The VFD was ordered as a 110V unit. the sticker on the front cover shows the voltage input (as show on the previous picture).
This is picture from the VFD label
Click image for larger version. 

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HY is the trade mark
01D5 is the inverter capacity 1.5kW
11 is the voltage rating (eg: 43 means 3-phase 380V)
B is the software version

reference:
Homann Designs diagram: http://www.homanndesigns.com/pdfs/EN010_V8.pdf
VDF manual: http://www.jinlantrade.com/ebay/invertermanual.pdf
http://www.cnczone.com/forums/diy_cn...gs_manual.html
http://www.cnczone.com/forums/phase_...cko_540_a.html
Tips for Newbie Huanyang VFD users