Carrier 48SX User's Manual
Contents
1. YAUM L 241 SEM pjo MOU Yonpo d JusweseIdsi e SEM SIND I S l o pswewun O z powew O i WEISASAIB j a snjejs MEN OL 21 u99 ou qua Bu pomp BuiAng Jaye sued p R C1 9 AAA wwe eee zo cu u un u ee ee LU IS S lr de enuas ou YAM Guljamp BujAng see sies p z O 6 919H PIOZ D 1940 969 O 9 ua s s He euas D ross O S ou yum Buljemp Mau BulAng jo sead e UII OP vs O y UJSIS S JaLIEN UOL Japlo Ue scedda o O bese O LI JS S 1911189 Japo ve aseda 01 O Z ves I E Bunjemp meu jo eseyolnd tod D 1 Una che Gila ig onpoid Jeuies Inoi asinboe noA pip veyM y u duind aH O soguuny 91119913 O B N O QU SJU AF SPY eININD Bulpuany O 62 IBABIL uiad O 8z yuswd nbg s snyy 091918 VE G F sa uO9 somejsdooms pajejua G jew ul P8A18994 JOJO WOJ Way ue yy8nog O F JO Ajayelpeuuuw ew pue yoezap Sjajduloo LNYLHOdNI 343H 3dV1 HO 31d4V1 S NOLLVHLSIO3IH LONGOHd TIVN INV HOVL3O Bujood spooy yowunosy O OE i i sanbnuy y HY O 92 Jeun sey 1 gZ SU01 991109 501911281109 O Gz derroto uc Me Beene J8UO MPUO9 Ale enua O syen O rz 3seyoind nod pip yonpoid jawed Jyeym e yloma paen Bulmes O Ez j uodnos jonpoid e psaweepsy O WOM aAOWOINY D zz kidde jey 112 49249 syjuow JA Aeg OW iuo 19813 O 2 9 jsed ayy ul SUOP noA aney Bul Mojo au JO ya yM 78 i 7 OJTIVISNI31VO 2 j9npold ino Inoge suoysa ns2. ice or maintenance can cause injury or prop erty damage Refer to this manual For assistance or additional information consult a qualified in staller service agency or the gas supplier Model 48SS Without Base Rail Shown PC 111 4 Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations 1a 6a Book 1 Tab Your combination heating cooling unit is equipped with an automatic direct spark ignition and power combustion blower 44 WARNING Do not attempt to light by hand personal injury may result TO LIGHT UNIT 4 DANGER 1 Do not turn off the electrical power to unit without first turning off the gas supply 2 Before attempting to start the gas heating section fa miliarize yourself with all the procedures that must be followed If you do not follow these instructions exactly a fire or explosion may result causing property damage injury or loss of life Refer to Fig 1 See Fig 2 for location of gas valve Refer to Fig 3 while proceeding with the following steps Step 1 Set the temperature selector on room thermo stat to the lowest temperature setting and set system switch to HEAT Step 2 Close the external manual shutoff valve Step 3 Turn off the electrical supply to the unit Step 4 Remove the burner access panel with a c6 in nut driver Step 5 Turn the control switch on the in
3. y sjuawWwos 19410 s ue g buluepies D 02 O samalas JBSINOA OG GOYSHIOAA SWOH O GL ON 171838 Hun pue sjonpoid yons ynoge uses 0 JOU Jajsid pjnom nok oipey 90 O gl uo syeldaweu Woj JO Jayde ul pres sejnduoo Wo Adon ON 1300W jf aay YOOYD SSA SAOQE PayesIpUul SAgU NO UOIBUIOJUI AudesBoloyd O 4h lo ok ae 1 Fr IT IE ITT TTT TTT s0uj0o pue sesje 15919JU ay 0 pajejas 0935 spuen sjusw OM rt a 9IySA euoiealday O SL dogsasp syonpoid meu noge UONEULOJUI 94199094 URI NO Gulpsooay 09SPIA SWOH O S Agqs ayum weaBoid Auedwos ynw e ur syedisined am eln3ny 951919X3 589U4H 4 BOIS UG O FL sy u ayaq noA amas sn djay IM papiao0id UOINBJ JUI saweg OSPIA BWOH O EL diz SEIS AHO 94 p129 siy 9 a dwWos 07 sum aw Burger noA ajeraldde em Buno 91010N BUINIQIOJON O ZL SEIHANOY OIMO AMUNWWOD O Zr peels oes I l 199115 sue 18014 JUBWIBAOIdUI 198 O Lp Neog tek sg EE tie ea oe eal TITEL 79 neue el 05 nor Qse7 18114 115113 PWEN le OS Bauen oO 5 3968 SSA Dr SA DE SIN O z UW O Lt ynosg ABojquisy O gg 6 5 a uoa euas O VE nooysjununn E 9 paeo siy jo Un ay uodn Juepuedep JOU sj SBEISAOO JUBJJEM INOA Buipeay 4oog pity O 9 Sun buiduieo O S 3SIYV 033N IHL AINOHS NOA NIAJLLON NI SN LSISSY TIUM sede y sprodey O Se Bubbor Buuung O r LONGOYd UNO
4. A 40 SHISWNN TVIYIS ANV 1300W JHL ANY SSIHGGY ONY JWYN NOA LINGOHd SIHL ONI Buneiodeg sBurysjung ewoH O pe Bug mous O ATICANI STIVII ANY JO Q3lJILON 39 NOA LVYHL SAYINOAY LOV ALJJYS LONGOYd HINNSN S 1743033 JHL Sulyio 9 uorysey O geg 405 O e SOUIM O TE tt Ee i NOILVHLSIDIH LONGOUd SPOO4 fe nen ulesH O LES fofua Away anod pue nod op sajqqoy pue sjsa1aqu Buimojjo ay jo yorum gt MODEL 48SS WARRANTY aii i iit i k i I h k h h i i k h k l k k I l k i I k k l h l i I i i hl k k l CARRIER CORPORATION FIRST yours is a new residence SECOND THIRD Contact P O Box 4808 Syracuse New York 13221 Model No Date of Installation Name of Owner Ng NN IF YOUR UNIT DOES NOT WORK FOLLOW THESE STEPS IN ORDER Contact the installer You may find his name on the product or in your Homeowner s Packet If his name is not known call your builder if Contact the nearest CARRIER distributor See telephone yellow pages CARRIER CORPORATION Consumer Relations Department Phone 1 800 CARRIER 227 7437 Se TUT OO I Outdoor Cooling Heating Cooling or Heating Product Units Smaller Than 185 000 Btuh Cooling Capacity Unit Serial No Installed by Address of Installation TROPPO PPR Limited Warranty ONE YEAR WARRANTY This CARRIER CORPORATION herein after referred to as COMPANY product is warranted to be free from defects in material
5. CU CU CO cf 48SX Combination Gas Heating Electric Cooling Units Un gt E Lu LL lt Y CL gt O gt am O LL WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance If you cannot reach your gas supplier a neighbor s phone Follow the gas sup call the fire department use any phone in your building plier s instructions e Do not touch any electrical switch do not e Immediately call your gas supplier from adjustment alteration serv WARNING Before performing recommended maintenance be sure gas supply and main power switch to SSS SSI SIA SE AAA IIA STS ESTES NR IAN ARA SISSI SSI SII OO AO DAA I N Q IV LTR ERT Vi NK III II AH marie ee AAEE EAA AY unit are turned off Electrical shock could cause personal injury AAA AA AANA AVA lll NA Model 48SX With Optional Base Rail Replaces 48SS SX 2SO 5 98 Pg 1 Printed in U S A Form 48SS SX 3SO Catalog No 564 993 44 WARNING Improper installation A Guide To Operating and Maintaining Your Gas Heating Electric Cooling NOTE TO INSTALLER This manual should be left with the equipment owner FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors and liquids in the vicin ity of this or any other appliance s s re EEE gt
6. ER MAINTENANCE In addition to the type of routine maintenance you might be willing to perform your unit should be inspected regu larly by a properly trained service technician An inspection preferably each year but at least every other year should include the following 1 Inspection of all flue product passages including the burners heat exchanger and flue collector box 2 Inspection of all combustion and ventilation air pas sages and openings 3 Close inspection of all gas pipes leading to and inside of your unit 4 Inspection and if required cleaning of the condenser and evaporator coils 5 Inspection and if required cleaning of the evaporator drain pan 6 Inspection and cleaning of blower wheel housing and motor 7 Inspection of all supply air and return air ducts for leaks obstructions and insulation integrity Any problems found should be resolved at this time 8 Inspection of the unit base to ensure that no cracks gaps etc exist which may cause a hazardous condition 9 Inspection of the unit casing for signs of deterioration 10 Inspection of all electrical wiring and components to as sure proper connection 11 Inspection for leaks in the refrigerant circuit Pressure check to determine appropriate refrigerant charge 12 Inspection of compressor oil level 13 Operational check of the unit to determine working con ditions Repair or adjustment should be made at this time Your
7. L LITA I BILDE gt tT LL LLL STAY UL TE TMM AS AY A LEDTE BURNER ACCESS PANEL Fig 1 Gas Heating Electric Cooling Unit Unit 48SS Shown TO SHUT UNIT OFF 44 WARNING Do not turn off the electrical power to unit without first turning off the gas supply Failure to follow these procedures can result in serious fire or personal injury NOTE If unit is being shut down because the heating sea son has ended make sure to turn on power to cooling system If unit is being shut down because of a malfunction call your dealer as soon as possible Should overheating occur or the gas supply fail to shut off shut off the manual gas valve to the unit before shutting off the electrical supply Do not use this unit if any part has been under water Im mediately call a qualified service technician to inspect the unit and to replace any part of the control system and any gas control which has been under water Refer to Fig 4 while proceeding with the following steps Step 1 Set the temperature selector on room thermo stat to lowest temperature setting and set system switch to OFF Step 2 Close the external manual shutoff valve Step 3 Turn off the electrical power supply to the unit Step 4 Remove the burner access panel Step 5 Turn the control switch on the internal gas valve to the OFF position Step 6 Replace the burner access panel Step 7 Restore electr
8. N THIS WARRANTY ARE EXCLUSIVE AND MAY NOT BE ALTERED ENLARGED OR CHANGED BY ANY DISTRIBUTOR DEALER OR OTHER PERSON WHATSOEVER ALL WORK UNDER THE TERMS OF THIS WARRANTY SHALL BE PERFORMED DURING NORMAL WORKING HOURS ALL REPLACEMENT PARTS WHETHER NEW OR REMANUFACTURED ASSUME AS THEIR WARRANTY PERIOD ONLY THE REMAINING TIME PERIOD OF THIS WARRANTY THE COMPANY WILL NOT BE RESPONSIBLE FOR 1 Normal maintenance as outlined in the installation and servicing instructions or owners manual including coil cleaning filter cleaning and or replacement and lubrication 2 Damage or repairs required as a consequence of faulty installation misapplication abuse improper servicing unauthorized alteration or improper operation 3 Failure to start due to voltage conditions blown fuses open circuit breakers or other damages due to the inadequacy or interruption of electrical service 4 Damage as a result of floods winds fires lightning accidents corrosive environments or other conditions beyond the control of the COMPANY 5 Parts not supplied or designated by the COMPANY or damages resulting from their use 6 COMPANY products installed outside the continental U S A Alaska Hawaii and Canada 7 Electricity or fuel costs or increases in electricity or fuel costs from any reason whatsoever including additional or unusual use of supplemental electric heat 8 ANY SPECIAL INDIRECT OR CONSEQUENTIAL PROPERTY OR COMMER CIAL DAMAGE OF A
9. NY NATURE WHATSOEVER Some states do not allow the exclusion of incidental or consequential damages so the above limitation may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state Effective on product manufactured after July 1 1987 Supersedes any other warranty certificates supplied with the product Copyright 1998 Carrier Corporation Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 1 4 PC 111 Catalog No 564 993 Printed in U S A Form 485S SX 3SO Pg 12 5 98 Replaces 48SS SX 2SO Tab ae
10. UR UNIT DOES NOT WORK FOLLOW THESE STEPS IN ORDER Contact the installer You may find his name on the product or in your Homeowner s Packet If his name is not known call your builder if Contact the nearest CARRIER distributor See telephone yellow pages CARRIER CORPORATION Consumer Relations Department Phone 1 800 CARRIER 227 7437 TT TTD ab bt abe bladet betale VU Outdoor Cooling Heating Cooling or Heating Product Units Smaller Than 185 000 Btuh Cooling Capacity Unit Serial No Installed by Address of Installation HRP Limited Warranty ONE YEAR WARRANTY This CARRIER CORPORATION herein after referred to as COMPANY product is warranted to be free from defects in material and workmanship under normal use and maintenance for a period of one year from the date of original installation whether or not actual use begins on that date A new or remanufactured part at the COMPANY S sole option to replace any defective part will be provided without charge for the part itself PROVIDED the defective part is returned to our distributor through a qualified servicing dealer The replacement part assumes the unused portion of the warranty THIS WARRANTY DOES NOT INCLUDE LABOR OR OTHER COSTS incurred for diagnosing repairing removing installing shipping servicing or handling of either defective parts or replacement parts or complete unit Such costs may be covered by a separate warranty provided by the instal
11. and workmanship under normal use and maintenance for a period of one year from the date of original installation whether or not actual use begins on that date A new or remanufactured part at the COMPANY S sole option to replace any defective part will be provided without charge for the part itself PROVIDED the defective part is returned to our distributor through a qualified servicing dealer The replacement part assumes the unused portion of the warranty THIS WARRANTY DOES NOT INCLUDE LABOR OR OTHER COSTS incurred for diagnosing repairing removing installing shipping servicing or handling of either defective parts or replacement parts or complete unit Such costs may be covered by a separate warranty provided by the installer EXTENDED 4 YEAR WARRANTY ON COMPRESSOR ONLY During the second through fifth years after the date of original installation the COMPANY further warrants the compressor against defects in material or workmanship under normal use and maintenance A new or remanufactured compressor at the COMPANY S sole option will be provided under the same conditions as stated in the ONE YEAR WARRANTY EXTENDED 9 YEAR WARRANTY ON GAS FIRED HEAT EXCHANGER ONLY During the second through tenth years after the date of original installation the COMPANY further warrants the gas fired heat exchanger against defects in material or workmanship under normal use and maintenance A new or remanufactured heat exchanger at the COMPANY S s
12. e kept free of all obstructions to en sure proper cooling Contact your dealer for any required service FLUE HOOD GAS VALVE BURNERS Fig 2 Gas Heating Electric Cooling Unit Unit 48SS Shown MAIN a pm rr pl e o co m Q Te O uw OFF STEP 3 STEP 2 STEP 1 STEP 5 STEP 4 STEP 7 STEP 6 50 60 70 80 La LJ pr _ OFF STEP 10 STEP 9 STEP 8 Fig 3 To Light Unit MAIN OF F STEP 1 STEP 2 STEP 3 STEP 4 STEP 7 Fig 4 To Shut Unit Off FILTER ACCESS PANEL Fig 5 Filter Access Panel Vertical Supply Shown Electrical Controls and Wiring Electrical con trols are difficult to check without proper instrumentation therefore if there are any discrepancies in the operating cycle contact your dealer and request service Refrigerant Circuit The refrigerant circuit is diffi cult to check for leaks without the proper equipment there fore if inadequate cooling is suspected contact your local dealer for service Combustion Area and Vent System The com bustion area and vent system should be inspected visually before each heating season The normal accumulation of dirt soot rust and scale can result in
13. en shut off for safety reasons Otherwise you may open the valve and follow the start up procedures listed in this manual NOTE Before proceeding with the next check turn OFF the gas supply then the electrical power supply to the unit Remove the control access door During the heating season check the control switch on the internal gas valve Is it in the ON position If it is not be sure it was not turned off for the purpose of safety If no safety hazards exist follow the start up procedures in this manual If your unit still fails to operate call your servicing dealer for troubleshooting and repairs Specify the model and serial numbers of your unit Record them in this manual in the space provided If the dealer knows exactly which unit you have he may be able to offer suggestions over the phone or save valuable time through knowledgeable preparation for the service call IN CASE OF TROUBLE If after performing the above and unit performance is still unsatisfactory shut off the unit and call your dealer Dealer s Name Telephone Unit Model Unit Serial Number TA juepms 10 SN Q UBLISHYEIO JE 109 SYMBOL BIO 040000 i By S PPIUAN SD1A198 S9 ES Ae ds p seyeag O bh paney O 8 ioyensiuWpy OW ddn spe suizedew O OL BHMASNOH O Z IEOIUYO EUOISSOJOIA spe sodedsmon 6 auo 49949 UOIJEANIIO INGA SI jeum SE i SPE NL I 8 Spe oip
14. ey Z ER i o Aunqejere Apeay O 9 919 2103s juawyedap sey g Aguayo Asu O Ss tsja ebreyo asen yueg O 7 d O tv i eqouejg sueo anio uonepuewwosa Ssa eaquO ORNUOD O saug sseidxq veopawy JU LULIBJI JUFJJGABAL O cL E i asn no Op spies ypals yo sedA Buymoyjo l TA sg ODEIOIO P Spied HIPO y BuyMo jO s 9113 JO YOIUM FL uoneindaiiaueg O Y 1208 p d 0 1SAUSQ F ZeSeyoind noA paouanjul 39344 SIOJDE Z EUM 2 Ene Juewpede ue way O F i 989 L xog O d UINIUIWOPUOISSNOYUMO e UMO O E yo O OL 6 esnoy e uap O 2 Buipjing petal Mab G 6 191ua7 uonensiBay npo gesnoye uno D A e e 1 o 1 H p d no op u pys a gud o 104 EL o 5 ONINOLLIGNOO HIV HIIHHVO Bli Son yu DS i i S100 ueWpeEdy O y 81 91 eby D z Say D awou s gow O i Gl et O 9 e aby O e SHUN p Z AWB INN O z ckil ady OG g abe sapun O ssnoyumoj Allwej ejfuis O 4 awoy je Bula 98 oym sdnoiB u pajjeisui st JONPOIA 19118 INO 9 abe Gurmo joy y jo Aue ul Uap Aue aaey nod og ZL SJPS iaa 981 O 9 SIea E J43H 4910 000058 O OL 666 6e 000 Gef O G ale Ei dINVIS i SJEG pl ZL O F SSV19 ISHI4 666 6r C00 Sr O 6 666 es 00002 LI roe EAR E rot i SJ LL 6 O 666 6E 000 SE O 2 666 71 000 01 D 7 SEGEL OL 666 PE 000 0E O 9 000 0L Jopun O L s uu io 7 geuloous e INOA Sequosep yseq noI
15. ical power to the unit and set sys tem switch to COOL to ensure operation of the cooling sys tem during the cooling season ROUTINE MAINTENANCE All routine maintenance should be handled by skilled ex perienced personnel Your dealer can help you establish a standard procedure For your safety keep the unit area clear and free of com bustible materials gasoline and other flammable liquids and vapors To assure proper functioning of the unit flow of combus tion and ventilating air must not be obstructed from reaching the unit Clearance of at least 30 in is required on all sides except the duct side MAINTENANCE AND CARE FOR THE EQUIPMENT OWNER Before proceeding with those things you might want to maintain yourself please carefully consider the following 44 WARNING 1 TURN OFF GAS SUPPLY AND ELECTRICAL POWER TO YOUR UNIT BEFORE SERVICING OR PERFORMING MAINTENANCE 2 Do not turn off electrical power to this unit without first turning off the gas supply 3 When removing access panels or performing main tenance functions inside your unit be aware of sharp sheet metal parts and screws Although special care is taken to reduce sharp edges to a minimum be ex tremely careful when handling parts or reaching into the unit Air Filters Air filter s should be checked at least ev ery 3 or 4 weeks and changed or cleaned whenever it be comes dirty Dirty filters produce excessive stress on the blower motor a
16. ler EXTENDED 9 YEAR WARRANTY ON COMPRESSOR ONLY During the second through fifth years after the date of original installation the COMPANY further warrants the compressor against defects In material or workmanship under normal use and maintenance A new or remanufactured compressor at the COMPANY S sole option will be provided under the same conditions as stated in the ONE YEAR WARRANTY EXTENDED 9 YEAR WARRANTY ON GAS FIRED HEAT EXCHANGER ONLY During the second through tenth years after the date of original installation the COMPANY further warrants the gas fired heat exchanger against defects in material or workmanship under normal use and maintenance A new or remanufactured heat exchanger at the COMPANY S sole option will be provided under the same conditions as stated in the ONE YEAR WARRANTY THESE EXTENDED WARRANTIES DO NOT INCLUDE LABOR OR OTHER COSTS incurred for diagnosing repairing removing installing shipping servicing or handling of either defective parts or replacement parts THESE WARRANTIES APPLY ONLY TO PRODUCTS IN THEIR ORIGINAL INSTALLATION LOCATION AND BECOME VOID UPON REINSTALLATION LIMITATIONS OF WARRANTIES ALL IMPLIED WARRANTIES INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY ARE HEREBY LIMITED IN DURATION TO THE PERIOD FOR WHICH THE LIMITED WARRANTY IS GIVEN SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE MAY NOT APPLY TO YOU THE EXPRESSED WARRANTIES MADE I
17. loss of efficiency and im proper performance if allowed to build up 4 CAUTION If your unit makes an especially loud noise when the main burners are ignited shut down the heating section and call your dealer Proceed as follows to inspect the combustion area and power venting system of your unit 1 Turn off electrical power and gas supply to your unit 2 Remove burner access panel See Fig 1 3 Using a flashlight carefully inspect the burner areas for dirt soot rust or scale See Fig 2 4 CAUTION If dirt soot rust or scale accumulations are found call your dealer and do not operate your heating sec tion 4 When you have completed your inspection follow the start up procedures in this manual to restore your unit to operation 5 Observe unit heating operation A WARNING Components in heat section may be hot after unit has been started up When observing flame be care ful not to get close to or touch heating components or serious personal injury may result Watch the burner flame to see if it is bright blue If you observe a suspected malfunction or if the burner flames are not bright blue call your dealer 6 Replace burner access panel Unit Panels After performing any maintenance or serv ice on the unit be sure all panels are fastened securely in place to prevent rain from entering unit cabinet and to pre vent disruption of the correct unit airflow pattern REGULAR DEAL
18. nd can cause the motor to overheat and shut down Table 1 indicates the correct filter size for your unit Refer to Fig 5 to access the filter s To replace or inspect filter s or accessory filter rack when supplied 1 Remove the filter access panel using a c in nut driver 2 Remove the filter s by pulling the filter s out of the unit If the filter s is dirty clean or replace with new one When installing the new filter s note the direction of the airflow arrows on the filter frame If you have difficulty in locating your air filter s or if you have questions concerning proper filter maintenance con tact your dealer for instructions When replacing filters al ways use the same size and type of filter that was supplied originally by the installer Table 1 Indoor Air Filter Data UNIT SIZE 48SS 018 024 030 036 NT 048 060 Filter Size 20 x 20 20 x 24 24 x 24 24 x 30 UNIT SIZE 48SX 024 036 042 060 Filter Size 24 x 24 24 x 30 44 WARNING Never operate your unit without filters in place Failure to heed this warning may result in damage to the blower motor and or compressor An accumulation of dust and lint on internal parts of your unit can cause loss of ef ficiency and in some cases fire Heat Exchanger To ensure dependable and efficient heating operation the heat exchanger should be checked by a qualified maintenance person before each heating season and cleaned when necessary This check
19. ole option will be provided under the same conditions as stated inthe ONE YEAR WARRANTY THESE EXTENDED WARRANTIES DO NOT INCLUDE LABOR OR OTHER COSTS incurred for diagnosing repairing removing installing shipping servicing or handling of either defective parts or replacement parts THESE WARRANTIES APPLY ONLY TO PRODUCTS IN THEIR ORIGINAL INSTALLATION LOCATION AND BECOME VOID UPON REINSTALLATION 11 This warranty gives you specific legal rights and you may also have other rights which vary from state to state Effective on product manufactured after July 1 1987 Supersedes any other warranty certificates supplied with the product LIMITATIONS OF WARRANTIES ALL IMPLIED WARRANTIES INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY ARE HEREBY LIMITED IN DURATION TO THE PERIOD FOR WHICH THE LIMITED WARRANTY IS GIVEN SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE MAY NOT APPLY TO YOU THE EXPRESSED WARRANTIES MADE IN THIS WARRANTY ARE EXCLUSIVE AND MAY NOT BE ALTERED ENLARGED OR CHANGED BY ANY DISTRIBUTOR DEALER OR OTHER PERSON WHATSOEVER ALL WORK UNDER THE TERMS OF THIS WARRANTY SHALL BE PERFORMED DURING NORMAL WORKING HOURS ALL REPLACEMENT PARTS WHETHER NEW OR REMANUFACTURED ASSUME AS THEIR WARRANTY PERIOD ONLY THE REMAINING TIME PERIOD OF THIS WARRANTY THE COMPANY WILL NOT BE RESPONSIBLE FOR 1 Normal maintenance as outlined in the installation and servicing instructions o
20. out should not be attempted by anyone not having the required expertise and equipment to properly do the job Checking and or cleaning the heat exchanger involves removing the gas controls as sembly and the flue collector box cover and when com pleted reinstalling the gas controls assembly for proper op eration Also the flue collector box cover must be replaced correctly so that a proper seal is maintained Contact your dealer for the required periodic maintenance Fans and Fan Motor Periodically check the con dition of fan wheels and housings and fan motor shaft bearings No lubrication of condenser or evaporator fan bearings or motors is required or recommended Evaporator and Condenser Coils Cleaning of the coils should only be done by qualified service per sonnel Contact your dealer for the required annual maintenance Condensate Drain The drain pan and condensate drain line should be checked and cleaned at the same time the cooling coils are checked by your dealer Compressor All compressors are factory shipped with a normal charge of the correct type refrigeration grade oil in them and should rarely require additional oil The service person must be certain the proper oil level is maintained in the compressor when it is installed and running Condenser Fan 44 WARNING Do not poke sticks screwdrivers or any other object into revolving fan blades Severe bodily injury may result The fan must b
21. r owners manual including coil cleaning filter cleaning and or replacement and lubrication 2 Damage or repairs required as a consequence of faulty installation misapplication abuse improper servicing unauthorized alteration or improper operation 3 Failure to start due to voltage conditions blown fuses open circuit breakers or other damages due to the inadequacy or interruption of electrical service 4 Damage as a result of floods winds fires lightning accidents corrosive environments or other conditions beyond the control of the COMPANY 5 Parts not supplied or designated by the COMPANY or damages resulting from their use 6 COMPANY products installed outside the continental U S A Alaska Hawaii and Canada 7 Electricity or fuel costs or increases in electricity or fuel costs from any reason whatsoever including additional or unusual use of supplemental electric heat 8 ANY SPECIAL INDIRECT OR CONSEQUENTIAL PROPERTY OR COMMER CIAL DAMAGE OF ANY NATURE WHATSOEVER Some states do not allow the exclusion of incidental or consequential damages so the above limitation may not apply to you N i N N N AK NN MODEL 48SX WARRANTY Y CARRIER CORPORATION FIRST yours is a new residence SECOND THIRD Contact P O Box 4808 Syracuse New York 13221 Model No Date of Installation Name of Owner SAL IF YO
22. servicing dealer may offer an economical service con tract that covers seasonal inspections Ask for further details Complete service instructions can be found in the unit Installation Start Up and Service Instructions WARRANTIES Units 48SS and 48SX each have a separate warranty lo cated at the back of this book Be sure to read the warranty carefully to determine the coverage for your unit BEFORE YOU CALL FOR SERVICE CHECK FOR SEVERAL EASILY SOLVED PROBLEMS If insufficient heating or cooling is suspected Check for sufficient airflow Check the air filter for dirt Check for blocked return air or supply air grilles Be sure they are open and unobstructed If these checks do not re veal the cause call your servicing dealer If your unit is not operating at all check the following list for easy solutions Check to be sure that your thermostat temperature se lector is set above the indoor temperature during the heating season or below the indoor temperature during the cooling season Be sure the system switch is in the proper HEAT or COOL position and not in the OFF position Is the electrical supply switch ON Are any fuses blown or has the circuit breaker tripped During the heating season check the external manual shutoff valve Is this lever parallel with the pipe indicating that the valve is open Or is the lever at a right angle indicating that the valve is closed If closed has the gas be
23. ternal gas valve to the OFF position and wait 5 minutes Step 6 Turn the control switch on the internal gas valve to the ON position Step 7 Replace the burner access panel Step 8 Turn on the electrical supply to unit Step 9 Open the external manual shutoff valve Step 10 Set the temperature selector on room thermo stat slightly above room temperature to start unit The induced draft combustion air fan will start Main gas valve will open and main burners should ignite within 5 seconds If the burner does not light within 5 seconds the ignition module will go into a Retry mode after a period of approximately 22 sec onds following the 5 second ignition period If the burners do not light within 15 minutes of the initial call for heat there is a lockout Step 11 Set the temperature selector on room ther mostat to desired setting 44 WARNING 1 If the main burners fail to light or the blower fails to start shut down gas heating section and call your dealer for service Never attempt to manually light the main burners on unit with a match lighter or any other flame If the electric sparking device fails to light the main burn ers refer to the following shutdown procedures then call your dealer as soon as possible Failure to follow these requirements could result in serious personal injury mm A amp e pa LL gt lt 242 us A Lh LL LLLNL L
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