SmartHome_Heating.pdf

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

Transcript

1. Ciejj 20.10.2022
   ‘Smart’ Home
   Heating control
   

   View Slide

2. Central Heating
   Gas Boiler
   Heating Pump
   Heaters
   Valve
   

   View 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 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 Slide

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

   View Slide

6. Central Heating - minimum ‘smart’ control
   Problems
   

   View 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 Slide

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

   View Slide

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

   View Slide

10. Central Heating - ‘smart’ control
    Home Assistant
    

    View Slide

11. Hot Water
    Faucet
    Faucet
    Gas Boiler
    Hot Water Tank
    

    View 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 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 Slide

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

    View Slide