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cylinder

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  1. O

    S Plan Assumed Knowledge - Need General Info

    Hi All. Am about to enter into the world of S Plan heating systems and need some general knowledge as I have none when it comes to plumbing. The system comprises of the following: It is a Danfoss S Plan With 2 * 2 Port Zone Valves With Programmable Heating & Hot Water Thermostats 1 Worcester...
  2. D

    Cylinder Themostat Wiring?

    Hi I've just changed my copper hot water cylinder and purchased a new themostat. (Honeywell L641A Cylinder Thermostat). The original one was a Switchmaster which had 4 wires Black, Blue. Brown and Green/Yellow On installing the new themostat it only has C, 1 and 2 but dosn't need an earth...
  3. L

    Has this cylinder been damaged?

    Guys Called to a HW fault of a heating system, fully pumped 2 plan, 2 X 2port valves The cylinder is a santon pp120b, the connections are signal in on 1, signal out on 2 and 3 is to grey(permanent live) on the valve, it was wired correctly on 1 & 2 but a neutral was run to 3, has this been...
  4. A

    Electric cylinder boiler question

    Hi, I have bought a flat with an electric boiler - the flat is all electric. The boiler is a Vented Cyclinder ; the exact title is a "Kernal Plumbing Unit" - as below: Kernel Plumbing Units My question is: 1. As this is not gas powered - do I need to service it? It is 10 years old, but...
  5. 2

    Hot Water Cylinder Stat Wiring Question

    Came across a Heatrae Sadia hot water cylinder in my travels and was intrigued as to why the single phase supply was wired through two stats before going to the element terminal. Enquired with a colleague who said one stat is used for temperature cut out and the other for temperature...
  6. C

    help needed with non standard heating system

    hi, system has CH & HW Zones system also has back bolier system has no motorized valves so there is 2 zone time clock 1 room stat 1 cylinder stat 1 pipe stat (on back boiler flow pipe) what i need to happen: CH turned on = fire Boiler & Circulating pump HW turned on = fire Just boiler Back...
  7. E

    couple of questions regarding y plan and s plan heating system question

    If the cylinder isn't full of hot water and you turn a hot tap on, will boiler give you hot water or does cylinder need to fill up 1st?? daft question i know... And connected potterton boiler and read in the manual that there was no need for a permanent live if system is completely trv'd. So...
  8. B

    cant drain Combination cylinder to change the immersions ????

    Hi all I know im missing something here, i cant see a drain off tap or any way of doing it. I thourght i got it undone the immersion and got soaked not to metion the panic in the loft that the nice new room below was ruined. I cleaned up and made my excuses and left. I do have to go back...
  9. N

    first job.. new boiler? what do i do?

    Hi guys, Ive officially been givin my first ever job since leaving college and today it wasnt as i thought it would be.. I have been quoted to do a job for a new boiler. :shocked: can a person who has completed level 2 n level 3 2330 do this kind of job or do i have to refer it to someone...
  10. D

    From Y plan to S plan, what do you do with the cylinder stat 'satisfied' wire

    The question is pretty much in the title, if you were converting from Y plan to S plan I'm not sure what you would do with the cylinder stat satisfied wire, would you simply put a connector on the other end in case it were ever needed in the future? Thanks for any help Down2earth
  11. ringer

    New cylinder thermostat required - which one?

    In process of investigating intermittent fault with hot water system. Suspect it may be the cylinder stat (the type that is strapped around the hot water cylinder) and for the price of them (£10-£20) seems to be a no-brainer to fit a new one. Existing one is a Satchwell SA36, and very old (temp...
  12. B

    How to connect an immersion boiler cylinder stat to a back boiler???

    Hi, Ive just started out as an electrician and ive got a job to connect a a new immersion cylinder stat to a back boiler behind fire place. Is this job easy to carry out and are the connection easy to wire up??? Thanks for your help
  13. S

    Cylinder Stat

    Mate wants a cylinder stat put on cylinder in his new house. Theres seems to be an outlet that may have been used for one before as there was a stat before but not now. The fused outlet only has a live neutral earth though. Is it possible this was used for stat or not?
  14. D

    Wireless control of Valves in a Y Plan Central Heating system

    Does anyone know if any companies do wireless control of the valves in a Y plan system? I have looked at the Honeywell solution using ST9420C as the controller but this is WIRED. The room stats (DT92E) are wireless to the controller though which is a start. What I ideally want is a system...
  15. Energetic

    Solar Thermal

    I know this is somewhat off topic but we've been asked to look at an existing Thermal system by one of our potential PV customers. It's 2 years old installed incorrectly by a cowboy who's now in the process of folding. The customer wants a new panel but would like to re-use the existing...
  16. U

    help connecting up a s plan central heating.

    hello just doing my first s plan not much experience in central heating controls.the system is a vailiant boiler, vailiant cylinder. 2 x 2 port zone valves, a danfoss 2 channel programmer,and a danfoss electronic room stat. i have just 1st fixed and 2nd fix monday morning.happy with the...
  17. M

    Central heating systems

    Does anyone know a good site for diagrams? I've been trying to understand central heating for a while now but it all goes straight over my head. Manufacturer provided diagrams seriously confuse me and i'm starting to get worried, i want to know exactly what i'm doing before i finish my...
  18. S

    Acer Aspire 5100 Power Cable

    Hi I have an acer aspire 5100 laptop, the cable for me is broke, on the end that plugs into the laptop there is a small cyclinder thing where the wire goes into one end and comes out the other onto about 3cm of wire and then onto the adapter that goes into the laptop. The wire has been dodgy for...
  19. G

    testing problem

    Hi to all, I have a question im hoping someone can answer for me.I have just bought my first multi test meter a seaward 1557 which does eveything it should.But when i tested the rcd times it refused to do a test at 1x and came up with >50v on the meter and stopped the sequence.My system is a...

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