central heating | Page 7

central heating

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  1. dez0178

    danfoss 103E5 control unit for central heating problem.

    Hi, My control unit is operating. The time is displaying and you can use the various functions but the problem is there is no red light illuminating and will not come on. Even the 1hr+ option isn't kicking in. The heating has been used since approx. early april. Hot water fine and so is boiler...
  2. I

    Siemens rwb29si central heating timer

    Hiya all you good looking sparks, I have a Siemens rwb29si central heating timer and it is stating "service due" and has stopped my heating from working, how the f#€¥ do I reset it? thanks - - - Updated - - - I have googled it but with no luck
  3. A

    central heating nightmare

    Hi I wonder if someone can help me I'm having trouble getting my heating and hot water to come on at the same time I've recently replaced the pump and the 3 port valve The old 3 port valve was a Honeywell mid position v4073a And the new one is siemens 3pmp-v22 but i cant seem to get it to...
  4. C

    help with central heating s plan plus newbie

    Hi there, I'm currently in my 4th year, been given a job which includes wiring up the heating. Don't have any real experience in this area soo help would be much appreciated. 2 combi boilers feeding 2 seperate heating zones with rads, a underfloor heating zone and a hot water circuit which is a...
  5. S

    Please help with this central heating wiring question!

    I’m hoping someone with more experience of central heating systems can help with this problem, as I’m sure it must be a common situation. A plumber has replaced a system boiler, which heats the central heating and also a hot water cylinder. The system comprises a programmer, pump, valve...
  6. T

    Transformer or Central Heating buzzzzzzzzzzzzzzzzzzzzzzzz

    Hi All, I would really appreciate if someone could help me ascertain what the continuous electrical buzz/hum noise is under my floorboards? I stay in a flat directly above a shop. They had been leaving their Emergency Light on through the night and I thought this may have been contributing to...
  7. W

    central heating help

    Wired in a y plan heating system not so long back , all was well until the boiler packed in a few months back , the new boiler has terminals for the external stat inside the control panel , my stat cable goes back to the wiring centre , the stat no longer works? Help please?
  8. K

    Central heating 3port valve?

    I was at a job today where there was a central heating comprising of 3port valve, what i couldn't understand was why is there HW off connection to be used in the programmer and also a third connection to be used on the tank stat, also this system also wanted a 2port valve incorporated into the...
  9. B

    Electric central heating- Heatrea Sadia???

    I've found myself in a whole new world. Anybody give me an update on Heatrea Sadia Central heating. (Heatrae Sadia). I've just had a call out to a flat that "had a problem" with the electric shower. However the MCB that blows is the 60A one in the switch room to the block of flats not the 80A on...
  10. X

    central heating controls and immersion heater wiring question

    The inlaws have had british gas round to install one of their wireless thermostat and a UP2 duel channel programmer for controlling the hot water and heating, and here in lays a potential problem. Their fuse board is an old wylex job with 3036 semi enclosed ceramic rewirable fuses and lately...
  11. B

    Central heating 2 gang box fitting

    I require a central heating time clock that will fit onto a 2 gang metal box Or is there a conversion kit that will allow me to fit standard one gang fitting onto 2 gang? Thanks in advance
  12. C

    Central Heating Relay help needed

    I have an old E type boiler that has a gravity fed water system , heated by the boiler then stored in a tank. The central heating just has a pump. I have removed the old room stat and programmer and installed a new 2 channel programmer and room stat. I thought it was all wired correctly as it...
  13. W

    Central heating help

    i have no central heating experince whatsoever! ( although ive been sparkying for 10 years ) Ive currently got a immersion tank with a 5 core flex trailing from it and a boiler downstairs with no supply.. What do i do?!
  14. F

    s plan central heating 3 zone valves

    help!! I am working with a made plumber, he has installed a S PLAN SYSTEM, but with a diverter valve ( witch is a two port eebszone valve ) near the cylinder. so in total there are 3 zone valves apparently this gets wired to the cylinder stat??? cant find any wiring diagrams to follow, they all...
  15. K

    Central heating wiring

    Certain this topic has been covered loads of times - sorry i have had very little experience of central heating wiring in the past, basically it was one person who did the vast majority of it, but now he has left the company and now it has fallen into my lap. i can wire up systems but usually...
  16. S

    Central Heating Thermostat

    I have been asked to install a new C/H Thermostat for a customer - never done one before so will be a learning curve. How easy are they to install (never seeing the wiring diagram before - of course seen one in operation) What makes are good to use, I dont know the make/model of the existing...
  17. F

    central heating timer

    problem with central heating timer ie does not allow hot water and heating on at the same time they just cancel each other out any ideas much appreciated
  18. M

    Setting up the Immersun Vs Central Heating - Help!

    The Immersun is reading "Water Hot" unless I have the thermostat on the Immersion element turned up to maximum. Currently water coming out of the taps is at about 68 degrees - far too hot for comfort. But if I set the immersion element lower than this, the boiler thermostat calls for heat and...
  19. 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...
  20. 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...

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