Manual

Thermostat Fan Switch Operation
Withthe thermostatfan switchinthe ONposition,thecirculatingair blowerwillruncontinu-
ouslyat the speed usedfor cooling.
Withthe thermostatfan switchinthe AUTOposition,thecirculatingair blowerwillonly run
duringeach cooling or heatingcycle.
9. Maintenance
Adjusting RoomTemperatures
Ifthe temperaturein individualroomsisnot as desired,balancethe systembyadjusting
the dampetsinthe branchducts.Adjusta littleatatime andwaitadayaftereachchangeto
judgethe effect.Oncethedampersareadjustedfornormalweatherconditions,it isbestto
leavethem that way.Compensatefortemporaryweatherchanges byadjustingthe ther-
mostatsetting.
Monthly Maintenance and Inspection Checks
CondenserFanMotor
Air Filters
CAUTION
Do NOT operate unit without air filters.
Inspectfiltersat leastmonthlyand replaceorclean as required.Washablefiltersmaybe
cleanedby soakingin mild detergentand rinsingwithcoldwater.Replacefilters withthe
arrowson the side pointingin the directionof air flow.Dirtyfilters arethe mostcommon
cause of inadequateheatingor coolingperformance,and of compressorfailures.
Cooling Season Checks (Monthly)
CondenserCoil
Keepthe condenserinletand outletareacleanandfreeof leaves,grassclippingsorother
debris.Grassshouldbe keptshortinfrontof the condenserair inlet.ShrubberyMUSTbe
trimmedback so it is nocloser than 30 inches (762mm)to unit panels and 10 inches
(254mm)to coil inlet.
Thecondenserand evaporatorcoilsshouldbe cleanedbyusing a non-acid typecleaner
to avoidremovingpaintorothertypeofcoatingon thecoi!. Alwaysturnoffelectricalpower
to the unit duringserviceand maintenance.
CondensateDrain
Periodiccleaningofthe condensatedrain&trap maybe required.Inspectdrainageofcon-
densateafterat least 15 minutesof continuousoperationin coolingmode duringhumid
conditions.
CAUTION
Do NOT use 3in I oil, penetrating oil, WD40 or similar oilsto oil motor
bearings.
Motors used inthis product are considered permanently lubricated for up
to 5 years. Ifoil ports are provided on the motor, oilthe cendenserfanmotorand
evaporatorblowermotorafterfive yearsof operationand everyfiveyearsthereafter.
UseSAE 10W30motoroil. Tooil,removetheholeplugsfrom themotor endbellsand add
severaldropsofoilwitha squeezetype,flexibletube oiler.Replaceholeplugsafteroiling.
Do NOTover oil.
Cleanthe surroundingareaand the condenserandevaporatorcoils.Usecautiontoavoid
damageto coil fins.Usea non-acid type ofcleanerONLY.
CirculatingAir Blower
Toaccessorremovethe blowermotorusethe followingsteps.
1.Turn electric power OFF
2. Remove the blower access panel.
3. Unplug the wires connected to the speed tap block if necessary, not-
ing the location of each wire for re-installation.
4.Slide entire housing toward you.
Annual Maintenance and Inspection
Electrical shock hazard.
Turn OFF electric power supply at disconnect switch or service
panel before removing any access or service panel from unit.
Failure to follow this warning can result in property damage,
personal injury, and/or death.
The annualinspectionMUST includelubricationand cleaningas requiredto ensureeffi-
cient operationof the unit.To simplifyaccess,removeall access panels.
&Visually inspect the blower wheel for accumulations of dirt or lint.
Clean the compartment and the blower wheel. If accumulation is
excessive on blower wheel, or does not easily remove, it may be
necessary to remove and disassemble the blower assembly for prop-
er cleaning.
&Oil blower motor if needed.
CAUTION
Do NOT use 3in I oil, penetrating oil, WD40 or similar oilsto oil motor
bearings.
Oil the blowermotor byadding severaldropsof SAE10W30to eachmotor bearing.The
blowermotor shouldbe oiledafterfiveyearsof operationand everyfiveyearsthereafter.
7.When finished, reassemble in reverse order.
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