Carrier 50SZ024 Скачать руководство пользователя | Manualshive

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Содержание 50SZ024

Страница 1: ...UP CHECKLIST 24 Fig 1 Unit 50SZ C99001 SAFETY CONSIDERATIONS Installation and servicing of this equipment can be hazardous due to mechanical and electrical components Only trained and qualified personnel should install repair or service this equipment Untrained personnel can perform basic maintenance functions such as cleaning and replacing air filters All other operations must be performed by tra...

Страница 2: ...ure that the fan discharge does not recirculate to the outdoor coil Do not locate the unit in either a corner or under an overhead obstruction The minimum clearance under a partial overhang such as a normal house overhang is 48 in above the unit top The maximum horizontal extension of a partial overhang must not exceed 48 in IMPORTANT Do not restrict outdoor airflow An air restriction at either th...

Страница 3: ...RFACES POWER ENTRY SIDE 36 00 914 0 UNIT AND BLOCK OR CONCRETE WALLS AND OTHER GROUNDED SURFACES POWER ENTRY SIDE 42 00 1066 8 445 I 75 5AKO ROWER ENIRY 222 058 DIA HOLE CONTROl ENTR_ FllTrlTFITtl 4 81 RIGHTSIDEVIEW _ gO 1520 UNIT 50SZ024 50SZ030 ELECTRICAL CHARACTERISTICS UNIT WEIGHT Ib kg REQUIRED CLEARANCE FOR OPERATION AND SERVICING INCHES turn EVAR COIL ACCESS SIDE 36 00 914 0 POWER ENTRY SID...

Страница 4: ... SIDE 42 00 1066 8 REQUIRED CLEARANCE FOR OPERATION AN D SERVICING INCHES mm EVAR COIL ACCESS SIDE 36 00 914 0 POWER ENTRY SIDE 42 00 1066 8 EXCEPT FOR NEC REQUIREMENTS UNIT TOP 48 00 1219 2 SIDE OPPOSITE DUCTS 36 00 914 0 DUCT PANEL 12 00 304 8 MINIMUM DISTANCES IF UNIT IS PLACED LESS THAN 304 8 12 00 FROM WALL SYSTEM THEN SYSTEM PERFORMANCE MAYBE COMPROMISE UNIT 50SZ036 50SZ042 50SZ048 50SZ060 E...

Страница 5: ... CPRFCURB009A00 14 356 16 3 16 411 1 Roof curb must be set lip for unit being installed C IN MM 16 1 2 419 16 1 2 419 17 3 8 441 17 3 8 441 D IN MM 28 3 4 730 28 3 4 730 40 1 4 1022 40 1 4 1022 E IN MM 30 3 8 771 30 3 8 771 41 15 16 1065 41 15 16 1065 F IN MM 44 5 16 1126 44 5 16 1126 44 7 16 1129 44 7 16 1129 A05308 G IN MM 45 15 16 1167 45 15 16 1167 46 1 16 1169 46 1 16 1169 2 Seal strip nlust ...

Страница 6: ...HAZARD Failure to follow this warning could result in personal injury or death Never stand beneath rigged units or lift over people INSTALLATION The lifting rigging bracket is engineered and designed to be installed on y on Small Packaged Products This bracket is to be used to rig lift a Small Packaged Product onto roefs or other elevated structures PROPERTY DAMAGE HAZARD Failure to fellow this wa...

Страница 7: ...overflowing see Fig 8 When using a gravel apron make sure it slopes away from the unit Connect a drain tube using a minimum of 3 4 in PVC or 3 4 in copper pipe all field supplied at the outlet end of the 2 in trap Do not undersize the tube Pitch the drain tube downward at a slope of at least l in for every 10 ft of horizontal run Be sure to check the drain tube for leaks Prime trap at the beginnin...

Страница 8: ...ee Fig 9 10 4 If unit ductwork is to be attached to vertical opening flanges on the unit composite base jackstand applications only do so at this time Collect ALL screws that were removed Do not leave screws on rooftop as permanent damage to the roof may occur 5 It is recommended that the unit base insulation around the perimeter of the vertical return air opening be secured to the unit base with ...

Страница 9: ...ternal components when drilling through any panel to mount electrical hardware conduit etc HIGH VOLTAGE CONNECTIONS The unit must have a separate electrical service with a field supplied waterproof disconnect switch mounted at or within sight from the unit Refer to the unit rating plate NEE and local codes for maximum fuse circuit breaker size and minimum circuit amps ampacity for wire sizing see ...

Страница 10: ...11 2 Connect the yellow primary lead to the transformer terminal labeled 200 v Indoor blower motor speeds may need to be changed for 208 v operation Refer to indoor airflow and airflow adjustments section THERMOSTAT AND SUBBASE l _BRN _ORN _RED _GRN_ UNIT CONTROL POWER SPLICE BOX C99056 Fig 11 Control Connections GROUND SCREW IN SPLICE BOX SINGLE PHASE CONNECTIONS TO DISCONNECT PER NEC GROUND LEAD...

Страница 11: ...Up section before starting the unit Do not jumper any safety devices when operating the unit Do not operate the unit in cooling mode when the outdoor temperature is below 40 F unless accessory low ambient kit is installed Do not rapid cycle the compressor Allow 5 min between on cycles to prevent compressor damage CHECKING COOLING AND HEATING CONTROL OPERATION Start and check the unit for proper co...

Страница 12: ...0 4 12 0 7 5 10 0 20 8 24 1 tl 3 15 0 31 3 36 t 3 8 5 0 18 1 20 8 7 5 10 0 36 1 41 7 11 3 15 0 54 2 62 5 3 8 5 0 18 1 20 8 7 5 10 0 36 1 41 7 11 3 15 0 54 2 82 5 t5 0 20 0 72 0 83 t 3 8 5 0 10 4 12 0 7 5 10 0 20 8 24 1 11 3 15 0 31 3 36 1 3 8 5 0 18 1 20 8 7 5 10 0 36 1 41 7 11 3 15 0 54 2 82 5 3 8 5 0 18 1 20 8 7 5 10 0 38 1 41 7 tl 3 15 0 54 2 82 5 15 0 20 0 72 0 83 1 3 8 5 0 10 4 12 0 7 5 1 O O...

Страница 13: ...lity cornpany IMPORTANT If the supply voltage phase imbalance is more than 2 immediately C03014 Balance Point Worksheet 70 60 _ 50 _3 O 3 O _O O g5 4o do a 30 c_ I mg 2O 10 Based on Indoor Entering Air of 70 F and Rated CFM S 10 0 10 17 20 30 40 47 50 60 Outdoor Air Temp Deg F Fig 15 50SZ Balance Point Worksheet 4_ 024 1_030 A 036 X 042 048 _060 C99009 REFRIGERANT CHARGE The amount of refrigerant ...

Страница 14: ...xcept sizes 030 and 048 which are wired formedium speed FOR 208 230V For color coding onthe 208 230V motor leads see Table 4 Table 4 Color Coding lbr 208 230V Motor Leads BLACK HIGH SPEED Blue Medium Speed Red Low Speed To change the speed of the indoor fan motor IFM remove the fan motor speed leg lead from the time delay relay TDR This wire is attached to terminal 3 of TDR for 3 phase units To ch...

Страница 15: ...OWNER Consult your local dealer about the availability of a maintenance contract PERSONAL INJURY AND UNIT DAMAGE HAZARD Failure to follow this warning could result in personal injury or death and possible unit component damage The ability to properly perform maintenance on this equipnmnt requires certain expertise mechanical skills tools and equipment If you do not possess these do not attempt to ...

Страница 16: ...witha brush Remove lintand or dirt accumulations from wheel and housing withvacuum cleaner using softbrush attachment Remove grease and oilwith mild solvent d Reassemble wheel into housing e Reassemble motor intohousing Besure setscrews are tightened onmotor shaft flats and not onround part of shaft f Reinstall unit access panel 3 Restore electrical power tounit Start unitand check for proper blow...

Страница 17: ...2_ _q _ WI T COMPONENT ARRMIGENENT S CT O_ CO_ RESSOR C D D LEGEND Q TER_IN_L _A_Eb_ _c_ C _lACl _ FIEL COntROL _IRHIG DF_ D_YROST _R_OS_A_ _ _c_Bso_ OR OP IONAL Ga_ G_OUN_ io INDICM CO_ON L S to_ P_ESS_RE S_ TQ_ NOT TO R PRES NT 91RING n _M CT_ TITS CO_IPff SSOR _ELAY DIP SWITCH SETTINGS 0 5 SEe T 5 _I_ F OST W_I T R_ _A E _ 30 sic _F 8fT O_gN tJOIES I IF A4 OF THE ORIGINAL WIRES FURR S ED ARE RE...

Страница 18: ...B R I CONIROL 8OX AR_A SINGLE P1 CONN CTIO_foR _ _LECJ HEAY w KFROS BOARD S_E JJ_ATF_ J SCHBIATIC _ _OR _ RI_G SC MATIC BLK O_S _I7_ _ 205 _30 3 60 y I I CAP2 O M O_SR__ P LUG FBIB ON B3O AN B 048 BRN BRN WB10RN_BR_ BRN BRN r LPS BIU KU ACCESSSORY EIECTRI B HEAlJ _ HRI 5 KWI_ HBI B II B KW _ BRN 50SZ500129 2 0 A06808 Fig 19 I Wiring Diagram 208 230 3 60 18 ...

Страница 19: ...LU ON 030 AMO 048 LEGEN co_P ACC SSORY OROPtIONAl GN_ SOT JO R PRES NT_IRING Ol BRN f_RM BR_ _gRM D DIP SWI1CH SEITINGS CAPACITOR COMPRESSOR IIN biLAY _OST R_IAY IbR l 3 AN SZ _U_NC CTB 1 _2 COmpRESSOR DELAY co_P_ssCROF_BEL_Y P BMAH HT SHOR_ WELLB _GHO_ _ T T_O _01 5 SEC T 5 MIR _I_ROSY _ R_I_A i_SOS_ C1 I_Op_ G G C _ROST _ _RMLNA _ _OR_A F _ _S Ct_S D E ERGIZED DE NRGZU CLOSES OPENS SAY NOES 1 I ...

Страница 20: ...786 769 754 736 722 705 684 658 Low CFM 2027 1960 1901 1821 1759 1693 1616 1513 Watts 873 849 833 815 798 782 763 748 060 Med CFM 2095 2026 1962 1887 1817 1748 1679 1583 Watts 1012 993 981 963 948 927 904 886 High CFM 2184 2109 2036 1963 1886 1812 1729 1647 Air delivery values are based on operating voltage of 230v wet col without filter or electric heater Deduct filter and electric heater pressur...

Страница 21: ... sure that all supply and return air grilles are open and free from obstructions and that the air filter is clean METERING DEVICES ACCURATER PISTON Refrigerant metering devices are fixed orifices and are located in the inlet header to the indoor and outdoor coils LIQUID LINE STRAINERS The liquid line strainers to protect metering devices are made of wire mesh and are located in the liquid lines on...

Страница 22: ... tooutdoor coiltosense its temperature Normal temperature range isclosed at30 3 F and open at80 5 F NOTE The defrost thermostat nmst be located onthe liquid side of the outdoor coilonthe bottom circuit and as close tothe coilas possible F FEEDER TUBE STUB TUBE DEFROST THERMOSTAT C99029 Fig 22 Defrost Thermostat TROUBLESHOOTING Refer to the Troubleshooting hart Table 10 for troubleshooting informat...

Страница 23: ...outdoor air restricted or air short cycling Low refrigerant charge Restriction in liquid tube High Heat load Reversing valve hung up or leaking internally Refrigerant overcharged Dirty air filter Low refrigerant charge Metering device or low side restricted Insufficient coil airflow Temperature too low in conditioned area Outdoor ambient below 55 P Filter drier restricted REMEDY Call power company...

Страница 24: ...R FOR LOCATION IN HOUSING ORIFICE AND SETSCREW TIGHTNESS ill START UP ELECTRICAL SUPPLY VOLTAGE COMPRESSOR AMPS INDOOR EVAPORATOR FAN AMPS TEMPERATURES OUTDOOR CONDENSER AIR TEMPERATURE RETURN AIR TEMPERATURE DB COOLING SUPPLY AIR DB WB DB WB PRESSURES REFRIGERANT SUCTION PSIG SUCTION LINE TEMP REFRIGERANT DISCHARGE PSIG DISCHARGE TEMPt VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS Measured at s...

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