Cleaning The Optional Stainless Steel Discharge Tank (Vi Accessory); Replacing The Electrodes; Opening The Electric Panel - Elsteam VEH Series Manual

11.3 Cleaning the boiler
• Drainthehumidifier;
• Disconnect the machine power supply using the external isolator;
• OpenthetopofthetankinsidetheAHU;
• Usethe2screwsatthefronttodisconnectthefilling/dischargemanifoldfromthefrontofthehydraulicunit;
• Loosen the 4 screws on the sides of the top cover and remove the 2 covers;
• Gently lift the hydraulic unit until any remaining water has drained out;
•  W ashthehydraulicunittankusingacitricacidoraceticacidsolutionanddetachanylimescalefromtheelectrodes
from the surface of the electrodes using a plastic spatula;
• Fullyreassemblethehydraulicunit.
11.4 Cleaning the optional STAINLESS STEEL discharge tank (VI accessory)
• Removethetankconnectionfromthedrain;
• Removethetankfromthebottomofthehumidifier;
• Cleanthetankbyremovinglimescaledepositsandrinsingitunderrunningwater;
• Re-fitthetankcorrectly and reconnect the drain.

11.5 Replacing the electrodes

• Drainthehumidifier;
• Disconnect the machine power supply using the external isolator;
• OpenthetopofthetankinsidetheAHU;
• Usethe2screwsatthefronttodisconnectthefilling/dischargemanifoldfromthefrontofthehydraulicunit;
• Loosen the 4 screws on the sides of the top cover and remove the 2 covers;
• Unscrewthenutssecuringtheelectrodes,liftthemfromthepartoppositetheconnectionsandslidethemoutofthe
connection slot;
• Insertthenewelectrodes,reversingthedisassemblyinstructions;
•  S ecuretheelectrodesintheirseat,makingsuretheyarewellfastenedandthattheO-RINGsealsarepositionedcorrectly;
•  R econnecttheelectricalcablesusingflangednutsandspecialNordLockwashers,makingsureconnectiontakesplace
in accordance with best practices and current regulations.
LOOSE WIRING CAUSES ELECTRIC SHOCKS AND OVERHEATING
Tighten the connections in compliance with the technical specifications relating to tightening torques.
Tighteningtorquebetweennutandlocknut,fortheringterminal:4Nm.

11.6 Opening the electric panel

Forinstallersandmaintenancepersonnelonly.
924VHE4.02 - VEH series humidifiers
DANGER
3
Fig. 26. Opening the electric panel
| 36 | 02/2022