Landustrie version 06-12 | operation & maintenance manual DWP & DNP-EX seriesSubject to modifications 3 / 16Foreword:This manual includes several warnings, installation guidelines and safety instructions. Beforeinstallation, please read carefully to avoid dangerous situations, which can lead to severe physicalinjury, and which could also damage the pump.Both the DWP and DNP pump series are typically designed to pump waste water containing longfibrous materials.De DNP slurry pumps are typically designed for all kinds of weary media, such as sand mixturesand slurries. The pump is equipped with a heavy duty Epoxy coating for long operational use.The pump is built in Flameproof version and might be used in a potentially explosive atmosphere,ATEX: group II category 2 IEC: (zone 1).The DWP en DNP pumps are designed for professional use only.Only trained and skilled personal may install, maintain and operate the pump.Pump identification:The main characteristics are given on the data plate, which is connected to the pumpCode of Notified body 0344 (DEKRA) and Ex category are on the second data plate.Power supply:The power supply of the pump is part of the controls of the electrical installation.Please read carefully the specific user instructions of the electrical installation.These instructions, including the wiring diagram, are necessary for safe installation.Usage limitations:De DWP & DNP pumps in Explosion proof Version may be installed in potentialexplosive atmospheres, group II category 2 (zone 1) gas group IIB temp. class T4.In combination with frequency control temperature class T3 is valid.Pay attention to the right temperature and gas group classification, see EN 60079-0.Only use original spare parts to maintain the explosion safety !