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  1. EricMark

    Adverts making forum unusable. Half my screen is filled with adverts.

    This is simply not good enough, to try and work with such a small window, sorry, unless this changes, this forum is dead as far as I am conserned.
  2. EricMark

    Misleading adverts on this forum.

    I recognise those frequencies, it is not a Walkie Talkie, it's a ham radio, and one needs a licence to use it. PMR466 is what I would call a Walkie Talkie.
  3. EricMark

    Tariffs, batteries, and solar. How do you select? and does it matter?

    My off-peak tariff has ended, and for a few days on a standard single tariff until I change supplier, but cost has not risen much? Changing because the supplier I have has dragged their feet for a year, and still no payment for export. But I have been charging batteries overnight, then they...
  4. EricMark

    UPS - Earth - RCD what is required, and testing?

    CAUTION! The UPS must be connected to a grounded AC power outlet with fuse or circuit breaker protection. DO NOT plug the UPS into an outlet that is not grounded. If you need to de-energize this equipment, turn off and unplug the UPS. I read this as meaning an earth rod is required, as the...
  5. EricMark

    An odd question, but what is the time from radio 4? Looking at duel tariffs and when they change high to low rate?

    I have read all I can find about radio 4 and tele switching, but can't find if this changes when our clocks change. It all started when I decided to get a smart meter fitted, and once fitted may as well get duel rate and recharge my 3.2 kWh batteries over night as well as using solar, this seems...
  6. EricMark

    Improving control, oil boiler C Plan

    At the moment it depends on the weather on how well the central heating works, the main problem is the Nest Gen 3 thermostat only measures the temperature in the hall, and it turns off boiler some times when living room not warm enough, but can't move Nest into living room, as one there is also...
  7. EricMark

    RCD if required and what type, re-solar panel installation?

    I decided to get solar panels, the inverter instructions say one can use type AC, so the existing 14 x RCBO CU seems OK, may be a good idea to fit type A in the future, but if following what is says in wiring matters should have type F for my inverter drive washing machine, as if that will ever...
  8. EricMark

    RCD's how to test and when required, and what code?

    I know how I was taught to test a RCD, 6 tests in all two no go, two under 300 mS and 2 under 40 mS with no load. But thinking about it not so sure on the no load? We are told there are 5 common types with some others not seen much, type S, AC, A, F, and C. OK type S not used much now, but when...
  9. EricMark

    Battery How long to leave a battery on charge?

    With a smart charger and 5 out of 6 batteries I want to keep in good order it is a case of clip and charger and remove again one or two weeks latter. Using an energy monitor on supply to charger it is clear as the battery charges it auto turns off, however I have one odd one out, a 95 Ah battery...
  10. EricMark

    Battery Battery charging, not a problem, but trying to understand what is happening.

    I use smart chargers, and the basic design is each time it hits a set voltage the charge rate drops, so starts at 3.8 amp, then 3 amp, then 0.8 amp and finally 0.1 amp, however if the voltage drops below 12.8 volt on the 0.1 amp charge rate it will return to 0.8 amp charge rate, some times it...
  11. EricMark

    Battery Charging batteries and battery voltage?

    OK I was an auto electrician back in the 70's and 80's so under stand a lot about batteries, however at that time the sealed for life battery was rather new, and you may have had a VRLA in a fire alarm, but not in a vehicle, the AGM battery was unheard of. So did have stage battery chargers for...
  12. EricMark

    RCD types, what is the real story, should we worry?

    I made a mistake, I bought a new consumer unit, and 14 RCBO's all marked on the box type B, did not really want type B I felt type A was good enough, had it fitted only to find RCBO not type B but curve B and type AC, so ordered 2 type A RCBO's for the main ring finals, and think that is likely...
  13. EricMark

    Isolated circuits and the EICR are they included?

    If some one drops tails or locks off a circuit for any reason, be it faulty or simply not used, is it tested or reported on an EICR? In other words if a landlord knows a circuit would get a C1 or C2 and he decommissions it before the test then recommissions it after is there something we should...
  14. EricMark

    Domestic inspection and testing what is required? England-Wales

    When I bought my house we had it inspected before buying to highlight faults, so the inspection and testing done by RICS Chartered Surveyor and the report made. This clearly covered more than the electrics, but it did refer to the electrical installation so included a type of electrical...
  15. EricMark

    Wrong type of RCD is it even part of EICR?

    I have noted more and more items ask for a type A RCD rather than type AC, with electric car charging units it is often even better than type A required, but with car charging units it is hard wired so clearly should be part of the inspection and looking up one make of charger unit not really a...
  16. EricMark

    Why do I have a wall thermostat? is there nothing better?

    In a way I know the answer, wall thermostat turns heating off when we have warm weather, but I look at the PC and it shows me the target and current in each room from the electronic TRV heads, and I thing if it can tell me when room is cold why can't it be connected to boiler and switch it on...
  17. EricMark

    Hive software options?

    This is how I think one would need to wire Hive on the very old C Plan which has no tank thermostat, however I have been told on another forum the relay is not required, and it can be configured with software to switch pump and boiler with central heating and just boiler for domestic hot water...
  18. EricMark

    Energenie TRV heads not following Nest.

    Seems intermittent, some times as it should when the Nest thermostat changes temperature the 4 linked TRV heads change with it, but some times they don't alter, not an issue when temperature is dropped but it is an issue when temperature is raised as the pump is sucking on closed valves. Easy...
  19. EricMark

    How were dynamos on steam vehicles controlled?

    There Seems to be only two wires on the dynamo, guy with it had no idea on how it was controlled, with cars turning on the ignition would motor the dynamo on a free wheel and one would adjust third brush to set output, since to stop engine you turn off ignition it also disconnected dynamo...
  20. EricMark

    Independent control how?

    Independent control it what it says is required for a new build house over a set area, I would think with TRV's fitted to every radiator that is independent control, and using electronic heads one can even include time, not expensive at £10 each head. However the condensing boiler has a problem...

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