central heating | Page 8

central heating

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  1. yellowvanman

    Central heating wiring

    I've got to wire up a central heating system: Boiler has integral pump. 3 circuits: Heating with own valve and pump Towel rails with own valve and pump Hot water with own valve. Because the heating and towel rail have their own pump I have to somehow switch them on individually without...
  2. R

    Wiring Central Heating

    Hi everyone, I've just popped over from the plumbers forum so take it easy on me... Could anyone give me a ball park figure to wire up a combi boiler, single channel programmer + wireless room stat in a medium sized 3 bedroom house including earthing to the gas meter + cold water stop tap...
  3. S

    Help please - central heating linked monitoring???

    I've just lost a job to a company who are offering a monitoring system which links to the central heating system - what on earth are they talking about? The customer says "I have decided to go with a fully monitored system it controls the central heating and can be added to as new technology...
  4. R

    How does a s plan central heating work with Thermal Solar

    Could somebody please explain to me how an s plan central heating with thermal solar suitable energy system work please?
  5. U

    Electric Cables on top of bedroom floor joists, touching central heating pipes. Safe?

    I've recently had a complete rewire. It's been a nightmare. Electrician called back once because cables not properly chased in and some wires left exposed. Now I am securring the floorboards he had taken up and cables are running in the same groove cut into the joists for the central heating...
  6. J

    central heating pump doesnt turn off

    Hi guys a bit of help needed not done much with central heating before but been asked to have a look at one,the problem is the central heating pump overrun wont switch off so pump just runs and runs until power is turned off, any ideas appreciated, the plumber was vague too when i spoke to him...
  7. B

    Immersion heater and central heating on same circuit?

    Would you loop of an existing immersion heater spur for a new central heating spur or, would you run a seperate supply?
  8. D

    Central heating problem.

    calling all fellow Sparkys...this may or may not be an electrical issue, but I've noticed for the last few days the radiators in my house are all "luke warm". I've done the obvious, like bleeding them all..and yes the room stat is turned up!....but they are all consistantly a mild...
  9. A

    Central Heating and hot water programmer

    I am having trouble removing the front plate on a Newlec / Horstmann 425 Programmer. There is a backplate that has all the connections to it and a front plate with the timer control switches. I think it hinges or pushes into the connector on the back plate but am not sure. The later version...
  10. C

    central heating - only working for 1 hour a day!

    hello, can anyone help me please. Not sure if I need a plumber or an electrician.......I had a new Drayton lifestyle thermostat LP522 and control panel fitted approx 3 months ago. Up until last week I just used the thermostat to regulate the heating but now the boiler wont fire up at all when I...
  11. E

    Testing of central heating control wiring

    Hi all, Just after some advice on the testing of central heating control wiring. Obviously the fused spur feeding you boiler will be tested within the installation. From reading, I have become aware that the control wiring is covered by part p, there is also an option for this when submitting...
  12. E

    Central heating wiring diagram needed.

    Hello all I am currently re wiring a mansion that has an existing central heating system which on the whole is being kept with only a few alterations. All the existing wiring has been removed and so obviously requires re wiring. The plumber who is carrying out the work says that the wiring...
  13. R

    New Zone on central heating.

    I have just fitted a new Zone on the central heating and need to wire it up. The new Zone will be controlled by a Carel S90 digital thermostat. Where the Zone valves have been fitted, the timer/thermostat cable runs past, so I've cut into the cable and it has 2 lives, earth and neutral. Because...
  14. O

    Central Heating wiring mess - help please

    All, Just been to see a chap who let a "friend" look at his boiler controls. The actual controller is a very old Drayton Tempus Seven Its now not working!! and you'll see from the picture that its a bit of a muddle and most of the wires are white. There are 5 cables entering this box so is...
  15. J

    Motorised Valve on central heating

    Hi, In my central heating system the oil burner seems to be over riding the clock/timer. The following is seen: When the clock/timer is on (all 3 channels) and the thermostats in the house reach the required temperature, the motorised valves close as expected. However the oil burner does...
  16. N

    Central Heating query

    Hi, I've was called to look at a heating system that the plumber believes has a wiring fault. Everything works electrically and looking at the diagrams is all connected as per ..... however when the cylinder stat reaches temperature, the system stops pumping round the radiators. If you turn up...
  17. E

    My central heating thread.

    Hello all. If like me, you never have a look on the Central Heating forum would you mind having a quick peek at my post? (probably only worth it if you have experience in wiring for under floor central heating + rads) and see if you could offer any advice please? Sorry to the mods if this...
  18. S

    Bit of help needed testing of central heating system

    Hi guys im normally ok with testing but not too sure when it comes to central heating systems. When testing water heater do i disconnect heater element first before doing i-r test ? And when testing r1=r2 do i have to test all valves and pump ? Also as there is electronic control on oil boiler...
  19. S

    Help needed with Central Heating Wiring

    Hi Need some help with rewiring part of the central heating system in my house. I am not a qualified electrician, but I wish to carry out as much of the work myself to save a few pounds and then get a qualified electrician to check and carry out the final connection at the fuse box. The person...
  20. B

    central heating fed from spur

    bit of advice please guys. when doing a pir or cu change do you test the central heating wiring which is fed from a fcu off a ring or radial circuit. thanks neil.

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