y plan

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  1. A

    Y plan help

    Hi, Wondering if anyone can offer me some advice. I've just gone to a job to relocate and wire a new cylinder stat for a pressurised system. I wired it all in but could not get the central heating to work without the hot water being off. I spent a bit of time checking and couldn't figure it out...
  2. T

    Hive on a y plan

    Hi, my knowledge on system boiler wiring is fairly limited and I have a job where I need to install a new hive 2 chan prog. The plumber removed the old stat and programmer and wiring already. I'm just trying to make sure I know exactly what I'm doing before I arrive. The confusing bit is that...
  3. G

    y plan mid position valve

    Hi and thanks for looking any advice would be much appreciated I have a Y plan system Mid position valve stuck on heating and will not pass to middle or water customer just moved into home, new valve head fitted no luck and all wiring looks good any help appreciated thanks
  4. M

    Valve on Y Plan

    I was asked to wire up a boiler / pump / valve / 2 channel 7 day programmer / frost stat (no room stat) today "connect the boiler up, its a Y plan" However it has caused me some confusion. The valve has the following connections over 2 seperate flexes On one flex- blue (neutral) brown...
  5. S

    How much do you guys in the South charge for wiring basic S and Y plan systems?

    As title suggests - labour only??
  6. stidge

    Y plan with 2 port twisting my melons man

    Hi all, some help please. Wiring boiler on y plan (new Drayton mid pos) and an old Honeywell 2 port. Hot water works fine ( through dual stat).cannot get boiler to fire on heating, checked room stat, mid pos opening but on orange sw/l to boiler only getting 60-68 volts so obviously boiler not...
  7. J

    2 Cylinder thermostats on a Y plan System

    Hi All - can anyone please help me? I have a Y plan heating system with the boiler, wiring centre and three port valve located in the basement of the property. The hot water cylinder is located on the first floor. A three core cable is running from the wiring centre to the cylinder thermostat...
    • jarob
    • Thread
    • cylinder system termostat thermostats water y plan
    • Replies: 5
    • Forum: Central Heating Systems
  8. V

    Y plan heating system. Boiler Change Problem.

    Hi people. Here's one for you. Problem with a boiler change. Engineers changed an Ideal FF250 classic system boiler, to an Ariston Evo System boiler. (System boiler to system boiler) FF250 classic is 3 wire boiler and all that there is a 3 core flex which went into L N E (L being switched...
    • v.elec
    • Thread
    • boiler change heating problem relay system valve voltage y plan
    • Replies: 2
    • Forum: Central Heating Systems
  9. P

    Problem with a Sundial Y Plan system

    Hi I'm investigating a Fully pumped Honeywell Sundial Y plan system with a mid position zone valve. The customer only had hot water. I found that the motor on the valve was knackered and changed it. I also had to replace the Sundial Wiring Centre and swopped the wiring over one for one (I...
  10. A

    Y plan

    I was just looking at the Y plan diagram. In a box at the top it states that when there is 230v to the grey wire of the valve the orange has 50v - 150v. Why is this?
  11. N

    Y plan mares

    Hi all having trouble with a y plan just moved the old broken time clock from the garage to inside of the house (new clock) the problem im getting is when calling for hot water we are getting heat into the radiators rechecked the wiring to make sure no wires crossed and all proves ok i have...
  12. Top Cat

    Adding wet under floor heating to a Y plan

    Hi as i am a new guy i can't do a diagram so will have to explain. Have just done a job for a plumber adding a wet under floor heating system to a Y plan heating system. I have got a time clock operating a new 2 port Honeywell motorised valve. When the time clock is calling for heat the valve...
  13. P

    y plan heating system.

    I currently have a y plan heating system with a honeywell st699 time set, it got knocked and has stopped working. I have been given a drayton lifestyle lp111si off a friend, is it compatable with y plan mid position valve heating system? I just got the programmer with no instructions. Any help...
    • peter knighting
    • Thread
    • heating program programmer system water y plan
    • Replies: 5
    • Forum: Central Heating Systems
  14. F

    Y plan wiring system

    Help, I have a y plan wiring system I need to change, I have a Drayton wiring system, stat, cylinder stat, wiring loom, time clock, and the plumber has installed a Honeywell valve, is the wiring in the Honeywell valve the same as a Drayton valve i.e. same colors?, regarding the links in the...
  15. B

    y plan heating system

    Hi im wiring a y plan heating system which ive done before a few times but cant seem to get my head around it. A few questions really. Q1 does boiler supply come from wiring centre with fcu close by or need its own circuit from c.u. via fcu. Can wiring centre come from fcu of ring circuit (would...
    • biggles
    • Thread
    • aus boiler centre heating right supply system wiring y plan
    • Replies: 12
    • Forum: Australia
  16. E

    y plan / s plan mixed

    Is there such a thing as a 2 port and 3 port valve heating sytem and can they work in unison. saw one today and it kind of baffled me
  17. 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...
    • egginyourface
    • Thread
    • boiler couple cylinder heating question questions regarding s plan system water y plan
    • Replies: 12
    • Forum: Central Heating Systems
  18. N

    Wiring UFH to existing y plan

    Hi, Please bare with me. I have attached a diagram of the plumbing that has been done to create the UFH. and the current wiring diagram for the CH and HW, My problem is i have heard alot about "bakfeed" to the mid position valve through the orange wire. Is there a wiring diagram including my new...
  19. 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
  20. V

    Drayton 3 port valve wiring - Y Plan

    I have a old (1970s) Draton 3 port valve that I am trying to wire into my wiring centre on my heating. The coloured wires are as follows: yellow, black, blue, white and green/yellow. I have managed to track these down to (at the bottom of this wiki page): Yellow - CH & HW Black - Neutral Blue...

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