call out to a flat that "had a problem" with the electric shower. However the MCB that blows is the 60A one in the switch room to the block of flats not the 80A on...
    • bentleds
    • Thread
    • central central heating electric electrical heating
    • Replies: 10
    • Forum: UK Electrical Forum
  17. X

    central heating controls and immersion heater wiring question

    The inlaws have had british gas round to install one of their wireless thermostat and a UP2 duel channel programmer for controlling the hot water and heating, and here in lays a potential problem. Their fuse board is an old wylex job with 3036 semi enclosed ceramic rewirable fuses and lately...
    • x4cs
    • Thread
    • central central heating circuit controls heater heating heating controls immersion immersion heater lighting question their wiring
    • Replies: 32
    • Forum: UK Electrical Forum
  18. B

    Central heating 2 gang box fitting

    I require a central heating time clock that will fit onto a 2 gang metal box Or is there a conversion kit that will allow me to fit standard one gang fitting onto 2 gang? Thanks in advance
    • brizospark
    • Thread
    • 2 gang box central central heating clock fitting heating something
    • Replies: 1
    • Forum: UK Electrical Forum
  19. B

    Reference books

    Can anyone recommend good reference books on the following subjects Central heating wiring and controls Motor theory, wiring and controls Electronic components explained Much appreciated
    • brizospark
    • Thread
    • book books central controls heating reference wiring
    • Replies: 5
    • Forum: UK Electrical Forum
  20. C

    Central Heating Relay help needed

    I have an old E type boiler that has a gravity fed water system , heated by the boiler then stored in a tank. The central heating just has a pump. I have removed the old room stat and programmer and installed a new 2 channel programmer and room stat. I thought it was all wired correctly as it...
    • connectrix
    • Thread
    • central central heating heating help needed relay
    • Replies: 32
    • Forum: UK Electrical Forum
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