BAC 3985C - Water Level Control; PART 2 Detailed Component Maintenance Procedures

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Detailed Component
Maintenance
Procedures
Fan Shaft Bearings
Inspection & Maintenance
Heat Transfer System
Fill & Drift Eliminator
Water Distribution System
Hot Water Basin
Operating Level
Inspection and Maintenance
Optional EASY CONNECT
®
Piping Arrangement
Water Level Control
Operating Level
Atdesignow,theoperatinglevelshouldnotbelessthan2inchesorgreaterthan6
inchesdeep.
Inspection and Maintenance
• Quarterly,ormoreoftenasrequired,removeanydirtordebriswhichmayclogthe
nozzles.Seasonally,cleanandushthehotwaterbasinwithfreshwater.
• Accesstothenozzlesrequiresremovalofthehotwaterbasincovers.
– Toremovethecoversturntheknobstoremovethethreadedstuds(Figure 6).Then,
liftthehotwaterbasincoversverticallybyusingtheattachedhandles.Oncethehot
waterbasincoversareremoved,thenozzlesmaybecleaned.
• Ifaccesstothenozzlesunderthepre-distributionchamberisrequired,remove
thehardwarethatfastensthetabbedbafes,thenremovethepanels.Retainthe
hardwaretore-installthetabbedbafes.
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Optional EASY CONNECT
®
Piping Arrangement
TheSeries3000CoolingTowerhasanoptionalEASYCONNECT
®
PipingArrangement,
whichisequippedwithacappedcleanoutconnection.Thewatertobecooledentersthe
towerthroughasingleconnectionandpassesthroughtheEASYCONNECT
®
Chamber,
supplyingwatertobothhotwaterbasins.SeeFigure 7, page 30.
Water Level Control
There are two types of water level controls used on Series 3000 Cooling Towers:
• Mechanicalmake-upvalveassembly
• Optionalelectricwaterlevelcontrolpackage

TheSeries3000watermake-upvalveassemblyislocatedattheconnectionendofthe
unit.
ATTENTION: Do not use steam or
high pressure water to clean PVC
eliminators or materials other than
steel.
Figure 6. Hot Water Basin Cover Removal