DEHACO B.V.Kruisbaak 25, 2165 AJ Lisserbroek (NL)PO box 189, 2160 AD Lisse (NL)Tel.:+31(0)252 417 950, fax: +31 (0) 252 418 531www.dehaco.nlinfo@dehaco.nlNegative pressure units manual DEH 500 – DEH 30000 2014 v1.0en -page 4-Table of contents1. Foreword ....................................................................................................22. Introduction .................................................................................................53. General description .....................................................................................64. Intended use ..............................................................................................85. Technical specifications...............................................................................9a) Single-piece negative pressure units ................................................ 9b) Two-piece negative pressure units ................................................. 106. Safety ........................................................................................................ 117. Storage ..................................................................................................... 128. Transportation ........................................................................................... 129. Operation ................................................................................................. 13a) Overview of the unit ...................................................................... …13b) Installing the negative pressure unit ............................................... 14c) Starting up........................................................................................ 17d) Operational monitoring .................................................................... 18e) Shutdown......................................................................................... 1810. Maintenance ........................................................................................... 19a) Preventive maintenace .................................................................... 19b) Changing the pre-filter ..................................................................... 1911. Malfunctions ............................................................................................ 2012. End of life ................................................................................................ 2113. Warranty ................................................................................................. 21Registration list for maintenance and filter replacement ............................... 22