Before You Start - Elsteam EHPN Series Operating And Maintenance Manual

EHPN series humidifiers are defined as "NOT ACCESSIBLE TO THE PUBLIC".
RISK OF ELECTRIC SHOCK, EXPLOSION OR ELECTRIC ARC
• Anyprocedureonthehumidifier,includingmaintenanceofanytype,mustonlybecarriedoutwhilethepowersupplyis
disconnected.
• Themaintenance,repair,installationanduseoftheequipmentmustonlybeentrustedtoqualifiedpersonnel.
The humidifier produces humidity (mist) at a pressure of 80 bar (8 MPa).
HIGH-PRESSURE WATER SYSTEM
Do not approach or touch the equipment while it is running.
Inadequate use and/or poor maintenance of the humidifier can damage your health.
BIOLOGICAL RISK
• Intheeventofpoormaintenance/cleaningafterthehumidifierhasbeenshut-downforalongtime,microorganisms
(including the bacteria that cause Legionellosis) may proliferate and be transferred into the air treatment system.
• Thehumidifiermustbeusedproperlyandbemaintainedandcleanedproperlyatprescribedintervals,asdescribedinthe
MAINTENANCE chapter.
Thoroughlyremoveanylimescaleresiduesandbiofilmfromthedistributionnozzleswitha20%formicacidsolutionand
suitable biocides. Thoroughly brush and mechanically clean the microscopic holes to ensure the nozzles are perfectly clean
and free.
Periodically flush the complete pumping and distribution circuit with demineralised water and suitable biocides that are not
corrosivetotheSTAINLESSSTEELandPTFEpartsofthesystemcomponents.Dosowithasuitablefrequencybasedonthe
quality of the supply water used.

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.
Itisnotpossibletoprovidecertaininstructionstodeterminethemaintenancefrequency,asitdependsheavilyonthe
morphologyofthewaterused,whichcanalsovaryunderequalspecifications(conductivityandhardness).
MALFUNCTIONING OF THE EQUIPMENT
Only use the humidifier with the water specifications indicated in this manual.
Iffrequentmaintenancetakesplace,checkthequalityofthewatersupply.
MALFUNCTIONING OF THE EQUIPMENT
Only carry out maintenance on the humidification system as described in the instructions in the Maintenance chapter of this
manual.
Ifanyadverseeventnotdescribedinthisdocumentationarises,carryoutmaintenanceand/orreplacethepumpunit.
Moreover,contactELSTEAMcustomerservicefortherelevantguidelinesandinstructions.
RISK OF ELECTRIC SHOCK, EXPLOSION OR ELECTRIC ARC
Ifanadverseeventoccurs,disconnectthehumidifierpowersupplyimmediately.
924EHPNE4.01 - EHPN series humidifiers
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WARNING
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NOTICE
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| 112 | Maintenance | 02/2024