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Nordmann Engineering Omega Operation Manual

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Nordmann Omega
Steam generator
OPERATION MANUAL
2590562 EN 1710

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  • Page 1 Nordmann Omega Steam generator OPERATION MANUAL 2590562 EN 1710...
  • Page 2 Nordmann Engineering AG, except to the extent required for installation or maintenance of recipient's equipment. Liability Notice Nordmann Engineering AG does not accept any liability due to incorrect installation or operation of the equipment or due to the use of parts/components/equipment that are not authorised by Nordmann Engineering AG. Copyright Notice ©...

  • Page 3: Table Of Contents

    Contents Introduction To the very beginning Notes on the operation manual For your safety Product Overview Models overview 3.2 Identification of the unit 3.3 Construction of the Nordmann Omega steam generator 3.4 Functional description System overview Nordmann Omega Operation 4.1 First-time commissioning Display and operating elements 4.3 Commissioning after an interruption of operation Notes on operation 4.5...
  • Page 4 6.5 Configuration of the control software 6.5.1 Accessing the main menu 6.5.2 Configuration Maintenance 7.1 Important notes on maintenance 7.2 Maintenance intervals 7.3 Maintenance list 7.4 Removing and installing components for maintenance 7.4.1 Preparing the Nordmann Omega for the removal of components 7.4.2 Removal and installation of the steam tank 7.4.3 Removal and installation of the filling cup, the level unit and the water hoses 7.4.4 Removal and installation of the drain pump 7.4.5 Removal and installation of the inlet valve 7.4.6 Removal and installation of the steam tank receptacle 7.5 Notes on cleaning the unit components 7.6 Notes on cleaning agents 7.7 Replacing the optional filter cartridge 7.8 Resetting the maintenance counter Fault elimination 8.1...

  • Page 5: Introduction

    We thank you for having purchased the Nordmann Omega steam generator. The Nordmann Omega steam generator incorporates the latest technical ad van ces and meets all rec- ognized safety standards. Nevertheless, improper use of the Nordmann Omega steam generator may result in danger to the user or third parties and/or damage to property.
  • Page 6 Symbols used in this manual CAUTION! The catchword "CAUTION" used in conjunction with the caution symbol in the circle designates notes in this operation manual that, if neglected, may cause damage and/or malfunction of the unit or damage to property. WARNING! The catchword "WARNING"...

  • Page 7: For Your Safety

    For safety and warranty reasons any action beyond the scope of this manual must be carried out only by qualified personnel authorised by Nordmann. It is assumed that all persons working with the Nordmann Omega are familiar and comply with the ap- propriate regulations on work safety and the prevention of accidents.
  • Page 8 Prevention: Do not carry out any work on the steam system during operation (steam lines, steam distributor, etc.). If the steam system is leaky set the Nordmann Omega immediately out of operation as described in chapter 4.6. Correctly seal the steam system before putting the unit into operation again.

  • Page 9: Product Overview

    Product Overview Models overview Steam generators Nordmann Omega are available in two unit sizes with different heating voltages and steam capacities ranging from 4 kg/h up to a maximum of 20 kg/h. Model Unit size Max. steam capacity max. Heating voltage...

  • Page 10: Identification Of The Unit

    Identification of the unit The identification of the unit is found on the specification label: Type designation Serial number (7 digits) Month/Year Nordmann Engineering AG, Talstrasse 35-37, 8808 Pfäffikon SZ, Switzerland Heating voltage Type: Nordmann Omega 20 Ser.No: XXXXXXX 02.17 Heating voltage: 400V / 3~ / 50...60Hz...

  • Page 11: Construction Of The Nordmann Omega Steam Generator

    Construction of the Nordmann Omega steam generator 1 Water supply connector G 3/4" 15 Pressure equalizing hose 2 Inlet valve 16 Steam tank 3 Water supply hose 17 Coupling sleeve 4 Drain pump 18 Level hose 5 Water drain connector ø30 mm...

  • Page 12: Functional Description

    Functional description The Nordmann Omega steam generator is an atmospheric steam generator. It operates on the resistance heating principle and is designed for steam generation for steam baths or steam showers. Water supply The water is supplied via a filter valve (accessory "Z261") to the steam generator. It reaches the steam tank via the level controlled inlet valve and the open filling cup.

  • Page 13: System Overview Nordmann Omega

    System overview Nordmann Omega Inner diameter 30 mm (Small) / 45 mm (Medium) Z261 1 Steam generator 9 Filter valve (accessory "Z261") 2 Steam outlet connector 10 Filter cartridge (option "Size S" or "Size L") ø30 mm (Small) / ø45 mm (Medium) 11 Drain hose (by others) 3 Condensate connector ø10 mm (to drain)

  • Page 14: Operation

    Determining the carbonate hardness of the supply water (by measurement or from the local water supplier) • Configuring the control software of the Nordmann Omega via the integrated web interface or via the optional touch-screen: • Configuring via the integrated web interface (detailed information see chapter 5): 1.
  • Page 15 7. Setting the demand signal in the "Engineering > Control > Cntrl. Input Signal" menu, if sys- tem mode in the "Engineering > Control > System Mode" menu is set to "Demand Control" only. □ Voltage type input signals (0-5V, 1-5V, 0-10V, 2-10V, 0-20V, 0-16V, 3-16V) □...

  • Page 16: Display And Operating Elements

    After switching off the unit switch, there is still live voltage inside the control compartment of the Nord- mann Omega. Therefore, before opening the unit the steam generator must be always separated from the mains supply via the electrical isolator.

  • Page 17: Commissioning After An Interruption Of Operation

    "Warning" (LED light yellow) or "Fault" (LED light red). If the function check on the level unit is successful, the Nordmann Omega will be in normal operat- ing mode and the LED blinks green. As soon as a steam demand is present or the steam opera- tion is started manually, the heating current is switched on, the status LED lights green and steam is produced after a short time.

  • Page 18: Notes On Operation

    As a result, the steam tank of the Nordmann Omega is drained more frequently and thus the foam formation is counteracted. Inspections during operation During operation the Nordmann Omega and the humidification system have to be inspected weekly. On this occasion check the following: •...

  • Page 19: Taking The Unit Out Of Operation

    In order to take the Nordmann Omega steam generator out of operation (e.g. for maintenance purpose), perform the following steps: 1. If maintenance work on the water system of the Nordmann Omega is to be carried out, the steam tank must be emptied. Proceed as follows: a.

  • Page 20: Working With The Integrated Web Interface

    4. Feed an Ethernet cable through the housing feed-through into the Nordmann Omega and connect it to the RJ45 port on the control board of the Nordmann Omega and to the RJ45 port of the laptop.
  • Page 21 Connecting Ethernet cable 5. Relocate the unit cover on the Nordmann Omega and secure it with the retaining screw. 6. Switch on the electrical isolator in the mains supply, then switch on the Nordmann Omega via the unit switch. 7. Start the laptop, then start the web browser.

  • Page 22: Operating Of The Website Of The Web Interface

    Operating of the website of the web interface From the main menu, select the desired menu item or sub-menu item (e.g. "General"). The correspond- ing settings appear in the field to the right of the main menu. The operation is identical in all menus. Fig. 7: Operating elements in the menus Operating elements By clicking on the <Refresh>...

  • Page 23: Configuration And Query Of Unit Information

    In this menu the most important unit information is displayed. Capacity: Steam capacity of the Nordmann Omega. Operating Hours: Operating hours since the first commissioning of Nordmann Omega. HW Option: Built-in assembly option of Nordmann Omega control board. Control SW Version:...

  • Page 24: Menu "Actual Exceptions

    5.4.3 Menu "Actual Exceptions" This menu shows the currently active faults with the time of the fault occurred, the fault code and a corresponding fault message. 5.4.4 Menu "Exception History" This menu shows the fault history with the time of the faults occurred, the fault codes and a corresponding fault message for each fault.

  • Page 25: Menu "Application Settings

    Setting the steam level (High, Medium, Low) for constant steam production. Note: This setting is only taken into account if "Mode" is set to "Constant Steam" (constant steam production). The following table shows the steam capacities in % for each level. Omega 4 Omega 8 Omega 12 Omega 16...

  • Page 26: Menu "Timer Settings

    5.4.6 Menu "Timer Settings" In the "Timer" menu you determine the settings for timer controlled steam operation with temperature control or timer controlled steam operation with constant steam production. – Day timer Here you can determine when the next steam operation should start. For that, set the time of the day and the duration of the steam operation.
  • Page 27 – Week timer The programming of the week timer is equal as the day timer, however with the week timer the steam operation is repeated. Up to 10 week timers can be programmed. For each week day/week day range individual settings can be configured.. Additionally the application mode and the setpoint value can be set.

  • Page 28: Menu "General

    5.4.7 Menu "General" In the "General" menu you determine the actual date and the actual time of day. – Date: Setting the actual date (Format "dd:mm:yyyy"). – Time: Setting the actual Time of day (Format "hh:mm:ss"). 5.4.8 Menu "Service" In the "Service" menu (Password: 3562) and its submenus you determine the following settings: –...
  • Page 29 – Device Service: – Service Done: Resetting the maintenance counter after the maintenance has been performed. – Service Values: – Heat Count: Shows the operating hours projected to 100 % steam capacity. Next Service: Remaining time in hours until the next maintenance is due. –...

  • Page 30: Menu "Engineering

    "Cntrl. Input Signal". Note: With an external control unit the steam bath time is not monitored. – Spa: The steam production is controlled via the integrated controller of the Nordmann Omega. – Cabin Kind: –...
  • Page 31 Note: The statical IP address for the secondary Domain Name Server is used, if the DHCP mode is deactivated. – Diagnostic: – Diagnostic Mode: Activating/Deactivating the diagnostic mode. Note: as soon as the diagnostic menu is exited, the Nordmann Omega will drain the steam tank. – Output Steam Generator: – Relay Drain –...
  • Page 32 – Steam Generator: – Steaming Settings: – Session Timeout: setting the max. steam operation time after which the steam production is automatically stopped (Error 165 is shown). Note: If system mode under "Engineering > Control > System Mode" is set to "Demand Control" the steam time is not monitored.

  • Page 33: Import And Export Of The Configuration Data

    FTP client program (for example: WinSCP). This makes it possible to simply transfer the configuration settings with the FTP client program to the internal FTP server of other Nordmann Omega units which shall be operated with the same settings.

  • Page 34: Working With The Optional Touch-Screen

    Working with the optional touch-screen Standard operating display After switching on the Nordmann Omega and the automatic system test the steam generator is in normal operating mode and the Home screen is shown. The appearance of the Home screen depends on the configuration of the control software.

  • Page 35: Home Screens With Operation With "Constant Steam Production

    Temperature control activated, start of the steam operation at the set starting time (adjustable), duration of the steam operation up to the set duration (adjustable) possible. Warning triangle (function see chapter 6.2) Navigation elements (see chapter 6.4) Current temperature in the steam cabin. 30°C Note: By pressing this button you access the settings window for determining the temperature setpoint value.
  • Page 36 Control with constant steam quantity activated, Start and Stop of the steam operation manually, duration of the steam operation up to the set duration (adjustable). Warning triangle (function see chapter 6.2) Navigation elements (see chapter 6.4) Current steam production in % of the maximum steam capacity Note: By pressing this button you access the settings window where you can set the steam production to "Low", "Mid"...

  • Page 37: Home Screen With Operation With "External Control

    Warning triangle lights yellow: A warning is present or a maintenance is due. The steam generator continues operation. Warning triangle lights red: An fault is present. Depending on the type of fault the Nordmann Omega is stopped or continous normal operation.

  • Page 38: Operating Status Indication

    Operating status indication The following operation status indications may appear during operation: Operating status indications Description Standby The steam generator is in standby mode (no steam demand present) Preheating The steam generator is preheating. Steaming The steam generator is producing steam. Manual Draining The steam generator is draining.

  • Page 39: Configuration Of The Control Software

    You can select between three levels ("Low", "Mid" and "High"). Note: This menu item appears only if application mode is set to "Constant Steam". The following table shows the steam capacities in % for each level: Steam Quantity Omega 4 Omega 8 Omega 12 Omega 16...
  • Page 40 Timer In this submenu you determine the settings for timer controlled steam operation with temperature control or timer controlled steam operation with constant steam production. Note: This menu item appears only, if "Bath Start Option" setting under "Engineering > Steam Device > Control Settings" is set to "Timer". –...
  • Page 41 Main menu page 2 Mode In this submenu you determine the application mode of the steam generator: – "Constant Steam": Steam operation runs with constant steam production. Menu – "Temperature Control": Steam operation is temperature controlled. General In this submenu you determine the following settings: Mode –...
  • Page 42 DHCP Mode: Determining whether DHCP mode is used ("On") or not ("Off"). – IP Address: Determining the statical IP address of the Nordmann Omega. Note: The statical IP address is used, if the DHCP mode is deactivated. – Subnet Mask: Determining the subnet mask for IP communication.
  • Page 43 – Diagnostic: Note: as soon as the diagnostic menu is exited, the Nordmann Omega will drain the steam tank. – Output Humidifier: – Relay Drain – Inlet Valve – Sec. Contactor – Heat 1 – Heat 2 – Heat 3 –...
  • Page 44 – Preheating Duration: Setting the time during which preheating is active. Note: This menu item appears only, if "Preheating" function is set to "Timer Based". – Control Settings: – Manual Bath Start Option – Manual: Manual start of the steam operation. Note: If manual bath start option is active, the steam session time can not be set.

  • Page 45: Maintenance

    The water in the steam tank can be hot (up to 95 °C). There is danger of burning when the steam tank is dismounted shortly after steam has been produced. Prevention: Before carrying out any work on the steam system set the Nordmann Omega out of operation as described in chapter 4.6, then wait until the components have cooled down sufficiently...

  • Page 46: Maintenance Intervals

    To maintain operational safety the Nordmann Omega steam generator must be maintained at regu- lar intervals. The control software of the Nordmann Omega features a maintenance counter for the unit maintenance of the steam generator and one for the Replacement of the filter cartridge (only active if system is configured for the operation with the optional filter cartridge).
  • Page 47 Filter cartridge replacement intervals in litres The following table gives you an overview of the approximate replacement intervals of the filter cartridge based on the specific output, the carbonate hardness of the supply water (tap water) and the size of the filter cartridge.

  • Page 48: Maintenance List

    Steam tank Remove, disassemble and clean, replace defective components if necessary. Note: When operating the Nordmann Omega with the optional filter cartridge slight lime traces in the steam tank are normal. However, these slight lime traces must not be removed.

  • Page 49: Removing And Installing Components For Maintenance

    Removing and installing components for maintenance 7.4.1 Preparing the Nordmann Omega for the removal of components Before starting any removal work set the Nordmann Omega out of operation and drain the steam tank. Please refer to the notes in chapter 4.6. 7.4.2...
  • Page 50 3. Carefully lift the steam tank out of steam tank receptacle and remove it towards the front of the steam generator. CAUTION! Set down the steam tank carefully to ensure the connector on the bottom side of the steam tank is not damaged! 4.
  • Page 51 5. Carefully lift off the steam tank cover with the heating elements, and remove cover sealing. CAUTION! Take care with the cover while it is removed, so as not to damage the heating elements. 6. Loosen the strainer insert and lift it out of the steam tank. o b e u n t...
  • Page 52 7. If during maintenance one or more heating elements must be replaced: • First note position of the connecting cables inside the heating cable sockets. • Cut cables on the heating cable connectors. • Undo the nuts on the fixing flange of the appropriate heating element and remove heating ele- ment.
  • Page 53 Assembly and installation of the steam tank Assembly of the steam tank takes place in reverse sequence of the removal. Please note the following instructions: • Installation of any heating elements which have been removed should follow the figure of step 7 the removal.

  • Page 54: Removal And Installation Of The Filling Cup, The Level Unit And The Water Hoses

    7.4.3 Removal and installation of the filling cup, the level unit and the water hoses For removing the filling cup, the level unit and the water hoses the steam tank must be removed first (see chapter 7.4.2). 1. Release hose clamps, then disconnect all hoses from the corresponding connectors and remove the hoses. Note: The hoses connected to the filling cup and the level unit may also be removed together with the filling cup and the level unit (see illustration) and then disconnected from the connectors outside the unit.
  • Page 55 The installation of the filling cup, the level unit with control boards and the water hoses follows the re- verse sequence of the removal. Before fixing the hoses to the connectors with the hose clamps, align the hoses in a way that they are not twisted. Important: when installing the level unit make sure the two burls of the level unit engage into the holes of the third row of holes from the top.

  • Page 56: Removal And Installation Of The Drain Pump

    7.4.4 Removal and installation of the drain pump For removing the drain pump the steam tank must be removed first (see chapter 7.4.2). 1. Detach electric cables (polarity of the cables must not be observed). 2. Release hose clamps and remove the hoses from the connectors. 3.

  • Page 57: Removal And Installation Of The Inlet Valve

    7.4.5 Removal and installation of the inlet valve For removing the inlet valve the steam tank must not be removed. 1. Detach electric cables (polarity of the cables must not be observed). 2. Release hose clamp and remove the hose from the connector. 3.

  • Page 58: Removal And Installation Of The Steam Tank Receptacle

    7.4.6 Removal and installation of the steam tank receptacle For removing the steam tank receptacle the steam tank must be removed first (see chapter 7.4.2). 1. Release hose clamps and remove hoses from the connectors. 2. Undo the screw fixing steam tank receptacle to the bottom of the housing with Phillips screwdriver. 3.

  • Page 59: Notes On Cleaning The Unit Components

    Notes on cleaning the unit components Unit component What to clean and how to clean Steam tank / steam tank strainer • Carefully knock off any limescale from the components. If the components are heavily calcified, place them in an 8% formic acid solution (observe safety notes in chapter 7.6), until the limescale comes off.
  • Page 60 Unit component What to clean and how to clean Inlet valve • Use a soft bristled brush (do not use a wire brush) to remove any limescale inside the inlet valve and on the strainer. • Wash inlet valve and strainer insert with a lukewarm soap solution, then rinse well with tap water.

  • Page 61: Notes On Cleaning Agents

    Unit component What to clean and how to clean Level unit • Disassemble level unit. • Remove any limescale inside the housing of the level unit and its connectors using a soft bristled brush (do not use a wire brush). If the housing of the level unit is heavily calcified, place it in an 8% formic acid solution (observe safety notes in chapter 7.6), until the limescale comes off.

  • Page 62: Replacing The Optional Filter Cartridge

    To replace the filter cartridge, proceed as follows 1. Switch off the Nordmann Omega via the unit switch. 2. Make sure the white hose is connected to the bypass connector on the filter head.
  • Page 63 Bypass Bypass to Nordmann to Nordmann Supply Supply Omega Omega Fig. 12: Set valve to "Bypass" Fig. 13: Set valve to "Supply" (flushing position) (operating position) Note: a milky or dark discolouration of the water flowing out is normal and does not indicate a con- tamination.

  • Page 64: Resetting The Maintenance Counter

    Important: the maintenance counter must be reset only, if the respective maintenance work has been carried out! Fig. 14: Resetting the maintenance counter Resetting the maintenance counter on the Nordmann Omega with optional touch-screen: 1. Make sure that the unit cover is attached and secured. 2. Switch on the Nordmann Omega.

  • Page 65: Fault Elimination

    General notes Only use original spare parts from your Nordmann representative to replace defective parts. Safety Before starting repair work on the Nordmann Omega set the unit out of operation and disconnect it from the mains (see chapter 4.6). DANGER! Make sure the Nordmann Omega is separated from the mains (check with voltage tester) and the shut-off valve in the water supply line is closed.

  • Page 66: Fault Indication

    LED (warning present or maintenance due) or the red illuminated LED (fault present) above the unit switch. Note: The current warning and/or fault messages can be interrogated via the integrated web interface and a web browser. For that purpose, a laptop must be connected to the Nordmann Omega. Please refer to the notes in chapter 5.2 and chapter 5.4.3.

  • Page 67: Malfunction List

    Safety loop External safety chain is open. Note: The Nordmann Omega goes into standby operation. As soon as the external safety chain is closed again the Nordmann Omega continues to work normally. One or more monitoring Check the monitoring devices of device(s) of the external safety the external safety chain.
  • Page 68 ––– Temp. sensor out of range The measured temperature is out of the admissible range. Note: The Nordmann Omega stops operation. After elimination of the fault the Nordmann Omega must be restarted. Wrong temperature sensor con- Check whether the correct tem- nected.
  • Page 69 ––– Local 5 V supply Local 5 V voltage on control board out of valid range! Note: The Nordmann Omega goes into standby operation. If the malfunction disappears on its own the Nordmann Omega continues to work normally. Short circuit on supply module or Contact your Nordmann repre- supply module defective.
  • Page 70 E158 Heat Element 1 control relay Heating element control relay 1 does not work correctly. Note: The Nordmann Omega stops operation. After elimination of the fault the Nordmann Omega must be restarted. Heating element control relay 1 Contact your Nordmann repre- on control board blocked.
  • Page 71 ––– Update in Progress A firmware update is running and indicates that the Nordmann Omega does not run correctly until the update is finished. Note: The Nordmann Omega continues to work normally. A firmware update is in pro- Wait until the firmware of all gress.

  • Page 72: Resetting The Fault Indication

    To reset the error indication (red LED light, operating status indication shows "Stop"): 1. Switch off the Nordmann Omega via the unit switch. 2. Wait approx. 5 seconds, then switch on the Nordmann Omega again. Note: If the fault has not been eliminated, the fault indication reappears after a short while.

  • Page 73: Replacing The Fuses And Backup Battery In The Control Unit

    To replace the fuse or the backup battery proceed as follows: 1. Disconnect the Nordmann Omega from the mains by switching off the electrical isolator in the mains supply line and secure electrical isolator in "Off" position against inadvertent switching on.

  • Page 74: Taking Out Of Service/Disposal

    Taking out of service/Disposal Taking out of service If the Nordmann Omega must be replaced or if the Nordmann Omega is not needed any more, proceed as follows: 1. Take the Nordmann Omega out of operation as described in chapter 4.5.

  • Page 75: Product Specification

    12.5 26.1 –– –– –– –– –– 20.0 15.5 26.1 10.2 Operating data Nordmann Omega Supply voltage 230 V/1~/ 400 V/3~/ 50...60 Hz 50...60 Hz Umber of heating elements Max. steam capacity 4 kg/h 8 kg/h 12 kg/h 16 kg/h...

  • Page 76: Connections/Dimensions/Weights

    10.3 Connections/Dimensions/Weights Nordmann Omega Water supply connector G 3/4" external thread Water drain connector ø30 mm Steam outlet connector ø29 mm ø45 mm Unit dimensions (HxBxT) 470 x 350 x 150 470 x 350 x 270 Net weight 10.6 kg 14.4 Kg...

  • Page 77: Commissioning Record

    Commissioning record Nordmann Omega Commissioning record Date of commissioning: _________________ Taken in operation by: _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ Unit type: Nordmann Omega Serial number: ____________________________________      Carbonate hardness supply water: ______________ [°dH] Set supply water type: ...

  • Page 78: Service Record

    Service record Nordmann Omega Service record Service carried out: _________________ (Date) Signature: _____________________________ Parts replaced: _______________________________________________________________________ _______________________________________________________________________ Next service planned: _________________ (Date) Service carried out: _________________ (Date) Signature: _____________________________ Parts replaced: _______________________________________________________________________ _______________________________________________________________________ Next service planned: _________________ (Date) Service carried out:...
  • Page 80 CH94/0002.01 Nordmann Engineering AG Lindenhofstrasse 28, 4052 Basel, Switzerland Tel. +41 61 404 46 50, Fax +41 61 404 46 79 www.nordmann-engineering.com, info@nordmann-engineering.com...

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