924VHE4.02 -
VEH
series humidifiers
02/2022
| 20 |
6.1 Before you start
Read this manual carefully before installing the equipment.
Inparticular,thesafetyinstructions,electricalrequirementsandcurrentregulationsforthemachineortheprocessinwhich
this device is involved must be observed.
The use and application of the information contained herein requires experience in the design and installation of humidification
systems.Onlytheuser,integratorormanufacturerofthemachinecanbefamiliarwithalltheconditionsandfactorswhich
ariseduringinstallationandconfiguration,operationandmaintenanceofthemachineortheprocess,andassuchcanidentify
therelevantautomationequipmentandthecorrespondinginterlocksandsafetysystemswhichcanbeusedeffectivelyand
appropriately.Whenselectingautomationandcontrolequipmentandotherconnectedequipmentandsoftware,foraparticular
application,youmustconsiderallapplicablelocal,regionalandnationalstandardsand/orregulations.
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.
•
Cutoffthepowersupplytoallequipment,includinganyconnecteddevices,beforeremovinganycoversorhatches,or
beforeinstalling/uninstallingaccessories,hardware,cablesorwires.
•
Providesafetyinterlocks(isolators)ofasuitablesizebetweenthepowersupplyandthehumidifier,withacontactopening
distance of at least 3 mm for each pole.
•
AlwaysuseaproperlycalibratedVoltmetertomakesurethesystemispoweredoff.
•
Themaintenance,repair,installationanduseoftheequipmentmustonlybeentrustedtoqualifiedpersonnel.
• Do not touch the unshielded components or the terminals while they are live.
•
Donotopen,disassemble,repairormodifytheproduct.
• Do not expose the equipment to liquids or chemicals.
•
Makesurethereisaneffectiveearthconnection.
• Before applying voltage to the equipment:
•
Makesureallprotectiveelements,suchascovers,hatchesandgrilles,arefittedand/orclosedusingatool(e.g.aspanner).
•
Checkallwiringconnections.
WARNING
REGULATORY INCOMPATIBILITY
Makesurealltheequipmentusedandsystemsdesignedconformtocurrentlocal,regionalandnationalstandards.
6.2 Connection best practice
6.2.1 Wiring best practices
DANGER
RISK OF ELECTRIC SHOCK AND FIRE
• Do not use the device with loads greater than those indicated in the technical data section.
• Do not exceed the temperature and humidity ranges indicated in the technical data section.
•
Providesafetyinterlocks(isolators)ofasuitablesizebetweenthepowersupplyandthehumidifier.
• Only use cables with a suitable cross-section as indicated in the section “Wiring best practices”.
When wiring the
humidifiers,observethefollowinginstructions:
•
Makesuretheoperatingenvironmentandconditionsfallwithinthespecifiedvalues.
•
Usecableswiththecorrectdiameter,suitedtothevoltageandcurrentrequirements.
• Use double-insulated cable
ssuitableforoutdooruse(minimumrequirement:H05RN-F)whichalsoincludeanearthwire.
DANGER
LOOSE WIRING CAUSES ELECTRIC SHOCKS AND OVERHEATING
Tighten the connections in compliance with the technical specifications relating to tightening torques.
WARNING
MALFUNCTIONING OF THE EQUIPMENT
• Perfor
mthewiringcarefully,incompliancewithelectromagneticcompatibilityandsafetyrequirements.
• Carry out a full start-up test.
•
Makesurethewiringiscorrectfortheendapplication.
•
Minimisethelengthoftheconnectionsasmuchaspossible,toavoidwindingthecablesaroundelectricallyconnectedparts.
•
Beforeapplyingthepowersupply,checkallthewiringconnections.
• Do not connect c
ablestounusedterminalsand/orterminalsmarkedwiththetext“Noconnection”(N.C.).
6. ELECTRICAL CONNECTIONS
