Friedrichdigital Control Features - Friedrich PTAC Series Installation & Operation Manual

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FriedrichDigital Control Features
The new Friedrich digital PTAC has state of the art features to improve guest comfort, 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 have only attempted - a quiet, dependable, affordable and easy to use PTAC.
Below is a list of standard features on every Friedrich PTAC and their benefit to the owner.
Digital Temperature Bydigitally monitoring desiredroomtemperature the roomiscontrolled moreprecisely thanconventional systems. T he large,easy
Readout to readLEDdisplaycanshoweitherset-point o r actualroomtemperature asselected by owner.
Whenthe unit is powered off the unit can be returned directlyto heatingor coolingmodeby pressing the 'Heat'or 'Coot'buttons
One-Touch Operation withouttheconfusingpower up sequence of somecontrols. O ne-touch control t akesguesswork outofunitcontrol d elivering amore
enjoyable experience andeliminating front-deskcalls.
Individual Mode and Byhavingseparate controlbuttonsandindicators forbothfan andmodesettingsthe Friedrich digitalcontrol e liminates the confu-
Fan Control Buttons sionof previous digitalPTACs. T heaccurate temperature settingprovidesgreaterguestcomfortthanothersystems.
Thefanstartandstopdelaysprevent a bruptchangesinroomacousticsduetothe compressor e nergizing or stoppingimmediately.
Quiet Start/Stop
Uponcall forcoolingor heatingtheunitfanwill runforfivesecondspriortoenergizing the compressor. Also,thefan off delayallows
Fan Delay for"free cooling"byutilizing the alreadycoolindoorcoil to its maximum capacitybyrunning for30 secondsafterthe compressor.
Remote Thermostat Someapplications requirethe use of a wall mountedthermostat. A ll newFriedrichPTACsmay be switchedfrom unit controlto
Operation remotethermostat c ontroleasilywithoutthe needto ordera specialmodelor accessory kit,
Wireless Remote Guestscanadjustthe temperature andmodeofthe unitthroughthe used an optional h andheldwirelessremote, i mproving guest
Control Ready comfortandrelaxation.
Internal Diagnostic The newFriedrich digitalPTACfeaturesa selfdiagnostic programthatcan alert maintenance t o component f ailuresor operating
Program problems, T heinternal d iagnostic program savesproperties valuable timewhen diagnosing running problems.
Service Error Code Theself diagnosis program wilI alsostoreerrorcodesinmemoryif certainconditions occurand correctthemselves such asex-
tremehighor low operating conditions or activation of the roomfreezeprotection feature,Storingerrorcodescan helpproperties
Storage determine if the unitfacedobscureconditions or if an erroroccurredandcorrecteditself.
Constant Comfort Theon-boardprocessor m onitors time betweendemand cycles(heator cool)andwilIcyclethefan every9 minutes to samplethe
roomcondition anddetermineif the desiredconditions aremet.Thisallowsthe roomto havesimilarbenefits to a remotemounted
Room Monitoring statwithoutthe complication or costofa wailmountedthermostat.
Electronic Temperature Bylimiting the operatingrangethe propertycansaveenergybyeliminating "maxcoot"or "maxheat"situations common witholder
uncontrolled systems. T henewelectronic control a llowsownerstoset operating rangesforbothheatingandcoolingindependently
Limiting of oneanother.
RoomFreeze
Protection
Random Compressor
Restart
DigitalDefrost
Thermostat
Whenthe PTACsensesthatthe indoorroomtemperature hasfallento 40° Fthe unitwill cycleon highfan andthe electricstripheat
to raisethe roomtemperature to 46°F thencycleoff again.Thisfeature works regardless o f the modeselected andcan beturned
off. Thecontrol w ill alsostorethe RoomFreezecycleinthe servicecodememory for retrieval a ta laterdate.Thisfeatureensures
thatunoccupied roomsdo notreachfreezinglevelswheredamage can occurto plumbing andfixtures.
Multiplecompressors startingat oncecan oftencauseelectrical o verloads and premature unitfailure.The randomrestartdelay
eliminates multipleunitsfrom startingat oncefollowinga poweroutageor initialpowerup, The compressor d elaywill rangefrom
180to 240seconds.
The newFriedrichPTACusesa digitalthermostat t o accuratelymonitor the outdoorcoil conditions to allowthe heatpumpto run
wheneverconditionsarecorrect,Runningthe PTACin heatpump modesaveenergyandreducesoperatingcosts.The digital
thermostat a llowsmaximization o f heatpumpruntime.