3
1 Introduction 4
1.1 To the very beginning 4
1.2 Notes on the operating instructions 4
2 For your safety 6
3 Product Overview 8
3.1 Models overview 8
3.2 Identicationoftheunit 9
3.3 Steam generator construction 10
3.4 Functional description 11
3.5 Humidicationsystemoverview 13
4 Operation 14
4.1 Commissioning 14
4.2 Notes on operation 15
4.2.1 Functionofthedisplayandoperatingelements 15
4.2.2 Remoteoperatingandfaultindication 16
4.2.3 Notes on the operation at ambient
temperatures≤0°C 16
4.2.4 Inspectionsduringoperation 16
4.3 Carrying out manual draining 17
4.4 Takingtheunitoutofoperation 17
5 Working with the unit control 18
5.1 Operating the control unit and menu overview 18
5.2 Basic steam bath settings 20
5.2.1 Setting the temperature setpoint (steam bath
operation) or humidity setpoint (caldarium operation) 20
5.2.2 Setting the control mode 20
5.2.3 Setting the steam bath time 21
5.2.4 Conguringthefragrancepump(s) 21
5.2.5 Switchingtheeffectlight(Light-2)onandoff 22
5.3 Unit settings in the user settings menu 23
5.3.1 Launchingtheusersettingsmenu 23
5.3.2 Selecting the dialogue language 23
5.3.3 Steam bath control settings 23
5.3.3.1 Setting the operation mode 24
5.3.3.2 Conguringweektimer 24
5.3.3.3 Settingthemaximumheatingtimefor
week timer operation 25
5.3.3.4 Fancontrolsettings 26
5.3.3.5 Fragrance pump control settings 30
5.3.3.6 Lightcontrolsettings 30
5.3.3.7 Sensor signal settings 31
5.3.3.8 Setting the controller type 35
5.3.3.9 Settingtheproportionalrangeforthe
internal P/PI controller 35
5.3.3.10 SettingtheintegraltimefortheinternalPIcontroller 35
5.3.3.11 ConguringtheQuasiOn/Offcontrol 36
5.3.3.12 Settingthemaximumdooropeningtime 36
5.3.4 Selecting the cylinder type 37
5.3.5 ConguringtheSCsystem 37
5.3.5.1 Activating/deactivating the SC system 37
5.3.5.2 SettingtheoperationtimeoftheSC-Pump 38
5.3.6 Conguringthecapacitylimitation 38
5.3.7 Watermanagementsettings 39
5.3.7.1 Selectingtheconductivityrangeofthesupplywater 39
5.3.7.2 Settingthedrainfactor 39
5.3.7.3 Settingtheoperatingmodeforstandbyoperation 40
5.3.7.4 Activating/Deactivatingtheforceddraining 42
5.3.7.5 Settingthetimeofoperationafterwhicha
forceddrainingtakesplace 43
5.3.8 Setting the date 43
5.3.9 Settingthetime 43
5.3.10 Setting the display contrast 43
Contents
5.4 Modbus settings 44
5.4.1 SettingsforModbusnetworks 44
5.4.2 Settingsforthecommunicationwiththe
optional remote terminal 45
5.5 Diagnosticfunctions 46
5.5.1 Interrogationoftheerrorhistory 46
5.5.2 Interrogationofunitinformation 47
5.5.3 Performingremotesteambathtests 48
5.5.4 Performingremoterelaytests 49
5.5.5 PerformingModuletests 49
5.6 Workingwiththeremoteterminal 50
5.6.1 Menuoverviewremoteterminal 50
5.6.2 Remoteterminalsettings 51
5.6.2.1 Selectingthedialoguelanguage 51
5.6.2.2 Settingthenumberofsteamgenerators
connected to the remote terminal 51
5.6.2.3 Interrogationoftheerrorhistoryofthe
remote terminal 51
5.6.2.4 Resettingtheerrorhistorylistoftheremoteterminal 52
5.6.2.5 Settingthebaudrate 52
5.6.2.6 Settingthedisplaycontrast 52
6 Maintenance 53
6.1 Importantnotesonmaintenance 53
6.2 Maintenancelist 54
6.3 Removingandinstallingpartsformaintenance 55
6.3.1 Removalandinstallationofthesteamcylinder 55
6.3.2 Removalandinstallationofthedraincup 58
6.3.3 Removalandinstallationofthewatercupand
thewaterhoses 59
6.3.4 Removalandinstallationofthedrainpump 60
6.3.5 Removalandinstallationoftheinletvalve 61
6.3.6 Removalandinstallationofthecylinderreceptacle 62
6.4 Notesoncleaningtheunitcomponents 63
6.5 Notesoncleaningagents 65
6.6 Resettingthemaintenanceindication 65
7 Fault elimination 66
7.1 Faultindication 66
7.2 Malfunctionlists 67
7.2.1 Systemfaults 67
7.2.2 Unitfaults 68
7.3 Notesonfaultelimination 70
7.4 Resettingtheerrorindication(redLEDlights) 70
7.5 Replacing the backup battery on the control board 71
8 Taking out of service/Disposal 72
8.1 Takingoutofservice 72
8.2 Disposal/Recycling 72
9 Productspecications 73
9.1 Technicaldata 73
9.2 WiringdiagramNordmannAT4D 74
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