Carrier 48XL User Manual

48XLInfinity15 SEER Single-Packaged Air Conditioner andGas Furnace System With Puron® (R-410A) RefrigerantSingle Phase2 to 5 Nominal Tons (Sizes 024-0

3, Secure flue hood to flue panel by inserting a single screw on the top and the bottom of the hood,r (25 mm) MiN.Return Duct CoverSupply Duct CoverFi

Install Electrical Connections- NIPPLE .CAPC99020Fig. 10 - Sediment Trap7, Pressure test all gas piping in accordance with local and nation

Table 2 - Maximum Gas Flow Capacity*NOMINAL IRON PIPE SIZE (IN.)INTERNALDIAMETER(IN.)LENGTH OF PIPE ft (m)t10(3.0)20(6.1)30(9.1)40(12.1)50(15.2)60(18

Fig. 11 - Typical InstallationGROUND SCREW(IN SPLICE BOX)NOTE: Use copper wire only.LEGENDNEC - National Electrical Code------- Field WiringA Splice C

HP/ACBoardFig. 13 - Control PlateUserInterfaceInfinity Furnace BoardLEGEND Factory Wiring i Field Wiring ,Infinity HP/AC BoardOATOCT0Y2Y1W1CROutdoor A

PRE-START-UPA. WARNINGFIRE, EXPLOSION, HAZARDELECTRICAL SHOCKFailure to follow this warning could result in personalinjury or death and/or property d

emergency heating or cooling operation using a common thermostat and the terminal strip connections on the two control boards (See N

:ONNECTION WIRING DIAGRAMCfQ*CTQОsn>300Xr3*oro,?rNT3ОsssоJDОOSJDОSOО7ГWDANGER: ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICINGUNIT COMPO

эCfQ*О00XгЕР3*ого,?ГNT3ЕГ&5слft>оSО?гWу

frac□ □° SLiquid Line Solenoid* SUPPLIED BY UTILITY PROVIDERFig. 18 - 2-Stage HP/AC Control BoardSTATUS CODE 21 - GAS HEATING LOCKOUTControl will NOT

SAFETY CONSIDERATIONSInstallation and servicing of this equipment can be hazardous due to mechanical and electrical components. Only tr

If thermistor is shorted or open, replace it to return the system to normal operation. If fault is in the wiring connections, cor

Table 3 - Air Delivery and Temperature Rise at Rated Heating InputRated Heating input (Btu/hr) Heating Rise Range ®F (®C) Heating Rise Either Stage, °

INFINITY CONTROLLED LOW AMBIENT COOLING NOTE: When this unit is operating below 33°F (13°C) outdoor temperature, provisions must be m

^ WARNINGCARBON MONOXIDE POISONING HAZARDFailure to follow this warning could result in personal injury and/or death.If the manifold pressu

a, 129 sec, to complete one revolutionb, 3600/129 = 27.9c, 27,9 X 2 = 33,8 113 of gas flow/hr.d, 33.8 X 1030 = 38,390 Btuh input.In this example

BURNER FLAMELIMIT SWITCHESNormally closed limit switch (LS) completes the control circuit. Should the leaving-air temperature rise above

Table 6 - Heating InputsHEATING INPUT (BTU/HR)*NUMBER OF ORIFICESGAS SUPPLY PRESSURE (IN. W.C.) MANIFOLD PRESSURE (IN. W.C.)Natural NaturalHigh Stage

Infinity FurnaceBoardInfinity HP/AC BoardOutdoor Air Thermistor (Supplied with lU) FIELD CONNECTION REQUIRED (BLACK WIRES)Outdoor Coil Thermistor FACT

MAINTENANCETo ensure continuing high performance, and to minimize the possibility of premature equipment failure, periodic maintenance m

^ WARNINGELECTRICAL SHOCK HAZARDFailure to follow this warning could result in personal injury or death.Disconnect and tag electrical powe

Note A: When unit mounting screw is used, retainer bracket must also be used.Note A: When unit mounting screw is used, retainer bracket must also be u

670 psig shutting down the compressor, while HPS2 opens at 363, limiting the compressor to low-stage operation only.High pressure may be

- Defrost operation- Low ambient cooling- Crankcase heater operation- Compressor external protection- Pressure switch monitoring (refrigerant)-

A91431Fig. 25 - Resistance Values Versus TemperatureTHERMISTOR SENSOR COMPARISONThe control continuously monitors and compares the outdoor air

AIR CONDITIONER WITH PURON REFRIGERATION SECTION QUICK-REFERENCE GUIDEPuron refrigerant operates at 30-70 percent higher pressures than R-22,

Table 9 - Troubleshooting ChartSYMPTOM CAUSE REMEDYCompressor and outdoor fan will not startPower failure Call power companyFuse blown or circuit brea

Table 10—Troubleshooting Chart Con’t-Gas Furnace OperationSYMPTOM CAUSE REMEDYBurners will not igniteWater in gas line Drain. Install drip leg.No powe

CE-^TER OF GiiivITvREQUIRE} CLEARANCES TO COMBUSTIBLE MATL.DuCT SICE UNIT SIDE OPPOSITE DUCTS SOTTOW OF UNIT ELECTRIC HEAT panElPEC. SQUIRED CLEARANCE

UNITELECTRICALUNIT iT, UNIT HEIGHT CENTER OF GRAVITY MM/INCHARACTERISTICSLBS. KG,"A" XZ48X1036060 208/230-1-60 485 220,0 1142.5(44,98) 553.4

Table 1 - Physical Data - Unit 48XLUNIT SIZE 024040 024060 030040 030060 036060 036090 042060 042090NOMINAL COOLING CAPACITY (ton) 2 2 2-1/2 2-1/2 3 3

Table 1—Physical Data (Con’t) - Unit 48XLUNIT SIZE 048090 048115 048130 060090 060115 060130NOMINAL COOLING CAPACITY (ton) 4 4 4 5 5 5NOMINAL HEATING

INSPECTIONPrior to initial use, and at monthly intervals, all rigging brackets and straps should be visually inspected for any damag

CABINETMODELRIGGING WEIGHTlbkgSmall 48XL-024 420 191Small 48XL-030 427 194Large48XL-036 515 23448XL-042 537 24448XL-048 543 24648XL-060 594 269NOTE: