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y plan

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  1. rainstorm

    Worcester Greenstar 40cd1 / Y Plan

    Evening all. Getting a little confused with regards the wiring for a Y plan when there is no controller to wire to (an internal programmer is being fitted). Since the main feed is wired into the boiler, then a switched live, switched neutral and boiler demand is taken to the wiring centre (no...
  2. sythai

    Bit of help please.... Y Plan

    Don't do much heating stuff, so after a bit of advice please. Have Y Plan System in my place and just recently when the hot water comes on so does the central heating. Even though central heating is set to off (and hot water is on auto) ? Just to try and prove things have completely...
  3. J

    y plan with wireless stat

    hi can anyone give me a website or link that has a y plan diagram with wireless stat in honey well and danfoss. every time i wire it up never seems to work quiet right, which is bad as i do it for a living lol. fine with s plan and combi its just the y plan cant work out the wireless connections...
  4. W

    y plan problem

    At job this morning y plan system but when put on heating and water off the neon on roomstat comes on when calling for heat but when you turn stat down it turns the valve off as normal but the neon on roomstat just goes dimmer and not off. tested at 10 way box and foubnd that there was a feed...
  5. 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...
  6. J

    Y Plan Headache!

    Brand new boiler, pump, room stat, 3 port valve, cyl stat & programmer fitted. Boiler will only fire when cyl stat turned up and then you can control heating from room stat. when cyl stat turned down the boiler will not fire and heating or hot water cannot be controlled. When cyl stat turned...
  7. F

    Y plan

    Hi can anyone tell me in a honeywell Y Plan system is it necessary to have the Hot Water off wire from programmer to ten block connector? , changing from an S plan system and would mean lots of hassle to put in extra cable, my thinking is once the hot water is satisfied it losses signal...
  8. M

    Colour Y Plan Diagram

    All the wiring diagrams for heating systems I've noticed aren't in colour so I thought I'd have a go at doing my own. Go easy, its not perfect but I wanted to see what you guys thought. Its really for a new install as its all new colours and ive deleted the CPC's for clarity. Do you guys agree...
  9. O

    y plan wiring diagams

    could anyone help me i have been working on a site where heating systems have been changed from y plan to combi and i am all for pulling the wires out of the ten way box and conecting them up to run a combi but i am stuffed when it comes to wiring a y plan or doing amy kind of electrical...
  10. D

    Y Plan Cert

    Alright all had a look at a job today to do a Y plan for a central heating system now im going to spur off from a socet in the bedroom and fit the spur whith a 3a fuse but do I issue a miner works or EIC. All of it will be new clock, stat, cylinder stat, ect, as there was no heating in the house...
  11. I

    Y plan problem

    Hi folks first post Trying to repair/refurbish a CH system for a friend which had stopped working. Worked on loads of Y plans faults in the past but never seen anything like this one Glow worm Fuel Saver 50 Drayton Programmer Honeywell Stats and 3 port valve. Smashed room stat replaced The...
  12. F

    Y plan wiring help needed

    Hello everyone I have recently converted my sisters old open vented semi gravity central heating system to a sealed fully pumped Yplan with Vaillant ecotec system boiler. I was full of enthusiasm for this project before i started. The installation of the boiler and re-arranging the pipework all...

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