Carrier Access 52P User's Manual
Contents
1. an accessory electrical subbase for operation See Accessories table page 14 for subbase selection Refer to Table 2 for proper receptacle and fuse type TABLE 2 RECEPTACLES AND FUSE TYPES 250 265 VOLTS RECEPTACLE RATED VOLTS TIME DELAY TYPE FUSE or HACR Circuit Breaker LEGEND HACR Heating Air Conditioning Refrigeration May be used for 15 amp applications if fused for 15 amp 15 Amps 20 Amps 30 Amps 15 Amps 20 Amps 30 Amps INSTALLATION CHASSIS INSTALLATION Units are shipped without a sleeve In applications where unit is a replacement it is recommended that a Carrier sleeve be used The 52C and 52P units can retrofit General Electric Amana and Trane sleeves grilles be sure outdoor grille is installed on the sleeve A retrofit kit with instructions is included with every unit See Table 3 for details Carrier Corpo ration must approve any other retrofit application In deep wall applications if an existing grille is used on an outdoor wall opening do not install an additional outdoor grille on unit sleeve Be sure that the foam strips and or baffles provide a good seal between the grille and condenser coil tube sheets These foam strips or baffles provide a barrier to separate condenser air from the major components compressor and fan motor See Figures 5 to 8 NOTE Inspect wall sleeve for any damage or deterio ration before installing chassis A CAUTION If baffles are not installed2. Jo ejuepioui JO uone Jo uoisnjoxe eui moje ou op seijejs BWOS H3A3OSJIVHM 3HfllVN ANY dO 39VIAVO TVvIOH3IN WO9 HO A1H3dOHd TVILN3NDASNOO HO 193HIQNI 1VIO3dS ANY Uomneis BOIAIOS Jeuonipuoo aiv WOOY pezuoujne eui Jo Jejeep Bulll s eui jo Auiqisuodsei 9U SI siul lun eui Bunuodsuen jo jnseJ e se afewep 10 abewep Duiddius epeueo pue wemey exsely v Sin Ielu unuoo y episino p lle su stonpoid H3lHHVO Aueen siy Jepun pasarod Ajjeoyioads eje uoiuw pue H3lHUVD Aq p leuBis p 10 p d dns jou ase yorum seorues 1redeJ 10 sued zuawasejdas 10 1uawasinagwiey Xjjns qO YUM ejejdeureu y uo p yyu p S Jequinu j pow MUN y jueuuoJAU3 9AISOJOO uolsn oxe eui WO 1duu x eje uonoejoJd UOISOU0D UM YING seueg zs SHUN pjeujwia peDexoeg HAVHOVHVd 3AO8V NI LN3NNOHIAN3 AAISOHHOO OL NOILd3OX3 HI3IHUVD JO Ionuoo eui puo eq suonipuoo 19470 JO JUBWUOJIAUS NSOMO9 sjuepiooe BuluiuBl s y spum spooj jo NS e se afeweg uoneiedo Jo Buas 1edoidul uoneiale pezuouyneun esnqe uolyeolddesiw Aue jo eouenbesuoo e se pepeeu suledas 10 afeweg S 9JA1 S Jeoujo9j jo uondnueju 10 Aoenbapeu y oj enp s ewep 1eujo Aue JO SJexeeJq n310 u do s sn umojq suonipuoo afeyoA oi enp HEIS O N eA 1 le1su y jo AlIliqisuods 1 eui SI slu uon eoljdde 10 uoneljeisui Ane jo eouenbesuoo e se pepeeu sitedai Jo abeweg Uonejeisul enu aye yun Buiuonipuoo 1e jo esn pue JoJjuoo Jo spoypaw uo uononasu yenueW SAEUMO y u
3. for proper drainage of condensation Check that installation is level and make any necessary adjustments e When outdoor temperature is approximately 55 F or below frost may form on the indoor coil when unit is in Cooling mode Switch unit to FAN operation until ice or frost melts e Remove and clean filters 1 If circuit breaker is tripped or fuse is blown more than once contact a qualified electrician 2 If unit is installed where condensation drainage could drip in an undesirable location an accessory drain kit should be installed and connected to drain system ACCESSORIES ACCESSORY FORM NUMBER PART NUMBER DESCRIPTION Wall Sleeves 528 488l WALL SLEEVE 1PK Non Insulated Plastic Wall Sleeve 1 per pack WALL SLEEVE 9PK Non Insulated Plastic Wall Sleeve 9 per pack SLEEVE INSUL 1PK Insulated Plastic Wall Sleeve 1 per pack 528 5081 SLEEVE STEEL 1PK Insulated Metal Wall Sleeve 1 per pack 52S 49S SLEEVE EXT24 1PK Extended Metal Wall Sleeve for Deep Wall Applications 24 in deep 1 per pack 52C P 12SI FR SLEEVE EXT Friedrich wall sleeve extension to retrofit Carrier PTAC unit into Friedrich 111 2 deep T Series wall sleeve 1 per pack Exterior Grillest 52S 59SI GRILLE ALU STAMP Stamped Aluminum Exterior Grille Clear Finish 52S 58SI GRILLE PLA BROWN Plastic Architectural Rear Grille Brown GRILLE PLA BEIGE Plastic Architectural Rear Grille Beige 52S 60SI GRILLE ALU CLEAR Aluminum Architectural Exterior Grille Clea
4. in the heat pump position the unit will operate in the reverse cycle heating mode See Fig 14 When the temperature of the outdoor coil reaches 20 F approximately 35 F outdoor air tem perature the compressor will shut down The electric heater remains on until the temperature of the out door coil reaches 35 F approximately 45 F outdoor air temperature then the electric heater is shut off and the compressor is energized TEMPERATURE ss ER SN s oN I NN ES MW e e N HI HI COOLER WARMER Premier Series FIGURE 15 52P UNIT CONTROLS SHOWN To set unit to operate in electric heat mode only turn the setscrew to the electric heat position See Fig 14 IMPORTANT If setscrew on standard heat pump unit is set to electric heat mode operation the com pressor is disabled for both heating and cooling operations If setscrew on heat pump unit with wall thermostat control is set to electric heat mode operation the compressor will be disabled only for heating operation OPERATING MODES See Figures 15 and 16 m OUTSIDE AIR To bring outside air into occupied space turn the vent handle to the full open position See Figure 13 m OFF The OFF mode terminates unit operation m FAN The FAN mode will circulate air in the space ia speed and at high or low speed for cooling only models m HIGH HEAT OR HIGH COOL Select mode an
5. indicators stamped on tempera ture limiter are approximate and represent degrees F NO Ui BP W N Z TEMPERATURE 4 CONTROL STANDOFF PINS A f EE FAN CYCLE A q LL SWITCH o SCHEMATIC HEATPUNP ELECTRIC f HEAT NL OUTDOOR THERMOSTAT HEAT PUMP UNITS ONLY FIGURE 14 OPERATING CONTROLS OPERATING CONTROLS The following controls are located on the front of the control box door under front panel To obtain access to operating controls remove the unit front panel as shown on page 2 See Figure 14 m FAN CYCLE SWITCH Not available on RC or RP units This allows the fan to operate in two modes CON Continuous This setting allows the fan to run continuously circulating air even when the tem perature setting has been satisfied This switch helps to maintain the room temperature closer to the ther mostat setting U se this switch position when maxi mum comfort is desired This is the factory default setting CYC Cycle This setting allows the fan to cycle on and off with the compressor during heating or cooling The fan stops when the temperature setting is satis fied This results in longer unit off time and wider variations in room temperature and humidity m OUTDOOR THERMOSTAT 52CO and 52PQ HEAT PUMP UNITS ONLY If the setscrew is left at the factory setting
6. or designs without notice and without incurring obligations Book 1 4 Tab 9a lla
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8. 08 v 60 Hz 15 15 000 Btuh 4 265 v 60 Hz FIGURE 3 MODEL NUMBER NOMENCLATURE To install the front panel follow the procedure outlined below 1 Firmly grasp bottom of front panel on both sides 2 Hold front panel at a 45 degree angle to unit Be sure front panel is centered with front of unit 3 Connect top of front panel to partition rail on top of unit 4 Gently lower front panel onto chassis ensuring service cord is positioned through front panel slot NOTE Magnets on bottom of front panel will secure front panel to unit To install locking feature on front panel be sure front panel is already installed on unit and follow the steps below NOTE Two field supplied no 8 1 in sheet metal screws are required to secure front panel to chassis 1 Remove both indoor air inlet filters to expose front panel engagement holes See Figure 4 2 Secure front panel to chassis by attaching the TOP PARTITION field supplied screws into engagement holes Do DECK HOLE SLOT dele ys haves FIGURE 4 FRONT PANEL INSTALLATION 3 Replace both indoor air inlet filters WITH LOCKING FEATURE NOTE Front panel alignment may have to be adjusted slightly to line with chassis CID ELECTRICAL DATA A WARNING ELECTRICAL SHOCK HAZARD DO NOT alter cord or plug and DO NOT use an extension cord Personal injury or damage tothe unit may result Be sure that your outlet matches the appropriate bla
9. 52C and 52P OWNER S MANUAL PACKAGED TERMINAL AIR CONDITIONERS AND HEAT PUMPS 7 000 15 000 Btuh GENERAL r kaspaqa kama a DIe PSS haqa act EE 2 UNITINSPECTION 2 3 FRONT PANEL ii og RI BEE trash scene tee es 2 ELECTRICAL DATA oeanal 4 ALL UNITS I lz urasta a REG RUE RR ER ee 4 VOLTAGE SUPPLY ehe Re awqa 4 INSTALLATION 5 7 CHASSIS INSTALLATION sasana 5 WALL THERMOSTAT INSTALLATION T OPERATION cots de ER en ak uu aaa 8 9 COMFORT CONTROLS 4 iese 8 OPERATING CONTROLS 9 OPERATING MODES 9 Page CARE AND MAINTENANCE 10 11 INDOOR AIR INLET FILTERS 10 EXTERNAL PARIS 11 INTERNAL PARTS esse ese es es dee se 11 PREVENTATIVE MAINTENANCE 12 TROUBLESHOOTING 13 ACCESSORIES 14 1 800 894 6449 in USA and Canada For Service Technical Assistance 1 800 830 8600 Mexico GENERAL Thank you for choosing Carrier You can feel confident in your selection because the same pride in craftsman ship and engineering knowledge that goes into Carrier equipment at the Astrodome in Texas the Sistine Chapel in Rome the US Capitol Hall of Congress and thousands of other installations worldwide has gone into the con
10. E OR HACR TYPE 20 AMP CIRCUIT BREAKER ABOVE DATA FOR PERMANENTLY CONNECTED UNIT ONLY MOTOR COMPRESSOR THERMALLY PROTECTED UL LISTE TERMINAL TR CONDITIONER i e C ED CARRIER MADE IN MEXICO 99LR520212 REV D TELEPHONE 1 800 894 6449 FOR SERVICE TECHNICAL U ASSISTANCE J FIGURE 1 SAMPLE DATA INFORMATION PLATE with all accessory components See Accessories section on page 14 for complete listing of accessories UNIT INSPECTION Examine unit for damage incurred during shipment File a claim immediately with the transit company if damage is found The data information plate Figure 1 lists the model number voltage ranges and other important electrical information about this product Reading and under standing this material is important for proper use of this unit To access the information plate the front panel must be removed see Figure 2 FRONT PANEL To remove the front panel 1 Grasp panel firmly near bottom of both sides 2 Pull panel forward then upward to release mag netic latches and partition hooks NOTE Front panel may be secured to chassis with 2 screws located behind indoor air inlet filters n order to remove these screws the filters must be removed first Refer to page 10 in this manual for instructions on removing indoor air inlet filters IMPORTANT The front panel has to be off the un
11. F9 r69 009 L auoudelel ul yoeq jeuogipuoo Je noA 19D 0 Aem 1seq pue jseuns jsexoinb LZZEL MOA MAN asnoesAS eu Swejaoid eovues ejqissod je jo Ajofew jeeif eui ejpueu o 808p xog O d Kemeg eue dn ies ueeq eeu ey SQN3WINOO3H 3H H31N3O 3OIAHaS lu tuued q Suogeley Jeunsuo qazidoHinv H3IHHVO JHL HO H41VAG HNOA LOVINOO Buiuonipuo iy 9e JesJeu JO WIY 104 OP UBD Jeuwo au euM Bulop ueujeores QNV Z Sd3 1S NI q3Hov3u eu ut ynseu slee ees resseoeuun AueW Keuotu nes ueo i no si Buiop Ag Ayadosd jas eie sjoujuoo lle yey ensue 0 yooq LON SI NOILNIOS AHOLOVASILVS V dl H3lHHVO LOVLINOO F uotionujsul eui Buipeejei pue uess o u j Bumesei Jo jueujeoejd seDed woje 61 Sy Buunsu pue jexeeJq noo Jo esnj eui Burjoeuo ejoejdeoo1 1no 3jnsuoo ueo NOA JO eureu siu no eub ueo 1e eep Inoa V3HV ejeudoudde ue ui Ajwiy u paB6nid si jeuonipuoo uie eui eins Buraq HNOA ONIAH3S HOLNAIHISIGO HdilHHVO AHL LOVINOO apnjoul as ul 4 13SHf1OA OG NVO NOA SONIHL AHL MO3HO L l H3GHO NI Sd3LS ASSHL MOTIOS HOM LON SJOA H3NOILIQNOO HIV HNOA JI uoneJoda40o25 19182 ON NA dili Z dd Ge ee eg Copyright 2002 Carrier Corporation 52P 1SO 2 02 Replaces 52C 1SI Pg 16 Form 52C P 1SO Catalog No 535 20038 Printed in Mexico PC 132 Manufacturer reserves the right to discontinue or change at any time specifications
12. d rotatetemperature knob to desired comfort level This function provides maximum heating or cooling and is ee toraise or lower the room temperature quickly m LOW HEAT OR LOW COOL Select mode and rotate temperature knob to desired comfort level This function provides minimum heating or cooling with maximum dehumidification and quietest operation NOTE 52C and 52P wall thermostat units have a blank plate See Figure 16 4 p V ME 50 FIGURE 16 52P UNIT WITH WALL THERMOSTAT CONTROL SHOWN Blank Plate GE CARE AND MAINTENANCE In order to maintain proper performance of your pack aged terminal air conditioner or heat pump it is very important that the fan and outdoor coil the blower wheel blower scroll electric heater and all drain pas sages are thoroughly cleaned at least once per year Carrier recommends that as a minimum the cleaning should be conducted prior to the start of each heating money The air inlet filters should be cleaned every month Depending on local conditions more frequent cleaning of the unit may be required to ensure optimum perfor mance and long operating life Examples of these spe cial conditions include areas where construction dust or heavy airborne dirt is found or environments that promote the growth of fungus A CAUTION Some local conditions and environments can cause fungi to grow inside the air conditioner especially on indoor blower sect
13. de configuration of the supplied plug and that it is within reach of the service cord A hardwire kit is available as an accessory to change cord connected units to hardwired units See Accessories table on page 14 IMPORTANT All standard cord connected 265 v units will require a field installed electrical sub base accessory ALL UNITS m WIRE SIZE Use recommended wire size given in Table 1 and install a single branch circuit All wiring must comply with local and national codes All units are designed to operate off single branch cir cuits only NOTE Use copper conductors only m GROUNDING For safety and protection the unit is grounded through the service cord plug or through separate ground wire provided on hardwired units Be surethat the branch circuit or general purpose outlet is grounded TABLE 1 SUGGESTED BRANCH CIRCUIT WIRE SIZES NAMEPLATE AMPS AWG WIRE SIZET 7 0 to 12 14 12 1 to 16 12 16 1 to 24 10 LEGEND AWG American Wire Gage Single circuit from main box TBased on copper wire at 60 C temperature rating VOLTAGE SUPPLY Check voltage supply at outlet For satisfactory re sults the voltage range must always be within the ranges found on the data information plate Figure 1 m CORD CONNECTED UNITS The 250 v field supplied outlet must match the plug for the standard 208 230 v units and be within reach of the service cord The standard cord connected 265 v units require
14. fit kit to convert a standard 230V Heat Cool unit to an RC unit Wall thermostat sold separately can be used to convert a cool only unit to RC RC FIELDKIT230HP Field installed wall thermostat retrofit kit to convert a standard 230V Heat Pump unit to an RC unit Wall thermostat sold separately RC FIELDKIT265HC Field installed wall thermostat retrofit kit to convert a standard 265V Heat Cool unit to an RC unit Wall thermostat sold separately can be used to convert a cool only unit to RC RC FIELDKIT265HP Field installed wall thermostat retrofit kit to convert a standard 265V Heat Pump unit to a RC unit Wall thermostat sold separately Wall Thermostat 52C P 7SI Interface Retrofit Kit N A TSTAT COVER 6X7 Clear plastic locking thermostat cover prevents unauthorized access to thermostat Cover for use with non programmable and electro mechanical thermostats Outside dimensions 61 2 x 71 2 x 215 16 1 per pack N A TSTAT COVER 7X10 Clear plastic locking thermostat cover prevents unauthorized access to thermostat Cover for use with programmable thermostats Outside dimensions 71 4 x 93 4 x 33 s 1 per pack Replacement N A AIR FILTER 10PK Replacement air filters in package of 10 Filters Energy 52C P 10SI EM KIT Allows unit to be turned on and off from a remote location includes freeze guard protection Management Locking Security 52C P 13SI SECURITY DOOR Key locking security door to prevent access to heating and cooling contr
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16. ion Dried fungi dirt and other foreign material are fire hazards Be sure to clean unit according to the instructions that follow INDOOR AIR INLET FILTERS m INDOOR AIR INLET FILTERS should be cleaned once each month IMPORTANT Filters may become clogged if not cleaned properly Clogged filters will restrict air flow which may lead to severe component damage and efficiency loss m CLEANING INDOOR AIR INLET FILTER Two interchangeable air filters are located on the backside of the front panel Each can be removed and cleaned one at a time To remove and clean the filter follow the steps below 1 Grasp filter with both hands 2 Gently pull the filter up and away from the unit See Figures 6 and 17 3 To dean filter use a vacuum or soft bristle brush with a small amount of mild detergent NOTE If detergent is used remove any detergent residual with a gentle stream of clean water 4 Allow filters to air dry 5 Re insert dry filters back into front panel Additional filters are availablein multi packs Refer to Accessories section 10 3 EN S gt Y x FIGURE 17 INDOOR AIR INLET FILTER REMOVAL EXTERNAL PARTS m EXTERNAL PARTS include the polymer sleeve and grilles The sleeve manufacturer recommends cleaning the surface including the grilles with household detergent and water INTERNAL PARTS m INTERNAL PARTS should be cleaned at least once during the year The outdoor vent filte
17. it to complete future checks and installation proce dures Do not reinstall front panel at this time Using Figures 1 and 3 as reference verify that the packaged terminal product ordered will operate prop erly in your facility If you do not understand the in formation given or have questions about the product please call your local dealer or distributor FIGURE 2 REMOVING FRONT PANEL Replacement Package Terminal Air Conditioner CLASSIFIED BY UNDERWRITERS LABORATO RIES INC AS TO ELECTRIC SHOCK FIRE AND CASUALTY ssi HAZARDS ONLY FOR FIELD NN Fle INSTALLATION WITH EXISTING S o WALL SLEEVES OUTDOOR LOU U VERS AND INDOOR PANELS AS C L SPECIFIED ON THE PRODUCT 52 PE A 3 12 3 0 1 AA Series Designation PTAC Packaged Terminal Air Conditioner Comfort Series CE Cooling with Electric Heat CQ Heat Pump Chassis Options AA Standard CP Corrosion Protection RC Wall Thermostat Control Not available on cooling only units RP Wall Thermostat Control with Corrosion Protection Not available on cooling only units Premier Series PC Cooling Only PE Cooling with Electric Heat PQ Heat Pump Latest Revision A Z Packaging 1 Domestic Electric Heater Size 2 2 3 kw 3 3 4 kW Non Performance 5 5 0 kW Changes 0 9 Cooling Capacity nominal 07 7 000 Btuh 09 9 000 Btuh Electrical Data 12 12 000 Btuh 3 230 2
18. ols Control Door Lateral Duct Kit 52C P 14SI LATERAL DUCT Ductwork to allow one unit to heat and cool two rooms plenum plus extension duct and registers Air Curtain 52C P 9SI DEFLECTOR 1PK Lateral air deflector with individually adjustable louvers to enhance air circulation 1 per pack Deflector N A CURTDFL 52CP 1PK Curtain deflector for 52C and 52P models prevents curtains from blowing into discharge air stream 1 per pack NOTE Curtain deflector for previous models are also available Contact Carrier Representative Extended metal wall sleeve also available in 26 in and 28 in depth TCustom colors are also available 14 ARK ee NE REENEN RARR a aoo ao Z AU l l dh ZO E ed zzL 0 S ON Boleleo le1s 0 ejejs WO4 rea uorum SluBH 1 ulo ALY Osje Aew no pue siuBu jeba ojoeds no seal AjuedeM SIUL uoneziueBio 101nguisip SY u6nouu BUIUOMPUOD MIV ameg YM p 181sI6 1 ee SUONEIS 2911S 10 si je p juepuedepur pezuouiny eseuoind jo euin 1e 1ej es y u6noiu lu uu JBe sas ejejedes e Aq peJeAoo eq Kew AUuEUEM siy u pepnjoxe sway eoueuejure A pue asas 31O0N 91 senee s amp M sle souuJ u em way f1osseooe Jo eDe1e oo KIUBUEM ZL noA oi Ajdde jou Aew uoisnjoxe Jo uomejull e oqe eui os seDeurep jenuenbesuoo
19. p receptacle 52C P 3SI SUBBASE HARDWIRE Electrical subbase with factory installed hardwire kit 230 208V and 265V 1 Subbase 52C P 4SI SUBBASE SWITCH Field Installable Switch kit for an electrical subbase Field Installed 52C p ssi SUBBASE FUSE 15A Field Installed Fuse Kit 15 amp for electrical subbase Kits SUBBASE FUSE 20A Field Installed Fuse Kit 20 amp for electrical subbase SUBBASE FUSE 30A Field Installed Fuse Kit 30 amp for electrical subbase Electrical 52C P 11SI HARDWIRE KIT 1PK Permanent power connection to the unit includes 36 of flexible conduit and unit mounted Connections connector 230 208V and 265V 1 per pack 52C P 19SI CONDUIT INTF 4PK Interface kit for field supplied conduit to provide permanent power connection 230 208V and 265V to the unit Kit includes Molex connector for easy connect disconnect 4 per pack Condensate 52S 53Sl DRAIN KIT 4PK Attaches to wall sleeve for controlled internal or external disposal of condensate 4 per pack Drain Kit Wall N A HH01AD045 Electro mechanical Wall Thermostat Heat Cool and Heat Pump Thermostats TSTATCCBPC01 B Value Series Electronic Thermostat w Digital display Heat Cool Models TSTATCCBPH01 B Value Series Electronic Thermostat w Digital display Heat Pump Models TSTATCCPACO1 B 7 Day Programmable Electronic Thermostat Heat Cool Models TSTATCCPHPO1 B 7 Day Programmable Electronic Thermostat Heat Pump Models RC FIELDKIT230HC Field installed wall thermostat retro
20. properly loss of perfor mance and premature damage to the major compo nents can result INDOOR AIR INLET FILTERS DISCHARGE WIRE SCREEN GRILLE OUTDOOR ORIFICE INDOOR COIL FOAM STRIP OR BAFFLE FOAM STRIP OR BAFFLE FIGURE 5 OUTDOOR GRILLE TABLE 3 RETROFIT WALL SLEEVES MANUFACTURER General Electric Amana Trane WALL SLEEVE PART NUMBER Metal Sleeve RAB71 Plastic Sleeve RAB77 Metal Sleeve WS900B Metal Sleeve SLV149 Retrofit kit is not needed for Carrier or Bryant applications COIL TUBE SHEETS III III Mm MI Y M Hh ka WALL OUTDOOR SLEEVE BASEPAN GRILLE FIGURE 6 UNIT COMPONENTS Gp m INSTALL CHASSIS IN SLEEVE See Figures 6 to 9 1 Inspect foam gaskets top bottom both sides on chassis Replace foam gaskets if torn or missing IMPORTANT The gaskets combine with the sleeve face to create a weather barrier If the chassis is installed in a non Carrier sleeve this weather bar rier may not be effective A WARNING Chassis weighs up to 150 Ibs For personal protec tion seek help when lifting the unit Lift unit by holding unit basepan 2 Removeshipping tape from vent door See Figure 7 A CAUTION Failure to remove shipping tape will prevent fresh air vent door from opening and may result in dam age to the vent door cable 3 Lift cha
21. r Finish GRILLE ALU WHITE Aluminum Architectural Exterior Grille White GRILLE ALU BRONZ Aluminum Architectural Exterior Grille Light Bronze GRILLE ALU MBRNZ Aluminum Architectural Exterior Grille Medium Bronze GRILLE ALU BROWN Aluminum Architectural Exterior Grille Brown Dark Bronze GRILLE ALU BEIGE Aluminum Architectural Exterior Grille Beige GRILLE ALU ALPIN Aluminum Architectural Exterior Grille Alpine matches Carrier Wall Sleeve GRILLE ALU PEACH Aluminum Architectural Exterior Grille Peach GRILLE ALU MELON Aluminum Architectural Exterior Grille Melon GRILLE ALU LGREY Aluminum Architectural Exterior Grille Light Grey GRILLE ALU SGREY Aluminum Architectural Exterior Grille Slate Gray GRILLE ALU RDBRK Aluminum Architectural Exterior Grille Red Brick GRILLE ALU BLUE Aluminum Architectural Exterior Grille Blue GRILLE ALU GREEN Aluminum Architectural Exterior Grille Green Subbase 52C P 1SI SUBBASE NON ELEC Non electrical Subbase 52C P 2SI SUBBASE 230V 15A Electrical subbase with factory installed 208 230V 15 amp receptacle SUBBASE 230V 20A Electrical subbase with factory installed 208 230V 20 amp receptacle SUBBASE 230V 30A Electrical subbase with factory installed 208 230V 30 amp receptacle SUBBASE 265V 15A Electrical subbase with factory installed 265V 15 amp receptacle SUBBASE 265V 20A Electrical subbase with factory installed 265V 20 amp receptacle SUBBASE 265V 30A Electrical subbase with factory installed 265V 30 am
22. r should be cleaned at least once during a cooling or heating season Internal parts that should be cleaned include the fol lowing see Figures 6 18 and 19 Outdoor vent filter Basepan Outdoor orifice and fan Indoor and outdoor refrigeration coils Indoor blower wheel Wire screen Scroll Wall sleeve internal surfaces Outdoor grille MAGNET ENT DOOR FIGURE18 OUTDOOR VENT FILTER Left Side of Chassis FILTER SCROLL FIGURE 19 BLOWER WHEEL AND SCROLL 11 PREVENTATIVE MAINTENANCE Preventative maintenance is essential to proper unit operation efficiency and longevity To assure equip ment operates properly it must be properly main tained Equipment operation should be checked and verified several times during each year During regular unit inspection and maintenance fol low the guidelines below Wash both sides of outdoor coil Wash basepan and outdoor vent filter Wash the indoor coil Clean the blower wheel and front panel Clean or install new indoor air inlet filter s Ensure knobs are secure and operable Inspect cord and receptacle Secure electrical connections Ensure front panel is properly mounted and not damaged Ensure wall sleeve is installed properly Ensure heat and cool cycles operate properly 12 TROUBLESHOOTING POSSIBLE CAUSES UNIT DOES NOT START e Unit may have become unplugged e Fu
23. sation to form on discharge grille K eep doors and windows closed Room humidity decreases and moisture evaporates COMFORT CONTROLS m ADJUST AIRFLOW DIRECTION The discharge air grille is mounted on the front panel so that the air discharges forward If upward discharge is required remove the grille by removing screws on back of front panel Rotate grille 180 degrees and reinstall on the front panel m ADJUST VENT The vent handle is on the left side of the unit Turn handle to open or close vent Vent will remain in last desired position until handle is turned again M agnet will ensure positive closure See Figure 13 m SETTING TEMPERATURE LIMITS Setting tem perature limits on the unit provides the user a restricted range of temperature control See Figure 14 NOTE This adjustment is optional and is not applica ble to remote control units DOOR FILTER FIGURE 13 VENT DOOR Thetemperature limits are factory set to full range which is 60 F to 90 F To set restricted rotation of the temperature control knob 1 Remove front panel Remove temperature control knob to expose tem perature limiter Remove standoff pins from the 60 F and 90 F indi cator holes Replace standoff pin in hole for desired minimum temperature Replace standoff pin in hole for desired maximum temperature Reinstall temperature control knob Reinstall front panel NOTE Temperature
24. se may have blown e Circuit breaker may have been tripped e Unit mode dial may be set to the OFF position UNIT NOT COOLING HEATING ROOM e Unit air discharge section is blocked e Temperature setting is not high or low enough e Unit air filters are dirty e Room is excessively hot or cold when unit is started e Vent door left open UNIT MAKING NOISES WATER DRIPPING OUTSIDE WATER DRIPPING INSIDE e Wall sleeve is not installed level ICE OR FROST FORMS ON INDOOR COIL e Low outdoor temperature e Dirty filters NOTES SOLUTIONS e Check that plug is securely in wall receptacle e Replace the fuse See Note 1 e Reset circuit breaker See Note 1 e Switch mode dial to an operating mode e Make sure that curtains blinds or furniture are not restricting or blocking unit airflow e Reset to a lower or higher temperature setting e Remove and clean filters e Allow sufficient amount of time for unit to heat or cool the room Start heating or cooling early before outdoor temperature cooking heat or gatherings of people make room uncomfortable e Close vent door e Clicking gurgling and whooshing noises are normal during operation of unit e If a drain kit has not been installed condensation run off during very hot and humid weather is normal See Note 2 If a drain kit has been installed and is connected to a drain system check gaskets and fittings around drain for leaks and plugs e Wall sleeve must be installed level
25. ssis level with wall sleeve 4 Slide chassis into wall sleeve until foam gaskets rest firmly against front of wall sleeve 5 Screw chassis to wall sleeve with four 1s in long screws taped to the control box Screw holes are located on both sides of the mounting angles of the chassis Use only the top and bottom screw holes on each side See Figure 9 TT TN JAG AAA Ji QA QA UMIRI WI TA WIN VENT SHIPPING VENT DOOR DOOR TAPE CABLE FIGURE 7 LOCATION OF SHIPPING TAPE ON VENT DOOR SIDE TOP GASKET GASKET BOTTOM COIL TUBE GASKET SHEETS FIGURE 8 UNIT GASKETS AND TUBE SHEETS TOP SCREW HOLE SCHEMATIC BOTTOM SCREW HOLE o o FIGURE 9 CHASSIS MOUNTING WALL THERMOSTAT INSTALLATION The following instructions apply to RC and RP units only NOTE Carrier thermostats are recommended See Accessories section IMPORTANT Only trained gualified personnel and service mechanics should install electrical accessories on Carrier 52C and 52P series products per Carrier s installation in
26. struction of this unit The Carrier package terminal air conditioners and heat pumps provide a high standard of quality in per formance workmanship durability and appearance as they heat and cool the occupied air space year round This manual provides information for ease of installa tion operation and maintenance of the 52C and 52P units The following units are covered in this manual see Figure 1 for additional unit information 52CE 60 Hz cooling with electric heat units 52CQ 60 Hz cooling electric heat and heat pump units 52PE 60 Hz cooling with electric heat units 52PQ 60 Hz cooling electric heat and heat pump units 52PC 60 Hz cooling only units All models are designed for through the wall installa tion Separate installation instructions are included RS MODEL 52PQA312301AA SERIAL 3701X11520 DATE OF MFG 09 12 2001 VOLT RANGE 187 253 VOLTS 230 208 PH 1 HZ 60 MIN CKT AMPACITY 19 3 R 220Z 34 DESIGN PSIG 350 HIGH SIDE 150 LOW SIDE COOLING BTU HR 12 100 12 000 AMPS 4 8 5 3 WATTS 1100 1100 EER 11 0 10 9 RLA 6 1 COMP LRA 29 FAN FLA 0 75 MOTOR HP 1 8 HEATING BTU HR 10 800 10 700 AMPS 15 6 14 5 WATTS 3570 2997 COP 3 2 3 2 AMPS 14 8 13 7 WATTS 3400 2850 WATER STEAM HEATER BTU HR use 29 AMP CANADIAN INSTALLATION MAX FUSE MAX BREAKER 20 AMP TIME DELAY FUS
27. structions Please con tact your local electrical contractor dealer or dis tributor for assistance m INSTALL THERMOSTAT All remote control units 1 Check to be sure power to unit is disconnected 2 Remove terminal board cover from control box cover by removing screw see Figure 10 NOTE Terminal connector can be removed and re placed to simplify thermostat wiring 3 Connect wires from terminals on the thermostat to terminals on chassis terminal board connector See Figures 11 and 12 TERMINAL FAN COVER SWITCH SCREW POWER CORD THERMOSTAT FIGURE 10 CONTROL BOX TERMINAL COVER 4 Reinstall cover 5 Set desired fan speed using fan switch unit will operate only at selected speed 6 Restore power to unit NOTE Refer to thermostat installation instructions for details on installing thermostat TYPICAL WALL THERMOSTAT SEE aa EE OF NOTE 1 SEE NOTE 2 TERMINAL BLOCK NOTES 1 Use terminal O for heat pump connection only 2 Terminal C common typically is only required for digital thermostats 3 See table below for terminal descriptions TERMINAL DESIGNATION R 24 VAC Fan Compressor Electric Heat Reversing Valve Common FIGURE 11 WIRING CONNECTIONS FIGURE 12 TERMINAL CONNECTOR REMOVAL AND REPLACEMENT OPERATION IMPORTANT When unit is first started high humidity conditions can cause conden
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