Carrier 4-WAY MULTIPOISE FIXED-CAPACITY DIRECT-VENT CONDENSING GAS FURNACE 58MXA Operations Instructions

HEATING & COOUNG58MXADeluxe 4-Way Multipoise Fixed-CapacityDirect Vent Condensing Gas FurnaceVisit www.carrier.cmnInstallation, Start-Up, and Oper

PLUG --AUXILIARY "J" BOX _/ CAPIiCONDE T BOX EXTENSIONDRAIN TUBECOLLECTOR BOXEXTENSION TUBECOLLECTOR BOXDRAIN TUBE(BLUE AND WHITE STRIPED)O

INTAKE30" MINA 12-1N MIN HORIZONTAL PIPESECTION IS RECOMMENDED WITHSHORT (5 TO 8 FT) VENT SYSTEMSTO REDUCE EXCESSIVECONDENSATE DROPLETS FROMEXITI

CAP ---1 /-- COLLECTOR BOX DRAIN TUBE (BLUE)\ / Fc,, OC 'oyO o OXTox x s Eo"& ERPLUG\ ,'// FOOL'EOTORBOXTOBE P'NK IZJ

P":_I[_o_The condensate trap MUST be installed below furnace. SeeFig. 5 for dimensions. The drain connection to condensatetrap must also be prope

control flow of air shall be adequate to prevent chilled air fi'omentering fumace. If dampers are manually operated, they must beequipped with a

FURNACECASINGWIDTHTable 1--Opening Dimensions (in.)APPLICATIONCUpflow Applications ! 6-5/8Downflow Applications on Non-Combustible Flooring 16-1/2Down

Do not bend duct flanges inward as shown in Fig. 21. Thiswill affect airflow across heat exchangers and may cause limitcycling or premature heat excha

ANGLEIRON OREQ(B)(A) ROD LOCATIONUSING DIMPLELOCATORS(SEE DIMENSIONALDWG FORLOCATIONS)3/8-1N.& WASHER (4)REQD PER RODIIIIIIII3/8-1N.RODALTERNATE S

Table 2--Filter InformationAIR FILTER LOCATED IN BLOWER COMPARTMENTFURNACE FILTER SIZE (IN.) FILTERCASINGWIDTH (IN.) Side Return Bottom Return TYPE17-

Table 3--Maximum Capacity of Pipe*NOMINALIRONPIPESIZE(IN,)1/23/411-1/41-1/2INTERNALDIAMETER(IN,)0.6220.8241.0491.3801.610LENGTH OF PIPE (FT)10 20 30 4

Purge Gas Lines ... 40Adjustments ...

... FIELD 24-V WIRING... FIELD !15-, 208/230-, 460-V WIRING-- FACTORY 24-V WIRINGFACTORY 1! 5-V WI RINGNOTE21_ #Am%m _ _ I THERMOSTATFIVEWIRE_ ILZyL

FURNACESIZE040-08040-12060-08060-12060-16080-12080-16080-20100-t6100-20120-20140-20VOLTS--HERTZ--PHASE115-80-1115-60-1115-80-1115-60-1115-80-1115-60-1

BLUER OFF DEEAyJL_IpER SELCCTD_M 12024wV 180HUMSEG2 SE©/PCBW4T (COM)I BFANR CON_ NUOUS FAN SELECT RELAY SPD f OL AUTO RESET INTERNAL MOTOR OVERLOADBHT

REMOVAL OF EXISTING FURNACES FROM COMMONVENT SYSTEMS---) When an existing Category I furnace is removed or replaced, theoriginal venting system may no

TWINNING AND/ORBLOWER OFF-DELAY COMPONENT TESTTERMINAL24-V THERMOSTATTERMINALS3-AMP FUSELEDDIAGNOSTIC LIGHT115-VAC(L2)ICONNECTIONSHUMIDIFIER TERMINAL(

VENTHORIZONTAL TO ROOF HORIZONTAL TO SIDEWALLCOMBUSTION-AIR PiPEF VENT PIPE __ _ _-_='_VERTICALTO ROOF VERTICAL TO SIDEWALLNOTE: A 12 In. minimum

Table 6--Approved Combustion-Air and Vent Pipe, Fitting and Cement MaterialsASTM SPECIFICATION(MARKED ON MATERIAL)D1527D1785D2235D2241D2466D2468D2564D

COMBUSTION - AIRINTAKE HOUSINGBURNERBOXDRILLTO OPENDRAINA93035Fig. 35--Air Intake Housing Plug Fitting DrainInducer housing outlet cap must be install

ALTITUDE (FT)0 to 2000ALTITUDE (FT)2001 to 3000ALTITUDE (FT)3001 to 4000See notes at end of tabteTable 7--Maximum Allowable Pipe Length (ft)UNIT SIZE0

ALTITUDE (FT)4001 to 6000€ALTITUDE (FT)6001 to 6000¢ALTITUDE (FT)6001 to 7000¢ALTITUDE (FT)7001 to 8000¢See notes at end of tableTable 7--Maximum Allo

usedwheninstalledoncombustiblematerialsandwoodflooring.Specialbaseisnotrequiredwhenthisfuruaceisinstalledonmanufacturer'sCoilAssemblyPartNo.CD5or

Table 7--Maximum Allowable Pipe Length (ft) (Continued)ALTITUDE (FT)8001 to 9000€ALTITUDE (FT)9001 to 10,000$UNIT SIZE040-08040-!2060-08060-!2060-1608

AIR AND VENT8 3/4" FOR 3" KIT6 3/4" FOR 2" KITMAINTAIN 12 IN.CLEARANCE ABOVE HIGHESTANTICIPATED SNOW LEVEL.MAXIMUM OF 24 IN. ABOVE

// COMBUSTION-AIR(ELBOW PARALLELTO WALL)IN. SEPARATIONBOTTOM OF:'COMBUSTION AIR ANDOF VENT!2 IN.CLEARANCEABOVE HIGHESTANTICIPATED SNOWLEVEL OR GR

Table 8--Maximum Allowable Exposed Vent Pipe Length (It) With and Without Insulation in Winter DesignTemperature Ambient*WINTER DESIGN MAX PIPEFURNACE

COMBUSTIONAIRA93056Fig. 42--Concentric Vent and Combustion-Air RoofTermination (Dimension "A" is Touching or2-in. Maximum Separation)COMBUST

OPEN STAND "-7PiPE FOR /A/COR/HUMIDIFIER j[DRAINA94054Fig. 46--Example of Field Drain AttachmentCONDENSATEWIRE TIE(S)_ "_HEAT TAPE_ I_(3 WRA

THERMIDISTAT SINGLE-STAGE SINGLE-SPEED THERMIDISTAT SINGLE-STAGE SINGLE-SPEEDFURNACE AIR CONDITIONER FURNACE HEAT PUMPN'AI_N/AHEAT STAGE 1COOL ST

DUAL FUEL SINGLE-STAGE SINGLE-SPEED DUAL FUEL SINGLE-STAGE TWO-SPEEDTHERMOSTAT FURNACE HEAT PUMP THERMOSTAT FURNACE HEAT PUMPRVS COOLINGN/A [_HEAT/COO

Notes For Figure 48-54i. Heat pump MIST have a high pressure switch for dual fuel applications.2. Refer to outdoor equipment Installation Instructions

¥.t__I_ _To Begin Component Self-Test:Blower access panel door switch opens 115-v power tocontrol. No component operation can occnr. Caution must beta

4_GAS CONNENTRY[7II14 _#" i SIDEINLET I (TYPi i_ +b, ... _z]'1L--14"1 "_ 23 'A" TYPI SIDE INLET26 _/GrrTy

\/_.i__A99119Fig. 56--Filling Condensate TrapStep 3--Purge Gas LinesIf not previously done, purge lines after all connections have beenmade and check

Table 9--Model 58MXA Orifice Size and Manifold Pressure for Correct InputFor Use with 040 through 120 Size Furnaces Only(Tabulated Data is Based on 20

o4oo4(Q.TABLE 9--Model 58MXA Orifice Size and Manifold Pressure for Correct Input (Continued)for Use With 040 Through 120 Size Furnaces Only(Tabulated

Table 9--Model 58MXA Orifice Size and Manifold Pressure for Correct Input (Continued)For Use with 040 through 120 Size Furnaces Only(Tabulated Data Ba

Table 10--Model 58MXA Orifice Size and Manifold Pressure for Correct InputFor Use with 140 Size Furnaces Only(Tabulated Data Based on 23,000 Btuh per

Table 10--Model 58MXA Orifice Size and Manifold Pressure for Correct Input (Continued)for Use With 140 Size Furnaces Only(Tabulated Data Based on 23,0

- BURNER JORIFICEA93059Fig. 58--Orifice Holesg. Look through sight glass in burner enclosure and checkburner flame. Burner flame should be clear blue,

EXAMPLE: (0-2000 ft altitude)Furuace input from rating plate is 100,000 Btuh.Btu heating input Btuicu ft X cu ft.hrHeating value of gas 975 Bmicu ftTi

SUBBASETERMINALS WiTHTHERMOSTATREMOVED24-VOLTTERMINAL BLOCKEXAMPLE 5 0 AMPS ON AMMETER = 0 5 AMPS FOR THERMOSTAT SETTING/0 TURNS AROUND JAWSA80201Fig.

CHECKLIST--INSTALLATIONLOAD CALCULATION Condensate DrainHeating Load (Btuh) Unit Level or Pitched ForwardCooling Load (Btuh)Furnace Model SelectionCOM

___>INSTALLATION• This forced air furnace is equipped for use with naturN gas at altitudes 0 - 10,000 ft (0 - 3,050m), except 140 size furnaces are

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Copyright 2003 CARRIER Corp. • 7310 W. Morris St ° Indianapolis, IN 46231 58mxa14siManufacturer reserves the right to discontinue, or change at any ti

BLOWERSHELFT- FURNACE_DOORCONDENSATE \TRAP (tNSlDE) L IFIELD ii_DRAINCONNTUBE LOCATIONCONDENSATE TRAP --DRAIN TUBE LOCATIONUPFLOW APPLICATIONSi; CONDE

DRAIN TUBE (BLUE& WHITE STRIPED)TUBE (PINK)©COLLECTOR BOXTUBE (GREEN)INDUCER HOUSING(MOLDED) DRAINTUBE (BEHINDCOLLECTOR BOXDRAIN TUBE)COLLECTOR BO

COLLECTORDRAIN TUBE (BLUE)PLUGTUBE (GREEN)EXTENSION TUBETUBE (PINK)COLLECTORDRAIN TUBE (BLUE& WHITE STRIPED)EXTENSION TUBETRAP©INDUCER HOUSINGDRAI

b. InstallremovedclampandplugintoUPPERcollectorbox&ainrobe(bluelabel)whichwasconnectedtocondensatetrap.c.ConnectLOWERcollectorboxdrainconnectionto