Posted here last night but it is not showing? Forgive the duplication if you get two for the price of one.
Anzaniste, it is a very interesting design, I will post a picture of the attachments in the next post.
Pete, yes thanks I have seen that. Considering how many subcontractors had at least one of these, there is not much information on the net.
I wanted to return the controls to original as much as possible, so I made up a coaxial Fwd/Rev speed change switch. Details attached.
The motor was standard 3 phase and delta connected1.1kW, 1420 rpm. The VFD a Teco E2 40 3NF rigged for 240 volts input.
The easiest to understand programming details were at :- http://www.teco.com.au
Sorry, I am not very good with explanations but for those of you who are familiar with setting up VFDs, this is what I did.
Programming F19 = 2 and F20 = 6 allowed me to set F08@20Hz, F26@35Hz and F27@50Hz. This gave me three fixed speeds, so with the mechanical High/Low clutch, there is a choice of