Viessmann Vitopend 200 gas heating – how to set the night reduction correctly?

Hey everyone, Can someone tell me how to set the night-time reduction correctly? In our case, unfortunately, it is not digital – see appendix. I would really like to have the heaters set to turn off around midnight and ideally turn on from 6am. Is it possible? Currently I have it set up as follows….

Wolf gas boiler emergency, water leaking?

Hello everyone, I was wondering why the pressure display (in bar) goes to zero so quickly. After hearing strange dripping noises and very strange/loud (pumping?) noises coming from the spa, I looked for something and saw that a LOT of water was leaking out. Here are two “flasks,” one appears normal and dry, but the…

The heater is whistling loudly – ​​like an airplane engine at night. What could it be?

Hello dear Gutefrage Community, We had a new gas heater installed. The heater has been running for about a month; we've bled the system several times and adjusted the water pressure accordingly. For about a week now, I've noticed that every night, something in my bedroom starts beeping. It's usually a constant, relatively high-pitched noise….