38 PB
Coils & Chassis
NOTE: Donotuseacausticcleaningagentoncoilsorbasepan.Useabiodegradablecleaningagentanddegreaser.
Theuseofharshcleaningmaterialsmayleadtodeteriorationofthealuminumnsorthecoilendplates.
Theindoorcoilandoutdoorcoilsandbasepanshouldbeinspectedperiodically(annuallyorsemi-annually)and
cleanedofalldebris(lint,dirt,leaves,paper,etc.)asnecessary.Underextremeconditions,morefrequentcleaning
mayberequired.Cleanthecoilsandbasepanwithasoftbrushandcompressedairorvacuum.Apressurewasher
mayalsobeused;however,youmustbecarefulnottobendthealuminumnpack.Useasweepingupanddown
motioninthedirectionoftheverticalaluminumnpackwhenpressurecleaningcoils.
NOTE:Itisextremelyimportanttoinsurethatnoneoftheelectricaland/orelectronicpartsoftheunitgetwet.
Besuretocoverallelectricalcomponentstoprotectthemfromwaterorspray.
Decorative Front
Useadamp(notwet)clothwhencleaningthecontrolareatopreventwaterfromenteringtheunit,andpossibly
damagingtheelectroniccontrol.
Thedecorative frontandthe cabinetcan be cleanedwith warm waterand amildliquid detergent.Do NOT use
solventsorhydrocarbonbasedcleanerssuchasacetone,naphtha,gasoline,benzene,etc.
Theindoorcoilcanbevacuumedwithadustingattachmentifitappearstobedirty.DONOTBENDFINS.Theoutdoor
coilcanbegentlysprayedwithagardenhose.
Theairltershouldbeinspectedweeklyandcleanedifneededbyvacuumingwithadustattachmentorbycleaning
inthesinkusingwarmwaterandamilddishwashingdetergent.Drythelterthoroughlybeforereinstalling.Use
caution,thecoilsurfacecanbesharp.
Fan Motor & Compressor
Thefanmotor&compressorarepermanentlylubricatedandrequirenoadditionallubrication.
Wall Sleeve
Inspecttheinsideofthewallsleeveanddrainsystemperiodically(annuallyorsemi-annually)andcleanasrequired.
Underextremeconditions,morefrequentcleaningmaybenecessary.Cleanbothoftheseareaswithanantibacterial
andantifungalcleaner.Rinseboth itemsthoroughly withwater andensure thatthedrainoutletsareoperating
correctly.Checkthesealantaroundthesleeveandresealareasasneeded.
Blower Wheel / Housing / Condensor Fan / Shroud
Inspecttheindoorbloweranditshousing,evaporatorblade,condenserfanbladeandcondensershroudperiodically
(yearlyorbi-yearly)andcleanofalldebris(lint,dirt,mold,fungus,etc.).Cleantheblowerhousingareaandblower
wheelwithanantibacterial/antifungalcleaner.Useabiodegradablecleaningagentanddegreaseroncondenser
fanandcondensershroud.Usewarmorcoldwaterwhenrinsingtheseitems.Allowallitemstodrythoroughly
beforereinstallingthem.
Electrical / Electronic
Periodically(atleastyearlyorbi-yearly)inspectallcontrolcomponents:electronic,electricalandmechanical,as
well as the power supply. Use proper testing instruments (voltmeter, ohmmeter, ammeter, wattmeter, etc.) to
perform electrical tests. Use an air conditioning or refrigeration thermometer tocheck room, outdoor and coil
operatingtemperatures.
Air Filter
1)Toensureproperunitoperation,theairltershouldbecleanedatleastmonthly,andmorefrequentlyifconditions
warrant.Theunitmustbeturnedoffbeforethelteriscleaned.
2)ToRemove,WashandReplaceFilter
Routine Maintenance