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  1. N

    Danfoss "volt free" thermostat

    hi, got a new job, doin boilers. A wee bit out of my element:P Got a vokera combi to wire, i understand almost everything apart from the thermostat. Its a danfoss RET230 VF2. what do i need to wire this? Wire into Live and neutral terminals on the stat? Wire into number 2 and 3 on the stat? Or...
  2. S

    Danfoss Inverters?

    I know the Danfoss inverter launched last year had 3 mppt trackers, has anyone tried them, anyone who which wholesaler apart from Wagner who sells it? I've got a nursery with 3 phase and another 2 seperate Mpans but different orientations and some shading issues. Can get 8.5kwp on roof with 2...
  3. O

    S Plan Assumed Knowledge - Need General Info

    Hi All. Am about to enter into the world of S Plan heating systems and need some general knowledge as I have none when it comes to plumbing. The system comprises of the following: It is a Danfoss S Plan With 2 * 2 Port Zone Valves With Programmable Heating & Hot Water Thermostats 1 Worcester...
  4. T

    Danfoss data logger/monitor

    Does anyone have a Danfoss data logger for sale?
  5. T

    Danfoss monitoring

    Has anyone used the Danfoss monitors? I have a ULX4000 and would like to monitor its performance via a PC>
  6. D

    School Bell System

    Am working at a local school installing CCTV system. The headmaster collars me today and asks me whether I can automate the bell ringing system and puts in my hand a leaflet on the Danfoss 841. I had a quick look at the current system, which is a single push button in the school hall that rings...
  7. S

    Danfoss VLT FC51 Convertor programming

    I'm new here so Hi everyone I have a Danfoss VLT Micro Drive FC51 to use a three phase motor on single phase , I'm not sure about setting it up. Using the Quick Setup I've set the basics 2.2KW, 400V, 50Hz, 5.30A and 1420RPM. Automatic Motor Tuning is set to off there are 4 other settings...
  8. P

    DANFOSS 3000 ulx INVERTA 1 string or 2?

    Hi whats best performance on following 1 x string of 12 x 250w ET solar panels or split into 2 x strings 6x6! Danfoss new to me and havnt got pv sol (same roof west 30 deg pitch) just when one of u get bored:) dual mpp model !
  9. T

    Danfoss inverters

    Has anyone got experience of Danfoss inverters? Good or bad please let me know
  10. S

    Danfoss inverters available

    Solar Energy - Danfoss Dynamic Solar 01223 414 028 [email protected] www.dynamicsolar.co.uk. IBC Solar Linda Wolf 01865 337 236 07584 054 565 [email protected] www.ibc-solar.co.uk Solar Europa, Barnsley David Hawkins +44 (0) 1226 249852 [email protected]...
  11. J

    Wiring up danfoss TS7S SI to a Ideal Logic combi

    Hello forum, first post on here so hope you are all good. :) Iv recently fitted an ideal logic. The customer has an electronic donfoss TS71S SI single chanel time switch on the wall which was used on their old combi. There are 4 wires that come from the time switch, but im unsure how to...
  12. C

    Danfoss 3ph motor inverter causing hot cables.

    At my site I have 3 x Danfoss VLT6000 motor inverters for our pumps. The MCB's have always been warm to touch and as they were put in by a contractor before I came to site I assumed it must be correct. As late the 25A rated 3 pole MCB's were detected by a thermal image survey as being too hot. I...
  13. S

    Danfoss "Facts worth knowing" pdf

    In connection with a recent thread regarding Danfoss inverters, I came across a good pdf for 3ph AC motors and inverters theory from Danfoss. http://daneenergy.co.uk/Documents/Facts%20Worth%20Knowing.pdf See what you think. Looks pretty informative. Note to self: You should get...
  14. L

    Setting up Danfoss VLT FC51

    Hi, I have installed VLT FC51 to control the speed of motor based on values it receives from Differential Pressure Transmitter (DPT). However, I have never set-up a frequency converter before, so someone could please help me in programming it. I have connected the DPT output to port 60 of...
  15. S

    Danfoss Micro Drive 51

    Hi, how can I start the VLT Micro Drive, stop the VLT Micro Drive, increase the frecuency and decrease the frecuency; to control with the digital inputs. Does anyone had programed one of this that could help me, it´s very important. Thanks
  16. a12jpm

    Help with Danfoss TP7000 programmable room stat.

    On a 2 x 2port valve system (s plan) where the hot water is controlled by a single channel switch is it possible to use a Danfoss TP7000 programmable room stat to control the on/off for the heating system. All I have is call/com on it and no heating "on". Cheers
  17. R

    Anyone used a Danfoss VLT Micro Drive?

    Hello All I've installed a Danfoss VLT Micor Drive FC 51 to control the speed of a rubber belt conveyor. I have no problems using it Manually and using the Pot to control the speed of the motor, however, I'm struggling to understand how to setup the automatic function this drive has...

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