Carrier 48XL Infinity Instruction Manual

®Turn to the ExpertgInstallation InstructionsEQUIPMENT OPERATION HAZARDFailure to follow this caution may result in improper unitoperation.OAT sensor

2. Avoid abrupt duct size increases and reductions. Abruptchange in duct size adversely affects air performance.IMPORTANT: Use flexible connectors bet

_5 -OI,,,,_, Cut along'V" groovesDrillplacesI IReturn Duct PanelsFlex up & downto removecota,oo0_I li I... _-"-..Jl., I I E I X

3.Securefluehoodto flue panel by inserting a single screw onthe top and the bottom of the hood.l-in. (25 ram)rain.TRAPram) rain.A09052Fig. 10 - Conden

Table2- MaximumGas Flow Capacity*NOMINAL INTERNAL LENGTH OF PIPE ft (m)'{"IRON PIPE DIAMETER 10 20 30 40 50 60 70 80 90 100 125 150 175 200S

Whencommandedto operatehumidifier,theunitcontrolwillenergizetheHUMoutputtoturnhumidifieronandde-energizeHUMoutputto turnhumidifieroff.WireHUMandCOMter

HP/ACBOARDFURNACE BOARDUserinterfacem1|||I.Fig. 14 - Control PlateInfinity FurnaceBoardHUM.[1LEGEND| Factory WiringInfinity HP/ACBoard[OATBOCTBmOmY2mY

PRE-START-UPFIRE, EXPLOSION, ELECTRICAL SHOCK ANDENVIRONMENTAL HAZARDFailure to follow this warning could result in personaliniury or death and/or pro

emergency heating or cooling operation using a commonthermostat and the terminal strip connections on the two controlboards (See Non-Communicating Eme

z:>ooi--<Jzo<<::z::o::z::<ci--w<c_9z>._s%(ZDZcls,_3<N<i<:<0<9z4S5NP/AC CON[ROL BOARD88% IFig. 17 - Wiring Schemati

zzz0z>wLxaz2<N=<ico<wwz_c_ FURNACECONTROL BOAR1)Fig. 18 - Wiring Schematic-48XL-A Single Phase Gas Inputs 115, 130 kBtu/hrA0908119

SAFETY CONSIDERATIONSImproper installation, adjustment, alteration, service maintenance,or use can cause explosion, fire, electrical shock, or otherco

OOOODO00[] []O0m mUTILITY RELAY *10OPEN RELAY* SUPPLIED BY UTILITY PROVIDER@?f,?o000O00r-qLiquid Line SolenoidA05247Fig. 19 - 2-Stage HP/AC Control Bo

openorshortedat any time after initial validation, Status Code 53will be displayed at amber STATUS LED.Check for faults in wiring connecting sensor to

UnitTable 3 - Air Delivery and Temperature Rise at Rated Heating InputRated Heating Input (Btu/hr) Heating Rise Range OF (°C) Heating Rise Either Stag

INFINITY CONTROLLED LOW AMBIENT COOLINGNOTE: When this unit is operating below 55°F (13°C) outdoortemperature, provisions must be made for low ambient

CARBONMONOXIDEPOISONINGHAZARDFailureto follow this warning could result in personaliniury and/or death.If the manifold pressure and/or gas rate is not

a.129sec.to complete one revolutionb. 3600/129 = 27.9c. 27.9 x 2 = 55.8 ft3 of gas flow/hr.d. 55.8 x 1050 = 58,590 Btuh input.In this example, the non

BURNERFLAMEBURNERMANIFOLDFig. 22 - Monoport BurnerC99021LIMIT SWITCHESNormally closed limit switch (LS) completes the control circuit.Should the leavi

HEATING INPUT(BTU/HR)*Low Stage26,00039,00058,50075,00084,500NUMBER OFORIFICES23333Table 6 - Heating InputsGAS SUPPLY PRESSURE (IN. W.C.)NaturalMANIFO

infinity Furnace infinityHP/ACBoard BoardStandard4..WireThermostatOutdoorAirThermistor(Suppliedwith IU)FIELDCONNECTIONREQUIRED(BLACKWIRES)OutdoorCoilT

MAINTENANCETo ensure continuing high performance, and to minimize thepossibility of premature equipment failure, periodic maintenancemust be performed

Installation on older "G" series roof curbs.Two accessory kits are available to aid in installing a new "G"series unit on an old &

Bh werAccessCompressor PanelAccess PanelFig. 25 - Unit Access PanelsControlAccessPanelA09479IntegratedGas Unit(IGC)Auto Transformerfuses used on 460(H

infinity TopA"A06035UNIT SIZE "A" DIM. IN. (MM)24 1 (26)30 1 (26)36 1 (26)42 1 (26)48 11/32 (9)60 9/16 (14)Fig. 28 - Outdoor Fan Blade

Synthetic Roof Precautionary Procedure1. Cover extended roof working area with an inapermeablepolyethylene (plastic) drip cloth or tarp. Cover anappro

the call for cooling continues, the control will energize thecompressor contactor every 15 nfinutes. If the thermal protectorcloses (at the next 15 nf

AIR CONDITIONER WITH PURONREFRIGERATION SECTION QUICK-REFERENCE GUIDEPuron refrigerant operates at 50-70 percent higher pressures than R-22. Be sure t

Table 9 - Troubleshooting Chart - CoolingSYMPTOMCompressor and outdoor fanwill not startCompressor will not start but condenser fanrunsCompressor cycl

SYMPTOMBurners will not igniteInadequate heatingPoor flame characteristicsTable lO--Troubleshooting Chart - Gas Furnace 0CAUSEWater in gas lineNo powe

I. PRELIMINARY INFORMATIONMODEL NO.:SERIAL NO.:DATE:TECHNICIAN:START-UP CHECKLIST(Remove and Store in Job Files)II. PRESTART-UP (Insert check mark in

Copyright 2009 Carrier Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 Printed in U.S.A. Edition Date: 08/09Manufacturer reserves the right to cha

HVAC unitbase railsAnchor screw /Flashing fieldRoofing materialHVAC unitbasepan_ SealingGasketRoofcurb_Wood nailer*/ Roofcurb*Insulation/(field suppli

[]o_tt l=1... £3£ 3 ... 3 ';_2 _ X i_)XS... o= _2 X:>=S[]© _,__777Ill _ _=iiiii_ . !i_..." ' LiT_]] ,_sS &apos

illiiiil...'_i'_i'_i__i_i_i_iiiiu_oc>Lc;ilL_7o=:E:<_°i io_< ..._ _,_oFig. 6 - 48X

UNIT SIZENOMINAL COOLING CAPACITY (ton)NOMINAL HEATING CAPACITY (Btu)SHIPPING WEIGHT (Ib)(kg)COMPRESSORSQuantityREFRIGERANT: PURON (R-410A)Quantity (I

UNIT SIZENOMINAL COOLING CAPACITY (ton)NOMINAL HEATING CAPACITY (Btu)SHIPPING WEIGHT (Ib)(kg)COMPRESSORSQuantityREFRIGERANT: PURON (R-410A)Quantity (I

CAUTION - NOTICE TO RIGGERSPRUDENCE - AViS AUX MANIPULATEURACCESS PANELS MUST BE iN PLACE WHEN RIGGING.PANNEAUX D'ACCES DOlT ETRE EN PLACE POUR M