Differences between HITACHI Scroll DC Inverter compressors

[judasfan]

Hi Guys, could you be so kind to tell me what are the differences between these two HITACHI DC Inverter compressors:

1. E405DHD-36D2
and
2. E405AHD-36D2?

Thank you in advance for your cooperation!

[install monkey]

d is 3 phase and a is 1 phase

[judasfan]

d is 3 phase and a is 1 phase

Thank you very much for your answer and sorry for my so late reply!:) Are you sure about that, the compressor I have is from Hitachi VRF 3-phase unit and is model AHD?!

[JoeAT50A]

How big is your compressor, your model is around 5 Hp I beleived .... should be 3 ph and IM is correct.