Badener1970
2022-01-08 18:05:02
- #1
These are not feed-in but consumption values?
Yes, see the picture... the display always changes..
Determine the consumption of air-to-water heat pump from the total electricity consumption
- Erstellt am 2022-01-02 13:38:22
Yes, see the picture... the display always changes..
KingJulien
2022-01-09 11:35:15
- #2
The feed-in cannot be correct, of course. Why is there so much on the meter? The difference would give a realistic value. What does the information E21 on the meter mean?
OWLer
2022-01-09 11:43:07
- #3
1. shows the kWh 2. why is the electrician not asked during handover? 3. apparently something obviously went wrong with the wiring if the heat pump meter counts the feed-in below 280. => Report this to the GU and request documentation or correction. The forum, like you, can only guess.I have a question about the topic regardless of the original post: since the end of October, we have been living in our new KFW55 building with 9.9kwp photovoltaics. We have 2 meters, see picture, the left currently shows 1324/4691 KW, the right 442/4912 KW, how is this to be interpreted? At the end of December, the SMA Homemanager was installed, but with it I can only read the performance of the photovoltaics and the consumption without the heat pump.
guckuck2
2022-01-09 12:52:47
- #4
3. There obviously seems to be something wrong with the wiring if the heat pump meter counts the feed-in below 280
No, everything is correct, it is called meter cascade aka measurement concept 8.
Reference October 21 says nothing about since when the photovoltaic system and meters have been active … given the high values, it can be assumed that this already happened in the summer.
OWLer
2022-01-09 13:00:04
- #5
Does not change anything about point 2. If you install a cascade, you have to take care of the VAT on photovoltaics anyway.
guckuck2
2022-01-09 13:19:04
- #6
Self-consumption is calculated as generation minus meter 2.8.0 at Z1 (feed-in point).
So exactly as with a system without a cascade.
So exactly as with a system without a cascade.