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wiring

  1. G

    worcester bosh greenstar ri wiring

    hey guys, just been to quote for a job to replace the wiring center/programmer along with fitting a new greenstar ri. just researching the wiring as i only really fit combis ive noticed i need to wire the pump direct to the boiler for the pump overun - got that bit in the boiler we have a...
  2. D

    Wiring a replacement Worcester RI

    Hello all. Im hoping for some help with wiring a Worcester RI heat only boiler please. I need to replace an Ideal FF250 P boiler with the worcester. only thing is I only have live neutral earth in 3 core sticking out of the wall in utility room. the rest of controls are upstairs in airing...
  3. jaydebruyne

    Help needed with wiring heating systems/controls

    Went to a job today after fitting a new 15/60 grundfoss pump.. Switched everything on and it wasn't getting any current. Long story short had to call the boss who after a few calls got quite frustrated with me as I just wasn't really understanding what he was getting me to do. I've never...
  4. F

    pumped zone wiring

    help needed need wiring diagram 4 pumped zones all on stats and work alone but need boiler pump over run to work on atleast one of the zones thanks
  5. P

    Worcester 27 RI wiring problems

    Hi everyone Just removed a glowworm 330 and installed a worcester 27 RI. The original wiring came from the junction box and was connected to the glowworm as follows: mains live, switch live, neutral, earth and a pump live. There is a mechanical thermostat and a Drayton digital programmer which...
  6. R

    Wiring diagram needed please

    Hi all, need some help or pointers please father in law has a system that I am upgrading. He doesn't have a room stat or tank stat. current set up is a baxi back boiler with a grundfos ups2 pump, 3 port Honeywell valve, danfos 3020p. so heating works and hot water works but both together, he...
  7. S

    S Plan Plus - Wiring Diagram

    Hi Guys I currently have a combi boiler with a single prog stat wired direct to the boiler. I am putting in UFH in my kicthen diner and have to zone off using an S Plan Plus config. I have a Worcester Bosch boiler. I have drawn up the attached wiring diagram, would anyone be able to verify...
  8. C

    Dodgy Undersink Wiring

    Does this undersink wiring meet health and safety standards?
  9. M

    3 way valve wiring. Control panel wiring

    Hi Hope someone can help me out. My Central heating has not been working for a while. I narrowed it down to the 3 port valve. Its a Sunvic 3 Port Valve. It look fairly old, and I thought it was broken. I took it off the top of the valve and turned the heating and hot water on and...
  10. Stanios

    Wiring in Underfloor Heating

    Hi guys got a Honeywell evohome to wire up tomorrow, rads on one zone, hot water and third will be underfloor. The underfloor is only for kitchen so its one zone. Thing is ive never wired underfloor, what I was going to do is just wire in a stat to the motorised valve to underfloor manifold +...
  11. C

    Valiant 831 Boiler - Wiring of thermostats and motorised valves?!

    Sorry in advance for the long thread! Just want to make sure i provided as much detail as possible. We are currently building an extension and whilst devastating the house have decided to install a new boiler, we have also opted for a John Guest UFH system to be installed in the new...
  12. A

    JG UFH Wiring Help

    Hi all, i need a bit of help regarding wiring of the 2 port zone valve on the JG WWC. I spoke with some girl in technical at JG last week and she told me to wire the L N E to the UFH Zone valve terminals as per the diagram, next she told me to disregard the grey & orange wires and put a...
  13. Riley

    Wiring in Honeywell set up.

    Did an install for a landlord the other day. I supplied boiler and unvented. He supplied all controls (he insisted) the wiring centre was one of these supposedly idiot proof ones so I thought what the hell let's give it a bash, but I seem to have an issue. It's an S plan system and I can...
  14. F

    HONEYWELL DT90E Wiring Advice.

    Hi one and all, I have a Worcester Bosch 28CDi Compact Combi Boiler, which was newly installed 2 months ago. It replaced my old Alpha CB33HE Boiler. I had a Honeywell ST6100A Timer, which I replaced with a Honeywell ST9100A Timer, just to update the system. I have a Danfoss RMT230 mechanical...
  15. A

    CDI Compact. Wiring loom, loose wire with block what's it for?

    Hi guys went and piped up a compact CDI today, first day doing one of these and was impressed with it. Was having a nosy around it because i'll be back there Monday to finish off the install. There was a block with 2 blue wires coming out of it that was hanging loose and i couldn't see another...
  16. M

    Strange programmer wallplate wiring - no HW

    Hello, Hopefully someone might be able to assist me! I've been playing around with my new Tado (smart thermostat) system and have noticed something odd that the HW turns the CH on but doesn't heat any water. I recently moved into the house and the previous owners just ran the HW off the...
  17. S

    Wiring help please

    I'm trying to figure out how to wire in our new thermostat but I cannot find any wiring diagrams specific to our system, even though I'm sure it's a fairly standard setup. System details: Vented system, tank in loft, boiler in utility and HWC in airing cupboard The hot water from the boiler...
  18. F

    Ideal Logic + 24Kw Heat only wiring issues

    Evening all Fitted the above today but I'm having some wiring issues I've connected the switch live inside the boiler & to the orange wire from the 3 port in the airing cupboard, as per MI. But when the room stat or cylinder stat turns the system off the boiler completely dies, as if the...
  19. C

    Two pump multiple zone wiring diagram with pump overrun and mid position valve

    I had an original central heating/hot water system incorporating a single pump, single room stat and a mid-position valve. I have now built an extension and extended the heating system so that I have 2 pumps and an additional 3 zones each controlled with its own valve and stat. There is a single...
  20. W

    Wiring diagram for central heating

    Hi, I am new to the forum and look forward to help from clever people. I have installed a central heating system with zone valves. The wiring diagram shows the thermostats wired in parallel, so both valves open when the stats call. I know having different temperatures set would solve the...
    • wistle
    • Thread
    • central central heating heating wiring
    • Replies: 6
    • Forum: Central Heating Forum

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