CCU 3 boiler on/off per room

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denvansanten
Beiträge: 1
Registriert: 26.11.2024, 11:57
System: sonstige

CCU 3 boiler on/off per room

Beitrag von denvansanten » 20.01.2025, 19:32

Hello,

I have the homematic CCU3 and installed the following components:
- each room has a wall thermostat
- downstairs i have 4 rooms with floor heating, with the HmIP-FAL230-C10 floor heating module (with 12 zones installed with a motorized valve on it)
- upstairs i have 5 rooms with a wall thermostat and a radiator valve
- the boiler is hooked up to a WHS2 switching module

All i want is the boiler to switch on when there is heat demand, and switch off the boiler when there's not.

I used groups for each room:
-downstairs -> each group has the wall thermostat and the corresponding floor zones in it
-upstars -> each group has the wall thermostat and the radiator valve in it.

i'm a bit lost on how to properly set the WHS 2 to switch the boiler automatically whenever there is heat demand.
I made a program in the ccu3 that whenever upstairs the valve of any room is opened more then 10% -> switch output WHS2 to on. Is this the correct way?

Downstairs i don't know how to get this result with the floor actuators? Also the living room has 5 zones of the floor heating in a group. But sometimes, some of these are open while others are closed so parts of the floor are warm, while other parts stay cooler.

Any help guiding me in the right direction is much appreciated. If i need to provide more info, let me know.
Thanks!

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