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need help with multi-zone heat control

EhsanK
EhsanK
edited December 2022 in General Questions & Topics

Hi everyone,

I have a question regarding multi-zone heating,

The scenario is that I have a 3 story house. I have a single smart thermostat (wired) in the ground floor with an internet bridge. I cannot use `smart radiator thermostat` since it is all under the floor heating and there is no valve available. The ground floor is always warmer than the other two. I want to install something in the second floor to sense the temperature and in the case of cold, call for heat regardless of the temperature of the ground floor.

I thought that adding a `wireless temperature sensor` to the other stories might help but this the answer from the Tado support team:

"Wireless Temperature Sensor is used for temperature measuring and can be set as a measuring device of the room where the Smart Thermostat is if they are in the same room only."

Comments

  • GrilledCheese2
    GrilledCheese2 ✭✭✭
    You cannot use the wireless temperature sensor to create an extra room/zone, but you can add it to your existing zone. Once paired with the downstairs thermostat you can place the sensor upstairs and it will be the only temperature sensor for the zone. The temperature sensor in the downstairs thermostat will be disabled.
  • EhsanK
    EhsanK
    edited December 2022

    Thank you for the answer @GrilledCheese2 . Let's forget about the multi-zone implementation since I cannot use `smart radiator thermostat` and have no separate control on the hot water input of stories. What if I buy an "Add-on – Wired Smart Thermostat" to the second floor. Could it control the second floor temperature and connect to the bridge and asks the main smart thermostat to call for heat? something like the diagram below

    1.jpg


  • GrilledCheese2
    GrilledCheese2 ✭✭✭

    With a single zone you can have only one wired thermostat and one temperature sensor. So you cannot add another wired thermostat to your system. The best you can do is to move the temperature sensing from downstairs to the upstairs using the method I described in my first post.

    Alternatively, assuming you have a manifold to distribute the hot water to each floor then you will have flow restrictors to adjust the volume of water flowing into each circuit of pipe. Normally the flow restrictors are adjusted so the main living space gets more heat, assuming the bedrooms need to be cooler. You could ask a heating engineer to adjust the bias on these flow restrictors, improving the balance of heat between downstairs and upstairs.

  • EhsanK
    EhsanK

    Thank you @GrilledCheese2, you saved me a lot of time. I will follow your suggestions.

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