Water Drainage System; Connection Specifications - Elsteam VEH Series Manual

5.3 Water drainage system

Asahumidifierwithautomaticboilercleaning,thewaterdrainmustanticipateawateroutflowofatleast1l/s.
MALFUNCTIONING OF THE EQUIPMENT
Sizethedrainpipecorrectlyinordertopreventblockagesandcloggingduringautomaticcleaning.
NOTE: the drain pipes are not supplied (except for the first section d40 x1000 mm).
NOTE: a fixed drain connection must be used.

5.3.1 Connection specifications

• Minimum diameter 40 mm (1.57 in.);
• Maximumbendradius300mm(0.98ft.);
•  M inimumaverageinclineof45°andwithouttraps(outsidetheAHU,insiderefertotheaccessorieskits).
Ifthesespecificationsarenotadheredtointheinstallation,installawaterandlimescalecollectiontankatthedrainoutletpoint
outside the AHU (p/n VI) (contact the Elsteam sales office for further information).
Discharge tank features
• Discharge(drainage)tankwithtrapforlimescalecollection.
MALFUNCTIONING OF THE EQUIPMENT
Ifthewaterhardnessisover40°f,carryoutmaintenance/manualcleaningofthetankatleasttwiceayear.
Water drain with pipe inside AHU
If the water hardness reflects the optimal specifications indicated in sub-section "5.2.1 WATER SPECIFICATIONS" ON PAGE 17,
thetankwillonlyneedcleaningonceayear.
Ifthedrainagenetwork-orthedrainagetank-ismadeusingelectricallyconductivematerial,safetystandardsrequirethatit
is connected to the electrical earthing system.
RISK OF ELECTRIC SHOCK
Ifthedrainagetankismadeusingelectricallyconductivematerial,thetankorthedrainagenetworkmustbeearthed.
Drainedwatermayreachatemperatureof98°C(208.4°F)orhigher.
RISK OF BURNS
• Beforestartingtodrainthewater,wearallnecessarypersonalprotectiveequipment(PPE).
• Do not touch the equipment when draining the water.
924VHE4.02 - VEH series humidifiers
NOTICE
NOTICE
Fig. 8. Drainage tank features
DANGER
WARNING
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Water drain with pipe inside AHU
02/2022