07englishIVB 3-HIVB 5-HIVB 7-H4.2 Switching on thevacuum cleaner4.2.1 Switch position “I”1. Turn the switch to position„I“.The vacuum cleaner motorstarts.4.2.2 Switch position „auto“ Before switching the switch to position„auto“, ensure that the tool connectedto the appliance socket is switched off.1. Turn the switch to position„auto“. The vacuum cleaner mo-tor starts when the connectedappliance is switched on.2. When the power tool is switchedoff the vacuum cleaner contin-ues to run for a short momentso that any dust in the suctionhose is conveyed to the safetyfilter bag.4.1.3 Connecting electricalappliances1. Ensure that the electricalappliance is switched off.2. Connect the electrical appli-ance to the appliance socketon the control panel.To comply with regulations, only ap-proved dust producing tools shouldbe connected.The maximum power consumptionof the connected power tool is stat-ed in section 9.4 “Technical data”.The hose diameter and the settingfor the suction hose diameter mustbe the same.HoseøHose diametersettingø27 ø27ø32 ø32ø38 ø38ø50 ø5000000336522700000335227The hose diameter and the settingfor the suction hose diameter mustbe the same.HoseøHose diametersettingø27 ø27ø32 ø32ø38 ø38ø50 ø504.2.3 Suction power control The motor speed and the suc-tion power can be varied withthe suction power control. Thisallows precise adaptation ofthe suction power for differentcleaning tasks.0000033652274.3 Check volume flowmonitorBefore picking up dust with maxi-mum room concentration values:1. Check that all the filters arepresent and properly fitted.2. When the motor is running,hold the suction hose shut.An acoustic warning soundsafter approx. 1 second.