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

 
Electricity, Tariffs, Monitoring & Providers
Last Post by DavidAlgarve 6 months ago
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 DavidAlgarve
(@davidalgarve)
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Topic starter 14/10/2024 4:37 pm  

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?

 

This topic was modified 6 months ago by DavidAlgarve
This topic was modified 6 months ago by Mars

   
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