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Any ac or electricity expert?


The_King

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Anyone know why 2 AC both are rated at 18kbtu one use more energy then another?

Daikin: RKM50PVMG use 2646kWh
ME: MUY-GP18VF use 2050kWh

While System 2 >18k (with 1 fan coil instail and both match the btu with the condensor)use less energy as compare to system 1 18k btu?

Daikin: MKM50VVMG use 1553kWh
ME: MXY-2H20VF use 1664kWh

is there someone wrong with the way i calculate or newer R32 model save more energy as compare old gen of R32 model.

thanks

sauce: https://e-services.nea.gov.sg/els/Pages/Search/PublicSearchProduct.aspx?param=goods&type=p

Edited by The_King
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44 minutes ago, ODACHEK said:

Not sure, but I think inverter makes some difference ba....remember aircon guy told me before system 1 not recommended to use inverter, while system 2 needs. 

All new model ac now is DC motor and inverter.

 

And why system one not recommended for inverter? Thanks

Edited by The_King
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