BAC 3872C User Manual

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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

BAC 3872C Specifications

General

Brand	BAC
Model	3872C
Category	Air Conditioner
Language	English