wiring | Page 3

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wiring

Recent contents Top users
  1. eagleeye

    Which UFH wiring centre is this

    Just put a new boiler in a property that only has UFH and old boiler switch live came from the UFH wiring Centre which is 230 volt. Problem is now that the new boiler sw/l is only low voltage so cant use the same cable. I'm trying to find out what make of unit this is so I can get some info on...
  2. Jeffrey Griffin

    Central heating wiring

    Hi there just to ask on wiring for a salus 2 channel programmer. We only have the boiler coming off this at present. We don't want to seperate the rads and water as yet as this wiring is upstairs! So we are using two channel programmer to basically operate the boiler. We have LNE coming off a...
  3. L

    Wanted; S Y & W plan valves and wiring centre - Used or Faulty

    Wanted; 2 zone valves, 1 midpoint valve, 1 3 port diverted and wiring centre - Used or Faulty Hi, I'm after the above so that I can a mock CH/HW setup to add to my electrical play rig (see link) I'm usually found on EF but figured here would be the more suitable place to ask if anyone has any...
  4. D

    CH wiring of timer/thermostat

    Hi I wonder if someone can help me with this. I have an old but good enough for my purposes Baxi Back Boiler with a Randal 102 timer and a Honeywell thermostat. I spend a significant amount of time out of the country in the winter and want to be able to control my heating via WIFI. Initially...
  5. A

    Wiring Programmable Thermostat

    Hi Guys. I have a Worcester Greenstar 30i boiler and when we moved in we had our old Thermostat removed and a Nest installed, I have now removed the Nest ready to put the old thermostat back on (Honeywell CM907) but don't know where the wires are meant to go. I think I've done the boiler bit...
  6. G

    Boiler wiring valiant

    Hello All. Hoping you guys can help me out some here please. Valiant boiler combi. Old wiring to timer and boiler removed during rewire. Advice needed on how to wire up boiler to new timer and room stat. Dediciated fused spur for boiler and exisiting 3 core wire from room stat in place. Boiler...
  7. L

    Tado & UH4 wiring centre

    Hi i intend on installing some of tado’s kit ( Numerous Thermostats/ TRV & the extension Kit) & am in the process of first fixing for it. The system will be S plan type. I have a mixture of 3 underfloor heating zones - All hardwired from tado thermostat to heating manifold zone 5 Rooms with...
  8. D

    Nest install - existing roomstat wiring

    I have a google nest (3rd gen) to replace the existing wired roomstat in my new property. Having had a quick look at the wiring it looks like it might be a high voltage one I have? (nest says something about not being compatible with high voltage wiring?) It has two wires plus an earth. There...
  9. C

    Wiring UFH and Radiators

    Boiler: Valiant Ecotec 832 UHF (new): 2 zone mixing manifold, Heatmiser Neo Air thermostats x2, Heatmiser UH8 RF (wireless) wiring centre Central Heating (existing): Netatmo radiator valves connected to Netatmo thermostat and boiler relay Other (new): Two Honeywell motorised valves - 1 for CH...
  10. R

    Dual Thermostat Wiring

    Hi guys, can anyone advise where I can get wiring diagram / instructions for a Thermomess dual thermostat. There are examples on line but not for this make of stat. Think its Italion
  11. M

    New standard for wiring heating systems

    Well I have seen it all now.
  12. A

    Danfoss zone valve wiring

    hi All, i am blocked on an issue: connecting Danfoss AMZ 112 (230VAC) ball zone valve to Heatmiser UH4 wiring center,seems wiring center turns ON the valve (open) when room stat calls for heat, which is fine, but when room stat stops calling for heat, wiring center does not close the valve...
  13. P

    Is this Wiring Correct?

    Hi Everyone, Was looking for some advice on the below. Boiler is working and controlling the heating however the hot water diverter valve is not talking to the nest and has been put onto manual override which is causing the hot water to be permanently on and extremely hot. All new parts as new...
  14. K

    Wiring center UH8-RF

    just figuring out the wiring for combined radiators and underfloor heating. Zone 1-3 not shown on my sketch but the actuators would kick the valve and pump I'm assuming as its all relays no wiring. I just need to confirm the addition of the radiator valve. Apologies for the sketch :)
  15. Bibbs118

    Weird wiring/pump over run

    Hi, I've got a rewire job next week. The current setup, old cast iron boiler with pump over run, (currently wired so pump over run isn't working). There is a (new) 2port and pump to the cyl with cyl stat with bypass. There is a bronze pump for DHW There is a (big) pump for the CH. (And...
  16. E

    Nest Opentherm wiring

    I need some help wiring nest Opentherm on vaillant boiler. It's currently wired to 2 zonevalves to split the ground floor (ugh) and first floor radiators. I have attached some images to help. Thanks
  17. R

    Nest wiring for a new Worcester heatslave 11 combi 18-25 3amp nest 5amp boiler

    Replacing a clients old standard boiler with new oil heatslave 11 combi 18-25. It has a nest wired in and looking on the instructions it says 3amp max to nest but the boiler requests 5amp. Anyone with suggestion around this. Im sure there are plenty nests wired in to oil boilers. Thanks...
    • RayPlumb
    • Thread
    • boiler combi wiring worcester
    • Replies: 5
    • Forum: Boilers
  18. D

    Salus to Worcester wiring

    Hi all. I have just purchased a wireless room thermostat for my central heating. I've come to wire in the receiver to the boiler and found the boiler manual (Worcester 28i jr) calls for three wires, as I expected but the receiver (salus rxrt510) depicts four terminals. I'm not 100% sure which...
  19. M

    Tado wiring on S-Plan with Unvented

    Hi all. Anyone install tado some tado kit before? I am wiring up an S plan with an unvented cylinder and the cylinder stat common is wired to the brown on the hw 2 port and NO is wired to DHW on. Tado needs to be wired up the standard way. Hope that makes sense. Thanks
  20. A

    System wiring

    I'm looking for advice on wiring an unvented cylinder and systems boiler. I'm ripping out a Boilermate 2000 (1st floor) and Potterton Suprima (ground floor) and was wondering if all the electrical connections for new thermostats and ability to wire to the S-Plan and boiler will already be in...
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