Installation notes and data sheet (with wiring diagrams) can be downloaded from: - 
http://www.buildingtechnologies.siemens.co.uk/NR/rdonlyres/32E2CE47-B8A7-4DF6-A877-7129BCAC3E0D/0/rwb9_i.pdf
and
http://www.buildingtechnologies.siemens.co.uk/NR/rdonlyres/649A0FD3-D41A-4542-B5BA-B5843E9EFBCE/0/rwb9_d.pdf
Hope this helps
                
 James Y
                
 December 2007