Carrier INFINITIR 15 SEER 48XT-A user manual

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48XT---A
Infinityr 15SEER
Single Packaged HYBRIDHEATr Dual Fuel System
with PuronR (R---410A) Refrigerant
Owner’s Information Manual
Fig.1-- Unit48XT--A
NOTETOEQUIPMENTOWNER:
For your convenience, please record the model and serial numbers of your new equipment in the spaces
provided. This information, along with the installation data and dealer contact information, will be helpful
should your system require maintenance or service.
UNITINFORMATION INSTALLATIONINFORMATION
Model # ________________

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Note:Installer:Thismanualshouldbeleftwiththeequipmentuser. ! SAFETYCONSIDERATIONS WARNING Improperinstallation,adjustment,alteration,servicemaintenance, FIREANDEXPLOSIONHAZARD or use can cause explosion, fire, electrical shock, or other Whatto do ifyou smellgas: conditions which may cause death, personal injury, or property 1.Donottrytolightanyappliance. damage. Consult a qualified installer, service agency, or your 2.Donottouchanyelectricalswitch;donotuseanyphonein distributor or branch for inf

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3. Turnofftheelectricalsupplytotheunit. WARNING ! 4. Removethefrontaccesspanelwith a5/16--in.nutdriver. FIREANDEXPLOSIONHAZARD 5. MovetheselectorswitchontheinternalgasvalvetotheOFF position and wait5 minutes. Failuretofollowthiswarningcouldresultinpersonalinjury, death,and/orpropertydamage. 6. MovetheselectorswitchontheinternalgasvalvetotheON 1.Ifthemainburnersfailtolight,ortheblowerfailstostart, position. shutdowngasheatingsectionandcallyourdealerforservice. 7. Replacethefrontaccesspanel. 2.Nev

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3. Turnofftheelectricalpowersupplytotheunit. ! WARNING Note:HeatPumpheatingmodeprocedureissimilartoelectric coolingmodeexceptthermostatmodeisHEATandUImust FIRE,EXPLOSION,ELECTRICALSHOCKHAZARD operateonfirststageheatingabovethebalancepointthathas Failuretofollowthiswarningcouldresultinpersonalinjury, been determined by theDealer. death orproperty damage. OPERATINGYOURUNIT BEFORE SERVICING OR PERFORMING MAINTE- NANCEONYOURUNIT: Theoperation ofyourunitiscontrolled by theInfinityr UI. You 1. TURNOFF

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Fansand FanMotors RegularDealerMaintenance Inadditiontothetypeofroutinemaintenanceyoumightbewilling Periodicallychecktheconditionoffanwheelsandhousingsandfan to perform,your unitshould beinspected regularly by aproperly motorshaftbearings.Contactyourdealerfortherequired annual trainedservicetechnician.Aninspection(preferablyeachyear,but maintenance. atleasteveryotheryear)shouldincludethefollowing: IndoorandOutdoorCoils 1. Inspection and, if required, cleaning of the outdoor and Cleaningofthecoil

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E N S E P O O L C MAIN ON 55 OFF STEP 1 STEP 2 STEP 3 STEP 5 STEP 4 STEP 6 STEP 7 MAIN ON 72 OFF STEP 8 STEP 9 STEP 10 A09133 Fig.4-- ToStartUnitGasHeat 6

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E S O L C MAIN ON 55 OFF STEP 1 STEP 2 STEP 3 STEP 4 STEP 5 STEP 6 A09134 Fig.5 -- ToShut--offUnitGasHeat 7

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E S O L C MAIN ON 90 OFF STEP 1 STEP 2 STEP 3 STEP 4 STEP 5 MAIN ON OFF STEP 6 STEP 7 72 STEP 8 A09135 Fig.6-- ToStartUnitElectricCooling 8

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E S O L C MAIN ON 90 OFF STEP 1 STEP 2 STEP 3 A07797 Fig.7 -- ToShut--offUnitElectricCooling 9

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HEATING & COOLING TO OBTAIN INFORMATION ON PARTS: Consult your installing dealer or classified section of your local telephone directory under the “Heating Equipment” or “Air Conditioning Contractors & Systems” heading for dealer listing by brand name. Have available the Model No., Series Letter, & Serial No. of your equipment to ensure correct replacement part. Copyright 2009 CarrierCorporation EditionDate: 03/09 CatalogNo:OM48XT---01 Manufacturer reserves therighttochange,atanytime,specificati