
WL500Manual Page61Revision4‐10‐2019
WL500DRAININGINSTRUCTIONS
WARNING!WL500WATERTREATMENTSYSTEMISAHEAVYOBJECT.
Useproperliftingaidsandhandlingtechniquestoavoidinjury.Useassistanceassinglepersonliftcould
causeinjury.Alwaysdrainbeforehandlingtoreduceweight.
DrainingNotes
Thereare3tanksandaboosterpumpcircuitthatmustbedrainedintheWL500WaterTreatment
System.ThecoldstillwatercircuitoftheWL500WaterTreatmentSystemconsistsofa2‐literCold
Tank,a1‐literpre‐chillchamberandaboosterpumpcircuitthatissealedandmustbeventedtodrain.
Theboosterpumpwillhavesomewaterinthecircuitthatmustbepurgedtoremoveit.TheSparkling
Chamberdoesnothaveaventordrainportandmustbedispenseduntilempty(pushingCO
2
gasonly
outofthefaucet)toclearthewaterfromtheSparklingChamber.Itiscriticaltoclearthecoldstill
waterbeforedrainingtheSparklingChambertoensurethepumpdoesnotinjectwaterbackintothe
SparklingChamber.TheHotTankhasadrainportandistheonlytankthatisopentoatmosphere
throughtheventandfaucet.
PriortodrainingtheHotTank,turntheGREENCompressor/HeaterSwitchoff
(O=OFF),anddispense2litersofhotwaterfromthemachine.Ashotwateris
dispensedfromthefaucetoftheunit,colderwaterwillbeintroducedintotheHot
Tank.SincetheGREENCompressor/Heaterswitchisturnedofftheheaterwillnot
energizeandheattheincomingtapwater.Followingthisprecautionprevents
exposingpersonnelandequipment(drains,catchbasin,etc.)toscaldinghotwater.
DisableColdandHotTanks
1. TurnofftheGREENHeater/CompressorSwitchtodisabletheheaterand
Compressor.O=OFF
2. Dispense2litersofwaterthroughtheHotTanktocoolthewatertemperaturein
theHotTankandavoidburns.
WARNING!VERYHOTWATERCANBURNORSCALD.
Hotwatershouldbedispensedcarefullyintoinsulatedcontainertoavoidinjury.
TurnoffWaterSupplyandBleedWaterPressure
3. Isolatetheunitfromfeedwaterbyturningoffthesupply.
4. Dispensecoldstillwatertorelieveanypressurebuiltupinthesystem.
5. Removethewatersupplylinefromtheunit.
6. Installdustcaporplugintowatersupplylinebulkheadfitting.
GREENRED
GREENRED