Air-water heat pump current consumption and data

That means it is probably already idling constantly. What more could one want?

That means it is probably already running at idle speed permanently. What more could you want?

I just thought it could go even lower. 20Hz and 400W for example.

For that, your [gar nicht so hoch] spins. For me, it is also only at the end of the heating cycle so low, in between at the temperatures also already at 0.6-0.8 kW power consumption.

I think you don't need to worry about the consumption.
What do you have?

Your RPM doesn't get that high. For me, it is only that low at the end of the heating cycle; in between, at those temperatures, the power consumption is already at 0.6-0.8 kW.

I think you don't need to worry about consumption.
What do you have?

Ah okay, then I am relieved:)
How should your question be understood? What I am currently consuming? For November it is currently about 160 kWh for heating and hot water.

Is this the much-criticized bypass valve here? At least the hydraulics go directly from the supply line into the buffer tank in the return line.

Set at 150mbar – I set it to 250 and already more flow reached the upper floor. Continue like this?

The heating engineer got back to me after helping in the flood area and being on vacation regarding my questions and cannot explain who would have set it to 150mbar. It definitely couldn’t have been his team, because that makes no sense at all. He wanted to know how I knew that the pump pushes over 600mbar, but he assumes that the 350mbar version is of course correct, since that was delivered in the set from Vaillant.

It’s a bit frustrating. He always assumes the dumbest user and I always have to coax him out of his reserve with sensible answers. On the first superficial level of our conversations, I always get the feeling that he really has no clue about the efficient operation of a heat pump. In detail it gets really better or even good. The way there is rocky and difficult. That I have all heating circuits manually open doesn’t seem to occur to him, as he keeps going back to minimum flow.

Understandable from a commercial standpoint if you configure the system foolproof, but very exhausting for me.

By the way, today I looked at the datasheet of my actuators just for fun. Operating power 2W, which would mean a 42W standby consumption for my 21 heating circuits over the entire year if I turn all thermostats to MAX. They actually get significantly warmer in the open position than my heating circuits.



Quick fix now is turning all thermostats to frost protection = MIN and manually setting the actuator to open. I will observe the standby consumption of the house when the heat pump cycles again.

The heating engineer got back to me about my questions after helping in the flood area and going on vacation, and he cannot explain who would have set it to 150mbar. It definitely couldn’t have been his team because that makes no sense at all. He also wanted to know how I knew that the pump is pushing over 600mbar but assumes that the 350mbar version is of course correct since it was delivered in the Vaillant set.

It’s a bit frustrating. He always assumes I’m clueless and I always have to coax him out of his reserve with sensible answers. On the first superficial level of our conversations, I always get the feeling that he really has no idea about the efficient operation of a heat pump. In detail it actually gets better or even good. The path there is rocky and difficult. That I have all heating circuits manually open doesn’t seem to register with him, as he keeps talking about minimum flow.

Commercially understandable if you configure the system idiot-proof, but very exhausting for me.

By the way, today I looked at the datasheet of my actuators just for fun. Operating power 2W, which would mean 42W standby consumption over the whole year with my 21 heating circuits if I set all thermostats to MAX. They actually get much warmer in the open position than my heating circuits.



Quick measure now is to turn all thermostats to frost protection=MIN and manually set actuators to open. I’ll observe the house’s standby consumption when the heat pump cycles again.

I have the same thermostats. Unfortunately, I don’t have sight glasses to read the liters; according to the plumber, there is a diagram to set the liters depending on the rotations. Can you say something about that?