Nordmann Engineering Omega Pro Service Manual
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Nordmann Engineering Omega Pro Service Manual

Steam humidifier
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Nordmann Omega Pro
Steam humidifier
SERVICE MANUAL
2588797 EN 1701

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Summary of Contents for Nordmann Engineering Omega Pro

  • Page 1 Nordmann Omega Pro Steam humidifier SERVICE MANUAL 2588797 EN 1701...
  • 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 authorized by Nordmann Engineering AG. Copyright Notice Copyright 2016, Nordmann Engineering AG All rights reserved.

  • Page 3: Table Of Contents

    Contents Introduction For your safety Factory settings Factory settings in "Factory" submenu 3.1.1 Determining unit settings 3.1.2 Determining unit settings 3.1.3 Determining the settings for the USB logger 3.1.4 Reset unit to factory default Factory functions in the "Service" submenu 3.2.1 Reset fault and service history 3.2.2...
  • Page 4 Notes on unit components and functions Main electronic components Unit versions Control signals Heating control Nordmann Omega Pro 5.4.1 Steam demand and heating assemblies Nordmann Omega Pro Level unit Fill and drain sequences 5.6.1 Fill and drain states on the Basic unit 5.6.2...

  • Page 5: Introduction

    The present service manual is meant for the trained Nordmann service technician and assumes a profound knowledge on the Nordmann Omega Pro. It is also assumed that the Service technician has notice of the installation manual and operation manual of the Nordmann Omega Pro and that he is familiar with the dangers when working on the unit.

  • Page 6: For Your Safety

    All work described in this service manual must only be carried out by trained Nordmann service technicians. It is assumed that the service technicians working with the Nordmann Omega Pro are familiar and comply with the appropriate regulations on work safety and the prevention of accidents.

  • Page 7: Factory Settings

    Factory settings With the factory password "1055" you may access the factory settings in the "Factory" submenu as well as the factory functions in the "Service" submenu. Factory settings in "Factory" submenu • Select the "Factory" submenu as shown below. Password: 1055...

  • Page 8: Determining Unit Settings

    Brand: With this setting you determine the brand name of the steam humidifier. Factory setting: Nordmann Options: Nordmann (for Nordmann Omega Pro) or Condair (for Condair RS) – Nominal Voltage: With this setting you determine the heating voltage of the of the steam humidifier.

  • Page 9: Determining Unit Settings

    3.1.2 Determining unit settings • In the "Factory" submenu press on the <Options> button. The optional settings parameter appear. Maintenance Small: With this setting you determine whether the mainte- – nance counter for the small maintenance is activated ("On") or not ("Off"). Factory setting: dependent on unit type (with or without scale collector tank)

  • Page 10: Determining The Settings For The Usb Logger

    – Digital Input J8: With this setting you determine whether the digital signal input J8 is deactivated ("Off) or wether it shall be used for leakage mo- nitoring ("Leakage Sensor") or for the external triggering of a drain cycle ("External Drain"). Note: if the digital signal input J8 is set to "Leakage Sensor"...

  • Page 11: Reset Unit To Factory Default

    Reset Serial Number: With this function you can reset the Nordmann – Omega Pro to factory default settings. After selecting the function a con- firmation dialogue appears where you can confirm the reset to the factory default settings or cancel the procedure. After switching the unit off and on again a dialogue appears where you have to enter the serial number of the unit (see rating plate).

  • Page 12: Factory Functions In The "Service" Submenu

    Factory functions in the "Service" submenu • In the main menu press on the <Service> button as shown below. Password: 1055 3.2.1 Reset fault and service history • Select in the "Service" submenu the "Fault/Service History" tab. Note: the functions "Reset Fault History" and "Reset Service History" are shown only, if the menu has been accessed with the factory password "1055".

  • Page 13: Output Diagnostic Functions

    3.2.2 Output diagnostic functions • Select in the "Service" submenu the "Diagnostic" tab. Note: the menu item "Output Diagnostics" is shown only, if the menu has been accessed with the factory password "1055". The following output diagnostic functions for "Cylinder A" (and "Cylinder B", if applicable) are available after accessing the "Output Diagnostics"...
  • Page 14 – Inlet 2: With this function you can open and close the second inlet valve on Option P units. Note: On standard units this parameter has not function. – Drain 1: With this function you can open and close the optional drain cooling valve.

  • Page 15: Operational Malfunctions

    Operational malfunctions W20/E20 - External safety loop open or interrupted Function: indicates that the safety chain is open. Procedure: if the external safety chain is open the system is blocked and the warning message "W20" is triggered. As soon as the safety chain is closed again the warning or error message is automatically reset. Note: By setting the parameter "Safety Loop"...

  • Page 16: E22 - Maximum Filling Time Exceeded

    180 s 180 s Procedure: the Nordmann Omega Pro monitors the filling process with different levels. If a level is not reached within the preset time (see table above) warning message "W22" is triggered and the heating is blocked as soon as the level drops below level 1 (level red). However the filling process is not stopped.

  • Page 17: E26 - Main Contactor Jammed

    Function: indicates if the main contactor K1 is jammed. Procedure: the Nordmann Omega Pro monitors, whether there is power on the power board or not. If the RS detects a voltage on the power board, even though the main contactor is not activated, the error message "E26"...

  • Page 18: W28/E28 - Small Maintenance Due

    Reset: Perform small maintenance, then Perform small maintenance, then reset maintenance counter. reset maintenance counter. Diagnostic actions: • Perform small maintenance in accordance with the instructions in the operation manual of the Nord- mann Omega Pro, then reset maintenance counter.

  • Page 19: E29 - Extended Maintenance Due

    7 days Reset: Perform extended maintenance, Perform extended maintenance, then reset maintenance counter. then reset maintenance counter. Diagnostic actions: • Perform extended maintenance in accordance with the instructions in the operation manual of the Nordmann Omega Pro, then reset maintenance counter.

  • Page 20: W32 - Humidity Sensor Signal Interrupted

    W32 - Humidity sensor signal interrupted Function: indicates that the humidity sensor signal is out of range. Unit is blocked. Procedure: the monitoring of the humidity sensor signal is active only, if the internal controller is activa- ted. If the humidity sensor signal drops below the threshold of 5 %, warning message "W32" is triggered and the unit is blocked.

  • Page 21: E34 - Maximum Drain Time Exceeded

    Function: indicates that the maximum drain time has exceeded. Procedure: the Nordmann Omega Pro monitors the draining process with different levels. If the next lower level is not reached within the preset time of 20 seconds the warning message "W34" is triggered.

  • Page 22: E47 - Invalid Level Detected

    E47 - Invalid level detected Function: indicates that a wrong level has been detected (e.g. level 1 and 4 have been detected in the same time, level detected though the level switch is closed). Procedure: if a wrong level is detected the "W47" is triggered and the unit stops humidifying and starts a level test.

  • Page 23: E52 - Unstable Level

    E52 - Unstable level Function: indicates that the level is unstable. Procedure: if during humidification the level reaches level 0 three times in 4 minutes, error message "E52" is triggered and the unit is blocked. Behaviour on activation: No Warning Error Error Message: –...

  • Page 24: E56 - Internal Safety Loop Interrupted

    4.10 E56 - Internal safety loop interrupted Function: indicates that the internal safety loop is interrupted. Procedure: if the internal safety loop is open the error message "E56" is triggered and the system is blocked. As soon as the internal safety loop is closed again the error message is automatically reset and the unit returns to normal operating mode.

  • Page 25: E58 - Leak Sensor

    4.11 E58 - Leak sensor Note implemented yet! 4.12 E74 - Keep Alive signal missing Function: indicates that the communication between control board and driver board is interrupted. Procedure: As soon as the keep alive signal from driver board is missing, the system is blocked and error "E74"...

  • Page 26: E80 - Usb Logger Fault

    4.13 E80 - USB Logger fault Function: indicates that there is a USB data logger fault. Procedure: If the USB data logger is activated and the unit can not write data on the memory stick, the error "E80" is triggered, but the unit stays in normal operating mode. Behaviour on activation: No Warning Error...

  • Page 27: E83 - Driver Board Address Of Extension Unit Wrong

    4.15 E83 - Driver board address of extension unit wrong Function: indicates that the driver board address of the extension unit (linkup system) is wrong. The integrated controller cannot differ between main unit and extension unit. Procedure: If the address of the extension driver board is not 1, error "E83" is triggered and the unit is blocked.

  • Page 28: E85 - Product Id Of Driver Board Wrong

    Diagnostic actions: • Replace driver board. • Install correct Nordmann Omega Pro driver board. 4.18 E86 - Wrong version of driver board Function: indicates that the driver board is not compatible with other hardware of the Nordmann Omega Pro.

  • Page 29: E87 / E88 / E89 - Driver Local Supply Voltage

    4.19 E87 / E88 / E89 – Driver local supply voltage Function: indicates that the internal 24 V, 5 V and/or the reference voltage supply of the driver board is not in the admissible range ±10 %. Procedure: As soon as the internal 24V are out of the range, error "E87", "E88" or "E89" is triggered and the unit is blocked.

  • Page 30: W95 - Heating Voltage Missing

    4.20 W95 - Heating voltage missing Function: indicates that the heating voltage is missing although a demand is present. Procedure: if a humidity demand is present the control check every two minutes, whether or not heating voltage is present. If no heating voltage is present the error message "W95" is triggered and the system is blocked.

  • Page 31: E100 - Fault State On Output Driver Of Inlet Valve

    4.22 E100 - Fault state on output driver of inlet valve 1 Function: indicates that the output driver of inlet valve 1 is in fault state. Procedure: If fault state occurs on the output of the inlet valve 1 the error message "E100" is triggered and the system is blocked.

  • Page 32: E112 - Fault State On Output Driver Of Optional Scale Collector Drain Valve

    4.24 E112 - Fault state on output driver of optional scale collector drain valve Function: indicates that the output driver of the optional scale collector drain valve is in fault state. Procedure: If fault state occurs on the output of the optional scale collector drain valve the error message "E112"...

  • Page 33: E121 - Maximum Vaporization Time Exceeded

    E121 - Maximum vaporization time exceeded Function: indicates that the maximum vaporization time has exceeded. Procedure: the Nordmann Omega Pro monitors the vaporization time to reach the requested demand. If the maximum vaporization time has exceeded the warning message "W121" is triggered and the unit starts a level test.
  • Page 34 These evaporating times are multiplied with a factor depending on the water level. Level Factor Table 2: Evaporation time factor Monitoring of the evaporation time The evaporating time is just measured and monitored, above the following values: 200V 230V 380V 400V 415V 440V...

  • Page 35: Notes On Unit Components And Functions

    Notes on unit components and functions Main electronic components The Nordmann Omega Pro is built-up by three electronic boards. • Integrated controller board The operating and control module of the unit. The main software functionality is implemented on this board. It’s possible to control up to an 80 kg/180 lbs unit with one integrated controller.

  • Page 36: Heating Control Nordmann Omega Pro

    Heating control Nordmann Omega Pro 5.3.1 Steam demand and heating assemblies Nordmann Omega Pro 230 V 5 kg, 8 kg, 10 kg Steam Heating assembly module A (Steam cylinder A) demand [%] A1/1 A1/2 A1/3 200 V 16 kg / 230 V 16 kg, 20 kg...
  • Page 37 380-415 V 16 kg, 20kg / 440-500V 16, 30kg / 550-600V 20kg Steam Heating assembly module A (Steam cylinder A) demand [%] A1/1 A1/2 A1/3 380-415V 24, 30kg, 40kg / 440-500V 20, 40kg / 550-600V 30, 40kg Steam Heating assembly module A (Steam cylinder A) demand [%] A1/1 A1/2...

  • Page 38: Level Unit

    Level unit The water level inside the steam cylinder is determined with the assistance of a level measuring device, called "level unit" that is provided with five Reed contacts. With these five Reed contacts six levels can be detected (level 0 to 5). The different levels are shown in the following table. Level Reed contacts Remarks...

  • Page 39: Fill And Drain Sequences

    Fill and drain sequences The fill and drain control is made up of different procedures, which run together event-driven. 5.5.1 Fill and drain states on the Basic unit State Procedure Condition Condition NO Condition YES Next procedure – Start up Level test Level ≤1 Steam cylinder...

  • Page 40: Idle Drain

    Idle Drain If the unit is a certain time in standby the cylinder with the standing water would be the perfect environ- ment for legionella and bacteria. Because of that, the idle drain is used to change the cylinder water after a defined time of 1-100h.

  • Page 41: Service Interval Times And Reduction Time

    Service interval times and reduction time The service interval times and reduction time can be configured in two different ways. 5.9.1 Manual input of the service interval times and reduction time With this type of configuration the interval times for the small and the extended maintenance as well as the reduction time are manually inputted in the control software.

  • Page 42: Calculated Service Interval And Reduction Time

    5.9.2 Calculated service interval and reduction time If the water supply quality is well known, it’s also possible to set the water mode in such a way, that the interval times for the small and the extended maintenance as well as the reduction time are automatically calculated based on the water quality.
  • Page 43 5.9.2.2 Definitions Water type: Water type Description Tap water Untreated tap water RO water with low conductivity < 5uS RO water with high conductivity > 5uS Equation parameter: Equation parameter Tap water RO water RO water < 5uS > 5uS Equation parameter Reduction (are used to calculate the reduction time) Factor...
  • Page 44 5.9.2.3 Equations for the calculation of the maintenance and reduction intervals Equation 1: (Ref. Water hardness − Water hardness) = Factor * (t * Gradient Interval IntervalNom IntervalNom Water hardness gradient range Equation 1 is used to calculate the interval time for the small and the extended maintenance as well as the reduction interval time when using tap water.
  • Page 45 Example 3: 20kg unit, Small maintenance: Small maintenance interval according to small maintenance table (see chapter 5.9.2.1): 600 h Water quality: Tap water, 18 °dH Used equation: Equation 1 (12 °dH − 18 °dH) = 1 * (600 h + * 600 h * 0.4 = 456 h Interval 10 °dH...

  • Page 46: Sim Card

    5.10 SIM card The main memory for the settings is in the flash memory of the integrated controller; the SIM card serves as a backup of all settings. When starting the integrated controller, the serial number of the SIM card is compared to that of the integrated controller.

  • Page 47: Replacing The Integrated Controller Board And Using The Existing Sim Card

    If an Integrated Controller without software is used, proceed as follows: 1. Switch off the power to the Nordmann Omega Pro and insert the USB stick with the requested soft- ware into the USB port at the back of the Integrated Controller.
  • Page 48 7. Open menu "Factory > Factory Default" and select <Reset Serial Number>, then confirm with <Yes>. 8. Disconnect the Nordmann Omega Pro from the mains and after 3 seconds switch it back on. Confirm the message "First Power Up" during the starting sequence with <Proceed>.
  • Page 49 Transferring the original settings from the SIM card is not possible when: – A completely new control unit with a new serial number is delivered (see case 10.3). The serial number has been loaded into the integrated controller during production. It does not match the serial number of the existing SIM card.

  • Page 50: Appendix

    Appendix Nordmann Omega Pro 400 V standard unit wiring HEAT GR. CON- PUMP SWITCH TACTOR PWR IC RS485 RS485 REMOTE BOARD RS485 RS485 ACCESSORY BOARD...
  • Page 52 CH94/0002.01 Nordmann Engineering AG Lindenhofstrasse 28, CH-4052 Basel Phone +41 61 404 46 50, Fax +41 61 404 46 79 www.nordmann-engineering.com, info@nordmann-engineering.com...

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