hot water

  1. 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.
  2. S

    Diversity Factor for 3Ph instantaneous Hot Water in AS3000

    Hi, Just a question from AS3000 max demand diversity table C1 for instantaneous hot water. Will it be the same diversity regardless if it is 3Ph or 1Ph or higher current rating or less?
    • stormy
    • Thread
    • ausie elec diversity factor hot water water
    • Replies: 1
    • Forum: Australia
  3. O

    flexicom 24cx has Hot Water but no Central Heating

    my flexicom 24cx has Hot Water but no Central Heating. the problem seem to be the analogue switch selector. it looks as if it is stuck on the off position and won't move to the timer or on position. Is it that I do not know how to move it??
  4. R

    Wiring for the Australian market - hot water unit

    I purchased an Ecosmart 8 Instantaneous hot water system from Amazon and its really made for the North American market. The wiring says it need two active wires to make up 240 volt and no Neutral, Customer support have also told us this, however in Australia we have one red active wire and a...
  5. W

    Question. Signal for hot water not getting through

    Hi all, 
 After boosting the hot water for probably too long on our pulsacoil thermal storage, the circuit breaker was tripped and I saw that the timer unit had melted through. 
 I got a replacement unit and have installed it and flicked the circuit breaker switch back on. The water seems to be...
  6. B

    Hot water thermostat

    I am having trouble understanding a hot water thermostat which does not behave as expected. What does the "reset" button do, and is it necessary to use it after adjusting the temperature dial ?
  7. P

    Double immersion hot water tank.

    Dear all, Has anyone come accross a double immersion hot water tank. How did you supply it 2x16A circuits. Maybe a 32A circuit split into 2 with 2x 20A double pole switches. I have only come across singles before, so im trying to find the best solution as i only have 1 spare way at present.
  8. ETradesmen

    Y plan wiring / Hot water

    Good afternoon all, just a quicky. Ona Y plan system can anybody tell me why there is a switched live from the cylinder stat back to the programmer (Also connected to the grey on the MV)? Why does the programmer need to know that the cylinder has hit the required temperature? FYI I installed...
  9. M

    Need help wiring a Heatmiser RF Switch for heating and hot water control.

    Hi All, Im not an electrician, but i like to do things myself if possible, so i'm here to ask for some help in wiring a new RF switch for controlling my central heating. I already have a heatmiser system that controls my underfloor heating downstairs, but my upstairs rads and hot water are not...
  10. S

    Pulsacoil 2000 no hot water

    hey guys I have got to look at fault with a Pulsacoil 2000 pc185 model. The faults appears to be that the immersion heaters are both working but no hot water through the taps. I have being told they are getting 95v to the pump both L-N and L-E. Has anyone come across this issue and followed a...
  11. Gary Tollison

    Power cables and hot water pipes.

    Hello :) Just been doing some investigations into running power from the CU in the house out to my shed. I lifted the floorboards on the upstairs landing and found that power cables have been laid right next to the central heating water pipes. This can’t be safe, surely?
  12. sinistersnipe

    New home... domestic hot water linked to central heating?

    Hello, Moved into a new flat about 6 months ago, and now that the weather is getting warmer and we want to turn our heating off we've discovered a little hitch - it seems like domestic hot water and central heating aren't programmable separately. Specifically, if either the programmer or the...
  13. S

    Hot Water cylinder and 2x immersion heaters

    Apprentice electrician (coming towards the end of my 1st year) here and looking for some help and understanding. I have moved into my flat and I have both a normal CU running 24/7 and an off peak CU. The flat has no gas and all electric. I have a hot water cylinder which has 2 immersion...
  14. S

    Nest wiring help - not controlling boiler on/off unless hot water set to heat

    1st post and I’m not a heating engineer/electrician so apologies for lack of proper terminology. It’s a long story but in essence I had a new conventional boiler replace 2 years ago (Worcester Bosch 28i) and had issues with way heating engineer wired up the new rf thermostat. Decided to fit a...
  15. J

    Question about Economy 7 hot water cylinders

    Hi I recently replaced the bottom immersion on an economy 7 cylinder. After installing I tried to test the immersion using my multi meter. The fuse spur leading to the immersion has a time clock mounted on the face. I switched this to continuous, nothing. I removed the face of the fuse spur...
  16. I

    Hot water Contactor issue

    Evening all. I admit I am not affay with the workings of contactors however, I have come across a domestic property that heating and water powered via economy 7 electric. Recently, the water is running luke warm to cold. I have tested the circuit within the property to ensure there is a...
  17. B

    Solar hot water controller

    Hi all I have a viridian solar clearline v200 controller which has failed. The warranty on the unit is 2 years and it's 2.5 years old. Having spoken to them they aren't willing to help me at all and no longer stock the controller so I can't replace it. Honestly Viridian Solar are just useless...
  18. C

    Combi with a 300 litre hot water tank

    I have been asked to provide a wiring centre for a combi boiler providing hot water to two showers a 300 litre hot water tank and central heating. The heating engineer says he is going to provide two two valves. I'm just a little confused as to how the thermostat on the tank will call for the...
  19. E

    Drayton LP822 Once button results in permanent hot water

    Guys Encountered a problem using the above function, when the once button is selected for a boost on the CH the Immersion heater will not then switch off. I have to switch the programmer of for it to reset... any ideas?? The boiler is an Ideal ICOS and the Tank controls are Range
    • EddieB
    • Thread
    • button existing hot water permanent problem programmer results switch water
    • Replies: 7
    • Forum: Central Heating Systems
  20. N

    Heating and hot water only work independently...

    Hi there, Just after a bit of advice for a family members central hesting system. They have an old style Centroller 3000 controller which controls the central heating and hot water. The system is a back boiler (not a combi) with a hot water tank, pump and a honeywell 3 port valve. Central...
    • Noob2013
    • Thread
    • central controller electrical work heating hot water valve water
    • Replies: 6
    • Forum: Central Heating Systems
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