Nortec MH Series User's Manual
Contents
1. 34 WARRANTY THIS PAGE INTENTIONALLY LEFT BLANK 10 00 Page 1 2008 12 03 10 00 INTRODUCTION 10 00 Page 2 2008 12 03 1 INTRODUCTION 1 1 NOTES ON THE OPERATING INSTRUCTIONS Limitation These operating instructions are an addendum to the installation and operating instructions for the Nortec MH and describe the operating of the MH control unit which is used with the models Nortec MHTC Flow MHB Reflow MHTC Reflow These operating instructions are meant for well trained personnel being sufficiently qualified Safekeeping Please safeguard these operating instructions in a safe place where they can be immediately accessed If the equipment changes hands the documentation must be passed on to the new operator If the documentation gets lost please contact your local Nortec representative Copyright protection The present operating instructions are protected under the Copyright Act Passing on and reproduction of the manual or part thereof as well as exploitation and communication of the contents are prohibited without written permission by the manufacturer Violation of copyright terms is subject to legal prosecution and arises liability for indemnification The manufacturer reserves the right to fully exploit commercial patent rights 1 2 SAFETY Every person operating the MH control unit must have read and understood the operating instructions of the MH control unit as well as the2. CPU on control board defective Replace control board Hardware Fault clock CPU on control board defective Replace control board 10 30 Page 30 2008 12 03 1 2 2 Unit Faults Warning Error Cause Remedy LED Display LED Display External safety chain is open Red and green flash Air proving interlock open If applicable check turn on fan Air flow monitor triggered Check fan filter of the fan system Safety humidistat triggered Wait if applicable check safety humidistat Error level sensor Error level sensor Red flashes Red lights The level sensor is blocked or defective broken or short circuited Check clean or replace level sensor Check level sensor with ohmmeter If no water is in the tub the circuit of the level sensor must be closed If the water in the tub is on maximum level sensor must be open Maximum filling time exceeded 30 minutes Maximum filling time exceeded more than 4 hours Red flashes Red lights Note This error message is reset automatically as soon as the water supply functions again Water supply blocked shut off valve closed water pressure too low Water treatment unit fully demineralised water is regenerating Check water supply filter pipes etc Check open shut off valve Check water pressure Inlet valve blocked or defective Check strainer in the inlet valv
3. installation and operating instructions of the Nortec MH specially the safety instructions Knowing and understanding the contents of the operating instructions of the MH control unit and the installation and operating instructions of the Nortec MH is a basic requirement for protecting the personnel against any kind of danger to prevent faulty operation and to operate the unit safely and correctly 10 00 Page 3 2008 12 03 2 OPERATING THE MH CONTROL UNIT 2 1 FUNCTION OF THE DISPLAY AND OPERATING ELEMENTS Figure 1 Display 10 00 Page 4 2008 12 03 2 2 SWITCHING THE CONTROL UNIT ON AND OFF NOTE For putting the unit into operation and taking the unit out of operation please follow the procedures described in the installation and operating instructions for the Nortec MH Switching the MH control unit on The control carries out a system test during which all the LEDs light up and the opposite display is shown If a failure occurs on the system test a corresponding error message is shown in the display After the system test the control is in normal operation mode The display shows the standard operating display Note The contents of the standard operating display depends on the type MHTC Flow MHTC Reflow the actual operating status and on the configuration of the Nortec MH and can differ from the opposite display Switching the MH control unit off The display goes out On models MHB Reflow and MHTC Reflow the dr
4. procedure To return to the standard operating display press the lt Esc gt key several times 10 20 Page 26 2008 12 03 1 3 RESETTING THE HOURS METER OF THE UV LAMP After replacing the UV lamp option the hours meter of the UV lamp must be reset Note If the hours meter of the UV lamp is not reset within 168 hours the UV maintenance warning an error message is triggered Select the maintenance menu Path Main menu gt User gt Password entry 8808 gt Maintenance Select Module A then press the lt Set gt key Select UV lamp Rst then press the lt Set gt key The reset dialogue shows up in the display Press the lt Yes gt key to reset the hours meter of the UV lamp Note Press the lt Esc gt or lt No gt key if you wish to abort the reset procedure To return to the standard operating display press the lt Esc gt key several times 10 30 Page 27 2008 12 03 10 30 TROUBLESHOOTING 10 30 Page 28 2008 12 03 1 FAULT INDICATION 1 1 FAULT INDICATION Malfunctions during operation are indicated by a corresponding warning or error message in the display of the control unit Warning messages additionally to the error message the red LED is on Further operation is still possible If the cause of the malfunction disappears of its own accord the warning message will automatically switch off If the cause of the malfunction does not disappear even after a longer period of time an error mes
5. 2544831 A MH Series CONTROL UNIT Installation Manual TM PROPRIETARY NOTICE This document and the information disclosed herein are proprietary data of WALTER MEIER LTD Neither this document nor the information contained herein shall be reproduced used or disclosed to others without the written authorization of WALTER MEIER LTD except to the extent required for installation or maintenance of recipient s equipment All references to the NORTEC name should be taken as referring to WALTER MEIER LTD LIABILITY NOTICE WALTER MEIER LTD does not accept any liability for installations of humidity equipment installed by unqualified personnel or the use of parts components equipment that are not authorized or approved by WALTER MEIER LTD COPYRIGHT NOTICE Copyright 2008 WALTER MEIER LTD All rights reserved RECORD OF REVISIONS For each revision put the revised pages in your manual and discard the superseded pages Write the revision number and revision date date put in manual and the incorporator s initials in the applicable columns on the Record of Revisions Revision Number Revision Date Date Put In Manual By Revision Number Revision Date Date Put In Manual By TABLE OF CONTENTS Subject Page 10 00 INTRODUCTION 1 INTRODUCTION 2 1 1 NOTES ON THE OPERATING INSTR
6. ARRYING OUT MANUAL DRAINING PIPE FLUSHING To carry out a manual draining MHTC Reflow or pipe flushing MHTC Flow proceed as follows Drain 1 Briefly press the drain key The drain flush dialogue appears in the display 2 Press the lt Start gt key Models MHTC Reflow The drain valve opens after a delay of up to 3 minutes and the water tub empties The yellow LED flashes Model MHTC Flow The inlet valve and the flushing valve open and the pipe is flushed The yellow LED flashes To stop the drain flush cycle press the lt Stop gt key Note By pressing the lt Esc gt key the control unit returns to the standard operating display A drain flush cycle in progress will be stopped automatically 10 20 Page 25 2008 12 03 1 2 RESETTING THE MAINTENANCE INDICATION After completing maintenance work the maintenance indication yellow LED lights must be reset on the models MHTC Flow MHB Reflow MHTC Reflow Note If the maintenance indication is not reset within 168 hours a fault is triggered and the unit stops operation Select the maintenance menu Path Main menu gt User gt Password entry 8808 gt Maintenance Select Module A then press the lt Set gt key Select Stage Reset then press the lt Set gt key The reset dialogue shows up in the display Press the lt Yes gt key to reset the maintenance hours of the unit Note Press the lt Esc gt or lt No gt key if you wish to abort the reset
7. G THE ERROR INDICATION To reset the error indication Investigate and correct cause of error Turn control panel ON OFF switch to OFF Wait approx 5 seconds then turn control panel ON OFF switch to On position Note If the fault has not been eliminated the error indication reappears after a short while WARRANTY 1 WALTER MEIER INC and or WALTER MEIER LTD hereinafter collectively referred to as THE COMPANY warrant for a period of two years after installation or 30 months from manufacturer s ship date whichever date is earlier that THE COMPANY s manufactured and assembled products not otherwise expressly warranted with the exception of the cylinder are free from defects in material and workmanship No warranty is made against corrosion deterioration or suitability of substituted materials used as a result of compliance with government regulations 2 THE COMPANY s obligations and liabilities under this warranty are limited to furnishing replacement parts to the customer F O B THE COMPANY s factory providing the defective part s is returned freight prepaid by the customer Parts used for repairs are warranted for the balance of the term of the warranty on the original humidifier or 90 days whichever is longer 3 The warranties set forth herein are in lieu of all other warranties expressed or implied by law No liability whatsoever shall be attached to THE COMPANY until said products have been paid for in full and
8. IGURATION 12 1 1 UNIT SETTINGS 12 1 2 MODBUS SETTINGS 21 10 20 OPERATIONAL FUNCATIONS 1 OPERATIONAL FUNCATIONS 24 1 1 CARRYING OUT MANUAL DRAINING PIPE FLUSHING 24 1 2 RESETTING THE MAINTENANCE INDICATION 25 1 3 RESETTING THE HOURS METER OF THE UV LAMP 26 10 30 TROUBLESHOOTING 1 FAULT INDICATION 28 1 1 FAULT INDICATION 28 1 2 TROUBLESHOOTING 29 1 3 RESETTING THE ERROR INDICATION
9. IT SETTINGS 1 1 1 Launching the unit settings menu Path Main menu gt User gt Password entry 8808 gt Settings Press the lt gt and lt gt keys in order to select the individual settings in the settings menu Detailed information on the different settings are found in the following chapters sections 1 1 2 Select dialogue language Select Language in the settings menu then press the lt Set gt key In the following modification dialogue select the desired dialogue language After confirmation the unit automatically switches to the selected dialogue language Factory setting English Options French Spanish 10 10 Page 13 2008 12 03 1 1 3 Control Settings Select Controls in the settings menu then press the lt Set gt key The control settings appear The settings available depend on the selected signal source and the control type The opposite display shows the maximum number of settings available DESCRIPTION OF THE SETTINGS SignalSource Selecting the signal source Factory setting Analog Options Analog Modbus Hum Control Selecting the control type Factory setting External Options External external continuous controller 24VOn Off external On Off humidistat Int P Internal P controller Int PI Internal PI controller Controlsign Selecting the control signal NOTE This setting is available only if control type External Int P or Int PI is s
10. TC Reflow The washing can be deactivated for either the MHTC Flow or Reflow Note the forced cleaning draining serves to empty the water tub regularly and independent of the operation time of the Nortec MH Select Clean Trg 1 in the settings menu then press the lt Set gt key The current settings for the forced draining box cleaning appear The available settings depend on whether the interval controlled Periodic factory setting timer controlled Timer or external signal controlled Demand triggering of the forced draining box cleaning is selected Interval controlled draining box cleaning Periodic With Periodic Int you can determine in which time intervals the draining box cleaning is performed setting range 0 5 24 0h factory setting 2 0h Time controlled draining box cleaning Timer With the parameters time 1 to time 4 you can define up to four times of day to start the draining box cleaning factory setting no starting times defined Triggering the draining box cleaning via an external signal Demand In order to trigger the draining box cleaning via an external signal a potential free contact B4 must be connected to the control board of the control unit MH Closing the contact results in a draining box cleaning cycle Cleaning trigger 1 deactivated Off Note this option is only available visible for model MHTC Flow 10 10 Page 17 2008 12 03 1 1 8 Configuring the cleani
11. UCTIONS 2 1 2 SAFETY 2 2 OPERATING THE MH CONTROL UNIT 3 2 1 FUNCTION OF THE DISPLAY AND OPERATING ELEMENTS 3 2 2 SWITCHING THE CONTROL UNIT ON AND OFF 4 2 3 REMOTE OPERATING AND FAULT INDICATION 4 2 4 OVERVIEW AND OPERATING OF THE MENU 5 3 EXPLANATION OF CONFIGURATION SETTINGS 6 3 1 EXPLANATION OF THE STATUS INFORMATION 6 3 2 EXPLANATION OF UNIT INFORMATION 9 3 3 EXPLANATION OF ERROR HISTORY LIST 10 10 10 CONFIGURATION 1 CONF
12. ain valve opens and the water tub empties Note The different hygiene functions regular draining flushing of the supply line etc remain active also in times without humidification cooling demand the control unit should only be switched off for maintenance or troubleshooting or to disable completely operation as in seasonal shutdown 2 3 REMOTE OPERATING AND FAULT INDICATION If your control is equipped with a remote indication board accessory the following operating status are shown remotely Activated remote indication relay When Display on Unit H1 Error A fault is present further operation is not possible Red LED lights An error message is shown in the display H2 Service Maintenance or UV lamp option replacement is due The unit remains operational for a certain time Yellow LED lights The service warning message is shown in the display H3 Humidification Unit is humidifying Green LED lights H4 Unit on Unit ready for operation Unit switch lights 10 00 Page 5 2008 12 03 2 4 OVERVIEW AND OPERATING OF THE MENU The operating and display is operated via the four keys located just below the display The four status fields at the bottom of the display show the current function of the keys Keys Figure 2 Menu Overview 10 00 Page 6 2008 12 03 3 EXPLANATION OF CONFIGURATION SETTINGS 3 1 EXPLANATION OF THE STATUS INFORMATION INDICATION STATUS In normal op
13. e clean if necessary Replace inlet valve Drain valve open blocked in open position or not electrically connected Drain valve is open unless powered Check replace drain valve connect drain valve Leakage in the water drain system Check seal water drain system 10 30 Page 31 2008 12 03 When draining the water tub float is not open within 8 minutes When draining the water tub the float is not open within 4 hours Red flashes Red lights Drain valve blocked defective or clogged Check clean or replace drain valve Siphon clogged Clean siphon Relay defective weld shut Replace control board Level sensor stucked or short circuited Clean Replace level sensor Backpressure in the siphon Install special siphon Conductivity of the water in the tub too high Conductivity of the water in the tub too high Red flashes Red lights Conductivity after draining restart or cleaning cycle during 10 minutes higher than the set nominal value Increase the nominal value or enhance water quality Conductivity sensor defective Replace conductivity sensor Conductivity transmitter defective Replace conductivity transmitter 10 30 Page 32 2008 12 03 Warning Error Cause Remedy LED Display LED Display Maintenance due Maintenance not performed and or maintenance indication not reset Red flashes and yellow lights red and y
14. e sensor cable Conductivity transmitter defective or wrong version conductivity constant Replace conductivity transmitter Conductivity transmitter not configured correctly Contact your Nortec supplier Conductivity sensor defective Replace conductivity sensor Nortec SH2 deactivated via Modbus Modbus system failed Red flashes Red lights Nortec MH deactivated via Modbus None or activate Nortec MH via Modbus Modbus system failed Check activate Modbus system Timeout Modbus Red flashes Red lights Timeout No activity from Modbus Activate Modbus system Cleaning of humidification boxes in progress Cleaning of humidification boxes in progress None wait Draining of water tub in progress Draining of water tub in progress None wait 10 30 Page 34 2008 12 03 Water pressure too low flow only Water pressure for more than 4 hours too low flow only Red flashes Red Lights Water supply blocked shut off valve closed water pressure too low Water treatment unit fully demineralised water is regenerating Check water supply filter pipes etc Check open shut off valve Check water pressure Inlet valve blocked or defective Check strainer in the inlet valve clean if necessary Replace inlet valve Flushing valve leaking Replace flushing valve 1 3 RESETTIN
15. elected Factory setting 0 10V Options 0 5V 1 5V 0 10V 2 10V 0 16V 3 2 16V 0 20mA 4 20mA Hum Setpoint Setting the nominal humidity value inn rh NOTE This setting is available only if the internal P or PI controller is activated Factory setting 50 rH Setting range 20 99 rH P Band Setting the proportional range inn for the internal P PI conntroller NOTE This setting is available only if the internal P or PI controller is activated Factory setting 18 Setting range 1 100 Integr Time Setting the integral time in minutes for the internal PI controller NOTE This setting is available only if the internal P or PI controller is activated Factory setting 18 Minutes Setting range 1 60 Minutes 10 10 Page 14 2008 12 03 1 1 4 Setting the capacity limitation Select Power Limit in the settings menu then press the lt Set gt key In the upcoming modification dialogue set the desired capacity limitation in of the maximum capacity of the humidifier Factory setting 100 Setting range 30 100 1 1 5 Configuring the supply pipe flushing Select Inlet Flush in the settings menu then press the lt Set gt key Used to configure the unit to flush supply lines even if there is no demand signal You can enable disable inlet flush set length of flush set time between flushes DESCRIPTION OF THE SETTINGS Inlet Flush Enable or disable the supply p
16. ellow lights Maintenance due Perform maintenance according to section 10 40 of the installation and operating instructions for the Nortec MH Then reset the maintenance indication Maintenance not performed and or maintenance indication not reset within 168 h 1 week Perform maintenance according to section 10 40 of the installation and operating instructions for the Nortec MH Then reset the maintenance indication Maximum lifespan of the UV lamp reached Maximum lifespan of the UV lamp reached red flashes and yellow lights red and yellow light Maximum lifespan of the UV lamp reached Replace UV lamp and clean glass tube UV lamp not replaced or hours counter of the UV lamp not reset after replacement of the UV lamp Unit switches off after 168 hours Replace UV lamp and clean glass tube see 1 4 2 in section 10 40 then reset hours counter of the UV lamp Wrong UV lamp installed Install correct UV lamp No signal from humidity sensor No signal from humidity sensor Red flashes Red lights Sensor cable not connected or sensor cable interrupted Connect replace sensor cable Humidity sensor defective Replace humidity sensor 10 30 Page 33 2008 12 03 No signal from conductivity sensor No signal from conductivity sensor Red flashes Red lights Sensor cable not connected or sensor cable interrupted Connect replac
17. eration mode the control unit is in the status level The status level forms a loop that includes several pages holding operating information which can be accessed with the arrow keys The various displays of the status level are shown below Standard operating display The appearance of the standard operating display depends on the actual operating status and the configuration of the Nortec MH Standard operating display with external control via the external controller Standby no humidity demand or Demand humidity demand present Standard operating display with internal control Actual humidity in rh Configured humidity setpoint in rh Info Page Settings Software version Selected control signal source Configured control signal range Configured Modbus address of the unit Info Page Performance data Configure power limitation in of the maximum output Actual output unit A in kg h Actual total output in kg h the same as Capacity A unless a second module is connected to control unit Info Page Operating hours Total operating hours of the Nortec MH Remaining operating hours to the next maintenance 10 00 Page 7 2008 12 03 Info Page Clean Trg 1 This page shows the current settings for the time based and externally activated forced draining box cleaning MHTC Reflow or the box cleaning MHTC Flow respectively Note Wash draining with simultaneous box cleaning MHTC Re
18. flow or box cleaning only MHTC Flow Drain draining only Time controlled draining box cleaning Timer Actual time of day Point in time of the next draining cleaning cycle Configured cleaning mode Interval controlled draining box cleaning Periodic Configured interval time in hours Remaining time in hours up to the next draining cleaning cycle Configured cleaning mode Externally controlled draining box cleaning Demand Actual status of the draining cleaning demand Configured cleaning mode Clean Trg 1 deactivated can appear only with module MHTC Flow Info Page Clean Trg 2 Note This page is not shown with model MHTC Flow Fill cycle controlled draining Cycle Number of fill cycles between cleaning draining cycles Remaining fill cycles up to the next draining Cleaning mode Wash Draining with simultaneous box cleaning or box cleaning only Drain draining only Conductivity controlled draining cleaning Sensor gt Option Set conductivity limit value inn S cm Actual conductivity value of the water in the tub in S cm Configured cleaning mode Operation dependent draining deactivated Off 10 00 Page 8 2008 12 03 Info Page Box drying This page shows the settings for box drying Time controlled box drying Timer Actual time of day Point in time of the next drying cycle Inte
19. he display and the yellow LED lights up If the maintenance is not performed and the maintenance indication is not reset within a certain time 168 h an error message is triggered Factory setting 800 h Setting range 100 50000 h Note to determine the maintenance interval time please refer to 1 3 in section 10 40 of the installation and operating instructions for the Nortec MH 1 1 11 Activating deactivating the softstart function If the mats in the humidifier boxes became dry due to a operation interruption they need a certain time until they are again moistened with water In order to prevent too much water flows over the humidification boxes in this phase and water droplets are carried in the air flow the amount of water can be reduced for a fixed time with the Softstart function Select Softstart in the settings menu then press the lt Set gt key In the modification dialogue you can activate or deactivate the softstart function Factory setting Off Options Off Softstart function deactivated On Softstart function activated 10 10 Page 20 2008 12 03 1 1 12 Performing remote relay tests With the test functions under Remote Test you can check the function of the relays Humidification Service Error and Unit on Select Remote Test in the settings menu then press the lt Set gt key Press the lt gt and lt gt keys in order to select the relay you want to te
20. idification boxes helps prevent germs and bacteria from developing in the humidification boxes The drying process can be time triggered or interval controlled or it can be deactivated Note During operation the drying process of the humidification boxes can lead to a temporary humidity decrease Select Box Drying in the settings menu then press the lt Set gt key The current settings for the box drying function appear The settings available depend on whether the box drying function is deactivated Off factory setting or whether the time controlled Timer or the interval controlled Periodic triggering of the drying function is selected Drying function deactivated Off gt factory setting Time controlled drying Timer With the parameters time 1 to time 4 you can define up to four times of day to start a box drying process factory setting no starting times defined Interval controlled drying Periodic With the parameter Periodic Int you can determine inn which time intervals a box drying process is performed setting range 0 5 24 0h factory setting 12 0h 10 10 Page 19 2008 12 03 1 1 10 Configuring the Humidifier Maintenance Interval Select Maintenance in the settings menu then press the lt Set gt key In the following dialogue set the desired maintenance interval time in hours After the maintenance interval time has elapsed a maintenance message appears in t
21. ipe flushing Factory setting On Options On enable Off disable Drain Time Setting the flushing time in seconds Factory setting 60s Setting range 5 600s Periodic Int Setting the time without demand after which the supply pipe should be flushed Factory setting 12 0 h Setting range 0 5 24 0 h 10 10 Page 15 2008 12 03 1 1 6 Setting the Cleaning Mode MHTC Reflow only NOTE The cleaning mode may only be set with the MHTC Reflow With the cleaning mode you determine whether the humidification boxes will be washed simultaneously during a draining or operation dependent draining cleaning cycle This option does not appear for other models Select Clean Mode in the settings menu then press the lt Set gt key In the upcoming modification dialogue select the desired cleaning draining mode Factory setting Drain Options Drain draining only Wash Draining w box cleaning NOTE During operation the washing process of the humidification boxes can lead to a temporary humidity increase 10 10 Page 16 2008 12 03 1 1 7 Configuring the cleaning trigger 1 Clean Trg 1 With the cleaning trigger 1 settings you determine whether the forced draining cleaning MHTC Reflow or the box cleaning MHTC Flow is time or interval controlled or triggered via an external signal The forced draining can be deactivated however the box cleaning can be deactivated The forced draining cannot be deactivated for the MH
22. ng trigger 2 Clean Trg 2 MHTC Reflow only Note The cleaning trigger 2 to configure operation dependent draining appears only with the MHTC Reflow With the cleaning trigger 2 settings you determine whether operation dependent draining is triggered depending on the fill cycles or on the conductivity of the water in the water tub option or whether the cleaning trigger 2 should be deactivated Select Clean Trg 2 in the settings menu then press the lt Set gt key The current settings for the operation dependent draining appear The settings available depend on whether the operation dependent draining is deactivated Off factory setting or the fill cycle Cycle or the conductivity controlled Sensor triggering of the operation dependent draining is selected Operation dependent draining deactivated Off Fill cycle controlled draining Cycle With the parameter Cycle you can determine after how many filling cycles a drain is performed setting range 10 10000 factory setting 100 Conductivity controlled draining Sensor Requires optional components With the parameter S Limit you can set a conductivity limit value If during operation the conductivity value of the water in the tub reaches the set limit a draining is performed setting range 10 5 000 S factory setting 1000 S 10 10 Page 18 2008 12 03 1 1 9 Configuring the humidification box drying An occasional drying of the hum
23. rating status of the step valve 2 Stage 3 Valve Actual operating status of the step valve 3 Pressure Sensor MHTC Flow only Actual operating status of the minimum pressure switch Max Level Sensor MHTC Reflow only Actual operating status of the minimum level sensor Thermal Contact MHTC Reflow only Actual operating status of the thermal contact pump motor protection Extension Present Indication whether or not a unit extension is present Wash Demand Actual status of the external demand triggering a wash cycle Press the lt Esc gt key several times to quit the information list and to return to the standard operating display 10 00 Page 10 2008 12 03 3 3 EXPLANATION OF ERROR HISTORY LIST The last 10 faults that occurred during operation are saved in the error history list and can be reviewed Path Main menu gt Info gt Error History The last error that occurred is shown with Current Error being viewed Total number of errors recorded date and time of occurrence error code Warning W Error E error message additional info text regarding the error Press lt gt and lt gt keys in order to select further error messages in the list Press the lt Esc gt key several times to quit the error history list and to return to the standard operating display 10 10 Page 11 2008 12 03 10 10 CONFIGURATION 10 10 Page 12 2008 12 03 1 CONFIGURATION 1 1 UN
24. rval controlled box drying Periodic Configured interval time in hours Remaining time in hours up to the next drying cycle Info Page Supply line flushing function water quantity reduction function Indicates if the supply line flushing function Indicates if the Softstart water conservation function is enabled Info Page UV Module option Indicates if the UV water treatment option is enabled Note UV treatment requires optional components be installed 10 00 Page 9 2008 12 03 3 2 EXPLANATION OF UNIT INFORMATION Path Main menu gt Info gt Unit Status Press lt gt and lt gt keys in order to select the unit information available in the list System Operation Hour Total operating hours of the control unit unit on since the initial commissioning of the unit Relay Humidity Actual status of the remote indication relay Humidify Relay Service Actual status of the remote indication relay Service Relay Error Actual status of the remote indication relay Error Relay Unit On Actual status of the remote indication relay Unit on Drain Valve Actual operating status of the drain valve Inlet Valve Actual operating status of the inlet valve Pump Actual operating status of the circulation pump UV Lamp Actual operating status of the UV lamp Stage 1 Valve Actual operating status of the step valve 1 Stage 2 Valve Actual ope
25. sage is triggered Error message additionally to the error message the red LED is on Further operation is not possible The malfunction is stored in the error list By pressing the lt Info gt key additional information are displayed for each warning or error message By pressing the lt Esc gt key the control unit returns to the standard operating display 10 30 Page 29 2008 12 03 1 2 TROUBLESHOOTING 1 2 1 System Faults Warning Error Cause Remedy LED Display LED Display MH Card missing Test run possible MH Card Missing Red flashes Red lights No MH Card installed on the control board Install MH Card or start test run MH Card is Empty Red lights No data stored on the MH Card Install new MH Card MH Card is defective Red lights Invalid data stored on the MH Card Install new MH Card MH Card is incompatible Red lights The MH Card is not compatible with the hardware or the basic settings on the control board Install new MH Card Modify basic settings Unit Module B missing Red lights No response from module B Flat ribbon cable interrupted or disconnected 120V supply cable disconnected Plug in flat ribbon cable plug in 120V supply cable Wrong parameter settings Red lights Data of CPU and MH Card do not match Install correct MH Card Contact your Nortec supplier Hardware Fault flash
26. st and press the lt Set gt key to activate deactivate the corresponding relay for testing 1 1 13 Setting the date Select Date in the settings menu then press the lt Set gt key In the following dialogue set the actual date format tt mm jj 1 1 14 Setting the time Select Time in the settings menu then press the lt Set gt key In the following dialogue set the actual time format hh mm 1 1 15 Setting the display contrast Select Contrast in the settings menu then press the lt Set gt key In the following dialogue set the desired value for the display contrast Factory setting 20 Setting range 0 no display 100 display turns black 10 10 Page 21 2008 12 03 1 2 Modbus Settings Select the Modbuus menu Path Main menu gt User gt Password entry 8808 gt Modbus The settings for the Modbuus appear Description of Modbus Settings Modbus Add Setting the modbus address of the Nortec MH Factory setting 1 Setting range 1 247 Parity Selecting the parity bit for the data transmission Factory setting None Options None1 None2 Odd Even Timeout Setting the time out time for the data transmission Factory setting 5 Seconds Setting range 1 600 Seconds 10 10 Page 22 2008 12 03 THIS PAGE INTENTIONALLY LEFT BLANK 10 20 Page 23 2008 12 03 10 20 OPERATIONAL FUNCTIONS 10 20 Page 24 2008 12 03 1 OPEARTIONAL FUNCTIONS 1 1 C
27. then said liability shall be limited to the original purchase price for the product Any further warranty must be in writing signed by an officer of THE COMPANY 4 THE COMPANY s limited warranty on accessories not of the companies manufacture such as controls humidistats pumps etc is limited to the warranty of the original equipment manufacturer from date of original shipment of humidifier 5 THE COMPANY makes no warranty and assumes no liability unless the equipment is installed in strict accordance with a copy of the catalog and installation manual in effect at the date of purchase and by a contractor approved by THE COMPANY to install such equipment 6 THE COMPANY makes no warranty and assumes no liability whatsoever for consequential damage or damage resulting directly from misapplication incorrect sizing or lack of proper maintenance of the equipment 7 THE COMPANY retains the right to change the design specification and performance criteria of its products without notice or obligation U S A Walter Meier Climate USA Inc 826 Proctor Avenue Ogdensburg NY 13669 TEL 1 866 NORTEC 1 EMAIL northamerica climate waltermeier com WEBSITE www humidity com CANADA Walter Meier Climate Canada Ltd 2740 Fenton Road Ottawa ON K1T 3T7 TEL 1 866 NORTEC 1 FAX 613 822 7964 Authorized Agent
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