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6.2.1 Setting the language ...................................................................................................... 25
6.2.2 Input of date and time of day .......................................................................................... 25
6.2.3 Control settings .............................................................................................................. 26
6.3 Screen 2 - Main screen ..................................................................................................... 28
6.3.1 Changing the set point temperature ............................................................................... 28
6.4 Password entry .................................................................................................................. 30
6.5 Screen 3 - Main menu (user level) .................................................................................... 30
6.6 User level submenus ......................................................................................................... 30
6.6.1 Settings submenu ........................................................................................................... 33
6.6.2 Reading values submenu ............................................................................................... 34
6.6.3 History submenu ............................................................................................................ 37
6.7 Screen 3 - Main menu (operator level) .............................................................................. 39
6.8 Operator level submenus .................................................................................................. 39
6.8.1 Settings submenu ........................................................................................................... 40
6.8.2 Reading values submenu .............................................................................................. 41
6.8.3 Control submenu ............................................................................................................ 41
6.8.4 Service submenu ............................................................................................................ 42
6.8.5 History submenu ............................................................................................................ 44
6.8.6 Blow-down submenu ...................................................................................................... 45
6.8.7 Fill parameters submenu ................................................................................................ 45
6.8.8 Functions submenu ........................................................................................................ 46
6.8.9 Communication interface submenu ................................................................................ 48
6.8.11 SPA submenu .............................................................................................................. 50
6.8.12 Essence submenu ........................................................................................................ 52
6.8.13 Recording submenu ..................................................................................................... 53
6.8.14 Relay extension 1 submenu ......................................................................................... 55
6.8.15 Relay extension 2 submenu ......................................................................................... 56
7.1 Fault handling .................................................................................................................... 60
7.1.1 Table of fault messages, possible causes and countermea-sures ................................. 60
7.2 Servicemessages and warnings ....................................................................................... 67
7.3 Functional fault chart ......................................................................................................... 68
8. Wiring diagram .................................................................................................................. 72
9. Glossary ............................................................................................................................. 84
10. Technical data ................................................................................................................. 90