Air-water heat pump current consumption and data

  • Erstellt am 2020-09-29 11:06:43

Alessandro

2021-11-01 14:05:56
  • #1
I reset the operating hours counter (i.e. heating/hot water hour counter and the compressor starts) and the efficiency values. So I don’t have to write down much ;)
 

Dennis89

2021-11-02 09:41:48
  • #2
My heat pump has been running continuously since yesterday at 12:00 PM. The heat pump is drawing 570 watts. How can I reduce the wattage? I ask because 570 watts seems a bit high to me, doesn't it? How can I tell if the heat pump can modulate further down? The compressor is running at 25Hz.

It is a heat pump.
 

Deliverer

2021-11-02 09:55:13
  • #3
If the heat pump is running continuously, it obviously needs the power too, right? And it couldn't be better than if it runs continuously at these temperatures. Or is it too warm in the house?

Regarding the 570 watts - that doesn't seem unusually high to me for the heat pump now. But I have a completely different and much larger one, so I probably can't assess it perfectly either...
Can you read the "compressor power in %" somewhere?
 

Alessandro

2021-11-02 10:06:27
  • #4
you have a small heat pump, which has a modulation range of just 1.78kW between 2°C (3.19kW) and -7°C (4.97kW). 570W therefore fit, at the currently prevailing [ATs].
 

Dennis89

2021-11-02 10:07:29
  • #5

I am a complete layman, so I can’t assess that either. It is 21 degrees throughout the house. So that is sufficient for us. The compressor runs at 25Hz. Whether it is also displayed somewhere in % I can’t say for sure. I would have to check again in WP3.
 

Alessandro

2021-11-02 10:13:47
  • #6
How have you set your hot water preparation?
For me, it is 48°C with an 8K hysteresis. Hot water circulation twice daily because of Legionella.
I have deactivated Legionella protection because it would mean that the hot water heats up to 60°C once daily.

I am considering setting the hot water to 46°C with a hysteresis of 6K...
 

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