
ImportantInstallationNotesforAir
Seal
Ambient
Air
Path
Enclosure
InternalAir
Path
MountingStyles:
Vertical(Side/Front/Back)Mounting:
CondensateRemovalSystem:
TopMounting:
Maintenance:
Cautions:
Notesoncondensation:
Both‘thrumount’and‘flushmount’unitscanbe
positionedinanyorientationandonanyenclosuresurface.Itisimportant
toconsiderinteriorairflowpatternswhendeterminingthemounting
location.Alsoofimportanceisanunrestrictedflowofambientairthru
thehotsideheatexchanger.Easeofaccessandinspectionmust
beconsideredforthoseapplicationsinparticularlysevere
environmentswhichmayrequireoccasionalmaintenance.
Verticalmountingreferstotheverticaldirectionofthecold
sideorinteriorfinsandisrecommendedforapplicationswith
highhumidity,poorandincompletecabinetsealsorany
conditionwhichmaycausethecoldsidefinstobemaintained
attemperaturesbelowthedewpointforlongperiodsoftime
allowingfortheformationofcondensation.Theverticalfin
directionprovidesadrippathwhereuponcondensationcanbe
collectedviaamoistureremovalsystem(standardonFHP-
units)oradrippanpositionedbelowthecoldsidefins.Drippansare
optionalforthrumountunits.
AllFHP-SeriesandAHP-1400airconditionerscontainabuilt-incondensateremovalsystem.Thecondensatekit
consistsofaantifungalspongewithacondensatewick.PVCtubingisalsoprovidedfordrainage.Drippansare
optionalforthrumountunitswhichmustbeevaluatedonanindividualbasis.Equationsdefiningarelationshipbetween
thecoldsidefinandenclosuretemperaturesareprovidedtoassistintheevaluation.
Thoughoftentheeasiestlocationtomountitisoftenthemostdifficulttoprotectfromcondensationinthisorientation
duetothefinorientation,gravityandanysusceptiblecomponentsbelow.Ifadrippanisemployedbytheenduseruse
cautiontoplacethepanfarenoughawayfromtheinternalfantominimizetherestrictionofairflow.Thepanshould
coverthefinendsaswellasthefanarea.Whenthereisachoice,theverticalorientationispreferredbymost
users.
Sincethetechnologyissolid-state,therearenofilters,compressors,orfluorocarbonstomaintain.Theonlymoving
partsarethefans.Itisrecommendedforharshordirtyenvironmentsthattheheatsinksbecleanedfromtimeto
time.ThiscanbeaccomplishedbydirectingcompressedairovertheexternalfinsoronNEMA4versionsbyhosing
theunitdown.Thiswillincreasetheoveralllifeandperformanceofthesystem.
Takecarewhenmountingnottodamagethesealbetweenthehotandcoldsidesinks.Donotattempttomountaunit
toawarpedsurfaceortrytomaketheunitsmountingsurfaceconformtoanunflatsurface.Donotpinchordamage
anyleadswhenmounting.Donotovertightenanyinstallationscrew,usereasonableforce.Alwaysmountwithany
condensatedraindown.Donotcompressthecoldsidebetweenthehotsideandanyothersurface.Donotobstruct
theairflowoneitherside.Whenmountingconsiderthenaturalairflowsoftheenclosure.Connectpoweronlyafterthe
installationiscomplete.
Condensationoccursat thecoldsidefinswhenthesurfacetemperaturegoesbelowthedewpoint.Toreduceor
removecondensate,considerthefollowing:
•RegulatetheFinTemperatureabovetheDewpoint.
•KeepEnclosureClosedandSealedfromOutsideHumidity.
•UseDesiccant(MoistureabsorbingGranules.)
•EmployCondensateRemovalSystem/DripPans.
Ifyouhaveanyquestionsregardingyourinstallation,Pleasefeelfreetocontactourtechnicaldepartmentforassistance
at773-342-4900.