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wiring

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  1. B

    Vaillant Vsmart Wiring on ecotec plus 831

    Hi Vaillant have confirmed the Vsmart unit will work with the older 831 Combi.. but the wiring instructions for the ebus do not match the terninals in the boiler. Has anyone fitted a vsmart unit to an 831 combi. What terminals should it be wired to? 3 and 4 without bridge?? Thanks Bob
    • bobcr
    • Thread
    • ecotec plus vaillant wiring
    • Replies: 1
    • Forum: UK Plumbers Forums
  2. finchy01

    Wiring problem?

    We recently installed some underfloor heating for a customer. I've not done it before so enlisted some help of another plumber friend of mine. Problem. Heating only = fine. CH and ufh= fine Ufh only = brings ch on too and can't be switched off on the room stat and rads get extremely hot. I've...
  3. R

    Baxi Heat Only wiring - another dilema :(

    Good morning guys and gals :) Yesterday, I went to replace an old Sime heat only boiler with a new BAXI, and didn't notice that the wiring was something that I hadn't come across before so I'm looking for a little advice on what to do. This is being done for a relative so I'm not charging the...
    • Robert Tyrrell
    • Thread
    • baxi heat wiring
    • Replies: 9
    • Forum: UK Plumbers Forums
  4. A

    wiring

    if a system has a heat pump as the primary heat source for both hot water and underfloor heating, and a gas boiler as a back-up if the heat pump becomes overwhelmed, how do you wire it all together so the boiler only kicks in when the heat pump isnt coping Also i probably need to talk to...
  5. jaydebruyne

    New heating controls and wiring

    I just need confirmation I'm doing this right as per my drawing.. Not sure if this is clear enough.. but... I've replaced an old mechanical timer and room stat and had to rewire as custard wanted them relocated. I was trying to do this without a wiring centre and it kept blowing the fuse...
  6. K

    boiler man/sparky - can anyone tell me if this is wiring is correct: google nest

    Hey guys Moving out of my flat tomorrow and I have to return the property to the orginal spec as part of my lease. I had google nest installed a while ago but cant remember how everything was originally connected. I've had a go at removing the nest and putting back the old thermostat...
  7. R

    Wiring problem I need a bit of help with :)

    Yesterday I fitted a new Worcester Grecnstar Danesmoor Kitchen system boiler (Oil, flue, and hydraulics so far) but the customer had specified, and purchased, the fascia mounted Worcester programmer and I can't work out how to connect everything up so I'm wondering if any of you bright sparks :)...
  8. finchy01

    Wiring an old cylinder stat

    Evening chaps. I had to replace a danfos hsa 3 mid position today as no hot water. Also as part of it I also had to replace the cylinder star. Problem is I have no idea on the wiring on that and it was ancient with no wiring diagrams. There's l,n & pe. I was getting 240 on both l&n when...
  9. A

    Wiring help for Combi with 2 zone valves and stats

    Hi. Does anyone please have any links for a wiring diagram for a new housing association home. It has a Baxi condensing boiler, 2 Zone valves and 2 separate Mysson MPRT programmable room thermostats. I'm assuming this is now a requirement to have upstairs and downstairs on separate zones...
  10. finchy01

    Wiring help replacing an old sun vic satchwell sm 3203

    I hate wiring. Never understood it, everytime I think I've cracked it I realise I'm completely wrong! Anyways. I'm sat on a customers landing twiddling my thumbs waiting for sunvic to call back so thought I'd post on here to see if you guys will be quicker! I'm replacing an old sun vic...
  11. U

    Hive Smart Thermostat & Heatmiser UH4 wiring center

    Hi chaps, I was looking at getting Hive Multizone for our central heating and underfloor heating. The underfloor heating will be mostly heatmiser controlled with everything wired into a Heatmiser UH4 wiring center. I wanted to know if Hive was compatible with this wiring center?
  12. Ted808

    Wiring questions... old prog? new boiler

    Hi guys... This always seems to get me and I've done the Honeywell, wiring day out, a year back or so.... So I put in a new boiler - was going for a Valliant but due to space had to go for the Glow worm Energy - heat only ... long story short... I wired it as recommended but I when I rang teci...
  13. F

    Hive 2 wiring help!!!??? already have a wireless siemens thermo--r valiant 937

    hi guys i have a valiant boiler 937 and have the wireless siemens rdj10rf its wiring is live, neutral, L1- live feed to controlled item and lx- common so 4 wires the Hive 2 (heat only) is live , neutral, common, heating on and heating off so 5 wires Please advise how to wire it? thanks
  14. M

    Wiring testing on a potterton

    Going to look at a suprima tomorrow not firing. Just looking through a fault chart on the boiler and I'm struggling with the meaning of their use of testing the components. It says on various items that you turn off the main power supply and test the two wires say on the thermistor to see if is...
  15. M

    Ideal Evomax External control wiring

    Hi All As part of an electrical install, I've been asked to wire a couple of commercial boilers in synchro. The boilers are Ideal Evomax and they have the shunt pumps below, and the external controls are 2 port valve for hot water, Central heating pump (But no 2 port valve on the heating)...
  16. P

    Boiler / Thermostat wiring

    I need some help on the wiring for a Drayton thermostat and wiring into a Procombi HE. The wiring from the Combi manual and thermostt is as shown in the attachments. My concern is that the boiler diagram is showing 4 wires : NL 2 3, but then the thermostat diagram is only using 3, N L 2 OR 3...
    • plumberdan
    • Thread
    • boiler thermostat wiring
    • Replies: 21
    • Forum: Boiler Advice Forum
  17. Savva

    No power to the wiring centre!

    I went to a job (y-plan system) where all the stats, motorised valve & the 2 channel prog were dead. The wiring centre was dead too but the spur (where the wiring centre took its perm live) was live giving 235v. I had to leave without fixing it. Anyone had this before? Any advice on what I could...
  18. Stanios

    Underfloor Manifold Wiring

    Hi all, Going on a day trip to Essex tomorrow to look at underfloor heating that wont turn off, me living 80 miles away and not knowing much about underfloor wiring the customer still persisted so hopefully he will be paying for a fix rather than the diesel. I want to check wiring and manifold...
  19. F

    Procombi CT25 Boiler Complete exploded parts diagram including wiring diagrams

    Hello I need a detailed exploded parts and wiring diagrams for the Procombi CT25 Boiler. Is there a site which I can download from ? I have tried phoning the manufacturers technical dept but I get no answer. Pease advise. Regards FLYNNE
  20. J

    Vaillant ecotec 418 wiring

    Hi lads. Having some issues with the wiring of the above boiler. I've run a new live neutral earth to the boiler from the fused spur via the wiring centre. I always thought the pump was switched with the orange on the 3 port. Now the pump live is seperate do I run the pump direct to boilers pump...
    • JCSPLUMBING
    • Thread
    • ecotec vaillant wiring
    • Replies: 3
    • Forum: UK Plumbers Forums

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