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Elsteam EHPN Series Operating And Maintenance Manual

High-pressure air humidifiers
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EHPN Series
High-pressure air humidifiers
Operating and maintenance manual
924EHPNE4.01 - 02/2024
WARNING
Make sure you read and fully
understand the manual before
using this device.
Non-observance of these
instructions may result in death
or serious injury.

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Summary of Contents for Elsteam EHPN Series

  • Page 1 EHPN Series High-pressure air humidifiers WARNING Make sure you read and fully understand the manual before using this device. Non-observance of these instructions may result in death Operating and maintenance manual or serious injury. 924EHPNE4.01 - 02/2024...

  • Page 2: Table Of Contents

    4.2.1 Installation instructions ...........................24 4.2.2 Minimum installation distances .......................25 4.3 Installing the distribution rack ......................26 4.3.1 Installation instructions ...........................26 4.3.2 Installation position ...........................27 4.3.3 Minimum installation dimensions ......................28 4.3.4 Branch slope ...............................29 924EHPNE4.01 - EHPN series humidifiers | 2 | Contents | 02/2024...
  • Page 3 7.2.2 Menu ................................56 7.2.3 User Menu ..............................57 7.2.4 Changing the humidity setpoint (main humidity sensor) ...............57 7.2.5 Maintenance menu ............................58 7.2.6 Displaying/resetting the operating hours .....................60 7.2.7 Output functional test..........................61 924EHPNE4.01 - EHPN series humidifiers | 3 | Contents | 02/2024...
  • Page 4 12.1 Introduction ............................92 12.2 Modbus message structure ......................92 12.3 Modbus functions and registers ......................92 12.3.1 Available Modbus commands and data areas ..................93 12.4 Address configuration ........................93 12.5 Connections ............................93 924EHPNE4.01 - EHPN series humidifiers | 4 | Contents | 02/2024...
  • Page 5 15.2 Distribution rack ..........................120 16. WIRING DIAGRAMS ........................121 16.1 Wiring diagram for EHPN 3-branch humidifier ................122 16.2 Wiring diagram for EHPN 7-branch humidifier ................123 16.3 Wiring diagram for EHPN single-branch humidifier ..............124 924EHPNE4.01 - EHPN series humidifiers | 5 | Contents | 02/2024...

  • Page 6: Important Information

    IMPORTANT INFORMATION Liability and residual risks ELSTEAM assumes no liability for any damage caused by the following (by way of example; this is not an exhaustive list): •  I nstallation/useforpurposesotherthanthosespecifiedand,inparticular,notadheringtothesafetyprovisionsset out by current regulations in the country in which the product is installed and/or contained in this manual;...

  • Page 7: Important Safety Information

    Only suitably trained and experienced personnel capable of understanding the content of this manual and all documentation regardingtheproductareauthorisedtoworkonandwiththisequipment.Furthermore,thepersonnelmusthavecompleted coursesinsafetyandmustbeabletorecogniseandpreventtheimplieddangers.Thepersonnelmusthavesuitabletraining, knowledgeandexperienceatatechnicallevel,andbecapableofanticipatinganddetectingpotentialriskscausedbyusing theproduct,aswellaschangingthesettingsandmodifyingthemechanical,electricandelectronicequipmentfortheentire systeminwhichtheproductisused.Allpersonnelworkingonandwiththeproductmustbeentirelyfamiliarwiththerelevant standardsanddirectives,aswellassafetyregulations. UNAUTHORIZED PERSONNEL The humidifier must notbeusedbypersons(includingchildren)withreducedphysical,sensoryormentalcapabilitiesor personswithnoexperienceorknowledge. 924EHPNE4.01 - EHPN series humidifiers | 7 | Important safety information | 02/2024...

  • Page 8: Safety Information Relating To The Product

    SAFETY INFORMATION RELATING TO THE PRODUCT EHPN series humidifiers are defined as "NOT ACCESSIBLE TO THE PUBLIC". Beforecarryingoutanyworkontheequipment,readtheseinstructionscarefully,makingsureyouunderstandeverything. DANGER RISK OF ELECTRIC SHOCK, EXPLOSION OR ELECTRIC ARC • Only use electrically insulated measuring devices and equipment. • Do not install the equipment while the power supply is connected.

  • Page 9: Safety Information Related To Health And Hygiene

    • Intheeventofpoormaintenance/cleaningafterthehumidifierhasbeenshut-downforalongtime,microorganisms (including the bacteria that cause Legionellosis) may proliferate and be transferred into the air treatment system. • Thehumidifiermustbeusedproperlyandbemaintainedandcleanedproperlyatprescribedintervals,asdescribedinthe MAINTENANCE chapter. 924EHPNE4.01 - EHPN series humidifiers | 9 | Safety information related to health and hygiene | 02/2024...

  • Page 10: Introduction

    Chapter content This chapter contains the following information: Subject Page 1.1 Description......................11 1.2 Product overview ....................11 1.3 Main features .......................12 1.4 Applications ......................13 1.5 Available models ....................13 1.6 Accessories ......................14 924EHPNE4.01 - EHPN series humidifiers | 10 | Introduction | 02/2024...

  • Page 11: Description

    The EHPN series adiabatic humidification system regulates its operation according to the humidity request from the control systems (see "6.6 CONFIGURATIONS" ON PAGE 49). The droplet separator (optional only installed in the AHU) is used to stop and water droplets that were not atomised before entering the duct.

  • Page 12: Distribution Rack

    • Stainless steel pumping system; • EVCO control with EPcolor interface on the pump unit and EVCO control with EV3interfaceonthedistributionrack; • Pump control with real-time display of operating parameters. 924EHPNE4.01 - EHPN series humidifiers | 12 | Introduction | 02/2024...

  • Page 13: Electronic Control Features

    • Automatic malfunction analysis; • Clear,advanceddiagnostics; • Can be connected to supervision systems via Modbus. 1.4 Applications The EHPN series can be used in various applications including: • Air treatment plants; • Hospital environments where sterile steam is not required; • Industries;...

  • Page 14: Accessories

    L=15m EHPNK13 Stainlesssteelunit/rackwaterinletpipe,L=2m Illustrations of some accessories are shown below. 1.6.1 Droplet separator The customer is responsible for installing a droplet separator. An optional ELSTEAM droplet separator is available for the EHPN humidifier. Fig. 3. Droplet separator NOTE: The droplet eliminator of the humidifying system EHPNwasnotintendedtobecleaned.Afterexceedingitslifetime,the droplet separator must have been replaced.

  • Page 15: Reverse Osmosis System (Example)

    The image is provided for illustrative purposes only and may differ from the product itself. Fig. 4. Reverse osmosis system (example) Inordertoensurecorrectsizingtomeetyourrequirements,youcancontactELSTEAM,whichwillworktogetherwitha partner to propose an appropriate water treatment system. 1.6.3 Antiscalant dosing kit Fig. 5. Antiscalant dosing kit 924EHPNE4.01 - EHPN series humidifiers | 15 | Introduction | 02/2024...

  • Page 16: Uv Lamp

    1.6.4 UV lamp Fig. 6. UV lamp 1.6.5 Telescopic support for EHPN rack distribution branches Fig. 7. Telescopic support for EHPN rack distribution branches 924EHPNE4.01 - EHPN series humidifiers | 16 | Introduction | 02/2024...

  • Page 17: Technical Data

    2. TECHNICAL DATA Chapter content This chapter contains the following information: Subject Page 2.1 Technical specifications ..................18 924EHPNE4.01 - EHPN series humidifiers | 17 | Technical data | 02/2024...

  • Page 18: Technical Specifications

    °C(°F),% -20...70(-4...185),5...95%non-condensing conditions: Regulation ON/OFF Control type/command Proportional signal: Probe RS-485 MODBUS Supervision/Configuration: SupervisionWi-Fi Compliance Yes,withself-certification VDI6022-1: See certificate NOTE: Contact the ELSTEAM sales office for further information. 924EHPNE4.01 - EHPN series humidifiers | 18 | Technical data | 02/2024...

  • Page 19: Receiving The Product

    3. RECEIVING THE PRODUCT Chapter content This chapter contains the following information: Subject Page 3.1 Before you start ....................20 3.2 Checking the packaging ..................20 924EHPNE4.01 - EHPN series humidifiers | 19 | Receiving the product | 02/2024...

  • Page 20: Before You Start

    • Pump user manual; • Yellow oil cap on the pump (vented) to be used for operation; replace with the red one for transport only. • Hexagonalkeytoopenthepumpunit. 924EHPNE4.01 - EHPN series humidifiers | 20 | Receiving the product | 02/2024...

  • Page 21: Dimensions And Mechanical Assembly

    4. DIMENSIONS AND MECHANICAL ASSEMBLY Chapter content This chapter contains the following information: Subject Page 4.1 Dimensions ......................22 4.2 Installing the pump unit ..................24 4.3 Installing the distribution rack ................26 924EHPNE4.01 - EHPN series humidifiers | 21 | Dimensions and Mechanical assembly | 02/2024...

  • Page 22: Dimensions

    4.1 Dimensions 4.1.1 Pump unit 335 (13.19) 515 (20.27) 26,6 (10.47) Fig. 8. Pump unit dimensions 924EHPNE4.01 - EHPN series humidifiers | 22 | Dimensions and Mechanical assembly | 02/2024...

  • Page 23: Distribution Rack

    1003 720.5 161.5 Rack 1000 (3.29) (2.36) (1.11) (1.47) (0.52) 1203 920.5 141.5 Rack 1200 (3.95) (3.02) (1.51) (1.80) (0.46) NOTE:Otherconfigurationsareavailableonrequest,dependingonthenumberofbranchestobemanaged(uptoamaximumof7). Contact the Elsteam sales office. 924EHPNE4.01 - EHPN series humidifiers | 23 | Dimensions and Mechanical assembly | 02/2024...

  • Page 24: Installing The Pump Unit

    RISK OF ELECTRIC SHOCK, EXPLOSION OR ELECTRIC ARC • Protect the humidifier properly from water and dust. • Installthehumidifierinacoveredbox,observingtheminimuminstallationdistances. • Makesurethehumidifierisprotectedproperlyfromwateranddust. Installation example Fig. 10. Installing the pump unit 924EHPNE4.01 - EHPN series humidifiers | 24 | Dimensions and Mechanical assembly | 02/2024...

  • Page 25: Minimum Installation Distances

    4.2.2 Minimum installation distances mm (in.) Fig. 11. Minimum installation distances 924EHPNE4.01 - EHPN series humidifiers | 25 | Dimensions and Mechanical assembly | 02/2024...

  • Page 26: Installing The Distribution Rack

    0016020016 Telescopic support for EHPNrackdistributionbranches to prevent unexpected operation and/or mechanical faults and to give the branches a slope of 0.2...1° so that they drain fully. 924EHPNE4.01 - EHPN series humidifiers | 26 | Dimensions and Mechanical assembly | 02/2024...

  • Page 27: Installation Position

    4.3.2 Installation position Cooling coil Droplet separator Fig. 13. Installation position 924EHPNE4.01 - EHPN series humidifiers | 27 | Dimensions and Mechanical assembly | 02/2024...

  • Page 28: Minimum Installation Dimensions

    4.3.3 Minimum installation dimensions mm (ft.) Fig. 14. Minimum installation distances Withdistancesbelowthosespecified,themoistureabsorptionefficiencyoftheairislower,resultinginincreased condensation and drainage from the droplet separator. 924EHPNE4.01 - EHPN series humidifiers | 28 | Dimensions and Mechanical assembly | 02/2024...

  • Page 29: Branch Slope

    • Thehumidifiermustbeusedproperlyandbemaintainedandcleanedproperlyatprescribedintervals,asdescribedinthe MAINTENANCE chapter. Fig. 15. Distribution rack branch slope 924EHPNE4.01 - EHPN series humidifiers | 29 | Dimensions and Mechanical assembly | 02/2024...

  • Page 30: Installing The Plumbing

    5.2 Plumbing composition of the distribution rack..........32 5.3 Installing the plumbing ..................33 5.4 Water drainage system ..................34 5.5 Distribution in the AHU ..................35 5.6 Distribution in the room ..................36 924EHPNE4.01 - EHPN series humidifiers | 30 | Installing the plumbing | 02/2024...

  • Page 31: Plumbing Composition Of The Pump Unit

    Fig. 16. Plumbing overview Reference Description Reference Description 3/8"Gwateroutlettothedistributionrack Safety valve 3/4" G water inlet Bypass valve hose Pressure transducer Yellowoilcapwithdipstick NTC pump temperature probe Inspectionholeforvisualoillevelcheck Maximum pressure switch 924EHPNE4.01 - EHPN series humidifiers | 31 | Installing the plumbing | 02/2024...

  • Page 32: Plumbing Composition Of The Distribution Rack

    5.2 Plumbing composition of the distribution rack Fig. 17. Plumbing overview Reference Description Reference Description LED user interface 3/8" G water inlet from the pump unit Distribution branches 1/8" G water drain outlet 924EHPNE4.01 - EHPN series humidifiers | 32 | Installing the plumbing | 02/2024...

  • Page 33: Installing The Plumbing

    2x production capacity (l/min) Optimal properties Description Features Water pressure 0.1...0.3 MPa Water temperature 5...20°C(41..68°F) Electrical conductivity 0...25μS/cm(atatemperatureof20°C(68°F)) Total hardness 0...2 °f Minimum supply flow rate 2x production capacity (l/min) 924EHPNE4.01 - EHPN series humidifiers | 33 | Installing the plumbing | 02/2024...

  • Page 34: Water Drainage System

    Neither ELSTEAM nor any of its associates or subsidiaries shall be held responsible or liable for improper use of the information contained herein.

  • Page 35: Distribution In The Ahu

    • Install all equipment in compliance with the technical specifications indicated in the relevant documentation. Cooling coil Droplet separator Fig. 20. AHU installation position NOTE:inambienttemperatureconditionswhichmayleadtotheformationofice,itiswisetotakeallnecessaryprecautionsto prevent the supply water and the drain water from freezing and causing the humidifier to malfunction. 924EHPNE4.01 - EHPN series humidifiers | 35 | Installing the plumbing | 02/2024...

  • Page 36: Distribution In The Room

    Throttling solenoid valve (NC) Antiscalant Outlet solenoid valve (NO) Pump unit Distribution system Always position the outlet solenoid valve (NO) after the throttlingsolenoidvalve(NC),atthelowestpointinthedistributionline inordertopreventwaterstagnation.Whenthesystemstopsrunning,theoutletsolenoidvalve(NO)mustalwaysensurethat the distribution line is drained fully. 924EHPNE4.01 - EHPN series humidifiers | 36 | Installing the plumbing | 02/2024...

  • Page 37: Example

    5.6.2 Example Fig. 22. Mist distribution in the room 924EHPNE4.01 - EHPN series humidifiers | 37 | Installing the plumbing | 02/2024...

  • Page 38: Electrical Connections

    6.3 Electrical composition of the distribution rack ..........41 6.4 Connection best practice ..................42 6.5 Electrical connections ..................46 6.6 Configurations .....................49 6.7 Power supply and earth wiring connection ............52 924EHPNE4.01 - EHPN series humidifiers | 38 | Electrical connections | 02/2024...

  • Page 39: Before You Start

    • Checkallwiringconnections. WARNING MALFUNCTIONING OF THE EQUIPMENT • Performthewiringcarefully,incompliancewithelectromagneticcompatibilityandsafetyrequirements. • Carry out a full start-up test. • Makesurethewiringiscorrectfortheendapplication. • Minimisethelengthoftheconnectionsasmuchaspossible,toavoidwindingthecablesaroundelectricallyconnected parts. • Beforeapplyingthepowersupply,checkallthewiringconnections. • Donotconnectcablestounusedterminalsand/orterminalsmarkedwiththetext“Noconnection”(N.C.). WARNING REGULATORY INCOMPATIBILITY Makesurealltheequipmentusedandsystemsdesignedconformtocurrentlocal,regionalandnationalstandards. 924EHPNE4.01 - EHPN series humidifiers | 39 | Electrical connections | 02/2024...

  • Page 40: Electrical Composition Of The Pump Unit

    Reference Description EVCO Compact series inverter Cable gland for power wiring Pump unit control board Fuseholderbase 230/24 Vac transformer 3 cable glands for signal wiring Earth terminal Userinterface,3.5"TFTgraphicdisplay 924EHPNE4.01 - EHPN series humidifiers | 40 | Electrical connections | 02/2024...

  • Page 41: Electrical Composition Of The Distribution Rack

    6.3 Electrical composition of the distribution rack Fig. 24. Distribution rack electrical overview Reference Description Reference Description Distributionrackcontrolboard Throttling solenoid valve (NC) (branch) Cable gland for power/signal wiring Rackoutletsolenoidvalve(NO) Rackinletsolenoidvalve(NC) LED user interface 924EHPNE4.01 - EHPN series humidifiers | 41 | Electrical connections | 02/2024...

  • Page 42: Connection Best Practice

    2 x 0.08…0.5 2 x 0.25…0.34 2 x 20...20 25…15 25…15 22...15 22...20 2 x 28…20 2 x 28…20 2 x 23…21 Fig. 27. Suitable wiring for I/O SELV 924EHPNE4.01 - EHPN series humidifiers | 42 | Electrical connections | 02/2024...

  • Page 43: Cable Glands And Cable Routing

    Power cable entry on cable gland (PGx depending on model) Signal wiring entry on cable gland PG9 Cable routing in the water section (for motor and stainless steel pump) 924EHPNE4.01 - EHPN series humidifiers | 43 | Electrical connections | 02/2024...

  • Page 44: Distribution Rack Cable Glands

    6.4.4 Distribution rack cable glands Fig. 29. Cable glands and cable routing Ref. Description Signal wiring entry on cable gland PG9 924EHPNE4.01 - EHPN series humidifiers | 44 | Electrical connections | 02/2024...

  • Page 45: Replacing Fuses - Fuse Box

    Rapid Rapid Rapid Rapid Rapid Size 10x38 10x38 10x38 10x38 10x38 10x38 10x38 10x38 10x38 Fig. 30. Overload protection devices according to model Fig. 31. Overload protection device 924EHPNE4.01 - EHPN series humidifiers | 45 | Electrical connections | 02/2024...

  • Page 46: Electrical Connections

    Termination resistor on BMS / CANBUS RS-485. Digital input S0: humidistat for single- 24-25 1 =BMS RS-485 serial termination branch or room versions (CFGp=0-1) 2 =CANBUS serial termination 924EHPNE4.01 - EHPN series humidifiers | 46 | Electrical connections | 02/2024...

  • Page 47: Distribution Rack Control Board

    22-23 No connection N.C. 1 =SCI1 RS-485 serial termination; 2=Reserved Termination resistor on BMS / CANBUS RS-485. 24-25 Digital input: humidistat (CFG=0-1)(S0) 1 =BMS RS-485 serial termination 2 =CANBUS serial termination 924EHPNE4.01 - EHPN series humidifiers | 47 | Electrical connections | 02/2024...

  • Page 48: Distribution Rack 7-Branch Expansion Board

    ON OFF LA1 + 2 70...73 ConnectiontomainrackcontrolboardSCI1 ON ON LA1 + 3 Activate termination resistor on SCI1 RS-485 serial line. 74...77 No connection N.C. 1 =SCI1RS-485serialtermination;2=Reserved 78-79 No connection N.C. 924EHPNE4.01 - EHPN series humidifiers | 48 | Electrical connections | 02/2024...

  • Page 49: Configurations

    21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 28 = GND 29 = V+ Parameter configuration P25=0 CFGp=HUM P7=E520 PUMP UNIT BOARD Fig. 37. EVHTP520 humidity sensor connection ( CFGp=HUM) 924EHPNE4.01 - EHPN series humidifiers | 49 | Electrical connections | 02/2024...

  • Page 50: Duct Distribution Mode (Single-Rack Or Multi-Rack)

    21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 P25≠0 CFG=PROP P2=0-10 P2=0-5 P2=0.20 RACK BOARD P2=4.20 Fig. 40. External proportional humidistat connection (CFG = PROP) 924EHPNE4.01 - EHPN series humidifiers | 50 | Electrical connections | 02/2024...
  • Page 51 30 = Sensor power supply P2=0-5 P2=0.20 P2=4.20 EHKX ONL P2=520 P7=0-10 RACK BOARD P7=0-5 P7=0.20 P7=4.20 P7=520 Fig. 43. Connection for humidity sensor and limit sensor (CFG = HUML) 924EHPNE4.01 - EHPN series humidifiers | 51 | Electrical connections | 02/2024...

  • Page 52: Power Supply And Earth Wiring Connection

    CFG=HUML EHKX ONL P2=0-5 P2=0-10 RACK BOARD P7=0-5 P7=0-10 Fig. 44. Humidity sensor connection 0...5 V 6.7 Power supply and earth wiring connection Fig. 45. Power supply connections 924EHPNE4.01 - EHPN series humidifiers | 52 | Electrical connections | 02/2024...

  • Page 53: Pump Unit User Interface

    7. PUMP UNIT USER INTERFACE Chapter content This chapter contains the following information: Subject Page 7.1 Interface .......................54 7.2 Menu ........................55 924EHPNE4.01 - EHPN series humidifiers | 53 | Pump unit user interface | 02/2024...

  • Page 54: Interface

    No warranty confirm to proceed S/cm S/cm DONE Fig. 47. First start-up - Setting the electrical conductivity Fig. 48. Setting the electrical conductivity > 100 μS 924EHPNE4.01 - EHPN series humidifiers | 54 | Pump unit user interface | 02/2024...

  • Page 55: Menu

    75 %RH 82.0 bar 62.0 °C 720 rpm 120 l/h Fig. 50. Home screen with humidity sensor alone Top line: Humidity measured by the room humidity sensor. 924EHPNE4.01 - EHPN series humidifiers | 55 | Pump unit user interface | 02/2024...

  • Page 56: Menu

    RESERVED. NOT ACCESSIBLE TO THE PUBLIC. MANUFACTURER Access to change the date/time Currently accessing alarm control ALARMS Access the alarm log HISTORY Reset parameters to factory settings SETTING 924EHPNE4.01 - EHPN series humidifiers | 56 | Pump unit user interface | 02/2024...

  • Page 57: User Menu

    Only with CFGp=HUM To change the humidity setpoint: access the user menu as described in the sub-paragraph "8.2.1 USER MENU" ON PAGE 68,and change the value of SP1. 924EHPNE4.01 - EHPN series humidifiers | 57 | Pump unit user interface | 02/2024...

  • Page 58: Maintenance Menu

    Displays the status of the CV digital input (fan enable) if it is connected. DICV OFF=CV input closed; On=CV input open. Displays the status of the 0/1digitalinput(remoteON/OFF)ifitisconnected. DIOF OFF=0/1 input closed; ON=0/1 input open. 924EHPNE4.01 - EHPN series humidifiers | 58 | Pump unit user interface | 02/2024...
  • Page 59 Displays the status of the disinfection solenoid valve output. DOEVd OFF=DisinfectionsolenoidvalveoutputOFF; ON=DisinfectionsolenoidvalveoutputON. Displays the status of the dehumidification enable output. DOdeh OFF=DehumidificationenableoutputOFF; ON=DehumidificationenableoutputON. Displays the status of the general alarm output. OFF=GeneralalarmoutputOFF; ON=GeneralalarmoutputON. 924EHPNE4.01 - EHPN series humidifiers | 59 | Pump unit user interface | 02/2024...

  • Page 60: Displaying/Resetting The Operating Hours

    Filters The hours of filter operation. The hours of inlet solenoid valve operation. The hours of pump oil operation. Resetting the operating hours Toresettheoperatinghours,tapthe RESET keybesidethecorrespondingvalue. 924EHPNE4.01 - EHPN series humidifiers | 60 | Pump unit user interface | 02/2024...

  • Page 61: Output Functional Test

    DOEV1: ---.- DOEVo: ---.- DOEVd: DICV: DODeh: DIOF: DOw: DIS0: DOa: COUNTERS MANUAL MANUAL DO1: DO2: DO3: DO4: DO5: DO6: Fig. 53. Displaying the operating hours 924EHPNE4.01 - EHPN series humidifiers | 61 | Pump unit user interface | 02/2024...
  • Page 62 Forcesthedisinfectionsolenoidvalveoutputon/offforsingle-branchorroomversions. OFF=Disinfectionsolenoid valve outputforcedOFF; ON=Disinfectionsolenoid valve output forced ON. Forcesthedehumidifier enable output on/off. OFF=Dehumidification enableoutputforcedOFF; ON=Dehumidification enable output forced ON. Forcestheindicatoroutputon/off. OFF=IndicatoroutputforcedOFF; ON=IndicatoroutputforcedON. Forcesthegeneralalarmoutputon/off. OFF=GeneralalarmoutputforcedOFF; ON=GeneralalarmoutputforcedON. 924EHPNE4.01 - EHPN series humidifiers | 62 | Pump unit user interface | 02/2024...

  • Page 63: Distribution Rack User Interface

    8. DISTRIBUTION RACK USER INTERFACE Chapter content This chapter contains the following information: Subject Page 8.1 Interface .......................64 8.2 Menu ........................67 924EHPNE4.01 - EHPN series humidifiers |63|Distributionrackuserinterface| 02/2024...

  • Page 64: Interface

    Go to the maintenance and reset operating hours menu • Navigate within the menu • Scroll up through the values Activate manual draining • Navigate within the menu • Confirmthevaluesonthedisplay Enter the main menu • Set/change the humidity setpoint 924EHPNE4.01 - EHPN series humidifiers |64|Distributionrackuserinterface| 02/2024...

  • Page 65: First Start-Up

    HOME screen with proportional regulation (CFG = PROP) Fig. 57. Home screen with proportional regulation (CFG = PROP) Top line: Actualhumidityrequestin%. NOTE: The CV and 0/1 contacts must be closed to produce humidity. 924EHPNE4.01 - EHPN series humidifiers |65|Distributionrackuserinterface| 02/2024...

  • Page 66: Changing The Main Sensor Humidity Setpoint

    NOTE: The CV and 0/1 contacts must be closed to produce humidity. 8.1.5 Changing the main sensor humidity setpoint With CFG=HUMorCFG=HUMLonly. To change the humidity setpoint: Touch and release Fig. 60. Changing the humidity setpoint 924EHPNE4.01 - EHPN series humidifiers |66|Distributionrackuserinterface| 02/2024...

  • Page 67: Menu

    Fig. 61. Distribution rack interface menu Menu Description Access the user menu Access the maintenance technician menu RESERVED. NOT ACCESSIBLE TO THE PUBLIC. Currently accessing alarm control Access the alarm log Reset parameters to factory settings 924EHPNE4.01 - EHPN series humidifiers |67|Distributionrackuserinterface| 02/2024...

  • Page 68: User Menu

    Sets the humidity limit setpoint`. Humidity limit setpoint See "11.2 REGULATION PARAMETER TABLE FOR THE DISTRIBUTION RACK" ON PAGE 89 Other See "11.2 REGULATION PARAMETER TABLE FOR THE DISTRIBUTION RACK" ON PAGE 89 parameters 924EHPNE4.01 - EHPN series humidifiers |68|Distributionrackuserinterface| 02/2024...

  • Page 69: Maintenance Menu

    ON=InletsolenoidvalveoutputON. Displays the status of the outlet solenoid valve output. Branch 3 solenoid oEUo OFF=OutletsolenoidvalveoutputOFF; valve output status ON=OutletsolenoidvalveoutputON. Displays the status of the general alarm output. General alarm output OFF=GeneralalarmoutputOFF; status ON=GeneralalarmoutputON. 924EHPNE4.01 - EHPN series humidifiers |69|Distributionrackuserinterface| 02/2024...

  • Page 70: Displaying/Resetting The Operating Hours

    Displays the number of branch 2 solenoid valve activations. activations EU3H Branch 3 SV. hours Displays the hours of branch 3 solenoid valve operation. No. branch 3 SV. EU3A Displays the number of branch 3 solenoid valve activations. activations 924EHPNE4.01 - EHPN series humidifiers |70|Distributionrackuserinterface| 02/2024...

  • Page 71: Output Functional Test

    The table below contains the labels shown on the display and their descriptions: Top line Bottom line Description Forcesthebranch1solenoidvalveoutputon/off. Branch 1 SV output SEU1 OFF=Branch1solenoidvalveoutputforcedOFF; status ON=Branch1solenoidvalveoutputforcedON. Forcesthebranch2solenoidvalveoutputon/off. Branch 2 SV output SEU2 OFF=Branch2solenoidvalveoutputforcedOFF; status ON=Branch2solenoidvalveoutputforcedON. 924EHPNE4.01 - EHPN series humidifiers |71|Distributionrackuserinterface| 02/2024...
  • Page 72 Forcesthebranch6solenoidvalveoutputon/off. Branch 6 SV output SEU6 OFF=Branch6solenoidvalveoutputforcedOFF; status ON=Branch6solenoidvalveoutputforcedON. Forcesthebranch7solenoidvalveoutputon/off. Branch 7 SV output SEU7 OFF=Branch7solenoidvalveoutputforcedOFF; status ON=Branch7solenoidvalveoutputforcedON. Forcesthedehumidifier enable output on/off. Dehumidification OFF=Dehumidification enableoutputforcedOFF; enable output status ON=Dehumidification enable output forced ON. 924EHPNE4.01 - EHPN series humidifiers |72|Distributionrackuserinterface| 02/2024...

  • Page 73: Power-Up And Start-Up

    9.1 Before you start ....................74 9.2 First start-up instructions ..................74 9.3 Instructions for seasonal or long-term shut-down ........76 9.4 Starting up after a seasonal or long-term shut-down ........76 924EHPNE4.01 - EHPN series humidifiers | 73 | Power-up and start-up | 02/2024...

  • Page 74: Before You Start

    • Makesureallprotectiveelements,suchascovers,hatchesandgrilles,arefittedand/orclosed. • Checkallwiringconnections. NOTICE MALFUNCTIONING OF THE EQUIPMENT • Makesurethewatermainsiscorrectlyconnected. • Makesurethewaterconnectionsaretightenedproperlyandeliminateanydrips. • MakesurethattheNOsolenoidvalvecancompletelydrainthedistributionnetworkorrack,otherwisetheusershallbe responsibleforanybacterialproliferationresultinginahealthrisk,andthemanufacturershallnotbeheldliable. • Makesurethatthewaterqualityandflowmeetsthetechnicalrequirementsspecifiedinthechapter"5.3 INSTALLING THE PLUMBING" ON PAGE 33. Makesurethehumidifierandalltheinstalledcomponentsareproperlyconnectedbeforestart-up,inaccordancewith regulations,criteriaandallapplicablelocal,regionalandnationalstandards. Atthefirststart-up,themachineisdisableduntiltheredcaphasbeenreplacedwiththeyellowcap,andtheinletwater conductivityhasbeenentered,afterwhichthehumidifierOFFscreenwillopenautomatically. 924EHPNE4.01 - EHPN series humidifiers | 74 | Power-up and start-up | 02/2024...

  • Page 75: Operating Instructions

    • Set the humidity setpoint SPto100%; NOTE:WiththeexceptionofsituationswherethesystemneedstobeinstalledbytheSupportCentre,whichwillcarryout the startup procedure. NOTE:ForVDI6022-1compliance,connectiontoventilationconsentismandatory.IncaseoflackofventilationintheAHU, the humidifier must be in the STOP state. NOTICE RISK OF ELECTRIC SHOCK, EXPLOSION OR FIRE Thefirstoilchangeshouldtakeplacebetween50...150hoursofoperation.Forsubsequentchanges,pleaserefertothe operating manual. 924EHPNE4.01 - EHPN series humidifiers | 75 | Power-up and start-up | 02/2024...

  • Page 76: Instructions For Seasonal Or Long-Term Shut-Down

    • Activatetheisolatorinstalledoutsidethehumidifierandopenthewatersupplysource; • PresstheON/OFFbuttonon the user interfacetostartthehumidifier; • RuntherackandAHUdisinfectioncycles; • Set the humidity setpoint SP to the value required for the application; •  T hehumidifierrunsadistributionrackwashingcycleinordertokeepthehumidifierinagoodoperatingcondition. • Thehumidifierstartstoproducinghumidityonrequest. 924EHPNE4.01 - EHPN series humidifiers | 76 | Power-up and start-up | 02/2024...

  • Page 77: Operation

    10.1 Operating principle ....................78 10.2 Humidity regulation ...................78 10.3 Rack management with initial VDI washing ...........82 10.4 Pump management (in the pump unit) .............84 10.5 Changing oil ......................84 10.6 Operating hours ....................84 924EHPNE4.01 - EHPN series humidifiers | 77 | Operation | 02/2024...

  • Page 78: Operating Principle

    The EHPNhigh-pressureadiabatichumidifierproducesmistbyconveyinghigh-pressurewater(80bar)inadistributionrack composedofnozzles.Microscopicholesinthenozzlesatomisethewaterintoafinemist,whichisabsorbedbytheairinthe duct. The EHPN series adiabatic humidification system regulates its operation according to the humidity request from the distributionrack(s).Whenthereisahumidityrequestfromthesensororexternalsignal(dependingontheconfiguration), eachrackopensoneormoresolenoidvalvessothatthenozzlesinstalledonthedistributionbranchesproducemist. The droplet separator (optional) is used to stop and water droplets that were not atomised before entering the duct.

  • Page 79: Operation With Distribution In The Duct | P25 ≠ 0

    The humidity production varies with the value read at analogue input S2,withthelogicexpressedinthegraphbelow,without exceeding parameter r6: 100% Line Description Production 10V= 100% Fig. 67. How proportional regulation works | CFG = PROP 924EHPNE4.01 - EHPN series humidifiers | 79 | Operation | 02/2024...
  • Page 80 The humidity production varies with the value read at analogue input S2,withthelogicexpressedinthegraphbelow,without exceeding parameter r6. 100% Line Description 100% Production Fig. 68. How regulation with the humidity sensor works | CFG = HUM 924EHPNE4.01 - EHPN series humidifiers | 80 | Operation | 02/2024...
  • Page 81 Humidity production behaves in the same way as for regulation with the humidity sensor (CFG=HUM),butthesecondsensor connected to analogue input S3stopssteamgeneration,dependingonthehumiditydelivery. The humidity limit activates when the humidity measured by sensor S3 exceeds SP2. 924EHPNE4.01 - EHPN series humidifiers | 81 | Operation | 02/2024...

  • Page 82: Rack Management With Initial Vdi Washing

    Reverse osmosis system Inlet solenoid valve Pump unit Outlet solenoid valve Fig. 70. Rack management diagram Zone 1 Zone 2 Zone 3 Fig. 71. Rack management example Afterwashing,theEHPNresumesworkingaccordingthezonehumidityrequests. 924EHPNE4.01 - EHPN series humidifiers | 82 | Operation | 02/2024...
  • Page 83 • Outlet solenoid valve closed • Control unit activation signal enabled Activations Request Fig. 72. Rack management diagram Iftwobranchesareconfigured,thefirstbranchisalwaysactivatedwitharequestabovetheminimumproductionr5,while the second branch is activated when the request exceeds (r5+((r5+r6)/2). Ifthereisonlyonebranch,thisisalwaysactivewithahumidityrequestabovetheminimumr5. 924EHPNE4.01 - EHPN series humidifiers | 83 | Operation | 02/2024...

  • Page 84: Pump Management (In The Pump Unit)

    M16 Maintenance hours warning threshold for the reverse osmosis system. hx10 100...10000 M17 Maintenance hours warning threshold for the filters. hx10 100...10000 M18 Number of activations warning for the solenoid valves. nx1000 100...10000 924EHPNE4.01 - EHPN series humidifiers | 84 | Operation | 02/2024...

  • Page 85: Hours Of Distribution Rack Operation

    M14 Maintenance hours warning threshold for the inlet solenoid valve. hx10 100...10000 M15 Maintenance hours warning threshold for the outlet solenoid valve. hx10 100...10000 M18 Number of activations warning for the solenoid valves. nx1000 100...10000 924EHPNE4.01 - EHPN series humidifiers | 85 | Operation | 02/2024...

  • Page 86: Configuration Parameters

    11. CONFIGURATION PARAMETERS Chapter content This chapter contains the following information: Subject Page 11.1 Regulation parameter table for the pump unit ..........87 11.2 Regulation parameter table for the distribution rack .........89 924EHPNE4.01 - EHPN series humidifiers |86|Configurationparameters| 02/2024...

  • Page 87: Regulation Parameter Table For The Pump Unit

    Standard pressure setpoint hysteresis (SP4). 0...10 Minimum value for setting humidity setpoint. 0...r2 Maximum value for setting humidity setpoint. r1...100 Humidity proportional band. 0...50 Range to reach outlet pressure. 10...90 MAINTENANCE/ALARMS group Lowpumptemperaturealarmthreshold.Thehysteresisisfixedat2°C/°F. °C/°F 0.0...30.0 924EHPNE4.01 - EHPN series humidifiers |87|Configurationparameters| 02/2024...
  • Page 88 Modbus transmission speed (baud rate). 0=2400; 1=4800; 0...4 2=9600; 3 =19200; 4=38400. Modbus parity bit. 0=None; 0...2 1=Odd; 2=Even. Modbus stop bit. 0=1stopbit;1=2stopbits. PASSWORD group PA1 Firstlevelpassword.0=Nopassword -99...999 PA2 Second level password. -99...999 924EHPNE4.01 - EHPN series humidifiers |88|Configurationparameters| 02/2024...

  • Page 89: Regulation Parameter Table For The Distribution Rack

    M14 Maintenance hours warning threshold for the inlet solenoid valve. hx10 100...2000 1000 M15 Maintenance hours warning threshold for the outlet solenoid valve. hx10 100...2000 1000 M18 Number of activations warning for the solenoid valves. nx1000 100...10000 2000 924EHPNE4.01 - EHPN series humidifiers |89|Configurationparameters| 02/2024...
  • Page 90 Modbus transmission speed (baud rate). 0=2400; 1=4800; 0...4 2=9600; 3 =19200; 4=38400. Modbus parity bit. 0=None; 0...2 1=Odd; 2=Even. Modbus stop bit. 0=1stopbit;1=2stopbits. PASSWORD group PA1 Firstlevelpassword.0=Nopassword -99...999 PA2 Second level password. -99...999 924EHPNE4.01 - EHPN series humidifiers |90|Configurationparameters| 02/2024...

  • Page 91: Modbus Rtu Functions And Resources

    12.3 Modbus functions and registers ..............92 12.4 Address configuration ..................93 12.5 Connections ......................93 12.6 Modbus table content ..................93 12.7 Pump unit ......................94 12.8 Distribution rack ....................101 924EHPNE4.01 - EHPN series humidifiers | 91 | Modbus RTU functions and resources | 02/2024...

  • Page 92: Introduction

    12.3 Modbus functions and registers TheModbusregistersforthedeviceareorganisedaroundthefourtypesofbasicdatareferenceindicatedabove,andthis type of data is further identified by the first number of the address. 924EHPNE4.01 - EHPN series humidifiers | 92 | Modbus RTU functions and resources | 02/2024...

  • Page 93: Available Modbus Commands And Data Areas

    In the other cases the value is always positive or zero. • DATA SIZE: Indicates the size in data bits: • DWORD =32bit • DOUBLE =32bit • WORD=16bit • Byte=8bit • The “n”bits=0...15bitdependingonthevalueof“n” 924EHPNE4.01 - EHPN series humidifiers | 93 | Modbus RTU functions and resources | 02/2024...

  • Page 94: Pump Unit

    High pump temperature alarm threshold. 2036 SHORT °C/°F 40.0...80.0 Thehysteresisisfixedat2°C/°F. Low outlet pressure alarm threshold. 2037 BYTES 30...90 Low outlet pressure alarm delay. 2038 BYTES 1...10 924EHPNE4.01 - EHPN series humidifiers | 94 | Modbus RTU functions and resources | 02/2024...
  • Page 95 BYTES 0...2 1=Odd; 2=Even. Modbus stop bit. 2059 1 BIT 0=1stopbit;1=2stopbits. PASSWORD group PA1 Firstlevelpassword.0=Nopassword 2060 SHORT -99...999 PA2 Second level password. 2061 SHORT -99...999 924EHPNE4.01 - EHPN series humidifiers | 95 | Modbus RTU functions and resources | 02/2024...

  • Page 96: Modbus Resource Table

    1269 R/W DWORD --- h x 10 429496729.5 GeneralAlarm Generalalarmstatus(OFF/ON). 1283 1 BIT unitOn Unitstatus(OFF/ON). 1284 1 BIT Restore default parameters command. 1285 1 BIT 924EHPNE4.01 - EHPN series humidifiers | 96 | Modbus RTU functions and resources | 02/2024...
  • Page 97 Inverter alarm: IL. 1307 WORD --- 0...65535 inv_AL Inverter alarm: GF. 1307 WORD --- 0...65535 Inverter status. invStatus 0=OFF,1=Ready,2=ON,3=Acceleration, 1308 BYTES --- 0...6 4=Deceleration,5 =Alarm,6 =Overload 924EHPNE4.01 - EHPN series humidifiers | 97 | Modbus RTU functions and resources | 02/2024...
  • Page 98 0...65535 wALrack1 Rack1alarmAL16. 1314 WORD --- 0...65535 wALrack1 Rack1alarmAL17. 1314 WORD --- 0...65535 wALrack1 Rack1alarmAL18. 1314 WORD --- 0...65535 wALrack1 Rack1alarmAL20. 1314 WORD --- 0...65535 924EHPNE4.01 - EHPN series humidifiers | 98 | Modbus RTU functions and resources | 02/2024...
  • Page 99 1 BIT -32768 ... HumRack1 Rack1humiditysensorvalue. 1331 SHORT Y 32767 -32768 ... HumRack2 Rack2humiditysensorvalue. 1332 SHORT Y 32767 -32768 ... HumRack3 Rack3humiditysensorvalue. 1333 SHORT Y 32767 924EHPNE4.01 - EHPN series humidifiers | 99 | Modbus RTU functions and resources | 02/2024...
  • Page 100 SHORT Y 32767 -32768 ... LHumRack3 Rack3humiditylimitsensorvalue. 1336 SHORT Y 32767 MBS_SwEn On/Off command from BMS. 1922 R/W 1 BIT (*) Calculation of operating hours Operatinghours=(HIGHregisterx65536)+LOWregister 924EHPNE4.01 - EHPN series humidifiers | 100 | Modbus RTU functions and resources | 02/2024...

  • Page 101: Distribution Rack

    M12 Maintenance hours warning threshold for the branch 2 solenoid valve. DWORD 100...2000 2049 Maintenance hours warning threshold for the branch 3...7 2050 ... hours DWORD 100...2000 solenoid valve. 2051 924EHPNE4.01 - EHPN series humidifiers | 101 | Modbus RTU functions and resources | 02/2024...
  • Page 102 0...2 1=Odd; 2=Even. Modbus stop bit. 2059 1 BIT 0=1stopbit;1=2stopbits. PASSWORD group PA1 User password. 0=Nopassword. 2060 SHORT -99...999 PA2 Maintenance password. 2061 SHORT -99...999 924EHPNE4.01 - EHPN series humidifiers | 102 | Modbus RTU functions and resources | 02/2024...

  • Page 103: Modbus Resource Table

    R/W DWORD --- h x 10 429496729.5 0.0 ... Hoursofbranch1solenoidvalveoperation(LOW)(*). 1288 R/W DWORD --- h x 10 429496729.5 HoursEV1 0.0 ... Hoursofbranch1solenoidvalveoperation(HIGH)(*). 1289 R/W DWORD --- h x 10 429496729.5 924EHPNE4.01 - EHPN series humidifiers | 103 | Modbus RTU functions and resources | 02/2024...
  • Page 104 R/W DWORD --- (LOW). (*) 1000 10000.000 actsEV5 The number of branch 5 solenoid valve activations 0.0 ... 1326 R/W DWORD --- (HIGH). (*) 1000 10000.000 924EHPNE4.01 - EHPN series humidifiers | 104 | Modbus RTU functions and resources | 02/2024...
  • Page 105 0.0 ... 1334 R/W DWORD --- (HIGH). (*) 1000 10000.000 MBS_SwEn On/Off command from BMS. 1922 R/W 1 BIT (*) Calculation of operating hours Operatinghours=(HIGHregisterx65536)+LOWregister 924EHPNE4.01 - EHPN series humidifiers | 105 | Modbus RTU functions and resources | 02/2024...

  • Page 106: Diagnostics

    13. DIAGNOSTICS Chapter content This chapter contains the following information: Subject Page 13.1 Pump unit alarm table ..................107 13.2 Distribution rack alarm table ................. 109 924EHPNE4.01 - EHPN series humidifiers | 106 | Diagnostics | 02/2024...

  • Page 107: Pump Unit Alarm Table

    • Carry out inverter AL13 inverter Hours of inverter operation > M12 • Alarm relay ON maintenance maintenance • Noeffectonregulation • Reset the counter • AL13 recorded in the log 924EHPNE4.01 - EHPN series humidifiers | 107 | Diagnostics | 02/2024...
  • Page 108 • Fixedalarmicon •  C ontrolboardnotworking •  C heckforelectricalnoise Alarm: • AL22 displayed AL22 humidity • Alarm relay ON sensor • HumidifierOFF • AL22 recorded in the log 924EHPNE4.01 - EHPN series humidifiers | 108 | Diagnostics | 02/2024...

  • Page 109: Distribution Rack Alarm Table

    • AL23 displayed Alarm: HPN between distributionrackand AL23 and expansion board that manages • Alarm relay ON offline pump unit rackbranchEV4-EV5-EV6-EV7 • • Automatic reset • AL23 recorded in the log 924EHPNE4.01 - EHPN series humidifiers | 109 | Diagnostics | 02/2024...
  • Page 110 7 AL27 operation > M13 or number of • Alarm relay ON solenoid valve solenoid valve activations > M18 • HumidifierOFF maintenance • AL27 recorded in the log 924EHPNE4.01 - EHPN series humidifiers | 110 | Diagnostics | 02/2024...

  • Page 111: Maintenance

    This chapter contains the following information: Subject Page 14.1 Before you start ....................112 14.2 Opening the pump unit ..................114 14.3 Changing the oil cap ..................115 14.4 Changing oil ...................... 116 924EHPNE4.01 - EHPN series humidifiers | 111 | Maintenance | 02/2024...

  • Page 112: Before You Start

    14.1 Before you start EHPN series humidifiers are designed for operation with the water properties specified in the sub-section "WATER SPECIFICATIONS" ON PAGE 33. Using water with other properties and/or with a hardness level approaching the limit of 50 °f means that maintenance will be requiredmorefrequentlyandmuchgreaterattentionmustbepaidtothebiologicalrisk.
  • Page 113 • Intheeventofpoormaintenance/cleaningafterthehumidifierhasbeenshut-downforalongtime,microorganisms (including the bacteria that cause Legionellosis) may proliferate and be transferred into the air treatment system. • Thehumidifiermustbeusedproperlyandbemaintainedandcleanedproperlyatprescribedintervals,asdescribedinthe MAINTENANCE chapter. 924EHPNE4.01 - EHPN series humidifiers | 113 | Maintenance | 02/2024...

  • Page 114: Opening The Pump Unit

    14.2 Opening the pump unit Forinstallersandmaintenancepersonnelonly. Toopenthepumpunit,undothe9hexagonheadscrewsintheunitasshowninthephotobelow,afterwhichyoucanremove the panel. Fig. 75. Opening the pump unit 924EHPNE4.01 - EHPN series humidifiers | 114 | Maintenance | 02/2024...

  • Page 115: Changing The Oil Cap

    14.3 Changing the oil cap Duringinstallation,alwaysreplacetheredcapusedexclusivelyfortransportingthehumidifierwiththeyellowcapprovided. Fig. 76. Changing the oil cap 924EHPNE4.01 - EHPN series humidifiers | 115 | Maintenance | 02/2024...

  • Page 116: Changing Oil

    Collect used oil in containers and dispose of it at the appropriate centres in accordance with the regulations in force. Never dispose of it in the environment. Fig. 78. Pump 924EHPNE4.01 - EHPN series humidifiers | 116 | Maintenance | 02/2024...

  • Page 117: Checking The Oil Level

    14.4.2 Checking the oil level Iftheoillevelisnotbetweenthedashedlines,addorremoveoilandcheckforleaks. Fig. 79. Checking the oil level NOTE:Takegreatcaretoavoiddamagingthetemperaturesensorfittedattheoutlettothepump. Refer to the pump manual for more information. 924EHPNE4.01 - EHPN series humidifiers | 117 | Maintenance | 02/2024...

  • Page 118: Spare Parts

    15. SPARE PARTS Chapter content This chapter contains the following information: Subject Page 15.1 Pump unit ......................119 15.2 Distribution rack ....................120 924EHPNE4.01 - EHPN series humidifiers | 118 | SPARE PARTS | 02/2024...

  • Page 119: Pump Unit

    15.1 Pump unit Fig. 80. EHPN series spare parts - pump unit Ref. Description EHHPN001P4 EHPN electronic control EPJC940U4EHPN EHPNcolouruserinterface,24VacM+FCAN+RS485 EHPNK25 Steelpumpkit,120...300kg/h EHPNK26 Steelpumpkit,360...420kg/h EHPNK27 Steelpumpkit,480...540kg/h EHPNK28 Steelpumpkit,660kg/h EHPNK29 Steelpumpkit,840kg/h EHPNK37 EHPN pressure transducer EHPNK36 EHPN pressure switch EHPNK38 EHPN automatic safety valve EHPNK46 EHPNservo-ventilatedmotor,2.2kWEHPD480...840kg/h...

  • Page 120: Distribution Rack

    15.2 Distribution rack Fig. 81. EHPN series spare parts - distribution rack Ref. Description EHPNK10 Kitof10nozzles,4kg/h EHPNK11 Kitof10nozzles,8kg/h EHPNK40 Outletsolenoidvalve,NO,24V EHPNK41 Inletorstepsolenoidvalve,NC,24V EHHPD001P4 EHPD electronic control EHHPD001E4 EHPDelectroniccontrolexpansion,7branches EV3K61X0CT Userinterface,TTLREM.KEYB.4+4DGTUMID. 924EHPNE4.01 - EHPN series humidifiers | 120 | SPARE PARTS |...

  • Page 121: Wiring Diagrams

    Page 16.1 Wiring diagram for EHPN 3-branch humidifier ..........122 16.2 Wiring diagram for EHPN 7-branch humidifier ..........123 16.3 Wiring diagram for EHPN single-branch humidifier ........124 924EHPNE4.01 - EHPN series humidifiers | 121 | Wiring diagrams | 02/2024...

  • Page 122: Wiring Diagram For Ehpn 3-Branch Humidifier

    16.1 Wiring diagram for EHPN 3-branch humidifier Fig. 82. Wiring diagram for EHPN 3-branch humidifier 924EHPNE4.01 - EHPN series humidifiers | 122 | Wiring diagrams | 02/2024...

  • Page 123: Wiring Diagram For Ehpn 7-Branch Humidifier

    16.2 Wiring diagram for EHPN 7-branch humidifier SCI1 SSR3 SSR2 Fig. 83. Wiring diagram for EHPN 7-branch humidifier 924EHPNE4.01 - EHPN series humidifiers | 123 | Wiring diagrams | 02/2024...

  • Page 124: Wiring Diagram For Ehpn Single-Branch Humidifier

    16.3 Wiring diagram for EHPN single-branch humidifier Fig. 84. Wiring diagram for EHPN single-branch humidifier 924EHPNE4.01 - EHPN series humidifiers | 124 | Wiring diagrams | 02/2024...
  • Page 125 This page has been left blank on purpose. 924EHPNE4.01 - EHPN series humidifiers | 125 | 02/2024...
  • Page 126 This document and the solutions contained within it are the intellectual propertyofELSTEAM,safeguardedbytheItalianIndustrialPropertyCode (CPI).ELSTEAMforbidsthereproductionanddistribution,eveninpart,ofthe contents,unlessexpressauthorisationisobtaineddirectlyfromELSTEAM. Thecustomer(manufacturer,installerorenduser)assumesallresponsibility fordeviceconfiguration. ELSTEAM does not assume any responsibility for potential errors and reserves the right to make any changes, at any time, without the basic functionalandsafety-relatedfeaturesbeingaffected. MADE IN ITALY ELSTEAM S.r.l. ViaEnricoFermi496,21042,...

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