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920-087-04 (8-05)
FriedrichDigitalControlFeatures
The new Friedrich digital PTAC has state of the art features to improve guestcomfort, indoor air quality and conserve energy.
Through the use of specifically designed control software for the PTAC industry Ffiedfich has accomplished what other Manufactur-
er's haveonly attempted - a quiet, dependable, affordable and easy to use PTAC.
Below is a list of standard features on every Friedrich PTACand their benefit to the owner.
Digital Temperature Bydigitallymonitoringdesiredroomtemperaturetheroomiscontrolledmorepreciselythanconventionalsystems.Thelarge,easy
Readout toreadLEDdisplaycanshoweitherset-pointor actualroomtemperatureasselectedbyowner.
Whentheunitispoweredofftheunitcanbereturneddirectlytoheatingorcoolingmodebypressingthe 'Heat'or 'Coot'buttons
One-Touch Operation withouttheconfusingpowerupsequenceofsomecontrols.One-touchcontroltakesguessworkoutofunitcontroldeliveringamore
enjoyableexperienceandeliminatingfront-deskcalls.
Individual Mode and ByhavingseparatecontrolbuttonsandindicatorsforbothfanandmodesettingstheFriedrichdigitalcontroleliminatestheconfu-
Fan Control Buttons sionofpreviousdigitalPTACs.Theaccuratetemperaturesettingprovidesgreaterguestcomfortthanothersystems.
Thefanstartandstopdelayspreventabruptchangesinroomacousticsduetothecompressorenergizingorstoppingimmediately.
Quiet Start/Stop
Uponcallforcoolingorheatingtheunitfanwillrunforfivesecondspriortoenergizingthecompressor.Also,thefanoffdelayallows
Fan Delay for"free cooling"byutilizingthealreadycoolindoorcoiltoitsmaximumcapacitybyrunningfor30secondsafterthecompressor.
Remote Thermostat Someapplicationsrequirethe useofa wallmountedthermostat.All newFriedrichPTACsmaybeswitchedfromunitcontrolto
Operation remotethermostatcontroleasilywithouttheneedtoordera specialmodeloraccessorykit,
Wireless Remote Guestscanadjustthetemperatureandmodeoftheunitthroughtheused anoptionalhandheldwirelessremote,improvingguest
Control Ready comfortandrelaxation.
Internal Diagnostic ThenewFriedrichdigitalPTACfeaturesa selfdiagnosticprogramthatcanalertmaintenancetocomponentfailuresoroperating
Program problems,Theinternaldiagnosticprogramsavespropertiesvaluabletimewhendiagnosingrunningproblems.
Service ErrorCode Theself diagnosisprogramwilIalsostoreerrorcodesinmemoryif certainconditionsoccurand correctthemselvessuchasex-
tremehighorlowoperatingconditionsor activationoftheroomfreezeprotectionfeature,Storingerrorcodescanhelpproperties
Storage determineiftheunitfacedobscureconditionsorifanerroroccurredandcorrecteditself.
Constant Comfort Theon-boardprocessormonitorstimebetweendemandcycles(heatorcool)andwilIcyclethefanevery9 minutestosamplethe
roomconditionanddetermineifthedesiredconditionsaremet.Thisallowstheroomtohavesimilarbenefitstoaremotemounted
Room Monitoring statwithoutthecomplicationor costofawailmountedthermostat.
Electronic Temperature Bylimitingtheoperatingrangethepropertycansaveenergybyeliminating"maxcoot"or"maxheat"situationscommonwitholder
uncontrolledsystems.Thenewelectroniccontrolallowsownerstosetoperatingrangesforbothheatingandcoolingindependently
Limiting ofoneanother.
RoomFreeze
Protection
RandomCompressor
Restart
DigitalDefrost
Thermostat
WhenthePTACsensesthattheindoorroomtemperaturehasfallento40°Ftheunitwillcycleonhighfanandtheelectricstripheat
toraisetheroomtemperatureto46°Fthencycleoff again.Thisfeatureworksregardlessofthemodeselectedandcanbeturned
off.ThecontrolwillalsostoretheRoomFreezecycleintheservicecodememoryfor retrievalata laterdate.Thisfeatureensures
thatunoccupiedroomsdo notreachfreezinglevelswheredamagecanoccurtoplumbingandfixtures.
Multiplecompressorsstartingatoncecanoftencauseelectricaloverloadsandprematureunitfailure.Therandomrestartdelay
eliminatesmultipleunitsfromstartingatoncefollowingapoweroutageor initialpowerup,Thecompressordelaywillrangefrom
180to240seconds.
ThenewFriedrichPTACusesadigitalthermostattoaccuratelymonitortheoutdoorcoilconditionstoallowthe heatpumpto run
wheneverconditionsarecorrect,Runningthe PTACin heatpumpmodesaveenergyandreducesoperatingcosts.Thedigital
thermostatallowsmaximizationofheatpumpruntime.
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