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wiring

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  1. 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...
  2. P

    Hive Smart Thermostat & Heatmiser UH4 wiring center?

    (Sorry, reposting...) 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...
  3. 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?
  4. F

    York Tank Wiring

    Afternoon gents, Came across a bit of a dinosaur on one of our boiler changes this week in then form of York tank hot water cylinder. It's a bit peculiar as it looks like an unvented cylinder but it's 25 years old and I'm pretty sure it's Fed from a loft tank via gravity, need to check...
  5. 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...
    • Ted808
    • Thread
    • boiler new boiler questions wiring
    • Replies: 14
    • Forum: Boilers
  6. 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
  7. 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...
  8. 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)...
  9. 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: Boilers
  10. 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...
  11. 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...
  12. F

    wiring a nest heat link to a heatrae sadia electromax

    In the instructions it says that the requirement for the room stat is a 2 core but obviously the heat link requires a three core, live neutral and switch live. Is it even compatible? Thanks
  13. 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
    • FLYNNE
    • Thread
    • boiler wiring
    • Replies: 3
    • Forum: Boilers
  14. 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...
  15. B

    Wiring

    Just can't get my head into gear tonight. Looking at upgrading an old open vent system. Thought about fitting system boiler and an unvented cylinder. But use a heat exchanger fir existing heating system. It would be wired as s plan but second pump on secondary side for heating would get feed...
  16. U

    Wiring a gold hot water circulating pump

    How do you wire a hot water circulating pump? Does it run on a permanent live?
    • Unregistered
    • Thread
    • hot water pump water wiring
    • Replies: 1
    • Forum: Bathroom Advice
  17. A

    Wiring for dual circuit and pump overun?

    Hi all. First post - be gentle. I have added major extension to existing house. There are two pumps each supplying a separate CH and HW zone valves. The boiler is a Worchester CDi conventional. The boiler has an overun circuit that keeps the pumps runing for 3 min after the Heating demand...
  18. S

    Help with wiring at Salus IT500 thermostat

    Hi Folks, I'm a Diyer so trying my hand at installing a new salus it500 thermostat on my current system Current system My current oil burner system is 1 zone only which heats all radiators and water together, at the boiler end I have 1 black wire and a earth going into a double switch, one for...
  19. biker-plumber

    Wiring Hive reciever to a Vaillant combi

    Does any one have a wiring diagram for the Hive reciever to a ecotec pro? It's single channel as it's heating only. Thanks
  20. P

    Mid-position Valve Wiring

    Hi All, I've searched the forum for an answer to this without luck so here goes . . . I've just replaced a Vitodens 100 system boiler with a Baxi Megaflow system boiler which is connected to an existing unvented cylinder. I've had to fit a new 3 port valve but I'm hoping to keep the existing...
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