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  1. Replies
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    8,851

    The remote sensor sends its value to the...

    The remote sensor sends its value to the touchscreen, and it in turn sends this value to the Radiator Controller (all comms go via the main unit in this case). So the Tadiator Controller receives...
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    8,851

    The Radiator Controller actually does all the...

    The Radiator Controller actually does all the control locally, and has to report back its demand to the touchscreen, which in turn collates demands from all zones and sends this on to the boiler...
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    808

    Do you keep your system topped up with a suitable...

    Do you keep your system topped up with a suitable inhibitor? Might be worth checking if itís not been looked at in a while.

    You can get a servicing kit for the valve bodies - not sure how much it...
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    5,671

    Do check the requirements for other properties...

    Do check the requirements for other properties other than stated voltage - many devices designed for DC battery operation are very sensitive to things such as voltage ripple, and will give...
  5. Replies
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    9,912

    The adapter has not been fitted far enough down...

    The adapter has not been fitted far enough down on the valve body - itís easy with Danfoss valves to think the adapter collar is fitted correctly when itís not (you should not see a gap between the...
  6. Thread: Hr91

    by SensibleHeatUK
    Replies
    15
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    4,168

    Smile has been available for years, but the Smile...

    Smile has been available for years, but the Smile Connect add on appeared about a year ago (or maybe slightly longer).

    It is a very powerful unit that has many applications (multiple boiler...
  7. Replies
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    11,282

    using an external junction box is fine, but if...

    using an external junction box is fine, but if you've got enough spare/unused outputs on the HCC80R then you have the option to use them too and save the need for the junction box.

    In most cases...
  8. Replies
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    11,282

    True, it's an undocumented "feature", but for...

    True, it's an undocumented "feature", but for manifolds with many actuators but few zones on an HCC80R it's useful all the same.
  9. Replies
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    11,282

    There is nothing stopping you from wiring up the...

    There is nothing stopping you from wiring up the actuators to all 5 zones (or all 8 using the HCS80 expansion card) and then register each to the same Evo Touch zone andnroom sensor. So you could use...
  10. Replies
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    11,282

    Do you need a flow temperature as high as 55...

    Do you need a flow temperature as high as 55 degrees? When I built my house a little over 10 years ago I had my underfloor designed to work with low water flow temps as I have a ground source heat...
  11. No need to set anything back up - delete the...

    No need to set anything back up - delete the location, then add it back (keep a note of the MAC and CRC) - should take less than a minute.
  12. The only user fix is to delete the location from...

    The only user fix is to delete the location from the web-based account and then add it back. Seems to be some kind of server-side corruption to the account location.
  13. Thermal comfort is going to be as much about the...

    Thermal comfort is going to be as much about the radiant heat/cool sources in a room as much as dry bulb air temperature (which is what the thermistor in the Honeywell sensors measure), so even if...
  14. There are plenty of momo actuators available, you...

    There are plenty of momo actuators available, you just need to know where to look. Honeywell manufacture plenty of options and for smaller pipe sizes (as you would find in domestic installs) they...
  15. Replies
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    4,095

    In our experience when the 'fault' occurs it can...

    In our experience when the 'fault' occurs it can be any of the locations, so no obvious pattern we've spotted. It's not common, we've many hundreds of Evos installed and his has occurred on a few...
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    4,095

    I have seen issues with phantom zones with 62...

    I have seen issues with phantom zones with 62 degrees setpoints or where the entire zones are replaced with unnamed zones with 62 degrees setpoints, and the fix from Honeywell was to remove location...
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    4,095

    Delete the 'problem' location your account at the...

    Delete the 'problem' location your account at the TCC website then re-add it. That normally fix a these kinds of problems. Seems to be a server-side corruption of the location in many cases.
  18. Controlling EUFH (or any electric heating)via Evo...

    Controlling EUFH (or any electric heating)via Evo is no different to controlling wet heating with a couple of added steps.
    With EUFH the existing floor sensor and stat has to be wired in series...
  19. Replies
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    1,777

    The thermistor is a 10k3a1 element so extending...

    The thermistor is a 10k3a1 element so extending the cable (ideally with a twisted pair UTP cable) will not be a problem. In commercial buildings these types of sensor can be many 10s of metres from...
  20. You have not fitter the adapter properly and it...

    You have not fitter the adapter properly and it is sitting too high in the valve body. If you open the adapter up and push it down it will seat fully on the valve you will find the actuator will...
  21. Does pressing the button also restart the 'sync'...

    Does pressing the button also restart the 'sync' process if sync has been lost with the Evo Touch? Its the re-sync part that is important (rather than just having the HR92 send the room temp to the...
  22. I usually just power cycle (pop out the batteries...

    I usually just power cycle (pop out the batteries in the radiator controller) to force the 'sync' process to repeat again. Not sure that pressing the button on the HR92 makes this happen.
  23. Communications between battery powered devices...

    Communications between battery powered devices and the controller take place at roughly 5 minute intervals, but are closely synchronised as the battery powered devices only wake up their radio...
  24. Replies
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    You must keep the existing floor thermostat (to...

    You must keep the existing floor thermostat (to which the floor probe is currently connected) as it is a safety feature to prevent excessive high temperature from the mat damaging itself or the floor.
  25. Replies
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    That approach works just fine and providing the...

    That approach works just fine and providing the contactor is not somewhere where the noise of it switching would cause annoyance then there are no problems. There are solid state relays available (at...
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