924VHE4.02 -
VEH
series humidifiers
02/2022
|18|
5.3 Water drainage system
Asahumidifierwithautomaticboilercleaning,thewaterdrainmustanticipateawateroutflowofatleast1l/s.
NOTICE
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.);
•
Minimumaverageinclineof45°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.
NOTICE
MALFUNCTIONING OF THE EQUIPMENT
Ifthewaterhardnessisover40°f,carryoutmaintenance/manualcleaningofthetankatleasttwiceayear.
Water drain with pipe inside AHU
Water drain with pipe inside AHU
Fig. 8.
Drainage tank features
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.
DANGER
RISK OF ELECTRIC SHOCK
Ifthedrainagetankismadeusingelectricallyconductivematerial,thetankorthedrainagenetworkmustbeearthed.
Drainedwatermayreachatemperatureof98°C(208.4°F)orhigher.
WARNING
RISK OF BURNS
•
Beforestartingtodrainthewater,wearallnecessarypersonalprotectiveequipment(PPE).
• Do not touch the equipment when draining the water.
