5
6.7.3 Suction tubes ............................................................................................................................. 70
6.7.4 pH measuring device ................................................................................................................. 71
6.7.5 Return suction system ............................................................................................................... 72
6.8 Glycerine-filled pressure gauge ..................................................................................................... 74
6.9 External heat dissipation ................................................................................................................ 75
6.9.1 Chilling medium (glycol-cooled version only)............................................................................. 75
6.9.2 Waste air system (only air-cooled version)................................................................................ 76
6.10 Electrical connection ...................................................................................................................... 77
6.11 Disconnecting the unit.................................................................................................................... 78
6.11.1 Disassembly............................................................................................................................... 78
6.11.2 Recycling.................................................................................................................................... 78
7 Operation...............................................................................................................................................79
7.1 General information........................................................................................................................ 79
7.2 Adjustments.................................................................................................................................... 80
7.2.1 Dampening solution circuit (D-circuit) ........................................................................................ 82
7.2.2 Notes concerning the software .................................................................................................. 83
7.3 Control unit ..................................................................................................................................... 85
7.3.1 Selection and adjustment of values ........................................................................................... 85
7.3.2 Entering a password .................................................................................................................. 86
7.3.3 Loading the default settings....................................................................................................... 87
7.3.4 Symbol description..................................................................................................................... 87
7.3.5 Program overview ...................................................................................................................... 90
7.3.6 Screen contents and descriptions.............................................................................................. 95
7.3.6.1 Screen overview................................................................................................................ 95
7.3.6.2 Screen: Functions ............................................................................................................. 95
7.3.6.3 Screen: Values .................................................................................................................. 99
7.3.6.4 Screen: Setup.................................................................................................................. 100
7.3.6.5 Screen: Process data...................................................................................................... 116
7.3.6.6 Screen: Service ............................................................................................................... 119
7.3.6.7 Screen: Status................................................................................................................. 125
7.3.6.8 Screen: Language selection............................................................................................ 126
8 Maintenance........................................................................................................................................127
8.1 Overview....................................................................................................................................... 128
8.1.1 Air-cooled version .................................................................................................................... 129
8.1.2 Glycol-cooled version............................................................................................................... 131
8.2 Maintenance plan ......................................................................................................................... 133
8.2.1 General information ................................................................................................................. 133
8.2.2 Dampening solution circuit (D-circuit) ...................................................................................... 134
8.2.3 Refrigeration circuit .................................................................................................................. 136
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