programmer

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  1. P

    Heating programmer help please....?

    Hi Guys Changing my heating/water programmer and im stuck on the wiring ive gone from a danfoss to a Drayton and the wiring description is different ive had a go at what I think is correct but now when the heating is on and hot water off the hot water is still calling, and when I have just hot...
  2. R

    Faulty Programmer /Diverter valve head/Wiring

    I have a fully pumped Y plan heating system using a Potterton EP2 programmer. Drayton MA1 Diverter valve. I have just replaced the Actuator head as the heating was not coming on unless I had the hot water switched on as well, I then shut down the tank thermostat heating stayed on. When the...
  3. K

    Hive on a Y plan existing programmer is a Danfoss set 3m

    Hi i am a gas fitter by trade and thought the installation would be straight forward , my current programmer is a danfoss set 3m The back boxes are different , i was hoping for them to be the same like for like, any help/advice would be appreciated thanks
  4. B

    Gravity fed programmer wiring advice

    A question if I may before I dive in. I have an old gravity fed CH system which thanks to members here in the past - works very well. It has a Danfoss Randal 3060 programmer that has died. I have the original installation docs for the programmer - and it shows 7 terminals plus the earth. In the...
  5. Ap1234

    Ireland Horstmann Centaurstat 7 Room Thermostats and Heating Programmers

    Hi, I want to either replace or add a thermostat to my Heating Programmer which only has basic functions of On/Off, Timer and Boost.. Can a thermostat be connected to the programmer wiring or do I have to replace the programmer entirely with the thermostat and if so, is the wiring that’s...
  6. B

    Problem with Danfoss FP715Si Programmer

    Re: Danfoss FP715Si Programmer Anyone have any direct experience with this unit? NB: There are quite a lot of posts online about this issue, but nothing I have found that has found the cause. This Danfoss FP715Si Programmer that works fine. But the following situation occurs from time to time...
  7. S

    OpenTherm programmer stat etc

    Wired all the usual for a boiler a while back, room stat in lobby & programmer in kitchen. Was an old boiler which has now packed in. They’re putting a new boiler in which apparently has OpenTherm connections, it’s an Intergas boiler. I’ve connected to an OpenTherm boiler once before & the...
  8. Jukebox mike

    Thorlux Smart programmer

    Hello has anyone got a thorax smart pod programmer...it reads the settings in the light so u can change..white out etc
  9. P

    Help with replacing this discontinued Dimplex Programmer?

    Hey everyone, My flat has all electric panel heating and uses a Dimplex PW4 programmer that has died. It's also discontinued, i can see why as you need to be a rocket scientist to set it anyway. As this is just a switched live switch am i right in assuming it could simply be replaced...
  10. telectrix

    ariston oven programmer

    was working fine but now can't set clock. soon as press the appropriate buttons, the clock races backwards. tried power of then on. it stould display auto and 00.00. it does not display auto. only the 00.00 and the manual symbol. also every so often, it starts bleeping.
  11. R

    Boiler programmer wiring

    Ok, so im no stranger to basic electrical work, changed a few plugs, rose lights, and even a 3 valve port on a central heating system ha. I want to replace my old Myson microtimer for a more modern one. Issue i have is the wiring. The newer ones have N L 1 2 3 4 E My current one has N L 1 2 3 4...
  12. telectrix

    Landis & Gyr RWB 2 Channel Programmer Central Heating & Hot Water Timer Module

    HELP !!! i need to replace the above. priced at £225.00, client not happy. what i would like from esteemed experts in heating field is ... what can i replace with at sensible cost. connection wise, there is only L and N in and a T/E back to wiring centre in 3 and 4.
  13. telectrix

    Horstmann Programmer.

    as title. got a customer with a failed Horstmann 7 hot water programmer,, as in just the hot water, not central heating. programme it for off peak on the bottom element and with a manual boost for daytime on the top element. can't seem to find anywhere, all i get is water/ch programmers.
  14. C

    Electric cyclinder programmer - advice needed

    Hi all, unvented electric 3kw cylinder to be fitted to property alongside electric water heater for radiators. The water heater has terminals for supply and control wiring, the cylinder does not. I was hoping to use original half of standard 2 channel programmer for the water cylinder timing...
  15. M

    Siemens RWB29 programmer wiring

    Hi, Can anybody give advice on the following, please? Have fitted all my radiators with thermostatic radiator valves, so wish to remove the room stat from the hallway. Would like to alter the central heating wiring to remove the section that is shown wired to the room stat. Can I just...
  16. G

    Megaflo Y plan problem

    Hi there, I have a Megaflow wired to spec here (bottom of p21), i.e. in a Y plan with additional 2-port valve. When CH is on and the stat switches to satisfied, heating sometimes stays on, sometimes switches off as commanded. I thought it might be the 3-port's head so replaced that; is it...
  17. X

    Programmer live in and live out reversed

    hey, I’m a gas safe plumber and today I came across a programmer wired backwards basically, the live in and live out mixed up yet the boiler was still functioning without issue, calling for heat as should. Anyone care to educate me on the issue with the above or does it not really matter?
  18. P

    Y Plan fault - damaging programmer

    Hi, I have a Y Plan system that has worked fine for years but recently developed a strange fault where the hot water on/off is only controlled by the Cylinder thermostat. The HW relay on the programmer is permanently on and although the relay clicks, its output does not change status with the...
  19. C

    Heating programmer problem

    Recently had installed a timeguard 2 channel heating programmer. When I set program for CH starts pump but does not fire up, if I also set program for water then CH comes on. This causes a real pain when setting timer, as I have to set 3 times 7 times 2 settings =42! Also I would prefer a...
  20. S

    Neutral connection to heating programmer

    gas engineer can't fit new heating programmer as I need a neutral connection on the back plate. Advised to get an electrician. How much would this cost or would it be better getting a new heating system?

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