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Mitsubishi Ecodan PUHZ-SW120 & EHSC -VM20 on 3 phase power question

 
Electricity, Tariffs, Monitoring, Electrics & Providers
Last Post by DavidAlgarve 2 years ago
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 DavidAlgarve
(@davidalgarve)
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Joined: 3 years ago
Posts: 246
Topic starter 14/10/2024 4:37 pm   [#1769]

Mitsu PUHZ-SW120 & EHSC -VM20

Has anyone any access to power readings when at rest on a 3 phase ASHP?

I have just installed a Shelly 3EM 3 phase Power Monitor and am somewhat surprised that, at rest, the readings are unbalanced at:

Phase A=0; Phase B=11.31; Phase C=106

When producing heat, the readings are much more balanced.

What, if anything does that indicate?

 


342sq m "Upside down" house in Algarve. Portugal
Mitsubishi PUHZ-120YUK 12kW ASHP
12 Solar Panels Growatt Inverter
2 x Growatt 7.5kW Batteries
Fronius EV Charger
Kia e- Niro 64kW


   
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