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  1. O

    Ideal classic ff380 - cycling

    Picked my dads infrared thermometer up after work tonight and had a shot at getting a reading. Put a black piece of PVC taper over the pipe to get a more consistent reading. I got 52c on the flow and 39c on the return. The boiler stat is set to 3 which i think equates to roughly 65-67c...
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    Ideal classic ff380 - cycling

    Now I'm wondering if the system still isn't set up right I noticed that the return pipe according to the manual was the one getting hot first. So I thought the pump was drawing heat away from the wrong pipe. The pump is upstairs and the arrow is pointing upwards. Now the simple fix...
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    Ideal classic ff380 - cycling

    I should add The stupid cretin who installed this system put the pump on the return and it ran like this for 10 years. I'm not sure if the pump potentially could be tired even more so from this error. Also I have not had the stat changed.
  4. O

    Ideal classic ff380 - cycling

    Anyone very familiar with this range of boiler? It's an old one, fitted around 12 years ago. I am trying to determine if I have a flow / blockage issue or if it's normal to cycle so soon and often. After it comes in it last around 15mins before stopping. Finger touch the flow seems to have...
  5. O

    Pump speed and boiler cut out

    Thanks guys I'm good with electronics but as it's a case off job, time to ring my gas man. I'm just puzzled why it doesn't happen at lower pump speed. 10 years of heat and I wouldn't be surprised if the pcb had dry joints. I did think it's either the relay that has carbon on the...
  6. O

    Pump speed and boiler cut out

    I agree this old boiler does need to cycle but due to having to use the slower pump speed it begins cycling prematurely i feel because the output is quite high and the pump isn't moving the heat away quickly enough. But on speed 3 it clicks rapidly and cuts out which is just as bad...
  7. O

    Pump speed and boiler cut out

    thank you all yes cycling increases at a lower stat temp on the boiler. Shocked but when extractor was being fitted i checked cavity and nothing, same when i changed the bathroom extractor. I thought it was flow too, but it does it on hot water heating only too so i ruled out TRVs...
  8. O

    Pump speed and boiler cut out

    Boiler temp is on 6 to prevent it from cycling as much, which is max. Actually slightly below max incase there is play in the old stat. I do have a wall stat but no bypass valve and yes house is 10 years old. I did the size calculation after checking all the measurements and it came out...
  9. O

    Pump speed and boiler cut out

    I am having a problem with our boiler which is rapidly clicking and cutting out. It is an ideal classic ff380. The pump is a grundfos 16-50 (130) and this system serves 20 radiators, 70% of the radiators have trvs. If I set the pump to 3 it rarely cycles, system gets up to temp but...
  10. O

    Can i prevent kettling?

    All sorts of CH issues in our new house since moving in last year. 3 storey and about 20 rads from ideal classic ff380. TRV's on all rads on 1st and 2nd floor (apart from landings). No TRV's on all rads on ground floor. Issue is, once all TRV's are closing / closed the boiler begins to...
  11. O

    Megaflo cylinder temp

    How do I adjust the hot water temperature on my megaflo 210L? The manual suggests it's calibrated to 60c from manufacturer and that the dial 1-5 is possibly the immersion. Is this dial immersion or for the cyclinder. I don't know how to check it's at 60c ideally I'd like it a tad hotter...
  12. O

    Boiler knocking

    Hello I'm looking for some advice on a knocking boiler. The boiler is most likely kettling I think. Within a couple of mins the ideal classic ff380 begins kettling. The system was drained last year and the system water was clear. I've drained a bit off and still clear. I still hear...
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    Video - Whats up with this Ideal Classic - clicking?

    ok i understand as for the pump, that's where i have to concede, i thought it was always directly wired on signal live. The location is different, it's on the middle floor next to the hot water cylinder and the boiler is on the ground floor. Pump being on separate isolation switch this is all...
  14. O

    Video - Whats up with this Ideal Classic - clicking?

    That's a shame - i didnt think i was asking for advice on combustion etc i was just curious to know if people thought the boiler shut down was due to circulation, trapped air or faulty gas valve solenoid which is very common on these boilers. I asked because i'm puzzled why i dont get the...
  15. O

    Video - Whats up with this Ideal Classic - clicking?

    Thanks guys I can show him this video and see how I get on. I'm curious why it only does it when pump is on 3. 2 is much more stable, but cycles and takes a bit longer. Plus my AAV isn't working correctly and I get a lot of air on pump speed 3. I can hear what i think are air pockets...
  16. O

    Video - Whats up with this Ideal Classic - clicking?

    This Ideal Classic FF380 is rapidly clicking randomly. This only happens on pump speed 3. The video starts and the boiler has already cut out and is warm/hot. Typical symptoms are the boiler can be happily running and then suddenly start clicking rapidly, sometimes cutting out. Boiler...
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    Boiler cut out - Kettling & air?

    Our ideal classic ff380 was installed incorrectly 8 years ago when the house was built. We moved in recently discovered this and since had the pipes swapped over. Perfect now, loads of nice warm heat, quickly. However, even before the pipe swap we had an interesting clicking from the boiler...
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    Help me understand boiler stat and pump speed - use less gas

    Yes, it is ironic but I'm the type of person that like things running optimally and efficiently. I changed both thermostats on my car recently because it wasn't getting up to temperature. You would never know the difference, the mpg is the same, the power the same but it will prevent premature...
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    Help me understand boiler stat and pump speed - use less gas

    I've got fed up reading the meter and I'm trying to set up the system to use as little gas as possible now our boiler is fixed. It's an old ideal classic ff380 non condensing. 20 rads and a 15/60 pump serving a 5 bed 3 storey. Heating is on from 6am to 11pm, wall stat auto adjusts the...
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    Lockshields fully open - balancing

    I'm surprised to find the lockshields fully open on most of the radiators I checked, if not all. I have 20 rads and most I checked had the lockshield fully open The system is 8 years old and trvs on the return on some. I know this shouldn't makea difference Why would the lockshields be...
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