INTRODUCTION
Evaporativecoolingworkson the principleofheatabsorption bymoistureevaporation.Whena swimmer
leavesthe water on a windyday,he feelscool becausethe moistureon his bodyis evaporatingand
absorbingheat.
Yourevaporativecooler drawsexterior airintospecialpads soakedwithwater,wheretileair iscooledby
evaporation,then circulatedintoyour home.
Yourevaporativecooler makesthe best possibleuse of the evaporativeprocess bymeteringthe flowof
water,distributingit evenlythroughthefiltermedia,and blowinga steadystreamof cooledairinto your
home.Theair isthen channeledthroughthebuildingand ventedout ofthe homethroughopen
windows, doors or vents.
5 l 3
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In fiu__g_.L!are the major parts ofyour cooler thatkeep thisprocess operatingefficientl_Themotor (1) __
drivesthe blower (2) whichdrawsair fromoutsidethroughthe pads (3) saturatedwithwaterfromthe
pump (4) viathe waterdistributionsystem(5). Thefloatvalve(6) and standpipe(7) holdthe waterin a
reservoir(8) at a constantlevel. FIGURE1
INSTALLATION
MountingOfDownDischargeAndHorizontalModels
1_ Read these instructions
carefully before installing,
operating or servicing your
evaporative cooler.
ShFETY
Caution:
Disconnect all
electrical power
to the cooler
before attempting
to install, open, or service your
cooler. If the cooler is
thermostatically controlled, the
thermostat is not to be used as a
disconnect as it may reset and start
the unit unexpectedly.
Evenwhileroutinelyinspectingor servicingthe
inside,thecoolercanbeaccidentallystacmd.Keep
childrenandpetsawayfromthecoolerand
electricalsupplywhenyouareworkingonit.
Mwaysusetherecommendedtoolslistedinthis
manual.Don'tattempttoperformanypartofthe
installationdescribedinthisbookunlessyouare
fully qualified to doso.MIelectricalworkmust
meetlocalcodesandmustbeperformedby
qualifiedpersonnelunl'_
Toinstallcooler cabinet, the followingtools are
required:
• wood Strip
• 5/32" bex keyAllenwrench
• Pliers
• Adjustablewrenches
• Tubingcutter
• Screwdrivers
Your cooler may be... a horizontal
discharge, a down discharge,or a windowmodel.
Horizontal discharge units are designed for
installationon the side of a building,on a flat or
pitched roof, or on a slab at ground level.Down
discharge coolers are designedfor flator pitched
roofs. Window models attach easilyto window
apertures or throughthewall. Variousinstallation
techniquesare shown in thefollowingsection.
If the cooler you have selected is to be
mounted on the roof of your home, remember
these important rules:
• Neverattempt to install or service a cooler during
a storm or in high windconditions. Beside risking
loss or damage to parts, youcouldbe risking
substantialinjury
• Neverwear shoes withslick soles whenworking
or walkingon a roof.Whenyou least expectit you
mayend up slipping.
• Neverdrain waterdirectlyon a roof. Usea drain
hose to runwater to the ground or to a rain gutter.
Beforeattemptingtoinstall thecooler,make
sure thefollowingpreparationshavebeen
made:
• Assurethatthe mountingsurface is strong enough
to bearthe weightof the cooler when in use;
remember thatwhen the systemfillswithwater,the
cooler will be much heavier thanwhen dry.For
operating weight,see accompanyingparts list.
• Makesure you haveadequate means for liftingthe
cooler in place.
• Checktheelectrical supplyto see that it matches
therequirements shownon the motor name plate.
• Makesure the mounting surface is levelin all
directions.
• Makesure anyductwork and electrical needs
complywithlocal, state, county and federal codes.
• Makesure cooler is secure to the standor leg kit
and that is secure tothe roof.
ffthecooleristobe mountedontheroof,construct
asuitableroofstandtosupporttheentireweightof
theunit.Aroofjackshouldnotbe usedtosupport
anyweightoftheunit.Werecommenda#785legkit
tosupporttheunitandtosecureittotheroof.Place
thecoolerovertheroofjackandpositionsothatit
islevel.Carefullysealthespacebetweentheroof
jackandbottomofcoolerwithcaulkingcompound,
silicone,asphaltor industrialsealingtapetoprevent
airleakage.Thencarefullysealtheroofjacktoroof
withasphaltor caulkingcompoundtopreventair
leakagefromcooleror rainwaterfromleaking
intoroof.
2 Evaporative Cooler Use and Care Manual
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