M-139DFU02-10 revision C. Current pages Revision Cover C List of revisions C Table of contents A Introduction A 1 – 8 ; 11 – 20 A 9–10 ; 21 B 22 C Reference or revision Description Date M-139DFU02-10 revision A. Creation of the manual February 2002 Revision B. Modification of the manual (sections “Installing a October 2003 humidifier” and “Electrical characteristics of the power supply module”) Revision C. Modification of the manual (Implementation of the July 2005 CE-mark in the section “Symbol