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6.4 Water discharge ................................................................................................................ 26
6.5 Water connections final check ........................................................................................... 27
7.1 Electrical installation approach .......................................................................................... 28
7.2 Cable connections ............................................................................................................. 28
7.3 Connection of interlock (safety) system ............................................................................ 29
7.4 Control signal .................................................................................................................... 29
7.4.1 1-step operation ............................................................................................................. 29
7.4.2 Operation with an active humidity sensor or external controller ..................................... 29
7.4.3 Wiring for control signal and safety (interlock) system for multiple devices ................... 30
7.5 Connection diagram .......................................................................................................... 30
7.6 Electrical installation check list .......................................................................................... 30
8. Commissioning ................................................................................................................. 31
9. Maintenance ....................................................................................................................... 32
9.1 General .............................................................................................................................. 32
9.1.1 Safety instructions for maintenance ............................................................................... 32
9.2 Maintenance when unit is operated with fully demineralised water and condensate ........ 33
9.3 Maintenance when unit is operated with tap water or partially softened water ................ 33
9.4 Removing and cleaning the steam cylinder ....................................................................... 34
9.5 Steam cylinder and cylinder base cleaning ....................................................................... 38
9.6 Level control device cleaning ............................................................................................ 39
9.7 Cleaning the vent hole on the pipe elbow ......................................................................... 39
9.8 Heater element replacement ............................................................................................. 40
9.9 Thermo switch replacement (for heater elements) ............................................................ 40
9.10 Releasing a thermo switch that has triggered ................................................................. 41
9.11 Inspection of wiring connections and heater element wiring ........................................... 41
9.12 Removal and reinstallation of the solenoid valve including fine filter cleaning ............... 42
9.13 Cleaning of blow-down pump .......................................................................................... 43
9.14 Inspection of hoses ......................................................................................................... 43
9.15 Functional check ............................................................................................................. 43
10. Dismantling ...................................................................................................................... 44
11. Unit Control ...................................................................................................................... 45
11.1 General description ......................................................................................................... 45
11.2 Wiring Diagrams ............................................................................................................. 47
11.2.1 Mainboard inputs and outputs ...................................................................................... 51
11.3 Control operation ............................................................................................................. 52
11.3.1 Principal user guidance ................................................................................................ 52
11.3.2 Menu structure ............................................................................................................. 52
11.3.3 Menu tree ..................................................................................................................... 53
11.4 The control panel ............................................................................................................. 54
11.5 Navigation within a menu ................................................................................................ 55
11.6 Tabular representation of reading value list and provider level submenus ..................... 56
11.6.1 The reading value list ................................................................................................... 56