danfoss

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  1. D

    Danfoss programmable stat replacement

    I am trying to find a replacement programmable thermostat to retrofit onto an existing installation, as the existing one has got a blank screen. Batteries have been replaced and various buttons/reset has been tried to no avail. The original one is now obsolete. Can anyone recommend one that may...
  2. I

    Danfoss FC51 lack of power options in configuration

    Hi all. I have a Danfoss FC51 vfd. When I go to the menu 1-20, only appears the options from 8 to 11, which corresponds to a 1.1kW to 3kW. I have tested directly in the local console and also with the MCT10 software, there are only the options from 8 to 11 available I have a motor of 700W, but I...
  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. Govinda

    Sensata or Danfoss - Low pressure switch

    Which low pressure switch is best for automotive construction equipment ( 0-20 bar)- sensata or danfoss or if any other recommendation.
  5. R

    Faulty Danfoss 12 v fridge

    I have a Cubigel GD30fc compressor fridge which is a BD35 Danfoss with different connections on the control box, It only runs if I link out the thermostat, the compressor gets hot but there is no cooling, the fault code LED just shows a continuous light. I'm out of ideas. Is there any check I...
  6. G

    Danfoss flatstation info

    Hi all, hoping someone may have some info that can help. I've had an enquiry from a customer who is having some issues with the heat pump running continuously in a danfoss flatstation. I don't know anything about these units, do they use external zone valves or is all that done internally to the...
  7. 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...
  8. J

    Issues fitting hive from danfoss controller

    Hi All, Hope all had a good new year. I’m having a real issue fitting my hive system in my house I’m hoping someone can figure this out for me as I’m stumped( I should of become a sparky instead of a plumber!) I have currently got a danfoss controller and valiant combi with a wired stat I...
  9. A

    Danfoss TP5000 How To Reset/Disable Service Interval Timer

    Hi I recently bought my property from my (now former) landlord. In the past, my former landlord instructed gas engineers to set a service interval timer on my Danfoss TP5000 programmer (photographed below). I now need to reset/disable this service interval timer. There are other threads on...
  10. G

    Danfoss programer

    Hi anyone know how to reset annual service reminder on danfoss programmer
  11. C

    Programmable thermostat Danfoss wiring

    Hi guys. I have a question about wiring scheme and how to wire my heating floor thermostat. I have this scheme and correct me if I am wrong but I have to connect floor mat wires with L load and N load holders and true live and neutral with L and N, right? And how do I connect two sensors, it...
  12. E

    Danfoss tp9000 service interval timer reset

    So I've read some similar older threads that have posted some images on how to reset this damn thing (only had my boiler serviced 4 months ago). Can anyone help with the sequence as the other thread help doesn't seem to work with mine...
  13. M

    Danfoss CHRONO setting

    I’ve recently had a new boiler and one of your thermostats installed a Danfoss RET1000 B/M/MS thermostat Is it normal for the thermostat to fire up the boiler for 3 minutes and then turn off for another 4 or 5 mins and then come back on for another 4mins etc 24 hours a day once it has hit the...
  14. A

    Thermostat/Control box help

    Hi all. I'm trying to fit some smart thermostats but they require a mains connection. I have the wiring in place from the existing set up (battery powered thermostats), but they have no mains voltage going through them. The wiring goes to a Danfoss WC4/B wiring Centre as the central heating is...
  15. rolyberkin

    Danfoss FP975 fault code n33

    Have a customer whose time clock is showing the above fault code, does anyone know what this relates to please? Is it an end of life issue!?
  16. R

    Danfoss TP9000 Service Interval

    Hi All, For the last few days I am hearing audible warning from the device, I am assuming that it is due to Service Interval due but my boiler was services recently but the gas engineer not reset the the service interval. Can any one help how to check the service interval date in TP9000 and...
  17. P

    Help with Danfoss Service Interval Timer

    I have the same problem as the OP in this old thread service interval timer help! - https://www.electriciansforums.co.uk/threads/service-interval-timer-help.100630/ I tried the solution offered there but unfortunately the instructions must be for older models of the thermostat. My model is...
  18. Midwest

    Danfoss TP9000 trouble shooting

    Ok I give up. In my new build, been having trouble with the above & heating. Heating has been staying on outside switching periods, e.g. in the middle of the night. Got onto developer, and whilst waiting for them contacted Danfoss, who suggested it was faulty TP9000 (TP9000 was turning on...
  19. J

    Danfoss CP715 SI Timer Trouble

    Please bear with me while I try to explain this..... I have a Danfoss CP715 SI Timer which is no longer "talking to" my Flexicom Glo-worm boiler. The display is on on the timer, all the lights come on when I switch either the water or heating on via the 1hr buttons or the daily programme...
  20. N

    changing danfoss 103 timeswitch to drayton lp722 programmer

    currently attempting to change over the old danfoss to the programmer I,m having great difficulty finding a wiring diagram to do this.After trawling the net I came across a site which said that combi boilers do not need a 2 channel programmer as the hot water is on demand when a tap is opened. 2...

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