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SmartHome_Heating.pdf

 SmartHome_Heating.pdf

Presents heating control, and hot water supply problems in the DYI Smart Home, and provides a couple of possible solutions

Mateusz Wozniczka

December 23, 2022
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Transcript

  1. Ciejj 20.10.2022
    ‘Smart’ Home
    Heating control

    View full-size slide

  2. Central Heating
    Gas Boiler
    Heating Pump
    Heaters
    Valve

    View full-size slide

  3. Central Heating - minimum control
    Gas Boiler
    Heating Pump
    Heaters
    Valve
    Room Termostat
    One Room Thermostat controls the boiler

    - switches on when it is too cold

    - switches o
    ff
    if it is hot enough

    CONS:

    - no control over the temperature in other rooms

    View full-size slide

  4. Central Heating - minimum ‘smart’ control
    Gas Boiler
    Heating Pump
    Heaters
    Valve
    Home Assistant controls the boiler

    - switches on when it is too cold

    - switches o
    ff
    if it is hot enough

    CONS:

    - no control over the temperature in other rooms

    Wireless Thermometer
    Home Assistant @ RPi

    View full-size slide

  5. Central Heating - minimum ‘smart’ control
    Control Panel

    View full-size slide

  6. Central Heating - minimum ‘smart’ control
    Problems

    View full-size slide

  7. Central Heating - ‘smart’ control
    Gas Boiler
    Heating Pump
    Heaters
    Valve
    SSR Relay
    Home Assistant @ RPi
    Home Assistant controls each room separately

    - switches valve on when it is too cold

    - switches valve o
    ff
    if it is hot enough

    - switches o
    ff
    boiler and heating pump if no valve is opened

    View full-size slide

  8. Central Heating - ‘smart’ control
    Work in progress

    View full-size slide

  9. Central Heating - ‘smart’ control
    Work in progress

    View full-size slide

  10. Central Heating - ‘smart’ control
    Home Assistant

    View full-size slide

  11. Hot Water
    Faucet
    Faucet
    Gas Boiler
    Hot Water Tank

    View full-size slide

  12. Hot Water
    Problem
    Hot water in the pipes is becoming cold

    - A long time until there is hot water at
    the faucet
    Faucet
    Faucet
    Gas Boiler
    Hot Water Tank

    View full-size slide

  13. Hot Water
    Solution
    Faucet
    Faucet
    Gas Boiler
    Hot Water Tank
    Additional pipes for returning hot water
    with an additional pump
    Hot Water Pump

    View full-size slide

  14. Faucet
    Faucet
    Gas Boiler
    Hot Water Tank
    Hot Water
    Solution
    Hot Water Pump

    View full-size slide