danfoss

  1. S

    Danfoss TP5000Si Programmable Room Thermostat

    I was hoping someone can tell me how to change the thermostat so we can programme six events per day instead of four? I have tried installer advanced programming but there isn't an option 40 when I scroll through. I would be very grateful for any ideas. I believe it's an old thermostat from...
  2. F

    PLEASE DELETE

    DELETE
  3. C

    Danfoss heating control system (2)

    Hi all i have a danfoss heating controller if that’s the correct term. It controls my oil heating and thermostats for each zone, it also should engage the pump for my back boiler when it’s thermostat gets to temp but it doesn’t seem to be getting any power. I’ve disconnected central heating pump...
  4. K

    TP5000 to nest 3generation

    hello Team I know there is an old topic about the same thing but I'm not sure I understand can you tell me if when I change I have to connect the tp5000 the brown and black cables or it is in yellow regards
  5. M

    Danfoss TP2 Remote Sensor

    Does anyone know what's inside a Danfoss TP2 and what voltage it works at? My guess is that it's just a thermistor. Also wondering if the programmer supplies it with high/low voltage (dc or ac?) . I've used Arduinos for Internet control of various sensors in the home, so if I knew the...
  6. Giles266

    Hive dual channel multi zone wiring help

    Help! I'm trying to install Hive active heating 2 to replace my existing system but I'm not too sure on the wiring, I've found tons of guides and posts about this already but I'm not able to transfer the solutions to my setup. This damn wiring is starting to infiltrate my dreams so any help or...
  7. Mike15/19

    Lockout Worcester heatslave 15/19

    The problem is more burner related Worcester heatslave 15 19 oil boiler It is a bentone b9 burner made in 1999 With a danfoss bfp 21 l3 oil pump . The boiler will run fine with heating on but about 1 in every 3 or 4 times it goes to start up it will lock out , I will press the lockout button...
  8. D

    DANFOSS FP715Si

    My FP715Si 230Vac programmer has died. I’m tempted to try another brand as the FP715Si has only lasted 2 months and Danfoss customer service was less than helpful. However, the easy option is to replace with the same unit then I won’t have to change the wall plate. Unless, of course, there are...
  9. T

    Replace Danfoss Randall 4033 with Tado Extension

    Hi, this is my first post, so pardon my ignorance. I've not been too long at this new bungalow for my parents, there is a Danfoss Randall 4033 timer for Hot Water and Heating (click the link for pictures: https://drive.google.com/drive/folders/1zECdyqCUI5sXfGqKD2XgW1zp8M-1zDLu?usp=sharing). It...
  10. Z

    Danfoss FP7898/FP715 to Hive Replacement

    Hey, Looking for some advice with fitting hive, replacing my Danfoss FP7898/FP715. I’ve pulled the programmer off and looked at the wiring and each connector has cables in apart from ports 1 and 2. I have a boiler with separate water tank so require the 2 channel hive. I’ve attached the photo...
  11. JK5599

    Why do I have 2 receivers??

    I hope someone can help, We have a Mitsubishi ground source heat pump system with a water cylinder with a Mitsubishi PAC-IF013B-E Unit on the front. Downstairs we have a wireless Danfoss TP500Si thermostat which talks to the Danfoss RX1 single channel receiver also attached to the unit. There is...
  12. Glenn Gooderham

    Danfoss RX1-S

    Does anybody know how to check a Danfoss RX1-S? I have a CET-2000B-RF with a CS2 Tank Sensor attached, it used to work fine in controlling the hot water The indication on the CET-2000B-Rf Transmitter (I have replaced the batteries in this unit) is showing wi-fi connected and calling for hot...
  13. SirMario

    Help Needed - Nest Thermostat replacing a Danfoss TP9000

    I have been spending a lot of time at home (due to the coronavirus epidemic), and I decided to take the plunge, learn something new and replaced my Danfoss TP9000 with a nest thermostat 3rd generation. After reading a lot of forum and posts online I was pretty confident that it would be easy...
  14. B

    Danfoss 102 to Hive Single Channel

    Hi all Bought myself an early Xmas pressie and will be swapping out an old Danfoss 102 with a single channel Hive. I’m no expert, so could I please ask for a logic check on the wiring. L / N / E & Common I’m ok with. It’s the black wire - Danfoss position #1 that I’m looking for - I think...
  15. K

    Danfoss Tpone-m upgrade

    Good evening I currently have a Danfoss TPone-m thermostat upstairs and downstairs linked to my Potterton combi. I have purchased the TPone-s which has wifi, allowing me to remotely set my C/H. This comes with a relay. Can I used my existing relay and simply change the thermostat controller on...
  16. K

    Upgrading form Danfoss to Nest

    Hi All, After scouring the web I thought I was up to swapping my current system over to the Nest Learning Thermostat, once looking at my own wiring I'm lost again. None of the examples I've found online have wiring the same as mine. Currently have: Remeha Avanta Plus Boiler Danfoss ts715si...
  17. E

    Heating not turning off when temperature is reached on thermostat

    I have a Danfoss thermostat which is normally set to 19 degrees. When the temperature of the room has been reached the hearing used to turn off automatically. Recently it has just been getting hotter and hotter. I have tried to turn the heating off via the thermostat but the radiators just keep...
  18. D

    Danfoss CP715 programmer To Nest 3rd Gen Thermostat Issues

    Hello, I rarely post questions, as answers to other posts have always answered my question. I'm attempting to replace a Danfoss CP715 programmer with a Nest 3rd Gen. From: Danfoss CP715 Potterton Neatheat Profile Boiler Y Plan config (Honeywell F-5 3 port valve) gravity fed To: Nest 3rd...
  19. T

    New Build Dual Zone Heating.. help needed!

    Hi, I’ve recently moved into a new build house which has dual zone heating. The problem is the upstairs thermostat controls both the upstairs and downstairs radiators and the downstairs thermostat doesn’t seem to control anything! I’m wondering if something has been wired up wrong... the system...
  20. cammy2207

    Help with smart thermostat wiring please

    I have an unbranded WiFi thermostat labelled rn004. I'm replacing a Danfoss rmt 230. 1) The new stat has 2 thin white wires coming from the side, around 5cm long each. Are these for extra temperature readings from floor etc? If so, how do I not use\bypass them so I can just use internal...
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