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Carrier 4-WAY MULTIPOISE FIXED-CAPACITY DIRECT-VENT CONDENSING GAS FURNACE 58MXA Operating instructions
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58MXA Deluxe 4-Way Multipoise Fixed-Capacity Direct Vent Condensing Gas Furnace HEATING & COOUNG Visit www.carrier.cmn Installation, Start-Up, and Operating Instructions Sizes 040-140, Series 160 Condensate Trap Freeze Construct Horizontal a Working Right Applications Condensate Trap Tubing ................................................... Condensate Trap Field Drain a Working This symbol entire instruction --> indicates a change starting the AND ..................................................... 2 .......................................................................... STANDARDS ELECTROSTATIC DISCHARGE APPLICATIONS (ESD) PRECAUTIONS 13 Location General ...................................................................................... 5 Upflow Applications 5 ................................................................. Condensate Trap Location Orientation) .......................................................................... 5 Condensate Orientation) Trap Tubing (Factory-Shipped .......................................................................... 6 Condensate Trap Location Orientation) .......................................................................... Condensate Trap Tubing Orientation) .......................................................................... 7 Condensate Trap Field Pressure Upper Switch Collector (Unused) Drain Condensate Downflow (Alternate Drain Box and Inducer Connections Trap Freeze Condensate Trap Tubing Condensate Trap Field Horizontal Tubing ....................................................... Trap Freeze Protection Trap Location Condensate Trap Tubing Condensate Trap Field Manufacturer Switch Tubing ..................................................... Catalog No. 535-80090 16 16 .................................................... ..................................................... 16 17 Air Connections Air Connections 17 18 Gas Piping ............................................................................... Electrical Connections ............................................................ 18 19 115 v Wiring ..................................................................... 20 24 v Wiring ....................................................................... Accessories ........................................................................ 20 21 Direct Venting Removal Vent ......................................................................... of Existing Systems Furnaces 21 fi'om Common ..................................................................... Combustion-Air and Vent Piping 23 ..................................... General 8 9 Sequence 9 27 32 32 32 ............................................................ Mode .................................................................... 32 32 32 33 Cooling Mode .................................................................... Thennidistat Mode ............................................................ 35 35 Continuous Blower 35 Heat Pump Mode ............................................................... 38 Component Test ................................................................. 38 START-UP General Prime or change at any time, specifications Printed in U.S.A. ............................................................................... of Operation Heating 9 10 .............................................. Application ......................................................................... Condensation Drain Protection ......................................... 9 10 Kit Installation Multiventing and Vent Terminations ................................ Condensate Drain .................................................................... 8 9 reserves the right to discontinue, PC 101 8 ..................................................... ...................... ....................................................... Treatment ....................................... 27 9 Attachments 16 16 Termination .................................................. Drain 14 Filter Arrangement .................................................................. Bottom Closure Panel ............................................................. Discharge) .............................................................................. Condensate Pressure .................................... ............................................................................ 8 8 .......................... 14 and Downflow 27 ..................................................... Attachment 14 ..................................................... 7 8 Left (Supply-Air Applications .................................... 13 14 Vent Extension Pipe .......................................................... Concentric Vent and Combustion-Air .................................................. Drain in Upflow Supply Return 6 Housing ............................................... Protection Trap Location Condensate .......................... ............................................................ Condensate Switch Attachment ......................................................................... Legs (If Desired) General Requirements Ductwork Acoustical Upflow Tubing ....................................................... Applications Pressure Upflow to Cooling Installation in Horizontal Applications .................................. Air Ducts ................................................................................. (Factory-Shipped (Alternate Relative ............................................................................... Locations ............................................................... Leveling ........ 3 5 12 Furnace 3 ............................................................................ 12 13 3 ........................................................ .................................. .......................................... 12 12 .................................................................................... Applications since the last issue. Protection Platform 11 General Equipment Hazardous OF CONTENTS CONSIDERATIONS INTRODUCTION CODES before ........................ .................................................................................. Installation TABLE SAFETY manual Attachment LOCATION INSTALLATION the .................................................. Tubing ..................................................... Trap Freeze Construct 10 11 Trap Location Switch 10 Discharge) ............................................................................ Condensate NOTE: Read installation. (Supply-Air .................................. .......................................... Condensate Pressure A93040 Protection Platform Mode ................................................. PROCEDURES ........................................................ .................................................................................... Condensate or designs Form 58MXA-14Sl ?" f . ...................................... Trat_ V_lth V_ate1 ! without notice Pg 1 39 39 39 and without incurring obligations. 3-03 Replaces: 58MXA-13Sl Purge Gas Lines ...................................................................... 40 Adjustments ............................................................................. Set Gas Input Rate ............................................................ Set Temperature Adjust Blower Set Thermostat Check Safety Check Check Checklist Improper 47 nance, Mode) ............................ 47 sion, ...................................... 47 cause personal 48 installer, 48 48 tor or branch 48 listed kits or accessories when modifying to follow could Rise ........................................................ Off Delay (Heat Heat Anticipator Controls Primary Pressure 40 40 ............................................................ Limit Control ........................................... Switch ...................................................... .................................................................................. installation, fire, electrical or agency, this warning and servicing electrical should Untrained personnel These only by The qualified and Failure shock, fire, to basic heating due to qualified equipment. maintenance personneh precautions or and functions air filters. All other operations service observe can be hazardous trained or service shipped When in literature, with unit must working on on tags, and and other safety that may apply. cover those the minimum safety available calls. requirements and conform standards and safety codes. In some instances, exceed certain local codes and ordinances, that may not have kept up with changing tial construction practices. We minimum for a safe installation. O or your distribu- in electrical Only perform trained instructions Wear may a qualified this product. equipment and replacing attached especially AIRFLOW Consult _actory-authorized result repair, can to existing national these instructions REGISTERED QUALITY SYSTEM which or assistance. use heating install, equipment, labels explo- conditions damage. components. personnel precautions mainte- or death. gas such as cleaning selwice, poisoning, local gas supplier, must Installing heating or other or property agency be performed monoxide for information personal injury, and alteration, carbon shock, injury service installer on adjustment, or use can cause glasses during and work start-up require these gloves. Have and adjustment residen- instructions as a a fire extinguisher procedures and service tr_ [,_T,wj_[,]]] Sheet metal parts may have sharp edges wear appropriate protective dling parts. Failure personal injury. Recognize _ LEFT HORIZONTAL When ] safety you manuals, AIRFLOW AIRFLOW AIRFLOW Fig. 1--Multipoise A93041 Orientations attention temperature installation servicing of this furnace given to vent sizing rise, unit premature identifies component hazards which could result is used to identify injury suggestions unit and practices symbol with hazards would damage. will result CAU- which will WARNING which or the safety-alert signifies injury or death. and property zJ)x • in instructions WARNING, are used in personal in injury. DANGER, or death. han- result CAUTION result NOTE in enhanced in minor is used to installation, or operation. 58MXA Multipoise rating plate) sizing. Improper closets, can require excessive factory-shipped _ailure. when could the most serious which gas input rate, air special caution for personal injury unsafe design-certified with on the words or product C.S.A. and unit of furnace personal The be indoors this words: DANGER reliability, and material, leveling, or misapplication or cause should signal in severe highlight ¥:I ["]2lli][,]'/l Application these or bun's. Use care and and gloves This is the safety-alert symbol These personal SAFETY CONSIDERATIONS information. this and NOTE. symbol. result to Ibllow be alert to the potential Understand TION, © see clothing and utility conversion Condensing Ibr natural for installation rooms, with kit is required Furnaces are gases (see furnace in alcoves, attics, crawlspaces, for use Gas-Fired and propane and garages. natural to convert gas. furnace basements, The A C.S.A. furnace listed is gas for use with propane gas. See Fig. 3 for required Maintain a 1-in. clearance ductwork for a distance See NFPA These 90B or local furnaces SHALL clearances of 36 inches NOT installations, be installed material factory materials horizontally code for further tile, or any other combustible downflow to combustibles. from combustible to supply requirements. directly on carpeting, other than wood flooring. accessory air fi'om the fumace. floor base MUST In be other used when installed oncombustible materials andwoodflooring. Special baseis notrequired whenthisfuruace is installed on manufacturer's CoilAssembly PartNo.CD5orCK5,orwhen (?oil BoxPartNo.KCAKC isused. The58MXA 040through 120sizeunitsareC.S.A. (AGAand CGA)design-certified foruseinmanufactured (mobile) homes when factory accessory conversion kitisused. The140sizeunitis NOTdesign-certified forusein manufactured (mobile) homes. These li_rnaces aresuitable forinstallation inastructure builton siteoramanufactured building completed atfinalsite.Thedesign ofthisli_rnace lineisNOTC.S.A. design-certified forinstallation inrecreation vehicles oroutdoors. ----> ThisIi_rnace is designed for continuous return-air minimum temperature of60OFdborintermittent operation down to55°Fdb suchaswhenused withanightsetback thermometer. Return-air temperature mustnotexceed 85°Fdb.Failure to followthese return airlimitsmayaffect reliability ofheatexchangers, motors andcontrols. SeeFig.4. These fumaces areshipped withthe&ainandpressure tubes connected forUPFLOW applications. Minormodifications are required when used inDOWNFLOW, HORIZONTAL RIGHT, or HORIZONTAL LEFT(supply-air discharge direction) applicationsasshown inFig.1.Seedetails inApplications section. Thisfuruace mustbeinstalled withadirect-vent (combustion air andfluegas)system andafactory accessory termination kit.Ina direct-vent system, allairforcombustion istaken directly fromthe outdoor atmosphere andfluegases aredischarged totheoutside atmosphere. Seefi._rnace andfactory accessory vent-air intake termination kitinstructions forproper installation. These furuaces areshipped withthefollowing materials toassist in proper li_rnace installation. These materials areshipped inthemain blower compartment. Installer Packet includes: Step ----> • Collector Box or condensate trap extension tube ----> • National National Step 2--General • MA 02269; Association, onto), Ontario, • US: Section Ventilation CANADA: Supply Step 4---Duct ----> • Step • 5--Acoustical tested 6--Gas and and Air and edition Fibrous Glass of SMACNA, 181 for Class I Rigid Duct NFPA 90B as Air Ducts CANADA: NSCNGPIC 7--Electrical Gas Pipe Engineers 34. Pressure Testing plumbing codes Parts 3, 4, 5, A, B, E, and H. Connections DISCHARGE (ESD) 70-2002 PRECAUTIONS ¥:I ['_Xlii][,]'/1 installation i. discharge can during the fi.lrnace affect fi_rnace electronic discharges are held during exposing electronic installation control. Precautions fi'om personnel the procedure. the control the fi_rnace, the control, components. and servicing These will to pre- and hand tools precautions will to electrostatic discharge and the person at the same potential. Disconnect all power to the furnace. Multiple disconnects may be required. DO NOT TOUCH THE CONTROL OR ANY WIRE CONNECTED TO THE CONTROL PRIOR TO DISCHARGING The model 58MXA 4-way multipoise, Gas-Fired, Category IV, direct-vent condensing furuace is available in model sizes ranging in input capacities of 40,000 to 138,000 Btuh. STANDARDS and local codes and standards must comply local building, Lining ELECTROSTATIC INTRODUCTION gas supplier, Systems US: National Electrical Code (NEC) ANSIiNFPA CANADA: Canadian Electrical Code CSA C22.1 * ONLY supplied with some furnaces. of the serving Venting 2, 3, 4, and 9 and national electrostatic The installation Combustion and by putting these instructions. for chapters !* all national Air Piping help to avoid Follow Sales, (Tor- Air US: NFGC; 1 AND and -B149,1 contact the American Gas Washington DC 20001 NFGC, cun'ent by UL Standard 2 CODES Gas 1R3, Canada. of" the US and CANADA: which to accessory Natural CANiCGA ety of Heating, Refrigeration, and Air Conditioning (ASHRAE) 2001 Fundamentals Handbook Chapter vent electrostatic refer ANSI Air Heating Systems 3 details, 54-2002 US and CANADA: Air Conditioning Contractors Association (ACCA) Manual D, Sheet Metal and Air Conditioning Contractors National Association (SMACNA), or American Soci- protect installation of Canada, (NSCNGPIC) Part 7 of the NSCNGPIC, 2 ----> For accessory instructions. for for Appliances Vent and combustion-air Vent Pipe Extension NFPA and Ventilation 5.3 Take precautions disk assembly all codes and standards (NFGC) Standard M9W Electrostatic intake hole filler plug Code Code Step a--Combustion 1 pipe perforated must CANADA: NSCNGPIC. For a copy, contact Standard CSA International, 178 Rexdale Boulevard, Etobicoke 1 Combustion-air follow or for only the NFGC 400 N. Capitol, N.W., Drain tube coupling grommet Vent and combustion-air installation and all authorities Installation Drain tube coupling trap hole filler plug the below US: NFGC and the NFPA 90B. For copies, contact the National Fire Protection Association Inc., Batterymarch Park, Quincy, 1 2 Condensate Gas Propane Installation -and.2 M-00 Inducer housing drain tube 1/2-in CPVC street elbow pipe support and Canada, Fuel CANADA: • 1 codes, listed Z223.1-2002 and the Installation Standards, Warm and Air Conditioning Systems ANSI NFPA 90B Step Quantity 1 States local codes 1--Safety US: User's Information Manual Loose Parts Bag includes: Pressure tube extension of the following: • Warranty Certificate In absence In the United Step Installation, Startup, and Operating Instructions Service and Maintenance Instructions codes. comply with the national having jurisdiction. heating, to with regulations plumbing, and BODY'S ELECTROSTATIC 2. Firmly touch the clean, unpainted, chassis which hand during in addition YOUR CHARGE TO GROUND. 3. After touching control recharge grounding body Tools wires discharged. you may proceed as long with static as you electricity of the furnace held in a person's will be satisfactorily the chassis, or connecting your metal surface is close to the control. to service do nothing (for example; the to DO ,d> AIRFLOW 22 %d' _A_ TRAP LOCATION (DOWNFLOW & HORIZONTAL LEFT) 7 OUTLET . TYP :6, ' J_ CONDENSATE DRAIN TRAP LOCATION (DOWNFLOVV POWER GAS TL AiR CONN & HORIZONTALRIGHT) OR ALTERNATE /zqNDiAGAS CONN CONN CONN "_ 1 ENTRY _ --_ _ /_.j,/ P2qND_A GASCONN _/sIN DIA ii_ 2_N POWER CONN + COMBUSTION THERMOSTAT ENTRY 39_" }'s IN DIA ACCESSORY POWER ENTRY 14 _#" TYPi [7 I I i SIDEINLET I ( DRAIN TRAP LOCATION (ALTERNATE UPFLOWI i !8 _/4, , 9 _m_ TYP _ +b, .................. '1L-- _z] ! ! 14" 1 "_ I 23 'A" TYP _/6" J ),F' NLEt T DRAIN LOCATION (UPFLOW) DRA_NLOCA_ON (UPFLOW) DIMPLELOCATORS FORHORIZONTAL HANGING SIDE_/GrrTyP INLET 26 4_ NOTES: BOTTOMINLET 1. Minimum returmair openings at furnace, based on metal duct, If flex duct is used, see flex duct manufacturer's recommendations for equivalent diameters, 2, Minimum returmair opening at furnace: a, For 800 CFM-16qn, round or 14# x 12-in, rectangle, b, For 1200 CFM-20-im round or 14/2 x 19 #qn, rectangle, c, For 1600 CFM-22-in, round or 14# x 23/_qn, rectangle, d, For airflow requirements above 1800 CFM, see Air Delivery table in Product Data literature for specific use of single side inlets, The use of both side inlets, a combination of 1 side and the bottom, or the bottom only will ensure adequate return air openings for airflow requirements above 1800 CFM at 0,5 W,C. ESP, Dimensions (in.) UNIT SIZE A D E 040-08 17-1/2 15-718 16 040-12 17-1/2 15-718 16 060-08 17-1/2 15-718 16 060-12 17-1/2 15-7/8 16 060-16 17-1/2 15-7/8 16 080-12 17-1/2 15-7/8 16 080-16 17-1/2 15-7/8 16 080-20 21 19-3/8 19-1/2 100-16 21 19-3/8 19-1/2 100-20 21 19-3/8 19-1/2 120-20 24-112 22-7/8 23 140-20 24-112 22-7/8 23 A02149 Fig. 2--Dimensional Drawing 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 only approved for altitudes 0 - 7,000 ft. (0 - 2,135m). • An accessory kit, supplied by the manufacturer, shall be used to convert to propane gas use or may be required for some natural gas applications. • This furnace is for indoor installation in a building constructed on site. Ti_is furnace may be installed in a manufactured (rsebile) home _M'_enstated on rating plate and usin factory authorized kit. Thiqgfumace may be installed on combustive flooring in alcove or closet at Minimum Inches Clearance To Combustible Construction as described below. This furnace requires a special venting system. Refer to the installation instructions for parts list and rcethod of installation. This furnace is for use with scbedule40 PVC, PVC-DV%/, CPVC, or ABS-DWV pipe, and must not be vented in comman with other gas-fired appliances. Construction through _M'ich vent/air intake pipes may be installed is rnaximam 24 inches (600 ram), minimum 3/4 incbes (19 ram) thickness (induding roofing materials). LEVEL (0")TO 1/2" MAX For upflow and downflow applications, furnace must be installed level, or pitched within 1/2" of level. Fora horizontal application, the furnace must be pitched minimum 1/4" to maximum of 1/2" forward for proper drainage. See installation Manual for IMPORTANT unit support details on horizontal applications. UPFLOW MIN 1/4'rTO 1/2" MAX OR DOWNFLOW HORIZONTAL MINIMUM INCHES CLEARANCE TO COMBUSTIBLE CONSTRUCTION This furnace is approvedfor UPFLOW, DOWNFLOWand HORIZONTALinstallations ALL POSITIONS: -.e Mh_imum front clearance for service 30 inches (762rnm). 1 1 140 size furnaces require 1 inch back clearance to combustible DOWNFLOWPOSITIONS: materials. Clearance arrows do not change with furnace orientation. 1- For installation on sembustible floors only when installed on special base No. KGASB0201ALL Coil Assembly, Part No. CD5 or CK5, or Coi! Casing, Part No. KCAKC. HORIZONTAL POSITIONS: Line contact is permissible only between lines formed by intersections of top and two sides of furnace jacket, and building joists, studs, or framing. Clearance show]_ is for air inlet and air outlet ends. 120 and 140 size furnaces require 1 inch bottom clearance to combustible materials. Vent clearance to combustibles0" Clearance in inches. 328066-20t REV. A LIT -TOP J A02248 Fig. 3--Clearances ___> to Combustibles 6. Before your MAX 85°F removing body's control from furnace, follow or yourself controls a new control electrostatic damage. items in contact into containers 7. An ESD service also be used Local MIN 550F __R_UR_N-N 'i A93042 Fig. 4--Return-Air NOT move objects, 4. shuffle your feet, do not touch ungrounded If you touch static electricity), Use this fumaces. ungrounded of the objects firmly furnace procedure again for (and touch a before installed and recharge clean, touching uninstalled your unpainted control body 1 through 4 before before discharge to protect is to be installed with the furnace. touching bringing the in a the control Put all used and new ungrounded objects. from commercial sources) may ESD damage. a drain pan under condensate trap when a condensing application or over a finished furnace entire furnace and is used in an attic ceiling. APPLICATIONS Step l--General Some assembly and modifications are required for furnaces installed in any of the 4 applications shown in Fig. i. All drain and pressure robes are connected as shown in Fig. 6. See appropriate application instructions for these procedures. Step 2--Upflow Temperature etc.). suriZace 5. or codes may require to ground If the control kit (available to prevent fi'om its container, charge Applications An upflow furnace application is where furnace blower is located below combustion and controls section of furnace, and conditioned air is discharged upwards. with metal or wires. (ungrounded) CONDENSATE TRAP LOCATION ORIENTATION) (FACTORY-SHIPPED The condensate trap is factory installed in the blower shelf and factory connected for UPFLOW applications. A _aetory-supplied BLOWER SHELF T- FURNACE i; CONDENSATE _DOOR \ CONDENSATE _ TRA;uRNAC FURNACE -- E i Z OOR SIDE, i" TRAP (tNSlDE) L FURNACE SIDE I FIELD ii_ DRAIN CONN 261/4 FIELD[--/ 4 ¾ 1 /2 DRAIN CONN TUBE LOCATION SIDE VIEW CONDENSATE TRAP -DRAIN TUBE LOCATION FRONT VIEW END VIEW HORIZONTAL APPLICATIONS DOWNFLOW AND ALTERNATE EXTERNAL UPFLOW APPLICATIONS UPFLOW APPLICATIONS 7 (OPTIONAL) FRONT VIEW ¼0D COLLECTOR TRAP RELIEF / .,.i 11/2 ! ½0D INDUCER DRAIN BOX TO PORT HOUSING CONNECTION OD COLLECTORBOX DRAIN CONNECTION SCREW HOLE FOR UPFLOW OR DOWNFLOW APPLICATIONS (OPTIONAL) GUIDES (WHEN V_-IN PVC OR CPVC USED) FRONT VIEW SIDE VIEW A93026 Fig. 5--Condensate tube is used to extend the condensate desired furnace side for field drain Trap Tubing extension (Factory-Shipped details. trap drain attachment. Orientation) connection to the See Condensate section for drain robe Trap b. Remove and discard desired side. c. Install (See Fig. 5.) CONDENSATE TRAP TUBING (FACTORY-SHIPPED d. Slide ORIENTATION) NOTE: confirm i. Collector Box Drain, Inducer Pressure Switch Tubes. tubes pressure robes should drain label), label label and pressure field attachment a. Determine trap Relief Port, and to condensate location These and also robes are identified robe (blue label), relief tube (pink drain connection inducer as tube coupling Ifintemal be extended for the following: (factory-supplied (_actory-supplied ensuring in in loose long end of coupling parts faces 1/2-in. street CPVC Fig. be 6.) These Failure draining. f. Connect elbows to use CPVC larger supplied must to condensate parts to trap. (See together and trap drain connection. elbows diameter in loose cemented elbows may allow &ain to kink and drain robe and clamp (factory- trap and clamp bag) to condensate securely. g. Route robe to coupling h. Attach tube to coupling CONDENSATE TRAP and cut to appropriate and clamp LOCATION length. securely. (ALTERNATE UPFLOW ORIENTATION) of field drain connection. (See Fig. 2 or An alternate of casing. filter or side Filter.Media grommet from hole. on the condensate prevent (green label). 6.) NOTE: casing 2 factory-supplied NOTE: housing port tube must grommet button the rigid drain tube connection cemented trap and applications. connection These coupling hole plug door to Tube by doing location furnace Drain, attached or molded), switch Trap Drain condensate tube. box &ain (violet 2. Condensate The on main Housing by their on each collector tube &ain e. Cement be _actory can be identified follows: label switch ready for use in UPFLOW by a color tube drain bag) in selected bag) through blower. See Fig. 6 or robe routing location of these robes. These &ain loose parts casing Cabinetis tube should be located to opposite side of casing attachment to assist in filter removal. used, &ain from remm duct NOTE: location If the alternate the fi_ctory-connected nected for the condensate trap is the left-hand side (See Fig. 2 and 7.) and modified left-hand side of casing &ain and relief for attachment. port tubes location is used, nmst be discon- See Condensate Trap Tubing PLUG © COLLECTOR DRAIN TUBE & WHITE (BLUE DRAIN STRIPED) TUBE (PINK) COLLECTOR TUBE © CAP BOX TUBE (BLUE & WHITE STRIPED) COLLECTOR TUBE BOX (PINK) COLLECTOR BOX BOX TUBE (GREEN) (GREEN) COLLECTOR INDUCER HOUSING (MOLDED) DRAIN BOX TUBE (BLUE) DRAIN TUBE (BEHIND COLLECTOR BOX DRAIN TUBE) COLLECTOR DRAIN O O BOX TUBE (BLUE) HOUSING DRAIN FACTORY-SUPPLIED DRAIN TUBE COUPLING DRAIN TUBE (VIOLET) (LEFT OPTION) A94164 FIELD-INSTALLED FACTORY-SUPPLIED DRAIN TUBE FIELD-INSTALLED FACTORY-SUPPLIED DRAIN TUBE COUPLING (RIGHT DRAIN OPTION) FIELD-INSTALLED FACTORY-SUPPLIED //2-IN CPVC STREET ELBOWS LEFT DRAIN (2) FOR OPTION Fig. 6--Factory-Shipped Upflow Tube Configuration (Shown with Blower Access Panel Removed) Upflow To relocate Orientation) condensate section trap to the lbr tubing left-hand Upflow Configuration Location CONDENSATE TUBING NOTE: confirm i. perfoml the following: See Fig. 7 or tube routing location of these tubes. Collector Box Drain Connect collector NOTE: On con'ugated i. Remove 3 tnbes connected 2. Remove trap from blower and rotating trap. 3. Install casing hole bag) into blower to condensate trap. 17-1/2 filler cap (_actory-supplied tabs inward in loose inserting rotating 5. Fill robe until unused into connection tabs snap condensate caps (_actory-supplied left-hand stubs into locking trap in loose casing door to label) to condensate kinks Housing a. Remove Drain and discard parts ONLY, cut tube between from occurring. Tube LOWER (molded) was previously inducer connected housing to condensate trap. trap was removed. Casing hole filler cap must be installed in blower shelf hole when condensate trap is relocated. Failure to follow this warning could result in electrical shock, fire, personal injury or death. trap robe (blue furnaces housing _actory-supplied inducer housing condensate drain in. wide b. Use inducer 4. Install furnace Tube box drain tube which shelf hole where UPFLOW label on main to prevent sections 2. Inducer shelf by gently pushing (ALTERNATE trap. attachment. side, TRAP and Trap ORIENTATION) A94163 (Alternate Fig. 7--Alternate side through casing casing hole hole c. Determine d. Clamp 3. Relief by tube (violet label and appropriate tube to prevent length, cut, and connect any condensate tube. leakage. Port Tube a. Connect relief port tube (green label) to condensate trap. and b. Extend this tube (if required) by splicing to small diameter tube (factory-supplied in loose parts bag). position. holes drain extension in loose parts bag) to connect LOWER drain connection to the condensate trap. with plastic filler c. Determine parts bag). CONDENSATE Refer to procedures. appropriate TRAP Condensate FIELD Drain length, cut, and connect DRAIN section tube. ATTACHMENT for recommendations and COLLECTOR DRAIN TUBE (BLUE) PLUG TUBE (GREEN) EXTENSION O F PLUG F CAP O -COLLECTOR BOX DRAIN TUBE(BLUE) TUBE _ TUBE (PINK) COLLECTOR TUBE (PINK) BOX COLLECTOR BOX TUBE COLLECTOR BOX EXTENSION TUBE COLLECTOR DRAIN TUBE & WHITE (BLUE _- COLLECTOR BOX DRAIN TUBE (BLUE & WHITE STRIPED) COLLECTOR BOX EXTENSION TUBE INDUCER HOUSING DRAIN TUBE }1 I (VIOLET) STRIPED) EXTENSION (GREEN) TUBE TRAP _1I"_-- CONDENSATE © _1_ ]_-- TRAP COLLECTOR BOX EXTENSION INDUCER DRAIN Fig. HOUSING TUBE 8--Downflow (VIOLET) _DRAINcouPLINGTUBE _lr Tube Configuration Trap Installation) (Left-_6c_ Fig. 9--Downflow DRAIN TUBE Tube Configuration Trap Installation) PRESSURE SWITCH TUBING CONDENSATE TRAP The LOWER collector box pressure robe (pink label) is factory connected to the pressure switch and should not require any modification. The condensate trap must NOTE: See Fig. 6 or 7 or tube routing To to check for proper UPPER Upper DRAIN Collector Attached BOX factory-installed Drain UPPER AND INDUCER HOUSING collector plugged drain connection NOTE: See Fig. 6 or 7 or tube routing to check for proper Inducer Attached tube (blue and white striped leakage label on main in this furnace Housing Drain from the factory-installed in selected application location relocate condensate perform trap fi'om the blower shelf to desired the following: i. Remove 3 tubes connected 2. Remove trap from blower to condensate trap. shelf by gently pushing tabs inward trap. casing hole filler cap from casing hole. (See Fig. 2, 8, or 9.) 4. Install casing hole filler cap into blower was removed. shelf hole where trap door (unused) ___> Casing Connection inducer housing This cap is used to prevent in this application. Ensure this connection NOTE: See Fig. 6 or 7 or tube routing to check for proper drain connection condensate leakage condensate warning could or death. trap result be installed is relocated. in electrical in blower Failure shelf hole to follow shock, fire, personal this injury is capped. label on main furnace door connections. 5. Install condensate robe connection trap section for recommenda- Applications A downflow furnace application is where furnace blower is located above combustion and controls section of furnace, and conditioned air is discharged downwards. CONDENSATE into desired stubs through tabs snap into locking TRAP FREEZE PROTECTION Refer to Condensate Drain Protection tions and procedures. hole filler cap must when is a cap and clamp. Step 3--Downflow be removed and relocated connections. to the UPPER CONDENSATE is a LOCATION in Fig. 2, 8, or 9. 3. Remove box label). This robe is plugged to prevent condensate application. Ensure this tube is plugged. Upper as shown and rotating Connection corrugated, shelf location location, CONNECTIONS Box to the door connections. COLLECTOR (LEX'USED) label on main furnace blower (Right-_6c_ TRAP until label on main fumace door T TLBING See Fig. 8 or 9 or robe routing to check for proper Relocate robes a. Remove hole by inserting hole and rotating position. NOTE: i. Collector casing casing connections. as described Box Drain below. Tube factory-installed drain tube (blue and white plug from LOWER striped label). collector box b. Install removed clamp andplugintoUPPER collector box &ainrobe(bluelabel) whichwasconnected tocondensate trap. c.Connect LOWER collector boxdrainconnection tocondensate trap. (1.)Condensate TrapLocated onLeftSideofCasing (a.)Connect LOWER collector box&aintube(blue andwhitestriped label) tocondensate trap.Tube does notneed tobecut. (b.)Clamp tubetoprevent anycondensate leakage. (2.)Condensate TrapLocated onRightSideofCasing (a.)Installdraintubecoupling (factory-supplied in loosepartsbag)intocollector boxdraintube (blueandwhitestriped label) whichwaspreviously plugged. (b.)Connect largerdiameter &aintube(facto Wsupplied in loosepartsbag)to&ainrobecoupling,extending collector boxdraintubefor connection tocondensate trap. (c.)Route extended collector box&ainrobedirectly fromcollector box&aintocondensate trapas shown inFig.9. (d.)Determine appropriate length andcut. (e.)Connect tocondensate trap. (f.) Clamp robe toprevent anycondensate leakage. 2. Inducer Housing a. Remove housing b. Remove and cap and clamp from discard UPPER (molded) was previously LOWER inducer connected housing to condensate trap. c. Install cap and clamp on UPPER inducer housing connection where molded &ain tube was removed. d. Use inducer supplied housing housing in loose &ain e. Connect &ain parts housing &ain LOWER inducer to the condensate trap. drain to condensate connection (2.) Trap Located (a.) Detemfine (b.) Connect (c.) Clamp tube to prevent Condensate Trap Located (a.) inducer Route directly (b.) Connect (d.) Clamp Switch CONDENSATE TRAP to Condensate for proper i. Disconnect pressure collector drain housing PRESSURE appropriate length robe to condensate tube to prevent One collector by splicing Tubing FIELD door tube (pink label) attached to pressure tube (green to condensate to small diameter label) which was trap relief port connection robe @actory-supplied in loose 3. Connect collector switch connection box pressure tube (green label) labeled COLLECTOR BOX. to pressure 4. Extend box pressure which collector previously connected ing small diameter 5. Route tube to pressure (pink label) switch by splicing robe @actory-supplied this extended tube (pink was to remain- in loose parts bag). label) to condensate trap relief port connection. 6. Determine 7. Clamp appropriate CONDENSATE Refer length, tube to relief TRAP to Condensate cut, and connect tube. port connection. FREEZE Drain PROTECTION Protection section for recommenda- tions and procedures. 4---Horizontal Left (Supply-Air Discharge) A horizontal left furnace application is where fln'nace blower is located to the right of combustion and controls section of furnace, and conditioned air is discharged CONDENSATE TRAP The condensate as shown To trap to the left. LOCATION must be removed shelf location and relocated from the fi_ctory-installed in selected application location in Fig. 2 or 10. relocate condensate perform Remove 3. Install trap from the blower shelf to desired the following: 3 tubes connected to condensate trap l}om blower trap. shelf by gently pushing tabs inward trap. casing hole filler bag) into blower cap (factory-supplied shelf hole where in loose parts trap was removed. leakage. Side of Casing tube (violet label) to condensate trap 4. Install and cut. condensate inserting trap. rotating any condensate leakage. robe until 5. Fill unused section for connection DRAIN ATTACHMENT section for procedure. trap recommendations NOTI=: and check for use when fi_rnace is installed in UPFLOW to left-hand stubs trap casing in loose parts bag) hole hole by and position. holes with plastic filler bag). label on main fl_rnace door to connections. Box Drain Tube drain tube coupling into collector previously casing casing TUBING See Fig. 10 or tube routing Collector side through tabs snap into locking TRAP for proper a. Install robe (pink label) is t_actory connected into connection condensate CONDENSATE TUBING box pressure label on main fumace parts bag). i. switch box caps (factory-supplied Drain SWITCH box pressure connected and rotating and cut. any condensate applications. connections. collector previously trap. on Right to the pressure RIGHT switch. 2. Extend i. procedures. the pressure See Fig. 8 or 9 or robe routing to check Port Tube Refer to Pressure Refer length for the in Fig. 9. Determine (c.) housing from inducer as shown 3. Relief appropriate be connected or HORIZONTAL NOTI=: on Left Side of Casing robe to condensate MUST in DOWNFLOW 2. Remove Condensate and used port connection relief switch location, trap. (1.) be disconnected trap blower label and factory- bag) to connect connection inducer tube (violet tube MUST trap relief port robe. The other collector box pressure label) which was factory connected to the condensate Applications drain connection. tube which This condensate tube (green Step Tube factory-installed inducer &ain Drain applications connected (factory-supplied box drain tube (blue to condensate trap. in loose label) which parts was PLUG -- AUXILIARY "J" BOX _/ CAP COLLECTOR BOX DRAIN TUBE (BLUE AND WHITE STRIPED) O Ii O CONDE T COLLECTOR BOX TUBE (GREEN) DRAIN TUBE (VIOLET) BOX EXTENSION DRAIN TUBE BOX DRAIN TUBE (BLUE) COLLECTOR BOX EXTENSION TUBE DRAIN TUBE COUPLING RELOCATE TUBE BETWEEN COLLECTOR BOX TUBE (PINK) BLOWER SHELF AND INDUCER HOUSING FOR 040, 060, AND 080 HEATING INPUT FURNACES A00215 Fig. lO--Horizontal b. Connect large supplied extended d. Clamp robe and clamp PRESSURE (fi_ctoryextend- The box drain robe. to condensate extended, tube to prevent Drain any condensate leakage. drain and discard robe which LOWER (molded) was previously inducer connected housing b. Use inducer housing factory-supplied inducer housing c. Determine d. Clamp 3. Relief LEFT drain extension in loose drain appropriate tube to prevent parts connection length, tube (violet label and to connect LOWER bag) to the condensate cut, and connect any condensate 2. Use collector ously connected diameter b. Route tube (factory-supplied extended connection c. Determine d. Clamp CONDENSATE Refer to box robe (green label) to the condensate collector which box pressure trap. appropriate cut, and connect tube to prevent TRAP Condensate FIELD Drain length, DRAIN section 4. Determine pressure port tube. leakage. ATTACHMENTS for tube (pink label) attached to robe (factory-supplied in item in loose parts 1. housing. blower shelf and inducer motor housing. bracket. inducer recommendations switch to Condensate tions and procedures. Construct procedures. platfoml switch. and reconnect COLLECTOR robe BOX. PROTECTION Protection section for recommenda- PLATFORM where are met. (See Fig. 3 and 11.) 10 cut, labeled FREEZE Drain A WORKING working and pressure length, connection TRAP Refer CONSTRUCT and motor appropriate CONDENSATE any condensate door to robe: inducer d. Between to small bag). tube to relief on the condensate in was previ- trap by splicing in loose parts switch below. robe disconnected inducer c. Behind a. Extend be disconnected, to the pressure label on main furnace box pressure diameter extended b. Between Port Tube MUST switch. a. Behind leakage. tube is factory is installed applications. collector smaller 3. Route label) connections. bag) to extend tube. This tube as described pressure trap. tube (pink for use when furnace See Fig. 10 or tube routing i. Disconnect trap. switch and then reconnected for proper Modify to condensate box pressure applications. rerouted, NOTE: check a. Remove collector HORIZONTAL Tube TUBING to the pressure in UPFLOW trap and cut length. Housing SWITCH LOWER connected tube (blue label) to appropriate 2. Inducer drain in loose parts bag) to &ain tube coupling, ing collector c. Route diameter Left Tube Configuration all required furnace clearances to INTAKE A 12-1N SECTION 30" MIN HORIZONTAL IS RECOMMENDED SHORT (5 TO 8 FT) VENT TO REDUCE EXCESSIVE CONDENSATE DROPLETS EXITING THE VENT PIPE MIN SHUTOFF GAS VALVE PIPE WITH SYSTEMS FROM ACCESS OPENING FOR TRAP DRAIN SEDIMENT TRAP CONDENSATE TRAP NOTE: LOCAL CODES MAY REQUIRE A DRAIN PAN UNDER THE FURNACE AND CONDENSATE TRAP WHEN A CONDENSING FURNACE IS INSTALLED ABOVE FINISHED CEILINGS. A93031 Fig. l 1--Attic Location and Working Platform CONDENSATE The The condensate trap MUST Fig. 5 for dimensions. trap must be installed The also be properly drain sloped below furnace. See connection to condensate to an open &ain. i. Right (Supply-Air relocate must be removed and relocated condensate perform Remove from the fMtory-installed in selected application location fi'om connected the blower to condensate trap from blower and rotating 3. Install trap shelf to desired the following: 3 tubes 2. Remove trap. shelf by gently pushing tabs inward trap. casing hole filler bag) into blower Discharge) LOCATION in Fig. 2 or 12. location, NOTE: A 12-in. minimum offset pipe section is recommended with short (5 to 8 It) vent systems. This recommendation is to reduce excessive condensate &oplets from exiting the vent pipe. (See Fig. 11 or 34.) trap shelf location as shown To Step 5--Horizontal Applications condensate blower NOTE: Combustion-air and vent pipes are restricted to a miramum length of 5 ft. (See Table 7.) TRAP cap (f_actory-supplied shelf hole where in loose parts trap was removed. A horizontal right furnace application is where furnace blower is located to the left of combustion and controls section of furnace, and conditioned air is discharged to the right. V:I["IAli_'T/7 Local codes may require a drain pan under condensate trap when application or over a finished a condensing entire fumace furnace is used 4. Install and condensate inserting in attic rotating ceiling. robe until 5. Fill unused NOTE: In Canada, current NSCNGPIC NOTE: The junction installations shall be in accordance Installation (:odes and.or local codes. box (J-Box) side of furnace casing. (See section for J-Box relocation. Fig. MUST be relocated 12) See Electrical with trap to opposite CONDENSATE NOTE: check i. left-hand stubs trap TRAP Collector parts casing casing hole hole by and position. holes with plastic filler bag). TUBING See Fig. 12 or tube routing for proper a. Remove label on main furnace door to connections. Box Drain Tube factory-installed drain tube (blue and white 11 casing in loose side through tabs snap into locking condensate caps (factory-supplied Connection into connection plug from LOWER striped label). collector box CAP ---1 \ RPLUG \ /-- COLLECTOR BOX DRAIN TUBE (BLUE) c,, / F OC 'oyO o OXTox E x s Eo"& ,'// FOOL'EOTORBOXTOBE P'NK IZJI I AUX,LARY"J"BOXRELOOATEDH 2XTTs%Z E / INDUCER HOUSING j CO22ENSATE / DRAIN TUBE (VIOLET) COLLECTOR BOX J EXTENSION TUBE A00214 Fig. 12--Horizontal b. Install removed &ain tube (blue condensate c. Connect collector label) connected label) d. Clamp which was previously to condensate Housing &ain Drain housing b. Remove and condensate trap relief tube (green label) tube which NOTI=: leakage. check for proper connections. Relocate robes as described below. cap and clamp from LOWER UPPER inducer housing 2. Extend (molded) was previously connected d. Use inducer housing _actory-supplied inducer housing e. Determine f. Clamp &ain extension tube (violet length, cut, 3. Route &ain box pressure tube (pink label) tube to condensate to small diameter and connect any condensate tube 5. Use to door to attached to (green label) which was trap relief port connection tube (factory-supplied in loose PRESSURE One collector remaining loose parts label) which 6. Route Switch Tubing FIELD Drain SWITCH section for robe behind inducer motor inducer and pressure smaller diameter bag) to extend tube collector was previously (factory-supplied box pressure connected to pressure in tube {pink to pressure switch. robe (pink label) to condensate trap relief connection DRAIN section 8. Clamp ATTACHMENT for recommendations robe (pink label) is fi_ctory connected for use when This tube MUST furnace is installed be disconnected to Condensate tions and procedures. length, cut, and connect tube. port connection. FREEZE Drain PROTECTION Protection section for recommenda- A WORKING PLATFORM Construct working platfoml where all required furnace clearances are met. (See Fig. 3 and 11.) in UPFLOW and used TRAP Refer CONSTRUCT to appropriate tube to relief CONDENSATE and TUBING box pressure switch pressure box pressure robe (green label) labeled COLLECTOR BOX. this extended 7. Determine TRAP box between port connection. Pressure Condensate collector then leakage. Port Tube to extended 4. Connect collector switch connection LOWER trap. procedures. applications. box pressure connected motor bracket switch. trap. tube to prevent CONDENSATE the pressure collector by splicing procedure. to applications. label on main furnace label and in loose parts bag) to connect &ain connection to condensate appropriate condensate Refer to the pressure RIGHT parts bag). c. Install cap and clamp on UPPER inducer housing connection where molded &ain tube was removed. Refer collector box pressure to the condensate switch. previously to condensate or HORIZONTAL See Fig. 12 or tube routing pressure trap. 3. Relief be connected does not need to be connection. discard MUST trap. Tube i. Disconnect collector connected port connection in DOV_rNFLOW The other was _actory switch Tube &ain relief port tube. which box drain tube (blue and white any condensate fi_etory-installed inducer to trap collector tube to prevent a. Remove box trap. LOWER striped cut. 2. Inducer clamp and plug into UPPER Right Tube Configuration for the 12 P":_I [_o_ The condensate trap MUST Fig. 5 for dimensions. trap must NOTE: mum Combustion-air NOTE: A 12-in. minimum furnace. See to condensate to an open &ain. are restricted to a mira- 7.) offset pipe systems. condensate below connection and vent pipes (5 to 8 It) vent excessive (See Fig. sloped of 5 It. (See Table short reduce drain also be properly length with be installed The section This &oplets is recommended recommendation from exiting is to BACK the vent pipe. i1 or 34.) LOCATION Step h l--General This furnace must A93043 • be installed water. so the electrical components • not be installed wood flooring • be located so combustion-air and vent pipe nlaxinmm are not exceeded. Refer to Table 7. • be located • be attached from Fig. 14--Prohibit directly on any combustible material other than (refer to SAFETY CONSIDERATIONS). where available specifications electric on the furnace power rating to an air distribution Do not operate meet and be located as possible. fluorine as close This furnace may be located for dilution These When a furnace is installed by the furnace to areas the return air shall casing. The furnace to ensure within so that supply outside terminate by outside containing ducts the for combustion fore1 acids compounds that are found sives, paints, thinners, other solvents. and ventilation. corrode the in paneling masonry cleaning heat These exchangers. and dry wall adhematerials, and many special will not be a negative room or space. the furnace, sealed space there to furnace containing pressure the condition 4 t 1/2" MAX TO 1/2" MAX UPFLOW HORIZONTAL A02146 OR DOWNFLOW Fig. 13--Furnace For upflowidownflow or pitched operation. For horizontal maximum fi'om secondary A93058 Location for Proper Condensate Drainage it is level 1/2-in. If the furnace ducts carry air circulated the space LEVEL (0") NOTE: space without during construction. air. also be handled ducts equipment in a confined or ventilation compounds compounds Refer to Air be provided with ample space for servicing and cleaning. Ahvays comply with minimum fire protection clearances shown on the furnace clearance-to-combustibles label. provisions this furnace is required for temporary heating of buildings or structures under construction, use clean outside air fi'ee of chlorine and plate. system Installation on Back ¥.,I [..T_luhd[0],'l lengths and gas supplies system to the center of the distribution Ducts section. • are protected applications forward within applications forward pitch to ensure heat exchangers. install furnace 1/2-in. proper for proper 1/4-in. ¥.'_["_'] If furnace drainage ambient measures Do not install furnace will be adversely back of furnace. fire, personal on its back. affected. Failure injury, Never to follow or death. "/I to (See Fig. 13.) kv' '1_]211X' Protection so that furnace minimum condensate Fig. 15--Freeze is installed temperatures nmsit in an unconditioned may be 32°F or lower, be taken. (See Fig. space where the freeze protection 15.) ]Safety connect control operation return-air ducts this warning Step 2--Furnace Equipment to Location Relative to Cooling The cooling coil must be installed parallel with or on downstream side of fumace to avoid condensation in heat exchanger. When installed parallel with a furnace, dampers or other means used to could result in (See Fig. 14.) 13 control flow of air shall be adequate to prevent chilled i. Position air fi'om entering fumace. If dampers are manually operated, they must be equipped with a means to prevent operation of either unit, unless damper is in full-heat or full-cool Step 3--Hazardous furnace on its back. Locate and drill a 5/16 in. diameter hole in each bottom comer of furnace. (See Fig. 17.) Holes in bottom closure panel may be used as guide locations. position. 2. For each hole, install in hole. Locations 3. Install (Install another washer nut on bolt and then install flat washer nut on other side of fumace base. (Install desired height, and tighten flat if desired.) 4. Adjust outside nut to provide nut to secure inside arrangement. NOTE: Bottom closure must be used when leveling See Bottom Closure Panel section. Step bolt and nut if desired.) 2--Installation in Upflow legs are used. and Downflow Applications NOTE: For downfiow use on combustible manufacturer) 18-1N. MINIMUM TO BURNERS Fig. 16--Installation furnace installed minimum in a Garage in a residential to avoid is installed physical it nmst in a public damage by vehicles. garage, airplane application hole 3. Construct 18. garage, this furnace special is used. is installed for (available from Special base is on manufacturer's Coil or Coil Box Part No. KCAKC being in floor is approved base installed from Table per dimensions is 1. specified in Table 1 and Fig. 18. to dimensions subbase (KGASB) specified in Table is used, install 1 and Fig. as shown in Fig. 19. When hangar, plenum 4. If downflow be so that bumers and ignition sources are located a of 18 in. above floor. The fumace nmst be located or protected furnace is installed this fumace Part No. CD5 or CK5, 2. Construct r!l I'JI-I_UII_" [q When when i. Determine A93044 when Part No. KGASB0201ALL not required Assembly used. applications, flooring If Coil Assembly Part No. CD5 or CK5 or Coil Box Part No. KCAKC install is used, as shown in Fig. 20. or other building having a hazardous atmosphere, the fumace must be installed in accordance with NFGC or NSCNGPIC. (See Fig. 16.) INSTALLATION Step l--Leveling When furnace Legs (If Desired) is used in upflow position with side inlet(s), leveling legs may be desired. (See Fig. 17.) Install field-supplied, corrosion-resistant 5/16-in. machine bolts and nuts. A96283 Fig. 18--Floor NOTE: Remove they interfere To remove Fig. 17--Leveling NOTE: The maximum length Legs of bolt should not exceed i-i/2 in. 14 furnace with mating fumace perforated, flanges perforated, discharge discharge duct tool or hand seamers and forth until of£ Be careful it breaks duct flanges on coil on downflow duct pliers or duct flange 21.) A89014 and Plenum Opening Dimensions flange, when subbase. use wide to bend flange back of sharp edges. (See Fig. Table 1--Opening FURNACE CASING WIDTH Dimensions (in.) PLENUM OPENING FLOOR OPENING APPLICATION A Upflow Applications Downflow Applications Downflow Applications on Non-Combustible on Combustible Flooring C D 24-1/8 ! 6-5/8 24-3/4 15-7/8 !9 16-1/2 19-5/8 15-1/8 !9 16-3/4 20-3/8 15-!/2 !9 16-1/2 20 19-1/2 24-!/8 20-1/8 24-3/4 19-3/8 !9 20 19-5t8 18-5/8 !9 20-1/4 20-3/8 19 !9 20 20 Flooring Using KGASB Subbase Furnace with or without CD5 or CK5 Coil Assembly or KCAKC Coil Box 17-1/2 B 16 Downflow Applications on Combustible Flooring NOT Using KGASB Subbase Furnace with or without CD5 or CK5 Coil Assembly or KCAKC Coil Box Upflow Applications Downflow Applications Downflow Applications on Non-Combustible on Combustible Flooring Flooring Using KGASB Subbase Furnace with or without CD5 or CK5 Coil Assembly or KCAKC Coil Box 21 Downflow Applications on Combustible Flooring NOT Using KGASB Subbase Furnace with or without CD5 or CK5 Coil Assembly or KCAKC Coil Box Upflow Applications Downflow Applications Downflow Applications on Non-Combustible on Combustible Flooring 24-!/8 23-5/8 24-3/4 19 23-1/2 19-5/8 22-1/8 !9 23-3/4 20-3/8 22-!/2 !9 23-1/2 20 Flooring Using KGASB Subbase Furnace with or without CD5 or CK5 Coil Assembly or KCAKC Coil Box 24-1/2 23 22-7/8 Downflow Applications on Combustible Flooring NOT Using KGASB Subbase Furnace with or without CD5 or CK5 Coil Assembly or KCAKC Coil Box FURNACE FURNACE (OR COILCASING WHEN USED) CD5 OR CK5 COIL ASSEMBLY OR KCAKC COIL BOX COMBUSTIBLE FLOORING _COMBUSTIBLE-FLOORING SHEET METAL PLENUM SUBBASE SHEET METAL PLENUM __ X FLOOR OPENING FLOOR __ OPENING A96284 A96285 Fig. 20--Furnace, Plenum, and Coil Assembly Coil Box Installed on a Combustible Floor Fig. 19--Furnace, Plenum, and Subbase Installed on a Combustible Floor 15 or When Do not bend duct flanges will affect airflow cycling or premature flange completely shown in Fig. 21. NOTE: inward heat exchanger or bend it inward cut the white jumper cut white in Fig. 21. This and may cause limit failure. Remove a minimum the furnace furnace. duct of 210 ° as Secure Seal For 140 size unit when Do not as shown across heat exchangers installed wire offbetween jumper Refer to Fig. 30 for connector and remove in downflow terminals between PL1-7 in Horizontal and PL1-9. Flexible furnace close length furnace is used draining. When center blower blocks area. These of suspended, or pad should position bottom shelf. When brace supported when to ensure proper supports unit is supported support sides connections can be installed position. be hung fi'om floor joist Furnace can be suspended angle iron supports. all-thread rod) or installed in either a 1-in. clearance ductwork for a distance light comer by hanger (See Fig. 22.) Cut hanger lock washers, length. Use and 3/8-in. nuts are provided on hanger for hole locations. duct flat washers, in construction Connect ONLY furnace casing tible Fig. 21--Duct using the air leaks. take-off elbow and 10 ft may on fibrous ductwork require glass internal ducts. shall comply 181 for Class used). Both with NFPA 1 Rigid air ducts. material, Contractors Contractors American Society designed Engineers (ASHRAE) available sized according published (ACCA), Association Refrigerating or consult tables and as those National of Heating, be sized to handle to furnace casing to accessories. to furnace main All casing. must opening on furnace. be connected to ONLY The furnace Air Metal and (SMACNA) or Sheet your and Air Conditioning local the required distributor. system duct attachment subbase or factory must approved casing or other accessories. to furnace nmst be modified be connected to attach supply All accessories main casing. Supply to air conditioning side MUST be air opening duct on furnace. The per Fig. 21. Furnaces supply-air duct to supply duct attachment must or air conditioning air opening be connected coil casing to ONLY (when used). furnace DO NOT cut main furnace casing to attach supply side air duct, humidifier, or other accessories. All accessories MUST be connected external to by: The Air 5_'stems Design from external supply-air connected or air conditioning or other duct to supply-air supply-air external Horizontal Flanges Association be cut main humidifier, DO NOT cut main furnace supply.outlet such duct flanges be connected an accessory flanges REQUIREMENTS be on furnace must Furnaces supply-air standards flange attachment DO NOT duct attachment Connect should duct side air duct, MUST coil casing. Ducts should openings TREATMENT duct to 3/4-in. supply-air ONLY Ag302g at the design duct shall for sampling shall prevent supply-/outlet-air (when supply connected CFM for possible be inserted 18 standard supply-air air duct, humidifier, duct system coil, the outlet supply outlet or air conditioning coil casing (when used), when installed on non-combustible material. When installed on combus- YES lines reference can and fibrous supply-air The supply-air 210° MIN Air Conditioning air the fumace. requirements. with a cooling by UL Standard outlet. Connect Y Conditioning to supply from Furnaces Downflow system materials a vapor DUCT YES national to enhance AIR CONNECTIONS accessories duct and passing is used, horizontally first branch lining attach accepted ductwork insulated that do not have a 90 degree acoustical coil The be can be viewed to the 90B as tested (See Fig. 2.) NO GENERAL code Ductwork conditioning code for further attachment SMACNA Upflow Step 4--Air between should ACOUSTICAL duct systems SUPPLY DISCHARGE FLANGE used. with acoustical lining. As an altemative, fibrous ductwork may be used if constructed and installed in accordance with the latest edition of and rods as shown used air or a probe The cover of main bolts (4 each 3/8-in. 1 X 3/8-in. to furnace from combustible not equipped assistance Metal or pad. bolts air the for type of ductwork of vibration. of 36-in. 90B or local DUCTWORK can either blocks be space that the heat exchanger shelf horizontal furnace on suitable from each to desired Fig. 22. Dimples horizontally In a crawlspace, should Maintain stream. furnaces carry be provided with a removable access panel. This opening shall be accessible when the furnace is installed and shall be of such a size sides and blower ducts the space containing connections transmission unconditioned For a furnace from the ground, and center outside fasteners performance. When is recommended. See NFPA be with proper and return-duct to prevent system ban'ier Applications MUST in a horizontal left or right discharge 3/8-in. furnace supply tape or duct sealer. through to r.,l [,-72111iI_jN entire so that the and terminating ductwork supply- and PLI-I1. PLI-7 terminals is installed casing approved orientation, location of jumper. Cut jumper wire to avoid a short circuit. Step 3--Installation The a furnace circulated by the furnace to areas outside the space containing the furnace, the return air shall also be handled by a duct(s) sealed to to fumace main casing. RETURN AIR CONNECTIONS The Gz_ide- furnace installed The cannot design affect mix products static pressure. and its remm so that negative another 16 appliance's of combustion ing fan of the furnace, air system pressure created shall combustion with circulating if installed be designed and by the air circulating air supply fan or act to air. The air circulat- in an enclosure comnmnicating 3/8-1N.ROD II II II II ANGLE IRON OR EQ ALTERNATE SUPPORT LOCATION 4-IN. MIN 8-IN. MAX (B) (A) ROD LOCATION USING DIMPLE LOCATORS (SEE DIMENSIONAL DWG FOR LOCATIONS) _) (I_-INI 3/8-1N. & WASHER (4) REQD PER ROD (A) PREFERRED ROD LOCATION (B) ALTERNATE ROD LOCATION (B) NOTES: MAX ALTERNATE SUPPORT LOCATION FROM BACK 1. A 1 In. clearance minimum between top of furnace and combustible material. 2. The entire length of furnace must be supported when furnace is used in horizontal position to ensure proper drainage. A93304 Fig. 22--Crawlspace with another fuelibuming shall be operable in the furnace appliance not of the directivent only when any door or panel covering fan compartment is in the closed or in a return Horizontal Application Step 5iFilter type, air plenum on ducts position. Never ¥.'I WI-I_t_II _['-1 Never connect Return-air upflow return-air applications could result Upflow ducts duct connections only. A failure in fire, personal duct must or a combination casing as shown permitted be connected in Fig. 2 Bypass side return air portion connect any portion of return-air and Horizontal return-air duct provided as shown to attach any portion tions should furnace. a filter to follow this warning to follow must this warning external to bottom, sides of main may be attached of the furnace casing. duct to back of furnace Filter'Media or to end inlet of return-air at ductwork duct. Bypass access fire, instructions into DO NOT casing. for or coil casing Filter.Media factory-supplied the or the furnace filters blower are shipped the filter location for See Table in the Table this furnace. with and 2 indicates and side return-air filter filter instructions). compartment, filter correct retaining deterwire, if filter size for desired size, location, See Fig. 2 lbr location openings. are can be used or a factory-specified blower relocate is provided, installation cabinet filter (see cabinet 2 to determine shipped and The Filter/Media in the furnace filter cabinet assembly, washable disposable filter location. bottom 17 external application, with necessary. to its with the cabinet. mine connec- sides exterior washable packaged high-efficiency opening (if provided) supplied compartment. If a factory-supplied sides or back humidifier cabinet Factory If installing connected in Fig. 2. DO NOT cut into casing be made (left furnace Furnaces be filter can cause il_iury, or death compartment. and side(s) humidifier or with The air filter arrangement will vary due to application, furnace orientation, and filter type. The filter may be installed in an in il_iury, or death. of bottom unused The without Failure blower right), Downflow furnace of the furnace. side(s) Furnaces The return-air operate door removed. personal to the back on furnace Arrangement an opening and quantity and size of Table 2--Filter AIR FILTER LOCATED FURNACE CASING WIDTH (IN.) 171/2-1N. WIDE CASINGS ONLY: INSTALL FIELD-SUPPLIED FILTER FILLER STRIP UNDER FILTER. Information IN BLOWER COMPARTMENT FILTER SIZE (IN.) Side Return FILTER Bottom Return TYPE (1) 16 X 25 X 11- (1) 16 X 25 X 1! Cleanable 21 (1) 16X25Xl* (1) 20X25X !1" Cleanable 24-1/2 (1 or 2) !6X25X1* (1) 24X25X 11" Cleanable 17-1/2 * Filters may be field modified by cutting filter material and support rods (3) in fitters. Alternate sizes and additional filters may be ordered from your dealer 1- Factory-provided with furnace. Use care when cutting flying pieces rods in filters to protect and sharp rod ends. Wear safety and appropriate caution support could protective result clothing. in personal glasses, Failure _Z_Z22 ................. against gloves, to follow this iniury. r:! [ '%lliilI'lll For airflow requirements above 1800 CFM, see Air Delivery table in Product Data literature for specific use of single side inlets. The use of both side inlets, a combination of 1 side and the bottom, openings NOTE: or the bottom for airflow Side return-air configurations. only will ensure requirements adequate above return air openings can ONLY be used in UPFLOW filter(s) as Install FILTER 1800 CFM. shown in Fig. 23. Bottom return-air opening may be used with all 4 orientations. Filter may need to be cut to fit some furnace widths. Install filter as shown in Fig. 24. \ \ FILTER RETAINER SUPPORT A00213 Fig. 24_Bottom Filter Arrangement RETAINER \ I I I A93045 Fig. 23--Filter Installed NOTE: Remove inlet is used. and discard Step G--Bottom Closure bottom for Side Inlet closure panel BOTTOM CLOSURE PANEL when bottom FRONT FILLER PANEL Panel A93047 These furnaces are shipped with bottom in bottom return-air opening. side return air is used. To remove i. bottom closure Tilt or raise furnace panel. 2. Rotate enclosure This panel MUST panel installed be in place Fig. 25--Removing when Step panel, perfoml and remove following: 2 screws holding front filler Canadian downward 3. Remove bottom closure 4. Reinstall front filler panel to release holding Panel Piping Gas piping nmst be installed in accordance with national and local codes. Refer to cun'ent edition of NFGC in the United States. (See Fig. 25.) front filler panel 7--Gas Bottom Closure installations PIC and all authorities tabs. Gas panel. meter and screws. supply line to furnace, gas pipe sizing. 18 should must be made in accordance having jurisdiction. be a separate if possible. Risers with NSCNG- nmst Refer line running to Table directly from 3 for recommended be used to connect to furnace and to Table 3--Maximum NOMINAL IRON PIPE SIZE Capacity of Pipe* GAS SUPPLY MANUAL _/ LENGTH OF PIPE (FT) INTERNAL DIAMETER II vsA" °FFJ (IN,) 10 20 30 40 50 (IN,) 1/2 0.622 175 120 97 82 73 3/4 0.824 360 250 200 170 151 1 1.049 680 465 375 320 285 1-1/4 1.380 1400 950 770 660 580 1-1/2 1.610 2100 !460 1180 990 900 /REOU,REOp t * Cubic ft of gas per hr for gas pressures of 0.5 psig (14Mn wc) or less and a pressure drop of 0.5-in wc (based on a 0.60 specific gravity gas). Ref: Table 9.2 NFGC. meter. Support all gas piping with appropriate straps, hangers, etc. Use a minimum of 1 hanger every 6 ft. Joint compound (pipe dope) should be applied sparingly and only to male threads of joints. Pipe dope must be resistant to propane A93324 gas. Fig. 2g--Typical Connect gas pipe to furnace using a backup wrench to avoid damaging gas controls. "_lfl/llH Gas valve shutoff switch upward. Failure to follow property damage or death. FIRE OR EXPLOSION .,-1 MUST this be facing forward warning could or tilted result in Failure to follow serious injury, purge for gas leaks with an open flame. chamber. Use Never test for gas leaks with available detection furnace test warning death. NOTE: in fire, explosion, personal il!iury, or made manual property shutoff and within valve MUST 0.5 psig (14-in. or external NPT MUST to plugged be installed to furnace tap connection providing the injury be installed A Ii8-in. connection The gas valve inlet pressure maximum personal connection, of gas supply shutoff valve. for A fire or explo- damage, for test gage upstream of manual in Use a commer- specifically 6 ft of furnace. use as test gage connection exceed could result an open flame. solution causing accessible available soap solution made specifically for the detection of leaks to check all connections. A failure to follow this result soap exactly damage. of leaks to check all connections. casing tapping, a commercially warnings or property cially immediately downstream could death sion may result loss of life. a gas line into a combustion HAZARD the safety Never ----> An accessible Never Gas Pipe Arrangement and is suitable test pressure DOES wc) stated on gas control to NOT valve. (See Fig. 57.) Use proper manifold. length Failure leak resulting Install by level control manifold leading a tee to riser of tee is vertical. Place and manual il!iury, leading Then gas shutoff joint in a gas Trap to union should NFGC in the United check so all connections between exceeds disconnected gas is equal (See Fig. 26.) have been made, If a flexible connector is required or allowed by authority having jurisdiction, black iron pipe shall be installed at gas control outside furnace If local codes always valve and extend served another gas appliance of 2 in. gas supply purge to operating before 0.5 psig with local, furnace and has been purge lines and furnace. wc), gas supply and capped lines and check pressure Step 8--Electrical and 24-v wiring. connector, Do not use a connector gas appliance. the have been made, prior to or less than pipe must be pressure (14-in. test. If test wc), turn off shall be for leakage. within the maximum on the rating plate and with Connections See Fig. 27 for field allow the use of a flexible in accordance in Canada, before minimum inlet supply pressures marked the furnace burners ON and OFF. casing. use a new listed connector. has previously a minimum codes 0.5 psig (14-in. from furnace tested electric shutoff switch located on furnace gas control valve and accessible manual shutoff valve before test. After all connections ----> The furnace at furnace leak or NSCNGPIC After for leakage pressure and States and gas If pressure below be pressure plumbing connected. a capped extend Piping national can be furnace connect should valve. control or death. to furnace. nipple a ground on gas could result personal end of tee. Capped controls. stress this warning in riser section into lower of gas trap connecting straight-through nipple to follow to avoid in fire, explosion, a sediment installed of pipe wiring Check diagram all _actory showing typical and field electrical field 115-',' connections for tightness. which ----> Field-supplied (33°C)rise. 19 wiring shall conform with the limitations of 63°F .... .... -- NOTE21_ #Am %m FIVEWIRE_ I LZyLyJL?J THREE-WIRE _ HEATING-ONLY "--_"_1 BLOWER DOOR SWITCH --x\. --,---- BLKI_I BLI, _ '_ _ _._ 11 I '(--L_ I ,L_ ' _ _E 1 I -• ? _-- _ _ I THERMOSTAT _ L4JI TERMINALS i_' I_ I _ I I _ i 1 I I I I I I FIELD-SUPPLIED DISCONNECT ._ w 1 208/230- OR -_, 460-V .I"THREE j PHASE ..... ................ .... --.... _...________H_L_._ .._ i ._ c51i --J--..---I ....o I NI 1 1 ', I H--_[]3]_,I---]208/230-V rf_ GNDI TI _ 4 I I ..... WHT I =_,,,_ I .... I--" @ 115-VFIELDAUXILIARY SUPPLIED DISCONNECT J-BOX , FIELD 24-V WIRING FIELD !15-, 208/230-, 460-V WIRING FACTORY 24-V WIRING FACTORY 1! 5-V WI RING /--Elco_ I _- ,', ,', ..... ......................................... I r',- I .... 24-V TERMINAL BLOCK _ / S NGLE ,,----q---,---I---J I -N-_q:_ _--- _ Ii tl_ _ _ FURNACE I___b_l ,, {/ I FI It-,,DL-- CONDENSING TWO WIRE NOTES: 1. Connect Y-terminal in furnace as shown for proper blower operation. 2. Some thermostats require a "C" terminal connection as shown. 3. If any of the original wire, as supplied, must be replaced, use same type or equivalent wire. A99440 Fig. 27--Typical Heating and Cooling Application Wiring Diagram properly sized fuse or circuit breaker for this furnace. See Table 4 for wire size and fuse specifications. A disconnecting means must be located within sight from and readily accessible to furnace. ELECTRIC DISCONNECT SWITCH NOTI=: Proper polarity must be maintained for 115-v wiring. If polarity is incorrect, control LED status indicator will flash rapidly and furnace will NOT operate. ® Fig. 28--Disconnect A93033 Switch and Furnace ¥:I i'J#'_l1:1," ! t2[__ The cabinet ¥.'I |"1_'I ;t ,' I[_[__ Blower access door switch component operation switch panel with could result opens can in personal 115-v power occur. removed. Do Failure injury according not to control. bypass to follow or No close this warning or death. MUST to NEC CSA Furnace control control will must lock green/yellow wire [qZIliiIgn be grounded Code injury out. Control connected is operation if an electrical installed in accordance grounded to gas valve through and burner to minimize occur. electrical ground. in electrical Failure shock, Elec- personal This may consist for electrical with existing ground ground codes. of when Do not to lbllow this fire, or death. Relocation i. Remove box should approved as an electrical could result 70-2002 or local codes fault wire or conduit J-Box or C22.1 electrical warning for proper or unbroken and Canadian trical use gas piping _ have an uninten'upted ANSI, NFPA 2. Rotate 2 screws holding J-box auxiliary 180 ° and attach box J-box. (See Fig. 29.) to left side, using holes screwY. provided. i15 V WIRING Before proceeding voltage, furnace by frequency, rating power Canadian diction. check is sufficient Make Electrical codes lations, Also, connections, correspond make to that certain that specified on to be sure that sen,ice to handle load all electrical Code or ordinances all electrical Electrical Use (NEC) connections ANSI_NFPA that might apply. by this must be made in accordance Code C22.1 a separate, branch or authorities electrical circuit electrical 24V with having instalwith juris- containing or gas components. WIRING ---->Connect 24-v thermostat leads to 24-v terminal block on furnace control. For proper cooling operation, Y wire lYom thermostat MUST be connected to Y/Y2 terminal on furnace control, as shown in Fig. 27. The 24-v terminal block is marked for easy connection of field wiring. (See Fig. 30.) The 24-v circuit contains and any For Canadian connections CSA If manual disconnect switch is to be mounted on furnace, select a location where a drill or fastener will not contact electrical in accordance 70-2002 ¥:I [_']T! provided imposed Refer to rating plate or Table 4 for equipment specifications. local and phase plate. supply equipment. National with electrical a 20 Table 4_Electrical OPERATING VOLTAGE RANGE FURNACE SIZE VOLTS-HERTZ-PHASE Min* MAX UNIT AMPS Max* 040-08 115-80-1 127 104 6.1 040-12 115-60-1 127 104 060-08 115-80-1 127 060-12 115-60-1 060-16 Data MAX WIRE LENGTH AMPACITYI" MIN WIRE SIZE (FT):_ MAX FUSE OR CKT BKR AMPS** 8.4 14 44 15 7.3 10.0 14 37 15 104 6.1 8.4 14 44 15 127 104 7.1 9.8 14 38 15 115-80-1 127 104 9.5 12.8 14 29 15 080-12 115-60-1 127 104 7.6 10.4 14 36 15 080-16 115-80-1 127 104 !0.0 13.4 14 28 15 080-20 115-60-1 127 104 14.1 18.4 12 31 2O 100-t6 115-80-1 127 104 !0.2 13.5 14 27 15 100-20 115-60-1 127 104 !4.8 19.3 12 3O 2O 120-20 115-80-1 127 104 !4.6 19.! 12 3O 20 140-20 115-60-1 127 104 14.3 18.8 12 3O 20 UNIT * Permissible limits of voltage range at which unit will operate satisfactorily. 1 Unit ampacity = 125 percent of largest operating component's full load amps plus 1O0 percent of all other potentiaI operating components' load amps $ Length shown is a measured way along wire path between unit and service panel for maximum 2 percent voItage drop. ** Time-delay type is recommended. (EAC, humidifier, etc.) full ACCESSORIES i. Electronic Air (;leaner Two quick-connect provided ALTERNATE FIELD LOCATION for EAC arc energized motor INSTALLED LOCATION ACTORY S marked connection. with EAC-1 and EAC-2 (See Fig. 31.) These 115-v (1.0-amp maximum) are temfinals during blower operation. DO NOT connect (humidifier) similar stat, (EAC) terminals device. or furuace terminal See Thennidistat controller connection. control HUM on Thermidistat TM, manufacturer's A failure to follow terminal Zone TM, Zone to HUM Controller Controller, instructions this warning for could or thermoproper result in fire. 2. Humidifier (HUM) A quick-connect 24V) 30.) HUM A00212 nmm) Fig. 29--Relocating a 3-amp, automotive-type fuse located Fig. 31.) Any electrical shorts service, may cause ment or maintenance is required, The control NOTE: for lengths 16 wire. AWG code 24 when No. wiring EAC (See Step If fuse replace- copper The replacement. thermostat only) wire terminal connection. with 24-v (CoM (See Fig. (0.5-amp maxi- l15-v controlled if humidifier relay connected operation to is desired operation. Venting furnaces direct-vent require system. is taken directly gases are discharged 21 and screw is energized. may be added 9--Direct 58MXA combustion over I00 ft, use AWG No. is energized gas valve A field-supplied, all blower (HUM) for 24-v humidifier terminal when terminals during installation, size (3 amp) and type. fuse needs up to 100 ft. For wire lengths control. during fuse to blow. 18 color-coded NOTI=: on furuace use only a fuse of identical will flash Use of 24-v J-Box terminal are provided In a dedicated a direct-vent fi'om outdoor to outdoor atmosphere. (one 58MXA system, atmosphere, all furnace air for and all flue BLUER OFF JL_IpER TO 115VAC DEEAy PCB SELCCT FIELD DISCONNECT SCHEMATIC #2 (NATURAL DIAGRAM GAS & PROPANE) I D_M 120 24wV 180 HUM SEG2 SE©/ W4T (COM) I BHT, CLR BLOWER BLWR BLWM BLOWER MOTOR BLOWER MOTOR CAP 1 2 CPU BFANR EAC 1 EAC FRS ELECTRONIC/MR FLAME ROLLOUT Z MOTOR SPEED CHANGE RELAY SPDT PRINT£D CIR CUT gUARD CONTROL 11 CIRCUIT PCB CONNECTOR CAPACITOR PLZ Z CIRCUIT CONNECTOR MICROPROCESSOR AND CIRCUITRY CON_ NUOUS FAN SELECT RELAY SPD f ELECTRONIC/MR CLEANER CONNECTION pL3 OL PL4 (115 VAC 10 AMP CLEANER CONNECTION (COMMON) SW MANUAL RESE_ SPST (N C ) FLAME FU 1 FUSE 3 AMR FU 2 FUSE OR CIRCUff GND E©UIPMENT GROUND GV GAS VALVE REDUNDANT GVRIZ GAS VALVE RELAY DPST_(N O HSI HOT SURFACE HSIR HOT SURFACE HUM IDM Z4VAC HUMIDIFIER CONNECfl ON (0 5 AMP INDUCED DRAFT MOTOR PSC IDR ILK INDUCED BLOWER ( o pROVING N J1 BLOWER JB JUNCTION LGPS LS (NC) PCB PL/ FSE LED TEMPERATURE SWITCH RELAY SPST (N O ) PERMANENT SPLDCAPACITOR ELECTRODE AUTOMOtiVE AL BLADE _YPE FACTORY PR SSUR PRS UPP MOTOR PANEL LO_' GAS PRE%URE UNMARKED i PCB FACTORY MAX) -----.... SPST-(N O ) Q (115VAC) WIRING (24VAC) OWRNG( 8 9 5VAC_ DWRNG(4VAC) ON CONTROL FIELD WIRING SCREW AMBER PCB _RMINAL FIELD EARTH GROUND EQUIPMENT RepFace only w_hPCB a 3 aIT_ fuse circuR board coedu_ors and are ncOncluded in _gend So[_J lines [ns_e are printed Inducer (IDM) and bbwer (BLWM) IT_tOlS contain [ntemaFaut_reset theriT_Foverbad sw_ches (OL) Neu_rabeonr_c_ions are [nlercben_akte _,ithin tbe NEUTPAk conr_dor block gbv, er r_:_or speed se_ctbns are for aver_ conditbns, see insta_btion instr udions for detai_s on o_i_mm speed se_c_on 10 YELLOWle_ not on all n_tors 11 Factory conr'_cted wben LGPS is not used 12 Ignition-Dckou_ _,d[occur alter four consecu_e unsuccessfu_ tria_s-for_nition Comro_w,_ a[t_leset after three houls i SELECTOR STATUS CODES If aryonly of the ollg[nal wiredisconnect ISreplacedswath use wire for 105jundbn C Use copper wireedu[pIT_nt between the and rated the furnace box (JB) [his _re n_st be connected to furnace sheet metal for control to prove flame Symbols ale e_ectdcal lepresenta_on only TERMINAL WIRING CONDUCTOR -CFOR 3: TERMINAL ) RELAY SPST (N o) INTERLOCK SWITCH SWITCH 115 VAC/24VAC CONTROL FACTORY -- BOX LIGHT E MIITING DIODE TEST & IWIN TERMINAL JUNCTION ) OFF DELAY JUMPER SPST (N O } NOT_S: TRANSFORMER 0 IGNITER RELAY SPST_(N O CH COMPONENT TRAN O_ IGNITER (115 VAC) SW TEST'_VIN BREAKER CURRENT INTERRUPT DEVICE O& DRAFT ACCESS LIMIT SWITCH, IN STALLE9 MAX) FSE I 2 CIRCUIT HSI, CON NECTOR AUTO RESET INTERNAL MOTOR OVERLOAD 30RCUIT DM EXTENSION CONNECTCR GROUND SPST (NO) FIELD SPLICE AUTO RESET SPST (NC) )_ 326796-101REWA PLUG RECEPTACLE Fig. 30---Wiring Diagram A02157 REMOVAL VENT OF EXISTING FURNACES FROM COMMON In Canada SYSTEMS ---) When fi_rnace an existing original Category venting system the remaining I venting attached system furnace I furnace appliances. could cause and vent, leakage and spillage is removed may no longer products ABS-DWV Canada. the to properly An improperly the formation of condensate of combustion or replaced, be sized vent sized Category of condensate and combustion into the living NOTI=: etc. CARBON Failure MONOXIDE Furuace to ]`bllow the steps outlined connected to the venting could result The in carbon following connected while system being steps shall to the venting placed poisoning be followed system all other appliances lbr each appliance ].'or each being connected into operation placed appliance to the venting system 2. Inspect openings the venting in venting system termination preferred), Installation mine that there is no blockage corrosion and other deficiencies, unsafe condition. 3. As far as practical, are and all doors ance(s) other between connected spaces 4. Close the space to the venting Dryer/Water to the venting hoods dryers the appli- are located and any appliance system. and and bathroom ing at maximum exhaust fan. not connected Turu on any exhaust speed. fans, such as exhausts, so they are operat- Do operate not appliance is operating the draR hood relief opening equipped appliances aRer 5 minutes at of main buruer operation. Use the flame of a match or candle. 8. If improper venting is observed during any of the above tests, the venting system must be corrected with the National Fuel Gas Code, 54 and/or CSA B149.1, lation (?odes. 9. After it has been nected fireplace ance determined to the venting as outlined above, dampers Natural system returu ANSI that each doors, windows, conditions Instal- appliance vents and any other gas-fired to their previous in accordance Z223.1.NFPA Gas and Propane properly system other appliances system or vent connectors when or connector determined NGPIC. using resizing con- exhaust buruing may need to be resized. COMBUSTION-AIR AND table VENT found (FT) Canada 1 11- See Note 5 See Note 5 3 See Note 6 For furnaces with an input capacity of 100,000 Btuh or less--from any nonmechanical air supply (windows or doors which can be opened) or combustion-air opening 1 1 For furnaces with an input capacity greater than 100,000 Btuh --from any nonmechanical air supply (windows or doors which can be opened) or combustion-air opening 1 3 From service regulator vent, electric and gas meters and relief equipment See Note 6 See Note 6 See Note 3 See Note 3 Furnace rims, appli- For any vent stack mininmm in the NFGC as shown inducer housing fresh air intake to public and vent pipe in Fig. 33. Combustion-air alteruate vent connections nmst be at- intake plug fitting cap may need and to be relocated in applications. fi_rnace size as combustion-air tached NOTI=: or vent connectors, must be sized to approach appropriate (roof kit. See Table when tested of use. vent systems termination See Note 4 some Vent in same 1 18 in. above roof surface in Canada NOTES: 1. If installing 2 adjacent furnaces, refer to Multiventing and Vent Terminations section for proper vent configurations. 2. When locating combustion-air and vent terminations, consideration must be given to prevailing winds, location, and other conditions which may cause recirculation of the appliance's own flue products or the flue products of adjacent vents Recirculation can cause poor combustion, inlet condensate problems, and accelerated corrosion of heat exchangers. 3. Vent termination can not terminate tess than 2 ft horizontal and 7 ft above public walkway or where condensate vapor or droplets may be a hazard. 4. Vent termination must be at least 3 feet above any forced draft inlets within 10 feet horizontal. Vent termination must be at least 3 feet horizontal from other direct vent appliances intake unless otherwise specified by manufacturer 5. 3 ft radius of furnace vent air-intake terminal and 1 ft horizontally from vertical centerline of furnace vent air-intake terminaI. 6. Above a meter/regulator within 3 feet horizontally of vertical centerline of meter/regulator vent outlet to a maximum vertical distance of 15 feet continuously. from draft hood together roof or sidewall CLEARANCE Above grade when adjacent walkway a summer 6. Follow the lighting instructions. Place the appliance being inspected into operation. Adjust the thermostat so 7. Test ]`'or spillage terminate through heater vent From any mechanical leakage, cause an proper 3 Deter- dampers. 5. Tnrn on clothes must either using accessory From plumbing and windows in which system zone, Above grade level or above anticipated snow depth of the building. fireplace range or restriction, which could doors allows USA size and horizontal close all building (See Fig. 32.) This LOCATION (?ode and these instructions. are be made outside Table 5--Combustion-Air and Vent Pipe Termination Clearances pitch, as required in the National Fuel Gas (?ode, ANSI Z223.1'NFPA 54 or the CSA B149.1, Natural Gas and Propane pipe. pipe connections should clearances. system. for proper in and Fig. 36, 37, 38, 39, and and vent and vent pipes pressure not in operation: 1. Seal any unused or SDR pipe is NOT approved pipe lengths in vertical atmospheric ___> into operation, for this PVC-DWV of vent condensate. 5 l'or required or death. PVC, arrangements. combustion-air Combustion-air HAZARD below monoxide casing drainage _[_ POISONING piping and vent pipes schedule-40 sized ]`'or 2-in. pipe. Any pipe size change fi_rnace ¥!_ _I_UH listed 7 for maximum 40 for exterior products, all combustion-air or ULC pipe and pipe cement. See Table in the space, construct of CSA Slope combustion-air a mininmm and vent pipes of i/4 in. per linear downwared toward ft with no sags between hangers. or NSC- PIPING General Combustion-air and vent pipe, fittings, con]`'orm to American dards and American standards. See Table National Society primers, Standards ]`'or Testing 6 ]`br approved and solvents Institute (ANSI) and Materials materials must stan- (ASTM) An abandoned ]`br use in the U.S.A. properly 23 masonry insulated chimney and supported may be used combustion-air as a raceway for and vent pipes. TWINNING AND/OR COMPONENT TEST TERMINAL BLOWER OFF-DELAY HUMIDIFIER TERMINAL (24-VAC 0.5 AMP MAX.) 24-V THERMOSTAT TERMINALS TRANSFORMER 24-VAC CONNECTIONS 3-AMP FUSE LED DIAGNOSTIC ob LIGHT PL1 -LOW HARNESS VOLTAGE MAIN CONNECTOR 115-VAC(L2)I CONNECTIONS 13[-I _ SPARE/-1 //_Of / _ SPARE-2 J__ t "_ _ _ FAN SEL O,W \ 4 t A S / \ / EAC-1 (115-VAC \ 115 VAC (L1) LINE VOLTAGE CONNECTION PL2-HOT IGNITER SURFACE & INDUCER MOTOR CONNBOTOR TERMINAL 10 AMP MAX) A02142 Fig. 31--Furnace Control NOTE: Select 1 vent pipe connection and 1 combustion-air pipe connection NOTE: Select 1 vent pipe connection and 1 combustion-air pipe connection AIR COMBUSTION-AIR • FURNACE _ COMBUSTION-AIR _i • NOT IN HORIZONTAL SECTION COMBUSTIONAIR TRANSITION IN VERTICAL SECTION _ AIR COMBUSTIONAIR FLOW UPFLOW DOWNFLOW A93034 COMBUSTION- Fig. 32--Combustion-Air and Vent Pipe Diameter Transition Location and Elbow Configuration Each furnace must have its own set of" combustion-air pipes and be terminated individually, COMBUSTIONAIR AIR VENT VENT and vent as shown in Fig. 42. Other gas appliances with their own venting system may also use the abandoned chinmey as a raceway providing it is pennitted by local code, the NFGC or NSCNGPIC, manufacturer's installation instructions. prevent the exhaust and the vent or liner Care must be taken to gases from one appliance from contaminating the combustion air of other gas appliances. HORIZONTAL-LEFT DISCHARGE HORIZONTAL-RIGHT DISCHARGE A96187 Fig. 33--Combustion-Air and Vent Pipe Connections 24 VENT HORIZONTAL TO ROOF HORIZONTAL TO SIDEWALL COMBUSTION-AIR F VERTICALTO VENT ROOF PIPE PiPE __ _ VERTICAL _-_='_ TO SIDEWALL NOTE: A 12 In. minimum offset pipe section is recommended with short (5 to 8 ft) vent systems. This recommendation is to reduce excessive condensate droplets from exiting the vent pipe. A96230 Fig. 34_Short Vent (5 to 8 Ft) System r_ |, I'-I,1, IE1}_ When vent pipe is exposed such as when it passes chimney shown is used in Table to temperatures through below an unheated as a raceway, pipe must 8 with Armaflex-type fi'eezing, space All or when a be insulated combustion-air watertight. as result in property because inside which include These elements cleaning not taken air is frequently fluorides, solvents, Locate fi'om swimming Excessive exposure These excessive from paint, Combustion-Air and Determine inlet as far pool combustion i. pump air combustion-air Using problems. sparks, Avoid eyes. property and open breathing Failure combustible. flame. in vapor to follow damage, personal Use only Keep fi'om in well-ventilated or allowing this warning injury, away contact could with result heat, NOTE: or within in fire, or death. 25 and a 12-in. as shown in Fig. 34, vent pipe outlet. of these becuase elbows See shaded of short pipe and use this length, use the Do not use pipe size greater combustion, flame distur- may occur. or pipe sections areas smallest for each and vent pipes. incomplete sense lockout the permitted 2 pipe diameters pipe diameter. Do not count fl_rnace. diameters vent systems allowable or flame determine pipe combustion-air installing bance, areas. skin and vent for both than required are exiting individually Pick the larger diameter (5-8 if) may discharge and vent pipe diameter. 7, Table pipe. could and Vent Pipe Diameter combustion-air will droplets and or death. may be undesirable, to reduce bleaches, smallest cements droplets airtight as shown in Fig. and vent pipe length (each) is 5 ft. Short pipe lengths and iodides. detergents, 2. When Solvent combustion-air be this warning injury, is recommended, adhesives, related droplets. to follow personal of£set pipe section combustion-air to contaminated water must exactly mininmm pool and swimming and performance structure pipes by halogens, bromides, salts, air fresheners, as possible house. inside contaminated in aerosols, products. in safety from chlorides, are l'ound other household result be damage, The minimum for these furnaces air must vent 36, 37, 38, 39, or 40. Failure insulation. NOTE: Combustion and Pipes must also terminate in terminations in Fig. 36, 37, 38, 39, and 40. or Table 6--Approved ASTM SPECIFICATION (MARKED ON MATERIAL) D1527 Combustion-Air MATERIAL PIPE FITTINGS ABS Pipe -- PVC Pipe -- D1785 and Vent Pipe, Fitting and Cement Materials SOLVENT CEMENT AND PRIMERS Schedule-40 Schedule-40 Solvent Cement D2235 For ABS -- -- For ABS D2241 PVC Pipe -- SDR-21 & SDR-26 D2466 PVC -- Fittings Schedule-40 D2468 ABS -- Fittings Schedule-40 Solvent Cement D2564 For PVC -- -- D2661 ABS Pipe Fittings D2665 PVC Pipe Fittings F438 CPVC -- Fittings m Schedule-40 F441 CPVC Pipe -- m Schedule-40 F442 CPVC Pipe -- m F493 For CPVC -- -- F628 F656 ABS For PVC Pipe -- --- F891 PVC Pipe -- For PVC DWV at Schedule-40 EXAMPLE: lis, elevation application SDR Solvent Cement For CPVC Cellular Core DWV at Schedule-40 Primer 5 elbows indicates pipe, but require a 2-1/2 with 5 elbows). same pipe diameter 2-1/2 were and combustion-air would pipe. tion, 2-in. pipe is only good 2-1/2 in. pipe is good Combustion-Air be used in Albuquerque, installation in intake 7 h. Install vent air pipe since larger to remove i. Attach a. Determine pipe for service At 5001- in. vent to 6000-ft for 17 ft with eleva- 5 elbows, using of combustion-air intake intake housing pipe connec- as shown in Fig. 33 appropriate c. If required combustion-air unused per Table in loose set is required, pipe support support e. Insert NOTE: casing. furuace should A 2-in. diameter Make perforated parts plug fitting install with in &ain connection moisture box. bag) disk in intake shoulder moisture assembly housing of disk (lhctory-supplied in loose combustion-air at bottom pipe into intake all pipe diameter be used transitions bag) 2. Attach pipe hole. Pipe of casing within outside where to open No. 6 or Breakage of intake to occur. provided on this fitting intake intake light may pipe be result for and of intake pipe termina- snow or other sources drill out fitting's a field-supplied condensate be trapped. location as shown tion. Tighten 26 SCREW. is desired, vent pipe to furnace and clmnp casing. a field-supplied by using of in. and should b. Reposition the furnace furuace to areas be routed housing housing. in unused be attached hole in fitting, combustion-air &ill and connect a. Determine hole. Install combustion-air could be pulled tube should nmst to that shown in Fig. 36, 37, 38, 39, and 40 so it will with a 3/16-in. against FITTING in combustion-air Ensure to to remove must be installed has been If use of this drain connection If half parts in termination. PLUG fitting air leakage is found Moisture pipe permanently a 1/8-in. OVERTIGHTEN use when combustion AiC (if used), pipe must This or by drilling not be susceptible inlet. casing housing. may cause of intake sensor. HOUSING intake plug fitting A plugged tion is similar connection. intake pipe will be connected. be positioned 2-in. diameter housing housing 7, insert stop in combustion-air into selected intake intake where combustion-air d. Install or fitting improper (factory-supplied disk DO NOT housing NOTE: for application. b. Reposition NOTE: Breakage intake or flame INTAKE sealant, screw to occur. since it may be necessary hole in intake housing as a guide. No. 8 sheet metal screw. pipe as follows: location RTV SCREW. air leakage combustion-air of ignitor intake pipe using hole No. 6 or No. 8 sheet metal intake housing combustion-air hole. pipe. OVERTIGHTEN The combustion-air and in loose pipe casing as a guide. may cause COMBUSTION-AIR pipe for servicing. tion to combustion-air Do not attach ft 5250 2-1/2 Pipe Attachment combustion-air NOTE: elevation NOTE: All pipe joints must be cemented except attachment of combustion-air pipe to inlet housing connection, since it may be necessary or fitting combustion-air for 70 ft with 5 elbows. and Vent DO NOT housing & DWV (_actory-supplied hole in 2-in. combustion-air housing NOTE: If plug combustion-air a field-supplied for both pipes. require filler into combustion-air pipe must be pipes hole bag) in unused g. Drill a 1/8-in. but only 30 ft in. diameter ahvays Table combustion and combustion-air must sea level, pipe. a 2-in. diameter in. diameter Therefore, installation above allow for 35 ft with 3 elbows, for both vent required would casing parts and 32 ft of vent pipe, along and 34 ft of combustion-air this application (2-in. pipe is good used 3 elbows IPS sizes For PVC Cellular Core Schedule-40 An 080-12 size fumace located in Indianapo650 ft above sea level, could be installed in an requiring IPS sizes DWV f. Install with DESCRIPTION tap plug 3/8-in. robe. This &ain for furuace and (See Fig. 35.) as follows: of vent pipe connection to inducer in Fig. 33 for application. elastomeric to appropriate clamp. (rubber) unused inducer inducer housing housing outlet cap connec- 7. Check COMBUSTION - AIR INTAKE HOUSING NOTE: BURNER BOX dry fit of pipe and mark It is recommended preassembled before 8. After pipes layer have been to insertion mark. DRILL to pipe fitting Quickly socket apply coat on inside of socket cement. Apply coat. 9. While cement second 10. Wipe excess TO OPEN DRAIN A93035 Intake Housing Plug Fitting Drain 13. Slope Inducer housing against inducer outlet Clamp must be tightened leakage. Failure to follow in electrical into shock, pipe support selected should fire, personal casing be positioned in loose vent pipe hole. at bottom could 14. Use il_iury, or death. (_actory-supplied fumace of casing parts bag) housing be installed internal and fully seated against stop. Clamp must be tightened A 2-in. diameter casing. Make all pipe diameter d. Be certain that mating be used transitions surfaces within outside of inducer coupling, and 2-in. diameter Assemble the (with 2 loose connection. Insert elastomeric (rubber) ing connection both clamps the clamp e. Install hole plug Bmh on the internal hous- pipe is supplied, vent pipe to fumace inducer NOTE: in loose pipe casing hole. are supplied it must be used to connect on ALL upflow See label on vent extension This pipe may be shortened extension if an elbow tube to field-installed 3. Working fi'om furnace pipe for proper is used with a and downinstallation. vent vent pipe. to outside, pipe to required length(s). 4. Deburr and outside 5. Chamfer outside and cement. of pipe. edge of pipe for better 6. Clean and dry all surfaces metal toward fur- openings where vent and roof or side wall. distribution from those packaged with outside structure. A kit is for 2-1/2 parts pipe Sidewall termination kit is for l-in., pipe systems when 1-1/2 single is desired. vent air termination kit is for 2-i/2 in., when single penetration components diameter. should Roof NOT be counted termination is prefen'ed has reduced chances vent vapors. (See Fig. 36 or temlination surl_aces con'osive combustion Extended Exposed Sidewall combustion-air with may require a corrosive products Sidewall sealing resistance or to take shielding material of due to of vent system. Pipes and extended beyond area shown insulating pipes as indicated terminations may be in Fig. 39 or 40 in outside vent ambient by in Table pipe 8. Determine combustion-air and vent pipe diameters, as stated above, using total pipe length and number of elbows. lengths. 27 and to damage, building winter 3. Determine to be joined. in., 3-in., and has less visible design find appropriate model. of primer and in Fig. 36, 37, 38, 39, and 40 are considered when determining in., systems. in. diameter of wall or roof i-i/2 systems. termination vent/air and 2-1/2 Shaded 2. Using inside bracket 2-pipe These i. cut downward kit is for 1-in., termination 3-in. termination to be termination. 37.) the field to connect differ bracket 2-pipe in contaminants, flow applications. NOTE: termination since it is less susceptible housing of every perforated f't with no sags between 3-in., and 4-in. diameter pipe systems of wall or roof is desired. PVC vent extension pipe (2-in. diameter by 12-in. long). This pipe has a built-in channel to assist vent condensate disposal. When this vent extension a minimum using kit instructions. 4. The 3-in. concentric Tighten (l:actory-supplied inputs made joint. sets. and vent pipes must terminate penetration the stop. Tighten housing. The 2-in. in., 2-in., of torque. and larger to seal pass through instructions kit, follow 3. The 2-in. concentric vent housing PIPE with 100,000 and vent piping methods 4-in. diameter vent pipe are (rubber) vent pipe through combustion-air If these 2. The connec- inducer the pipe to inducer filler cement and vent pipes pipes 2-in. diameter casing. and fully into inducer to 15 in.-lb, in unused EXTENSION Furnaces coupling to secure screws onto the 2-in. diameter until it bottoms casing parts bag) elastomeric i. the fi._rnace housing dry. clamps) bead of cement factory accessory temlination kit must be installed in 1 of the installations shown in Fig. 36, 37, 38, 39, and 40. Four termination kits are available: any furnace clean and until 1/4 turn. socket. of a properly of 1/4 in. per linear appropriate Combustion-air inducer to prevent tion, elastomeric coupling VENT pipe must of excess or -26 PVC) combustion-air termination condensate leakage. Failure to follow this warning could result in electrical shock, fire, personal il_iury, or death. NOTE: buildup hole. ¥:_ "E_!3;U, II_,-3 pipe must to prevent CONCENTRIC VENT AND COMBUSTION-AIR TERMINATION KIT INSTALLATION support NOTE: Vent in a light, strap. combustion-air Pipe to end of cement hangers. to prevent this warning carefully combustion-air nace a mininmm and fully seated housing. any condensate c. Install cap must be installed cement A continuous perimeter 5 ft (3 ft for SDR-21 hanging generous and end of pipe Apply into fitting fi'om joint. around pipe joints 12. Support Fig. 35--Air result cement will be visible 11. Handle apply socket is still wet, twist pipe into socket with Be sure pipe is fully inserted and any joint. approved (over primer). uniform on pipe. be cut, prepared, cementing cut and preassembled, primer pipe and fitting depth that all pipes permanently of cement insertion temperature temperature required insulation (used in load calculations), for your application thickness for and furnace exposed pipe Table 7--Maximum ALTITUDE TERMINATION TYPE UNIT SIZE (FT) 040-08 040-12 2 Pipe or 2-in Concentric 080-12 080-16 080-20 2 Pipe or 2-in Concentric 100-16 100-20 ALTITUDE NA NA NA 1-!/2 70 70 65 60 60 55 2 70 70 70 70 70 70 1-!/2 20 15 !0 5 NA NA 2 70 70 70 70 70 70 1-!/2 10 NA NA NA NA NA 20 30 30 70 70 70 70 2 5 NA NA NA NA NA 2-1/2 40 30 20 20 !0 NA 3 70 70 70 70 70 70 2-!/2 one disk 10 NA NA NA NA NA 20 3t 45 40 35 30 25 31- no disk 2-!/2 one disk 70 5 70 70 70 70 70 NA NA NA NA NA 31- one disk 40 35 30 25 20 15 31- no disk 60 56 52 48 44 40 4t no disk 70 70 70 70 70 70 2 Pipe or 3-in. Concentric 2 Pipe or 3-in. Concentric 140-20 TERMINATION TYPE UNIT SIZE 040-08 040-12 2 Pipe or 2-in Concentric 060-08 060-12 060-16 2 Pipe or 2-in Concentric 080-12 080-16 080-20 3001 to 4000 NA 35 2 Pipe or 3-in Concentric 120-20 (FT) 6 NA 70 2 Pipe or 2-in Concentric 100-16 100-20 ALTITUDE 5 5 2 Pipe or 2-in Concentric NUMBER OF 90 ° ELBOWS PIPE DIA (iN.)* 1 2 3 4 5 6 1-!/2 67 62 57 52 52 47 2 70 70 70 70 70 70 1-1/2 17 12 7 NA NA NA 70 67 66 61 61 6! 49 44 3O 25 25 15 2 Pipe or 2-in Concentric 080-12 080-16 080-20 2001 to 3000 4 1 50 2 Pipe or 2-in Concentric 060-08 060-12 060-16 3 70 TERMINATION TYPE 040-08 040-12 2 55 2 Pipe or 3-in. Concentric UNIT SIZE (FT) 1 2 2 Pipe or 3-in. Concentric 140-20 OF 90 ° ELBOWS (IN.)* 2-!/2 2 Pipe or 3-in Concentric 120-20 NUMBER PIPE DIA 2 Pipe or 2-in Concentric 060-08 060-12 060-16 0 to 2000 Allowable Pipe Length (ft) 2-1/2 7O 7O 7O 70 70 70 2-1/2 35 26 !6 16 6 NA 3 7O 7O 70 70 66 61 3 14 9 NA NA NA NA 43 31 no disk 7O 7O 63 56 50 41- no disk 7O 7O 7O 70 70 70 31 one disk 20 15 10 5 NA NA 31 no disk 39 35 31 27 23 19 41- no disk 7O 7O 7O 70 70 70 PIPE DIA (IN.)* 1 2 3 4 5 6 1-!/2 64 59 54 49 48 43 2 70 70 7O 70 70 70 1-1/2 16 11 6 NA NA NA NUMBER OF 90 ° ELBOWS 68 63 62 57 57 56 2 46 41 28 23 22 13 2-!/2 70 70 70 70 70 70 33 24 !5 14 5 NA 100-16 100-20 2 Pipe or 3-in Concentric 2-1/2 3 70 70 70 66 61 56 120-20 2 Pipe or 3-in. Concentric 31- no disk 65 58 51 44 38 3! 41 no disk 70 70 70 70 70 70 31 one disk 11 6 NA NA NA NA 31 no disk 30 26 22 !8 !4 10 41- no disk 70 70 70 70 70 70 2 Pipe or 3-in. Concentric 140-20 See notes at end of tabte NOTE: located space Table Pipe length (ft) in unconditioned cannot 7. exceed total specified spaces. for maximum Pipes allowable pipe Two-Pipe Termination Kit i. Detennine location for tennination. Consider the following when determining location for termination kit. lengths located in unconditioned pipe length as specified in 28 an appropriate Table 7--Maximum ALTITUDE (FT) UNIT SIZE 040-08 040-12 060-08 060-12 060-16 4001 to 6000€ 080-12 080-16 080-20 100-16 100-20 120-20 140-20 ALTITUDE (FT) UNIT SIZE 040-08 040-12 6001 to 6000¢ (FT) ALTITUDE (FT) OF 90 ° ELBOWS (IN.)* 1 2 3 4 5 6 1-1/2 60 55 50 45 44 39 2 70 70 70 70 70 70 15 10 5 NA NA NA 2 64 59 58 53 52 52 2 44 39 26 21 20 1! 2-!/2 70 70 70 70 70 70 2 Pipe or 3-in Concentric 2-!/2 31 22 !3 !2 NA NA 3 70 70 67 62 57 52 2 Pipe or 3-in. Concentric 31- no disk 53 46 40 33 26 20 4t no disk 70 70 70 70 70 70 2 Pipe or 3-in. Concentric 31- no disk 21 17 !3 9 5 NA 41- no disk 69 64 59 54 49 44 TERMINATION TYPE PIPE DIA (IN.)* 1 2 3 4 5 6 1-!/2 57 52 47 42 40 35 2 Pipe or 2-in Concentric 2 Pipe or 2-in Concentric 2 Pipe or 2-in Concentric 080-12 080-16 080-20 2 Pipe or 2-in Concentric NUMBER OF 90 ° ELBOWS 2 70 70 70 70 70 70 1-1/2 14 9 NA NA NA NA 2 60 55 54 49 48 47 2 41 36 23 18 17 8 2-!/2 70 70 70 70 70 70 29 21 !2 !1 NA NA 47 100-16 100-20 2 Pipe or 3-in Concentric 2-!/2 3 70 67 62 57 52 120-20 2 Pipe or 3-in. Concentric 31 no disk 42 35 29 22 15 9 41 no disk 70 70 70 70 70 70 2 Pipe or 3-in. Concentric 31 no disk 12 8 NA NA NA NA 41- no disk 42 37 32 27 22 17 TERMINATION TYPE PIPE DIA (IN.)* 1 2 3 4 5 6 1-!/2 53 48 43 38 37 32 UNIT SIZE 2 Pipe or 2-in Concentric 060-08 060-12 060-16 2 Pipe or 2-in Concentric 080-12 080-16 080-20 2 Pipe or 2-in Concentric 100-16 100-20 NUMBER OF 90 ° ELBOWS 2 70 70 68 67 66 64 1-!/2 13 8 NA NA NA NA 2 57 52 50 45 44 43 2 38 33 21 !6 15 6 2-1/2 70 70 68 67 66 64 2 Pipe or 3-in Concentric 2-!/2 27 19 !0 9 NA NA 3 68 63 58 53 48 43 120-20 2 Pipe or 3-in. Concentric 31 no disk 3! 24 !8 !1 NA NA 41- no disk 70 70 70 70 67 62 140-20 2 Pipe or 3-in. Concentric 41 no disk 17 12 7 NA NA NA TERMINATION TYPE PIPE DIA (IN.)* 1 2 3 4 5 6 1-!/2 49 44 39 34 33 28 UNIT SIZE 040-08 040-12 7001 to 8000¢ NUMBER PIPE DIA 1-1/2 2 Pipe or 2-in Concentric 040-08 040-12 6001 to 7000¢ 2 Pipe or 2-in Concentric 060-08 060-12 060-16 140-20 ALTITUDE TERMINATION TYPE Allowable Pipe Length (ft) (Continued) 2 Pipe or 2-in Concentric 060-08 060-12 060-16 2 Pipe or 2-in Concentric 080-12 080-16 080-20 2 Pipe or 2-in Concentric 100-16 100-20 2 Pipe or 3-in Concentric 120-20 2 Pipe or 3-in. Concentric NUMBER OF 90 ° ELBOWS 2 66 65 63 62 60 59 1-!/2 12 7 NA NA NA NA 2 53 48 46 41 40 38 2 36 31 !9 !4 12 NA 2-1/2 66 65 63 62 60 59 2-1/2 25 17 8 7 NA NA 3 63 58 53 48 43 38 3t no disk 20 13 7 NA NA NA 41- no disk 61 56 51 46 41 36 140-20 NA See notes at end of table 29 Table 7--Maximum ALTITUDE TERMINATION TYPE UNIT SIZE (FT) 040-08 040-!2 PIPE DIA 2 Pipe or 2-in Concentric 1 2 3 4 5 6 1-1/2 46 41 36 31 29 24 2 62 60 58 56 55 53 11 6 NA NA NA NA 2 49 44 42 37 35 34 2 33 28 !7 !2 !0 NA 2-!/2 62 60 58 56 55 53 2 Pipe or 3-in Concentric 2-!/2 23 15 7 5 NA NA 3 59 54 49 44 39 34 2 Pipe or 3-in. Concentric 31- no disk 10 NA NA NA NA NA 41- no disk 35 30 25 20 !5 10 2 Pipe or 2-in Concentric 080-!2 080-!6 080-20 2 Pipe or 2-in Concentric 100-16 100-20 120-20 NUMBER OF 90 ° ELBOWS (IN.)* 1-1/2 060-08 060-!2 060-16 8001 to 9000€ Allowable Pipe Length (ft) (Continued) 140-20 ALTITUDE NA TERMINATION TYPE UNIT SIZE (FT) 9001 to 10,000$ 040-08 040-!2 2 Pipe or 2-in Concentric 060-08 060-!2 060-!6 2 Pipe or 2-in Concentric 080-!2 080-16 080-20 2 Pipe or 2-in Concentric 100-16 100-20 2 Pipe or 3-in Concentric 120-20 2 Pipe or 3-in. Concentric PIPE DIA (IN.)* 1 2 5 6 1-!/2 42 37 32 27 25 20 2 57 55 53 51 49 47 45 40 38 33 31 29 2 30 25 !4 9 7 NA 2-!_ 57 55 53 51 49 47 2-1/2 21 13 5 NA NA NA 3 54 49 44 39 34 29 4t no disk 10 5 NA NA NA NA 140-20 NUMBER OF 90 ° ELBOWS 3 4 NA Disk usage-Unless otherwise specified, use perforated disk assembty (factory-suppfied in toose parts bag). If one disk is stated, separate 2 halves of perforated assembly and use shouldered disk half When using shouldered disk half, install screen side toward inlet box. tWide radius etbow SVent sizing for Canadian installations over 4500 ft (1370 m) above sea level are subject to acceptance by the local authorities having jurisdiction. NA-Not Allowed; pressure switch wilt not make. NOTES: 1 Do not use pipe size greater than those specified in tabte or incomplete combustion, flame disturbance, or flame sense Iockout may occur 2 Size both the combustion-air and vent pipe independently, then use the larger diameter for both pipes 3. Assume two 45 ° elbows equal one 90 ° elbow Long radius etbows are desirable and may be required in some cases 4 EIbows and pipe sections within the furnace casing and at the vent termination should not be included in vent length or etbow count. 5 The minimum pipe length is 5 ft for atl applications 6 Use 3-in. diameter vent termination kit for installations requiring 4-in diameter pipe. a. Comply 5. with all clearance b. Termination will not ment. kit should damage requirements be positioned plants/shrubs as stated in Table where elbow, vent vapors or air conditioning making SidewMl 40. U-fitting. For applications equip- A 180 ° U-fitting terminations Install bracket using lines in Fig. 39, rotate disk may be used. as shown in Fig. 39 or vent pipe option indicated by dashed vent elbow 90 ° from position shown in Fig. 39. c. Termination affected allow kit should by wind be positioned eddy (such recirculation so that it will not be as inside of flue gases, building airborne corners) leaves, 4. Disassemble or procedures or light 5. Check sno_,v. d. Termination kit should be positioned damaged by or subjected balls, etc. e. Termination kit should to foreign where objects, Concentric it will not be be positioned where vent vapors mining are being 1 for each pipe, install combustion-air Roof elbow in bracket terminations_oosely as shown install place assembly pipe coupling must be positioned on on prop- using combustion-air by dashed in Fig. 36, install in Fig. 36, 39, or 40. Kit for termination. of the following location with all clearance should be made for termination reqnirements when deter- kit. as stated in Table so bracket pipe 90 ° street option, elbow will vapors equip- c. Termination not be comers) or kit should by wind be positioned or light 90 ° 30 snow. so it will eddy (such as inside building that may allow recirculation indicated into b. Termination kit should be positioned where vent will not damage plants/shrubs or air conditioning ment. affected in Fig. 36. For applications lines and using same size for pipe size pipe. erly cut vent pipe. Coupling mount of appropriate used. 3. Loosely location (?lean and cement piping. as shown Termination an appropriate a. Comply 5. for system dimensions Vent/Air Consideration not objectionable. 2. Cut 2 holes, required i. Determine such as stones, loose pipe fittings. as used of flue gases, airborne leaves, AIR AND VENT 8 3/4" FOR 3" KIT 6 3/4" FOR 2" KIT MAINTAIN 12 IN. CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL. MAXIMUM OF 24 IN. ABOVE ROOF. A87224 Fig. 36--Roof MAINTAIN 12 IN. (18 IN. FOR CANADA) MINIMUM CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL. MAXIMUM OF 24 IN. ABOVE ROOF. Termination (Preferred) \_ _N@_-_/S/_ _>_-_/ x(____/ ./J Jr IN. SEPARATION BOTTOM OF :'COMBUSTION AIR AND OF VENT / .'.-. •: _ A93054 Fig. 37--Concentric Vent and Combustion-Air Termination (Preferred) Roof 12 IN. CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW :.." LEVEL OR GRADE, WHICHEVER IS GREATER. COMBUSTION-AIR A87225 Fig. 39_idewall d. Termination Termination of 12 in. or More kit should be positioned damaged by or subjected balls, etc. e. Termination kit should to foreign where objects, be positioned it will not be such as stones, where vent vapors are not objectionable. 2. Cut one 4-in. diameter hole for 3-in. kit. 3. Loosely together 12 IN. CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL OR GRADE, WHICHEVER IS GREATER. A93055 Fig. 38--Concentric Vent and Combustion-Air Termination assemble using inside Do not allow terminations Locate as shown in Fig. 37. shield terminations positioned termination or other materials when installing height Fig. 38. 31 insulation Roof rain vent/air components in kit. kit with rain shield REMOVED of pipe assembly Sidewall Side concentric instructions 4. Slide assembled NOTE: hole tbr 2-in. kit, or one 5-in. diameter assembly Locate no more it through through assembly than l-in. through hole. to accumulate hole. roof to appropriate through sidewall with from wall as shown in conf'orm F656. to ASTM D2564 In Canada, PVC drain pipe, When fittings, a condensate approved or F493. Primer use CSA or ULC Furnace pump select is required, furnace a pump condensate select to ASTM 40 CPVC a pump applications. or acidic, nature is conden- switch. typically in the pH range of this condensate, filter may be desired. which To avoid with an overflow is mildly 3.2 to 4.5. Due to corrosive pH neutralizing schedule and cement. for condensing sate spillage, must conform listed Check of a condensate with local authorities / to determine if a pH neutralizer is required. APPLICATION IN. SEPARATION BOTTOM OF :'COMBUSTION AIR AND OF VENT The A/C, trap connections CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL OR GRADE, WHICHEVER IS GREATER. and humidifier together. supplied !2 IN. / COMBUSTION-AIR (ELBOW PARALLEL TO WALL) furnace, drained The prior AiC to the (furnace, drains drain may be combined must furnace have drain connection. A/C, or humidifier) an open or vented drain as close possible to prevent siphoning field- All drain must be temlinated into to the respective equipment of the equipment's See Fig. 46 for example of possible 1/2-in. CPVC or PVC tee for vent and an external, as drain. field drain attachment and AiC or humidifier using drain connection. A87226 Outdoor Fig. 40--Sidewall Termination When Wall Penetration is Less than 12 in Above Snow or Grade. 5. Disassemble procedures 6. Check loose pipe fittings. as used required for system dimensions (:lean and cement codes. draining Caution When 58MXA Caution in Fig. 37 or 38. should are vented draining near each are vented Freezing installed as shown and 45 that vent terminations of flue gases. represents touching Dimension distance or 2-in. maxinmm from first 2 temlinations. be made as shown between or equivalent to avoid "A" in Fig. 41, 42, 43, 44, pipes supplied tions. shields, DRAIN condensate shielded, or rain as separation. where Excessive soil conditions slippery condensate which may result PROTECTION left in condensate trap and drain line may 3 to 6 watt per ft at 120 v and 40°F self-regulating, and waterproof heat with accessory tape. 2. Locate See Installation Instructions or heat tape manufacturer's i. Fold heat tape in half and wrap ¥:I ['{AliiI_']II heat tape between recommenda- on itself 3 times. sides of condensate trap back. (See Fig. 47.) Unit must not be installed, operated, and then turned off and left in an unoccupied structure during cold weather when temperature drops to 32°F and below unless drain trap and drain line have adequate freeze protection. See Service and Maintenance Instructions for winterizing procedure. (See Fig. 15.) Step 10--Condensate draining injuries. cause cracks, and possible water damage may occur. If fi'eeze protection is required, use condensate freeze protection accessory in Fig. 41, 42, 43, 44, and 45, but next vent nmst be at least 36 in. away recirculation may be to prevent to plants. furnaces other, 2 vent terminations be taken may cause saturated in damage other, CONDENSATE It is important draining. may cause personal each furnace must be individually vented. NEVER common vent or breach vent 58MXA furnaces. When 2 or more 58MXA termination by local may fi'eeze using same TERMINATIONS Furnaces near each if allowed ambient piping. as shown AND VENT 2 or more is permissible be taken when freezing drain pipe and prohibit conditions MULTIVENTING of the furnace should 3. Use wire ties to secure positioned in notches heat tape in place. of condensate 4. Wrap field drain pipe with remaining 1 wrap 5. When Step ties can be (See Fig. 47.) heat tape, approximately per ft. using facturer's Drain Wire trap sides. field-supplied instructions 11--Sequence heat tape, follow heat for all other installation tape manu- guidelines. of Operation GENERAL Condensate trap is shipped connected for UPFLOW RELOCATED for use installed in the blower ¥:I ["{alliiI'l/l shelf and factory applications. Condensate trap nmst be in DOWNFLOW and HORIZONTAL applications. Furnace control control will green_ellow Condensate trap MUST An external trap is not required this condensate be used for all applications. when connecting the field drain to Using schematic different trap or drain tube coupling) PVC, or 5/8-in. ID tube Drain pipe and fittings nmst conform to ANSI standards ASTM D1785, D2466 or D2846. CPVC or PVC cement wire be grounded out. for proper Control connected is operation, grounded to gas valve or through and bunter box screw. trap. The field drain connection (condensate is sized for 1/2-in. CPVC, ii2-in. connection. nmst lock modes. diagram, follow sequence (See Fig. 30.) Read of operation and follow wiring through diagram carefully. NOTE: the and must Ifa control seconds inten'uption start after power gas heating. 32 power will is restored, The Amber occurs a 90-second status during blower-only if the thermostat a call for heat (W), ON period two is still calling for code LED light will flash code 12 Table 8--Maximum Allowable Exposed Vent Pipe Length (It) With and Without Insulation in Winter Design Temperature Ambient* FURNACE SIZE WINTER DESIGN TEMPERATURE (OF) 20 MAX PIPE DIAMETER (IN,) ! .5 040 060 080 100 120 140 WITHOUT WITH 3/8-1N. OR INSULATION 51 THICKER INSULATIONt 70 0 1.5 28 70 -20 1.5 16 70 20 2 45 70 0 2 22 70 -20 2 !0 58 20 2 65 70 0 2 35 70 -20 2 20 70 20 2 55 55 0 2 48 55 -20 2 30 55 20 2.5 70 70 0 2.5 47 70 -20 2.5 28 70 20 2.5 40 40 0 2.5 40 40 -20 2.5 38 40 20 3 70 70 0 3 50 70 -20 3 28 70 20 3 70 70 0 3 61 70 -20 3 37 70 20 4 70 70 0 4 48 70 -20 4 23 70 20 3 60 60 0 3 60 60 -20 3 44 60 20 4 70 70 0 4 57 70 -20 4 30 * Pipe length (ft) specified for maximum pipe lengths located in unconditioned as specified in Table 7. 1 Insulation thickness based on R value of 35 per in. 70 spaces. Pipes located in unconditioned space cannot exceed total allowable pipe length A96128 Fig. 41--Rooftop during the 90-second continuous, period, period, Termination after which as long as no faults are detected. the fi_rnace will respond (Dimension the LED After to the thermostat will "A" is Touching or 2-in. Maximum Separation) HEATING be ON the 90-second (See Fig. 27 for thermostat blower through control motor door must be installed the blower door CPU, transIbnner BLWM, hot-surface interlock TRAN, igniter for power switch inducer connections.) normally. The The MODE to be conducted ILK to the motor IDM, HSI, and gas valve wall circuit. Ii_rnace blower thermostat The furnace pressure switch motor IDM. GV. 33 "calls control contacts for heat," performs closing a self-check, PRS are open, and starts the R to W verifies the the inducer J COMBUSTION AIR AIR COMBUSTION A93056 Fig. 42--Concentric Vent and Combustion-Air Roof Termination (Dimension "A" is Touching or 2-in. Maximum Separation) A96129 Fig. 44_Raised Sidewall Termination When Wall Penetration is 12 in. or Less Above Snow or Grade (Dimension "A" is Touching or 2-in. Maximum Separation) COMBUSTION AIR _t _'_ .... " COMBUSTION AIR VENT COMBUSTION AIR A93057 Fig. 43--Concentric Vent and Combustion-Air Side Termination (Dimension "A" is Touching or 2-in. Maximum Separation) a. Inducer comes Prepurge Period- up to speed, to begin b. Igniter a 15-second Warm-[ Hot-Surface igniter HSI is energized Sequencethe When and -2 close to energize main period, the going a 17-second the igniter is supplied at the HUM Igniter HSI is de-energized terminal. HSI. After and a 2-second where power is proved for a field- control The gas valve and operate it is ignited proved. by the igniter flame-proving CPU begins sensor electrode the blower-ON hold the gas valve within the buruer flame at the for up to three more flame valve to Trials-For-Ignition auto- control 24 vac CPU (not at 120 sizes) R-to-W before stopping 34 motor If the not be present, of Gas-Heating the mode IDM until flame is no longer buruer on HEAT or 45 seconds the electronic and remains BLWM Blower-Off the ignition should flame is proven, the speed 66 seconds (040 (140 size) after the gas GV is energized. motor is not flame is energized is energized CPU will close the CPU will repeat reset interrupting or by interrupting will lock out Delay- motor Simultaneously, control and continues If the buruer the control gas valve GV, and the control sequence the furuace delay period GV open. two seconds, FSE, is proved when CPU the inducer Blower-On blower through When to the furuace, furuace period be W, G, R, etc.). contacts Flame-Proving will or by momentarily at SEC1 or SEC2 to the furnace If flame 5 seconds, Lockout after three hours, GV, the gas begins. d. Flame-Proving- proved to Ignition-Lockout. matically warm-up relay the gas valve gas flow to the burners the Hot Surihce Ibr gas valve and 24 vac power hmnidifier Termination of More than 12 in. is Touching or 2-in. Maximum Separation) 115 vac power GVR-1 GV permits Fig. 45--Sidewall (Dimension "A" IDM PRS close period. is completed opens, motor contacts period. period installed inducer p- At the end of the prepurge c. Trial-for-Ignition valve the switch prepurge igniter warm-up As the pressure A96130 air cleaner energized tenninal EAC-1 as long as the blower is energized. Delay- circuit When is opened, gas flow the thennostat de-energizing to the burners, is satisfied, the the gas valve GV, and de-energizing the The electronic air cleaner terminal EAC-1 115 vac when the blower motor When the thermostat is satisfied, are opened. blower The motor COOL speed DHUM outdoor unit BLWM will will to reduce stop, continue for an additional is energized and the furnace operating 90 seconds. the cooling with BLWM is operating. the R to G-and-Y circuits off-delay on Jumper the Y/Y2 to to 5 seconds. (See Fig. 31.) b. Two-Speed OPEN STAND "-7 PiPE FOR / (See A/COR/ Cooling Fig. 27, 49, 51, 53, and 54 tbr thermostat connec- tions.) HUMIDIFIER j[ DRAIN The thermostat low-cooling closes or closes for high-cooling. the furnace R to G-and-Y1 circuits the R to G-and-Yl-and-Y2 The R to Y1 circuit on low-cooling speed the blower motor The BLWM circuits starts the outdoor speed, and the R to G-and-Y1 as FAN). for on low-cool R to Yl-and-Y2 unit circuit starts speed (same circuits start the outdoor unit on high-cooling speed, and the R to G-andY/Y2 circuits start the furnace blower motor BLWM on COOL speed. The electronic with 115 vac operating. When the thennostat A94054 G and-Y1 Fig. 46--Example air cleaner terminal EAC-1 is energized whenever the blower motor BLWM is of Field Drain Attachment stops, circuits and the furnace cleaner temfinal additional CONDENSATE is satisfied, and-Y2 cooling blower EAC-I 90 seconds. off-delay THERMIDISTAT the R to G and-Y1 are opened. remain energized Y1 to DHUM to 5 seconds. "_ When there the DHUM terminal. input dehumidify (3 WRAPS a. When remain terminal energized HUM. The for a 15-second or 5-second (140 size) post-purge BLWM and air cleaner terminal gized fur 90, blower-OFF factory-set COOLING inducer delay selection). motor (040 through period. EAC-1 120, 150, or 180 seconds for a 120-second BLWM IDM speed will The blower motor will remain ener(depending The furnace control blower-OFF "calls a. Single-Speed CPU is lbr cooling." closes circuit control is closed running no detected control is low or reverts back also applies exceptions the are listed and there furnace is a blower motor speed (same at low-cool Y.Y2 circuit the BLWM will &op the blower speed the R to G-and of 10 minutes is closed and there fumace blower from before speed. If there is still a demand 20 minutes, the furnace blower speed back minute cycle will to HEAT continue control speed. as long COOL is a motor to HEAT reverting back to for dehumidification CPU will &op This alternating as there the 10- is a call for cooling. c. When the R to G-and-Y The for dehumidification, after Cooling (See Fig. 27, 48, 50, and 52 for thermostat The thermostat continue input in item 2. above demand COOL delay. described input ON when input, the furnace If the DHUM a Thermidistat. for a maximum on the is turned the furnace from the DHUM 24 vac is initially lbr dehumidification, will the DHUM as FAN). b. When 120 sizes) MODE The thermostat mode. the R to G-and-Y1 demand Trap Heat Tape with input When on the DHUM operation to operation below: A93036 humidifier control The cooling MINIMUM)_ Fig. 47--Condensate exists. in Thennidistat demand, In other words, OFF tbr more than 48 hours, to non-Thermidistat mode. I_ connections.) 24 vac signal is removed The DHUM demand by the furnace TAPE_ the (See Fig. 31.) is a dehumidify which means logic is reversed. HEAT an to reduce output, DHUM on the Thermidistat to the furnace control thermostat temfinal input is activated, operates air for MODE The dehumidification should be connected WIRE TIE(S)_ unit and electronic (See Fig. 48, 49, 50, and 51 for Thermidistat DHUM. or R to outdoor BLWM will Jumper The connections) circuits. the "call for cooling" demand for dehumidification, is decreased from 90 seconds The R to CONTINUOUS Y circuit starts the outdoor unit, and the R to G-and-Y.Y2 circuits start the furnace blower motor BLWM on COOL BLOWER When the R to G circuit speed. motor 35 BLWM is satisfied while there the cooling blower-off to 5 seconds. is a delay MODE is closed by the thermostat, will operate on continuous-blower the blower speed (can THERMIDISTAT SINGLE-STAGE FURNACE SINGLE-SPEED AIR CONDITIONER THERMIDISTAT SINGLE-STAGE FURNACE SINGLE-SPEED HEAT PUMP N'AI_ RVS COOLING N/A N/A HEAT STAGE 1 COOL STAGE 1 HEA _FSTANGA E E2 FAN [_ HEAT/COOL STAGE 1 (COMPRESSOR) 24 VAC HOT [_ FAN [_ DEHUMIDIFY 24 VAC HOT [_ 24 VAC COMM DEHUMIDIFY _ HUM 24 VAC COMM HUMIDIFY HUM [ HUMIDIFIER (24 VAC) OOTOOOR F_ HUMIDIFY _1 [_ _ "'"-. ....4 HUMIDIFIER (24 MAC) I.......... _ :: OUTDOOR SENSOR N/A I_ coS_."_so,%Q_ OUTOOOR _[_ See notes 2, 5, 7, and 10 A00268 See notes 1,2, 4, 6, 7, 9,10 and 12 Fig. 48-Single-Stage Furnace with Single-Speed Air Conditioner A00270 Fig. 50-Single-Stage Furnace with Single-Speed Heat Pump (Dual Fuel) THERMIDISTAT SINGLE-STAGE TWO-SPEED FURNACE THERMIDISTAT SINGLE-STAGE FURNACE HEATPUMP RVSOOOL,NG_ ..................................................... _ TWO-SPEED AIR CONDITIONER HEAT/COOL STAGE _I_ (COMPRESSOR LO) COOLSTAGEI_ HE A_FSuTAGcEE__ HEATSTAGEI_ HEAT/COOL STAGE HI) 2 _ (COMPRESSOR ............... _ [_ NOTE 12 .................... ........ ...... _ .............. COOLSTAGE2_ _4VACHOTE2 _ ........ _ ........./_ FAN [_ 24 VAC HOT [_ DEHUMIDIFY [_ [_ 24 VAC COMM [_ [_:: _]t /_ DEHUMIDIFY 24 VAC COMM ] [_ ] HUM "'-. ] HUMIDIFY HUMIDIFY _ .....[ (24VAC) HUMIDIFIER ] _ HUM [_ ................... t_L (24 VAC))_ HUMIDIFIER ........ See notes 1, 2, 3, 4, 6, 8, 9,10 and 12 [ i N/A [_ ...... OUTOOOR N/A [_ coS_."_s°,_o.-/[2_ OUTDOOR SENSOR °_Je_°o°_ _ CONNECT'ON _I _ A00271 See notes 2, 5, 8, and 10 Fig. 51-Single-Stage Furnace with Two-Speed Heat Pump (Dual Fuel) A00269 Fig. 49-Single Stage Furnace with Two-Speed Air Conditioner 36 DUAL FUEL THERMOSTAT SINGLE-STAGE FURNACE SINGLE-SPEED HEAT PUMP DUAL FUEL THERMOSTAT RVS COOLING RVS COOLING SINGLE-STAGE FURNACE TWO-SPEED HEAT PUMP [_ N/A [_ [] z HEAT/COOL STAGE 2 (COMPRESSOR HI) HEAT/COOL STAGE 1 (COMPRESSOR/_ FAN FAN[_ 24 VAC COMM [_ [_ N/A [_ N/A [_ RVS SENSING [_ 24 VAC I{OT [_ 24 VAC HOT[_ 24 VAC COMM ! RVS SENSING [_ OUTDOOR [_ _[_ DONNEDT,ON See notes 1, 2, 4,11,12, See notes 1 2, 3, 4 11,12, and 14 and 13 A02103 A02102 Fig. 53-Dual Fuel Thermostat with Single-Stage Furnace and Two-Speed Heat Pump Fig. 52-Dual Fuel Thermostat with Single-Stage Furnace and Single-Speed Heat Pump TWO-STAGE THERMOSTAT SINGLE-STAGE FURNACE TWO-SPEED AIR CONDITIONER -I-q "E_ D" - :LD U HUM Seenote2 ', HUMIDFIER (24VAC) A02161 Fig. 54-Two-Stage Thermostat with Single-Stage Furnace and Two-Speed Air Conditioner 37 .. ', Notes For Figure 48-54 i. Heat pump 2. Refer MIST have a high pressure to outdoor equipment 3. Select the "ZONE" 4. Outdoor position Air Temperature switch Installation on the two-speed Sensor for dual fuel applications. Instructions nmst for additional heat pump be attached No. 1 on Thennidistat should be set in OFF No. 1 on Thennidistat should be set inON 7. Dip switch No. 2 on Thennidistat should be set in OFF 8. Dip switch No. 2 on Thennidistat should be set in ON position Option No. should 10 "Dual be made Selection" 11. The RVS Sensing 12. DO NOT SELECT the "FURNACE internally by the Thennidistat_ual controlled terminal Fuel to the furnace "L" should position position for air conditioner for heat pump position for single-speed nmst be tumedON HUM terminal not be connected. INTERFACE" should be set in OFF should be set in ON position to FAN, speed) energized HEAT, speed. as long as the blower motor During a call for heat, igniter warm-up blower-ON seconds), allowing quickly, delay period delay period at HEAT before speed will speed (stone operate continuous-blower as motor BLWM mostat thermostat is satisfied, will operate at COOL furnace blower speed. back is opened, blower Blower different BLWM to HEAT motor Speed BLWM Selection is operating. speed. from control turning an begin back can be changed in the memory power interruption. HEAT PUMP fi'om COOL back blower-OFF switch speed with changes a heat the blower pump, tinting will If the R leaving the G signal, the on for the selected blower- to W-and-Yl-and-YY2-and-G the furnace motor control BLWM The blower CPU will at HEAT motor switch speed, BLWM to and will remain the furnace control and the blower delay. motor delay begins a normal switches inducer to COOL If the R to W-and-YiY2-and-G signals BLWM period. disappear will remain speed or R to at the same on for the selected If the R to W-and-Y Y2 or R to period nents delay then switch to continuous-blower and is a The control auto- to avoid long 38 TEST furnace control to run for a short time; terminal HUM terminal is energized helps diagnose The component is present completed. sequence BLWM blower-OFF signal the furnace motor delay period. signals disappear, leaving the G signal, BLWM will remain on for the selected ---) NOTE: MODE installed matically speed signals W-and-Yl-and-YiY2 the blower motor COMPONENT speed. tbllowing and for the selected to low-cool the blower the period speed. will shift the used speed switches blower-OFF or R period fune, the blower (See Fig. 50, 51, 52, and 53 for thermostat connections.) When time, W-and-Yl-and-YiY2-and-G room of FAN to FAN disappears, post-purge at HEAT disappear, will remain cycle. disappears, post-purge -To as many times as desired to be automatically a heating signal CPU will shift the procedure then come back on until the end of the prepurge period, then shut off for 24 seconds then come back on at HEAT speed. When the W input BLWM off the FAN When the R to If the R to W-and-Yl-and-G at the same signals BLWM inducer then on for the selected on the blower setting Repeating stored running or turn f_com the will shift the continuous-blower The selection as FAN'). after a 3-second from HEAT speed (same speed default. circuits are energized the to or turn on the blower the W input signal period the ther- if no other again at the thermostat continuous-blower delay are energized Thermostat fi'om the factory Momentarily This is OFF delay period then switch to continuous-blower speed. When the R to W-and-Y/Y2, R to W-and-YiY2-and-G, R to operation. speeds The fumace speed to COOL. remains blower-OFF circuits motor 5 seconds, This is factory def_cost cycles. a normal blower reverting the blower continuous-blower the continuous-blower demand When begins to W-and-Y1 blower motor thermostat, momentarily turn off the FAN switch or pushbutton on the room thermostat for 1-3 seconds after the blower motor operation. then shut off for 24 seconds speed. the blower remain to will operate before for an additional the When BLWM speed board. at HEAT speed, and begin a heating cycle. The BLWM will remain on until the end of the control disappear motor on low-cool reverting speed. motor control operation. during period, on at HEAT blower-OFF for high-cooling", the blower operating requires select prepurge to heat the blower ofttimes motor BLWM blower motor and 120 sizes the compressor W-and-Yl-and-YiY2, "calls the R to G circuit Continuous hold 90 seconds before additional 90 seconds on COOL to continuous-blower speed. function during at low-cool speed (stone speed is satisfied, the blower motor FAN) heat pump W-and-Y1 or R to W-and-Yl-and-G furnace control (7PLY will switch speed. the will continue stop seconds), to continuous-blower an additional speed When When will "calls for low-cooling", BLWM will switch to operate as FAN). When the thermostat BLWM (7 during the selected reverting the thermostat This is fi_ctory defimlt. operation. on the two-speed compressor blower is is energized. will heat exchangers CPU to sense defrost option for single-speed at the end of the blower-ON control used fbr two-speed speed. the furnace BLWM EAC-1 for 040 through the furnace then restarts at HEAT In heating, BLWM ignition position at the thermo- Terminal BLWM delay (66 or 45 seconds up more When the blower (17 or for 140 size), motor or COOL is FAN" operation. operation. Fuel Themlostat. D on Dual Fuel Thermostat default compressor compressor POINT" D on Dual Fuel Thermostat Factory default. a Thermidistat. This is internally or "BALANCE This is factory in all dual fuel applications. when using 14. Dip switch stat. installations. installations. for two-speed 13. Dip switch be adjusted procedure. control. 6. Dip switch 9. Configuration and setup in all dual fuel applications. 5. Dip switch i0. NO connection infomlation component except are not energized when a system test for safety the blower problem feature will ant the control test allows the gas valve all compo- and humidifier reasons. is energized. The EAC-1 This feature in case of a component not operate if any and not until all time failure. thermostat delays are To Begin Component Self-Test: ¥.t_ _I_ Blower access panel control. No component door switch operation taken when manually Failure _ closing iniury, i. Remove access 4. For approximately Caution to must be in electrical R lead from furnace door enclosure. nal on control until shock, control. (iumper) If TEST/TWIN longer than 2 sec, LED will quick-connect goes of£ Remover ONLY are jumpered a. LED will and ignore component b. Inducer motor component c. After is as follows: display combustion-air furnace, previous starts and reset switch. press Condensate button to gas occurs in buruer supply or im- DO NOT jumper check flame roll-out manual to reset Trap With trap must be PRIMED be primed of condensate i. test sequence inadequate condition If necessary, Condensate from test request. Component (flame rollout) reset switch switch. Water termi- jumper COM-24V terminals flash rapidly reset limit switch condition occur. The condensate and with a manual will open and shut offpower the COM-24V terminal (See Fig. 31.) NOTE: operating for continuity. Step 2--Prime 3/16-inch the LED Correct proper venting this switch. switch. 2 sec, short are equipped valve if an overheat Before to the TEST/TWIN terminals. power door. close blower on control can occnr. could result the thermostat 3. Manually 115-v or death. blower 2. Disconnect opens furnaces in burner box. This switch this switch for smwice purposes. to follow this warning personal These Remove or proper trap has 2 intemal by pouring draining chambers water into the inducer may not which can drain side trap. upper inducer housing drain connection cap. (See Fig. 55.) stares code 4 times. and continues to run until Step g of test sequence. 7 seconds the hot suri_ace igniter is energized for 15 sec., then of£ d. Blower motor operates on Continuous-FAN speed for I0 sec. e. Blower motor operates on HEAT speed for 10 sec. f. Blower motor operates on COOL speed for I0 sec. g. Inducer 5. Reconnect motor door switch, 6. Operate 7. Verify furuace room 8. Verify roolI1 and re-install furuace below stops. R lead to furuace per instruction shut down remove tape l'rom blower door. on outer door. by lowering thermostat setting temperature. that furuace restarts by raising thermostat setting above temperature. START-UP Step control, blower PROCEDURES \ 1--General i. Furnace must have a 115-v power supply properly connected and grounded. NOTE: polarity Proper polarity is incorrect, and furnace must be maintained control for 115-v wiring. LED status indicator If A99118 will flash rapidly Fig. 55--Inducer will not operate. 2. Thermostat wire connections at terminals R, W, G, and Y/Y2 nmst be made at 24-v terminal block on furnace control. 3. Natural gas selwice pressure must not exceed wc), and be no less than 0.16 psig (4.5-in. 4. Blower access panel must electrical circuit to furuace. be in place 2. Connect field-supplied ii2-in. housing drain connection. 0.5 psig (14-in. 3. Insert field-supplied wc). to complete Housing Drain Tube Cap ID robe to upper inducer funnel into robe. 4. Pour 1 quart of water into l'unnelimbe. Water should run through inducer housing, overfill condensate trap, and flow into open field drain. (See Fig. 56.) l15-v 5. Remove funnel and robe from inducer housing and replace drain connection cap and clamp. 39 d. Find installation NOTE: altitudes altitude in Table 9 or I0. For Canadian altitudes of 2001 to 4500 of 2001 to 3000 ft in Table 9 or 10. e. Find closest natural Table 9 or i0. f. Follow heat value intersection settings and to find for proper EXAMPLE: Heating gas heat value ft altitude 1050 Btuicu 0.62 No. 45 and Manifbld 3.6-in. pressure example gravity lines and manifold gravity in to point of pressure is shipped using Table 9) ft Specific gravity Therefore: Orifice * Furnace size and specific operation. (0-2000 value specific orifice It, use U.S.A. wc with No. 45 orifices. all main burner orifices and do not need to be changed In this are the correct to obtain size the proper input rate. Check and verify burner ORIFICE SIZE; 2. Adjust NOTE: \ pressure pressure burner enclosure b. Remove seal cap that c. Jumper Trap NEVER ASSUME AND VERIFY. to obtain must a. Remove valve regulator. A99119 Condensate manifold Manifold size in furnace. CHECK ahvays input rate. be measured enclosure front REMOVED. Gas meter must with burner enclosure front INSTALLED. /_.i__ Fig. 56--Filling orifice ALWAYS with burner always be clocked front. conceals adjustment screw for gas on control to start (See Fig. 57.) R and W thermostat connections furrlace. Step 3--Purge Gas Lines If not previously made and check Never for purge gas done, purge for leaks. a gas line into a combustion leaks available with Step an soap solution leaks to check could result lines after all connections open made flame. chamber. Use specifically all connections. in fire, explosion, have been Never test a commercially for the detection Failure to follow personal injury, of this warning or death. 4--Adjustments SET GAS Furnace INPUT up to 2000 at altitudes ft. In the U.S.A., reduced RATE gas input rate on rating plate is fbr installations the input ratings by 2 percent for each for altitudes above 1000 ft above 2000 ft must be sea level. In Canada, the input ratings must be derated by 5 percent altitudes between 2001 ft to 4500 ft above sea level. Furnace rating input rate must be within plate adjusted i. Determine correct natural ± 2 percent of input for A00238 on furnace for altitude. Fig. 57--Redundant gas orifice size and manifold pressure d. Turn adjusting screw, counterclockwise (out) to decrease manilbld pressure or clockwise (in) to increase manifold mput. a. Obtain local average c. Verify gas heat value (at installed altitude) fi'om pressure. gas supplier. b. Obtain average furnace model 58MXA (1000's Btuh) used for model Automatic Gas Control Valve for gas specific model gravity from local gas supplier. and size. Table furnaces with of 040 through 58MXA fumaces rating 9 can only be used for plate 120. Table heating inputs 10 can only be with a heating size of 140. 40 Table 9--Model 58MXA Orifice Size and Manifold Pressure for Correct Input For Use with 040 through 120 Size Furnaces Only (Tabulated Data is Based on 20,000 Btuh per Burner, Derated 2% for Each 1000 Ft Above Sea Level) * ALTITUDE RANGE (FT) 0.64 0,66 Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure 850 43 3.7 43 3.8 42 3.2 42 3.3 42 3.4 875 43 3.5 43 3.6 43 3.7 43 3.8 42 3.2 900 44 3.7 43 3.4 43 3.5 43 3.6 43 3.7 925 44 3.5 44 3.7 44 3.8 43 3.4 43 3.5 950 44 3.4 44 3.5 44 3.6 44 3.7 44 3.8 975 44 3.2 44 3.3 44 3.4 44 3.5 44 3.6 1000 45 3,7 45 3,8 44 3.2 44 3.4 44 3.5 1025 45 3.5 45 3.6 45 3.7 44 3.2 44 3.3 1050 45 3,3 45 3,4 45 3,6 45 3,7 45 3,8 0% 1075 45 3.2 45 3.3 45 3,4 45 3,5 45 3,6 derate 1100 47 3.6 47 3.7 45 3.2 45 3.4 45 3.5 to 2000 ALTITUDE RANGE (Ft) (BTU/CU FT) Avg GAS HEAT VALUE AT ALTITUDE SPECIFIC 0.58 GRAVITY OF NATURAL 0.60 GAS 0,62 0.64 0.66 (Btu/cu if) Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure U,S,A, 775 43 3.8 42 3.2 42 3.3 42 3.4 42 3.5 Altitudes 800 43 3.5 43 3.7 43 3.8 42 3.2 42 3.3 825 44 3.8 43 3.4 43 3.6 43 3.7 43 3.8 850 44 3.6 44 3.7 44 3.8 43 3.5 43 3.6 or 875 44 3.4 44 3.5 44 3.6 44 3.7 43 3.4 Canada 900 44 3.2 44 3.3 44 3.4 44 3.5 44 3.6 Altitudes 925 45 3,7 45 3,8 44 3.2 44 3.3 44 3.4 2001 to 4500 950 45 3,5 45 3,6 45 3,7 45 3,8 44 3.3 975 45 3.3 45 3.4 45 3.5 45 3.6 45 3.8 5% 1000 45 3,1 45 3,2 45 3,4 45 3,5 45 3,6 derate 1025 45 3.0 45 3.1 45 3.2 45 3.3 45 3.4 2001 to 3000 SPECIFIC GRAVITY OF NATURAL GAS Avg GAS HEAT VALUE AT ALTITUDE (Btu/cu if) Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure 750 43 3.7 43 3.8 42 3.3 42 3.4 42 3.5 775 43 3.5 43 3.6 43 3.7 43 3.8 42 3.2 800 44 3.7 43 3.4 43 3.5 43 3.6 43 3.7 825 44 3.5 44 3.6 44 3.8 43 3.4 43 3.5 850 44 3.3 44 3.4 44 3.5 44 3.7 44 3.8 875 45 3,8 44 3.2 44 3.3 44 3.5 44 3.6 900 45 3,6 45 3,7 45 3,8 44 3.3 44 3.4 925 45 3,4 45 3,5 45 3,6 45 3,7 44 3.2 950 45 3,2 45 3,3 45 3,4 45 3,5 45 3,7 7% 975 45 3,0 45 3,2 45 3,3 45 3,4 45 3,5 derate 1000 45 2.9 45 3.0 45 3.1 45 3.2 45 3.3 ALTITUDE RANGE (Ft) 3001 O _ GAS Manifold Pressure r_ ___ OF NATURAL 0.62 Orifice No. r_ _. 0.60 Manifold Pressure 0 "o SPECIFIC GRAVITY 0.58 Orifice No. r_ (3 "u AVG GAS HEAT VALUE AT ALTITUDE to 4000 0.58 0.60 0.62 * Orifice numbers 45 shown in BOLD are factory installed Percents of derate are based on midpoints of U.S. altitude ranges 4! 0.64 0,66 TABLE 9--Model 58MXA Orifice Size and Manifold Pressure for Correct Input (Continued) for Use With 040 Through 120 Size Furnaces Only (Tabulated Data Based on 20,000 Btuh per Burner, Derated 2 Percent for Each 1000 ft Above Sea Level)* GAS Manifold Pressure Orifice No Manifold Pressure Orifice No Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure 725 43 37 43 38 42 32 42 3.3 42 3.4 760 43 34 43 35 43 37 43 3.8 42 3.2 775 44 37 44 38 43 34 43 3.5 43 3.7 800 44 35 44 36 44 37 44 3.8 43 3.4 825 44 32 44 34 44 35 44 3.6 44 3.7 860 45 3.7 45 3.8 44 3.3 44 3.4 44 3.5 875 45 3,5 45 3,6 46 3,7 44 3.2 44 3.3 6000 900 45 3,3 45 3,4 46 3,5 45 3,6 45 3.8 9% 925 45 3,1 45 3,2 46 3,3 46 3.4 46 3.6 derate 960 45 3.0 45 3.1 46 3.2 46 3.3 46 3,4 4001 o to ALTITUDE RANGE (Ft) 6001 o to 6000 11% derate 0,68 0.60 0.62 SPECIFIC 0.64 GRAVITY OF NATURAL 0,66 GAS Avg GAS HEAT VALUE AT ALTITUDE (Btu/cu ft) Orifice No Manifold Pressure Orifice No Manifold Pressure Orifice No Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure 700 43 36 43 37 42 32 42 3.3 42 3.4 725 43 34 43 35 43 36 43 3.7 43 3.8 760 44 36 44 37 43 34 43 3.5 43 3.6 775 44 34 44 35 44 36 44 3.7 43 3.4 800 44 32 44 33 44 34 44 3.5 44 3.6 825 45 3.6 45 3.7 44 3.2 44 3.3 44 3.4 860 45 3,4 45 3,5 46 3,6 46 3.8 44 3.2 875 45 3,2 45 3,3 46 3,4 46 3.6 46 3.7 900 45 3,0 45 3,1 46 3,3 46 3.4 46 3.5 925 45 2,9 45 3,0 46 3,1 46 3,2 46 3.3 960 45 2,7 45 2,8 46 2,9 46 3,0 46 3.1 975 45 2,6 45 2,7 46 2,8 46 2.9 46 2.9 1000 45 2.5 45 2.5 46 2.6 46 2.7 46 2.8 0.68 0.60 0,62 SPECIFIC 0.64 GRAVITY OF NATURAL 0.66 GAS Avg GAS HEAT VALUE AT ALTITUDE (Btu/cu ft) Orifice No Manifold Pressure Orifice No Manifold Pressure Orifice No Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure 660 42 32 42 33 42 34 42 3.5 42 3.6 675 43 36 43 37 43 38 42 3.2 42 3.3 700 44 38 43 34 43 36 43 3.7 43 3.8 725 44 36 44 37 44 38 43 3.4 43 3.5 760 44 33 44 34 44 36 44 3.7 44 3.8 775 46 3.8 44 32 44 33 44 3.4 44 3.5 800 45 3.5 45 3.7 46 3.8 44 3.2 44 3.3 7000 825 45 3.3 45 3.4 46 3.6 45 3,7 48 3.8 13% 860 45 3.1 45 3.2 46 3.4 46 3,5 46 3.6 derate 875 45 3.0 45 3.1 46 3.2 46 3,3 46 3,4 ALTITUDE RANGE (Ft) 6001 o 4 OF NATURAL Orifice No (FT) 4 SPECIFIC GRAVITY AVG GAS HEAT VALUE AT ALTITUDE (BTU/CU FT) ALTITUDE RANGE to (Q. * Orifice numbers 0.68 0.60 0,62 45 shown in BOLD are factory installed. Percents of derate are based on midpoints of U.S. Altitude ranges. 42 0.64 0.66 Table 9--Model 58MXA Orifice Size and Manifold Pressure for Correct Input (Continued) For Use with 040 through 120 Size Furnaces Only (Tabulated Data Based on 20,000 Btuh per Burner, Derated 2% for Each 1000 Ft Above Sea Level) * ALTITUDE RANGE (FT) 0.84 0,68 Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure 625 43 3.8 42 3.3 42 3.4 42 3.5 42 3.6 650 43 3.5 43 3.7 43 3.8 42 3.2 42 3.3 675 44 3.8 43 3.4 43 3.5 43 3.6 43 3.7 700 44 3.5 44 3.6 44 3.8 43 3.4 43 3.5 725 44 3.3 44 3.4 44 3.5 44 3.6 44 3.7 750 45 3,7 48 3,8 44 3.3 44 3.4 44 3.5 775 45 3.5 45 3.6 45 3.7 45 3.8 44 3.3 8000 800 45 3.3 45 3.4 45 3.5 45 3.6 45 3.7 15% 825 45 3.1 45 3.2 45 3.3 45 3.4 46 3.5 derate 850 45 2.9 45 3.0 45 3.1 45 3.2 45 3.3 (BTU/CU FT) Avg GAS HEAT VALUE AT ALTITUDE SPECIFIC 0.58 GRAVITY OF NATURAL 0.80 GAS 0,82 0.84 0.68 (Btu/cu ft) Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure 600 43 3.8 42 3.3 42 3.4 42 3.5 42 3.6 625 43 3.5 43 3.6 43 3.8 42 3.2 42 3.3 650 44 3.7 43 3.4 43 3.5 43 3.6 43 3.7 675 44 3.5 44 3.6 44 3.7 44 3.8 43 3.4 700 44 3.2 44 3.3 44 3.4 44 3.6 44 3.7 725 45 3,6 45 3,8 44 3.2 44 3.3 44 3.4 9000 750 45 3.4 45 3.5 45 3.6 45 3.8 44 3.2 17% derate 775 45 3.2 45 3.3 45 3.4 45 3.5 45 3.6 800 45 3.0 45 3.1 45 3.2 45 3.3 45 3.4 8001 O to SPECIFIC GRAVITY OF NATURAL GAS Avg GAS HEAT VALUE AT ALTITUDE (Btu/cu ft) Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure 575 43 3.8 42 3.2 42 3.3 42 3.5 42 3.6 600 43 3.5 43 3.6 43 3.7 42 3.2 42 3.3 625 44 3.7 44 3.8 43 3.5 43 3.6 43 3.7 650 44 3.4 44 3.5 44 3.7 44 3.8 43 3.4 675 48 3,8 44 3.3 44 3.4 44 3.5 44 3.6 700 45 3.6 45 3.7 45 3,8 44 3.3 44 3.4 10,000 725 45 3.3 45 3.4 45 3.6 45 3.7 45 3.8 19% 750 45 3.1 45 3.2 45 3.3 45 3.4 45 3.5 derate 775 45 2.9 45 3.0 45 3.1 45 3.2 45 3.3 ALTITUDE RANGE (ft) 9001 O _ GAS Manifold Pressure ALTITUDE RANGE (Ft) ___ OF NATURAL 0.82 Orifice No. to _ 0.80 Manifold Pressure 7001 ___ SPECIFIC GRAVITY 0.58 Orifice No. O _ AVG GAS HEAT VALUE AT ALTITUDE to Orifice numbers 0.98 0.80 0,82 45 shown in BOLD are factory installed. Percents of derate are based on midpoints of U.S. altitude ranges 43 0.84 0.88 Table 10--Model 58MXA Orifice Size and Manifold Pressure for Correct Input For Use with 140 Size Furnaces Only (Tabulated Data Based on 23,000 Btuh per Burner, Derated 2% for Each 1000 Ft Above Sea Level) * ALTITUDE RANGE (FT) 0.50 OF NATURAL GAS 0.52 0.64 0,66 Mani_ld Pressure Orifice No. Mani_ld Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure 850 41 3.6 4! 3.7 41 3.8 40 3.6 40 3.8 875 42 3.8 4! 3.5 41 3.6 41 3.7 41 3.8 900 42 3.5 42 3.7 42 3.8 41 3.5 41 3.6 925 42 3.4 42 3.5 42 3.6 42 3.7 42 3.8 950 42 3.2 42 3.3 42 3.4 42 3.5 42 3.6 975 43 3.7 43 3.8 42 3.2 42 3.3 42 3.4 1000 43 3.5 43 3.6 43 3.7 42 3.2 42 3.3 1025 43 3.3 43 3.4 43 3.6 43 3.7 43 3,8 1050 43 3.2 43 3.3 43 3.4 43 3,5 43 3.6 0% 1075 44 3.5 44 3.6 43 3.2 43 3,3 43 3.4 derate 1100 44 3.3 44 3.4 44 3.5 43 3.2 43 3,3 O to 2000 D ALTITUDE RANGE (ft) (BTU/CU FT) AVG GAS HEAT VALUE AT ALTITUDE SPECIFIC 0.58 GRAVITY OF NATURAL 0.50 GAS 0.52 0.54 0.65 (Btu/cu if) Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure U,S,A, 775 41 3.7 41 3.8 40 3.6 40 3.7 39 3.6 Altitudes 800 42 3.8 4! 3.6 41 3.7 41 3.8 40 3.6 2001 to 825 42 3.6 42 3.7 41 3.5 41 3.6 41 3.7 3000 or Canada 850 42 3.4 42 3.5 42 3.6 42 3.7 41 3.5 875 42 3.2 42 3.3 42 3.4 42 3.5 42 3.6 Altitudes 900 43 3.7 43 3.8 42 3.2 42 3.3 42 3.4 200t to 925 43 3.5 43 3.6 43 3.7 42 3.2 42 3.3 4500 950 43 3.3 43 3.4 43 3.5 43 3.7 43 3.8 975 43 3.1 43 3.3 43 3.4 43 3,5 43 3.5 5% 1000 43 3.0 43 3.1 43 3.2 43 3,3 43 3,4 derate 1025 43 2.8 43 2.9 43 3.0 43 3,1 43 3,2 SPECIFIC GRAVITY OF NATURAL GAS AVG GAS HEAT VALUE AT ALTITUDE (Btu/cu if) Orifice No. Mani_ld Pressure Orifice No. Mani_ld Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure 750 41 3.6 41 3.8 40 3.6 40 3.7 40 3.8 775 42 3.8 41 3.5 41 3.6 41 3.7 40 3.6 800 42 3.5 42 3.7 42 3.8 41 3.5 41 3.6 825 42 3.3 42 3.4 42 3.6 42 3.7 42 3.8 850 43 3.8 42 3.2 42 3.4 42 3.5 42 3.6 875 43 3.5 43 3.7 42 3.2 42 3.3 42 3.4 900 43 3.4 43 3.5 43 3.6 43 3,8 42 3.2 925 43 3.2 43 3.3 43 3.5 43 3.5 43 3,7 950 43 3.1 43 3.2 43 3.3 43 3,4 43 3.5 7% 975 43 2.9 43 3.0 43 3.1 43 3.2 43 3.3 derate 1000 43 2.8 43 2.9 43 3.0 43 3.0 43 3.1 ALTITUDE RANGE (ft) ___ SPECIFIC GRAVITY 0,58 Orifice No. 0 _ AVG GAS HEAT VALUE AT ALTITUDE 3001 O _ to D 4000 * Orifice numbers 0.58 0.50 0.52 43 shown in BOLD are factory installed. Percents of derate are based on midpoints of U.S. altitude ranges. 44 0.54 0,66 Table 10--Model 58MXA Orifice Size and Manifold Pressure for Correct Input (Continued) for Use With 140 Size Furnaces Only (Tabulated Data Based on 23,000 Btuh per Burner, Derated 2% for Each 1000 Ft Above Sea Level) * GAS 0.64 0,66 Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure 725 41 3.6 4! 3.7 41 3.8 40 3.6 40 3.8 750 42 3.7 42 3.8 41 3.6 41 3.7 41 3.8 775 42 3.5 42 3.6 42 3.7 42 3.8 41 3.6 800 42 3.3 42 3.4 42 3.5 42 3.6 42 3.7 825 43 3.7 42 3.2 42 3.3 42 3.4 42 3.5 850 43 3.5 43 3.6 43 3.8 42 3.2 42 3.3 875 43 3.3 43 3.4 43 3.6 43 3.7 43 3.8 900 43 3.1 43 3.3 43 3.4 43 3.5 43 3.6 9% 925 43 3.0 43 3.1 43 3.2 43 3.3 43 3.4 derate 950 43 2.8 43 2.9 43 3.0 43 3.1 43 3.2 (BTU/CU 5000 FT) SPECIFIC AVG GAS HEAT VALUE AT ALTITUDE ALTITUDE RANGE 0.68 GRAVITY OF NATURAL 0.60 GAS 0,62 0.64 0.66 (Btu/cu ft) Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure 700 41 3.5 41 3.7 41 3.8 40 3.6 40 3.7 725 42 3.7 42 3.8 41 3.5 4! 3.6 41 3.8 750 42 3.4 42 3.5 42 3.7 42 3.8 41 3.5 775 42 3.2 42 3.3 42 3.4 42 3.5 42 3.7 800 43 3.7 43 3.8 42 3.2 42 3.3 42 3.4 825 43 3.6 43 3.6 43 3.7 43 3.8 42 3.2 850 43 3.3 43 3.4 43 3.5 43 3.6 43 3.7 875 43 3.1 43 3.2 43 3.3 43 3.4 43 3.5 900 43 2.9 43 3.0 43 3.1 43 3.2 43 3.3 925 43 2.7 43 2.8 43 2.9 43 3.0 43 3.1 950 43 2.6 43 2.7 43 2.8 43 2.9 43 3.0 11% 975 43 2.5 43 2.6 43 2.6 43 2.7 43 2.8 derate 1000 43 2.3 43 2.4 43 2.5 43 2.6 43 2.7 (ft) 5001 O to 6000 SPECIFIC GRAVITY OF NATURAL GAS AVG GAS HEAT VALUE AT ALTITUDE (Btu/cu ft) Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure Orifice No. Manifold Pressure 650 41 3.8 40 3.6 40 3.7 40 3.8 39 3.7 675 41 3.5 41 3.6 41 3.7 40 3.6 40 3.7 700 42 3.6 42 3.7 41 3.5 41 3.6 41 3.7 725 42 3.4 42 3.5 42 3.6 42 3.7 42 3.8 750 43 3.8 42 3.3 42 3.4 42 3.5 42 3.6 775 43 3.6 43 3.7 43 3.8 42 3.3 42 3.4 800 43 3.4 43 3.5 43 3.6 43 3.7 43 3.8 825 43 3.2 43 3.3 43 3.4 43 3.5 43 3.6 13% 850 43 3.0 43 3.1 43 3.2 43 3.3 43 3.4 derate 875 43 2.8 43 2.9 43 3.0 43 3.1 43 3.2 ALTITUDE RANGE (ft) 6001 to u_ :5 OF NATURAL 0.62 Orifice No. to O 0.60 Manifold Pressure O >, 0.68 Orifice No. 4001 (,3 :5 SPECIFIC GRAVITY AVG GAS HEAT VALUE AT ALTITUDE ALTITUDE RANGE (FT) 7000 0.68 0.60 0,62 0.64 0.66 * Orifice numbers 43 shown in BOLD are factory installed Percents of derate are based on midpoints NOTE: This furnace has been of U.S. altitude ranges approved for a manilbld of 3.2 in. wc to 3.8 in. wc when installed For altitudes above 2000 ft, the manifold from 2.0 in. wc to 3.8 in. wc. If manifold range, change burner orifices to obtain pressure at altitudes up to 2000 ft. pressure can be adjusted pressure pressure is outside bottom-out gas valve This can result in unregulated excess NOTE: been overfire and heat exchanger If orifice hole appears re&illed, check orifice regulator manifold with screw. and result in Never re&ill an orifice. hole is essential A burr-free for proper flame and squarely characteristics. re&ill orifices. round holes, misdirection etc.) can of bumer impingement of burners Improper &illing (burrs, out-of- cause excessive burner noise and flames. This can result in flame and heat exchangers causing failures. (See Fig. 58.) e. Replace gas valve regulator adjustment screw seal cap. or it is suspected a numbered orifice DO NOT fuilures. damaged hole adjusting pressure size. aligned this in this range. r:l ['_=ii[']'_ DO NOT con'ect &ill to have f. Replace burner enclosure front and verify adjusted input rate using method outlined in item 3. bit of 45 gas BURNER FLAME "_ f- BURNER - BURNER J ORIFICE MANIFOLD J A89020 A93059 Fig. 58--Orifice Fig. 59--Burner Holes Flame CANADA g. Look through sight flame. Burner burner transparent. h. Remove 3. Verify NOTE: pipes, Be sure and burner in burner flame enclosure should and check be clear blue, At almost from R and W. pressure tubing, must altitudes between be derated 2001 5 percent to 4500 It, this by an authorized nmltiplier gas meter. combustion-air and box cover front are in place when checking vent factor. Table 11-Altitude Derate Multipler for U.S.A. input ALTITUDE (FT) 0-2000 PERCENT OF DERATE 0 DERATE MULTIPLIER FACTOR* 2001-3000 4-6 0.95 100,000 Btuh input furnace installed at 4300 ft. 3001-4000 6-8 0.93 Derate Furnace Input Rate 4001-5000 8-10 0.91 Multiplier Factor at Installation Altitude 5001-6000 10-I2 0.89 6001-7000 12-14 0.87 0.91 91,000 7001-8000 14-16 0.85 8001-9000 16-18 0.83 9001-10,000 18-20 0.81 by clocking gas meter. EXAMPLE: Furnace Input Rate at Sea Level X 100,000 X a. Calculate UNITED At altitudes high-altitude STATES above for a 2 percent Table adjustment ft, this furnace derate for each 11 for derate (if required). nmltiplier 1.00 factors are based on midpoint altitude for altitude range * Derate multiplier 2000 Gas Conversion Station or Dealer. To determine correct input rate for altitude, see example above and use 0.95 as derate gas input rate by clocking all installation furnace (See Fig. 59.) jumper natural glass has been approved 1000 f't above sea level. See b. Reinstall factor. burner c. Gas valve d. Turn f. Measure time revolution. to Table h. Multiply 46 seal cap MUST off all other gas applications e. Start furnace g. Refer box cover. regulator and let operate natural utility supplier. and pilots. for 3 minutes. (in sec) for gas meter 12 for cuft gas rate using be on. 1 of gas per hr. (cu ft&r) gas to dial to complete heating X heating value value (Btuicu fi'om local ft) gas EXAMPLE: Furuace (0-2000 Btu heating input this 103 X 975 the adjustment Btuh. 70 sec 12) 100,425 orifice size is within Btuh. and manifold ±2 percent of the input rate. SET TEMPERATURE RISE V.,l[_ Temperature rise must rating plate. Recommended range or slightly above. result in primary and secondary Determine i. and adjust Place as possible. exchangers practice 2. When Failure from perature to follow on furnace heat exchanger thermometers readings supply-air stabilize, temperature temperature blower speed rise by adjusting to reduce to increase Failure 115-v electrical to follow 4. To change remove blower blower power motor motor speed Follow procedure for proper OFF DELAY (HEAT speed ADJUST this same The blower offdelay sec. (See Table the furuace pins has 4 adjustable 14.) The blower control 225 212 450 424 1125 1059 56 57 64 63 129 126 321 316 18 200 400 1000 58 62 124 310 19 188 379 947 59 61 122 305 20 21 180 171 360 343 900 857 60 62 60 58 120 116 300 290 273 106 103 265 257 26 138 277 692 72 50 100 250 to 27 28 133 129 267 257 667 643 74 76 48 47 97 95 243 237 see heat 29 124 248 621 78 46 82 231 This 30 120 240 600 80 45 90 225 tem- 31 32 116 113 232 225 581 563 82 84 44 43 88 86 220 214 air tem- 33 109 218 545 86 42 84 209 34 106 212 529 88 41 82 205 35 36 103 100 206 200 514 500 90 92 40 39 80 78 200 196 37 97 185 486 94 38 76 192 38 95 189 474 96 38 75 188 39 40 92 90 185 180 462 450 98 100 37 36 74 72 184 180 41 88 176 439 102 35 71 178 42 43 86 84 172 167 429 419 104 106 35 34 69 68 173 170 mode, 44 82 164 409 108 33 67 167 (See 45 46 80 78 160 157 400 391 110 112 33 32 65 64 164 161 47 76 153 383 116 31 62 155 48 75 150 375 120 30 60 150 49 73 147 367 124 28 58 145 il_jury. terminal. lead on of COOL fi'om 90 sec to 180 off delay jumpers blower off delay. are located the blower Factory COLOR on off delay using 120 HEAT Yellow (When Present) Blue off thermostat, be set to match in R-W circuit. obtained at thermostat illustrates the easy method 150 180 Cool Spare Heat Red Low Fan White Common COM Accurate subbase the the amp &aw amp draw terminals of obtaining R themmstat heat should Connect ammeter thermostat anticipator should current. 60 actual amp &aw. The amp 47 has no subbase, and for varying thermostat, instructions heating cycle and fumace in Fig. NOT be in the curcuit manufacturer's thermostat For an electronic can be has started as shown See readings Fig. motor from R and W wires during anticipator W. If thermostat wires be disconnected of the electrical and be taken after blower is heating. suring ANTICIPATOR a nonelectronic must High Medium High Medium Low Black to the blower FACTORYSHIPPED CONNECTION SPEED Off Delay Jumper Positions 90 SET THERMOSTAT Selector Table 13_Speed MODE) reading Time (in sec) components 327 16 17 is 120 sec. Table 14_Blower anticipator 333 131 53 51 from one set of pins on the control for the desired delay setting When 133 65 68 70 original settings (See Fig. 31). To change move the jumper used 67 55 selection. BLOWER setting, 54 1200 750 720 speed tap. selection 1286 480 300 288 for heating Reconnect 514 240 150 144 Fig. 31.) Select desired blower motor speed lead from 1 of the other motor leads and relocate it to HEAT terminal. See Table identification. 257 15 24 25 blower 13 for lead color SPARE terminal. 14 may Decrease HEAT 346 340 281 rise. selections 138 136 109 Increase lead from control 69 68 112 ducts. in personal 52 53 54 returu-air changing 1500 1385 56 speed. before 600 555 66 blower could result 300 277 64 rise. this warning 12 13 783 ¥:_ "EY!3;_II_r3 Disconnect 360 355 818 to determine temperature temperature 144 141 313 rise. 3. Adjust 72 71 327 do not subtract 50 51 157 as close with straight-run 1800 1636 164 heat does not affect readings. important 720 655 23 rise as follows: Be sure 360 327 22 failure. ducts 10 11 of rise this caution and supply so that radiant thermometer specified is at midpoint in return is particularly perature limits operation air temperature thermometers furuace speed be within Rate (cu ft/hr) SECONDS SIZE OF TEST DIAL SECONDS SIZE OF TEST DIAL FOR 1 1 2 5 FOR 1 1 2 5 REVOLUTION Cu Ft Cu Ft Cu Ft REVOLUTION Cu Ft Cu Ft Cu Ft ft X cu ft.hr 975 Bmicu ft of 2-cu ft dial input example, pressure furuace is 100,000 103 cu ft&r (fi'om Table Btu heating In plate Btuicu Heating value of gas Time for 1 revolution Gas rate Table 12--Gas ft altitude) input from rating 60. while the thermostat current for The meamust measurement. adjusting heat length. set cycle rate for 3 cycles per hour. limit is functioning properly and operates if there is a restricted return-air duct or motor failure. If limit control does not function SUBBASE TERMINALS WiTH THERMOSTATREMOVED during this test, cause CHECK must be determined PRESSURE This control proves operation as follows: operation i. Turn off 115-v power 2. Remove outer and con'ected. SWITCH of draft inducer. Check switch inducer motor 1 minute. When to furnace. furnace door and disconnect from wire harness. 5 0 AMPS ON AMMETER /0 TURNS AROUND power to "call = 0 5 AMPS FOR THERMOSTAT SETTING JAWS Step 5--Check This section the is complete. switch were all checked as part of normal CHECK This control circulating method 5 minutes. opening using blower air after sensor, in the Start-up before gas valve, procedure Step and control if furnace this limit control furnace this method be unblocked to check and overheats. energizes for a period has shut offburners, to permit limit control, normal air- Recommended is to gradually has been operating As soon as limit control should system motor and wait 31. If hot block surfiace shut power inducer off of at least igniter furnace switch it can be established By that inducer De- properly and to furnace. motor leads, reinstall main furnace door, supply. tools and instruments. flame-rollout manual Clean up debris. reset switch 3. Verity that blower installed. and main outer 4. Cycle test furnace with room themmstat. 5. Check tions. operation of accessories per 6. Review User's 7. Leave 48 when immediately. did not function return-air air circulation. glows down 6--Checklist i. Put away section CONTROL off gas of checking return that must be checked flame 2. Verify LIMIT shuts is disconnected, and turn on 115-v power operation. PRIMARY (?ode motor 6. Reconnect controls The Stares 5. Turn off l15-v Controls covers the safety installation pressure Draw Check with Ammeter Safety for heat" termine reason pressure correct condition. A80201 Fig. 60--Amp to furnace. pressure switch is functioning properly, hot surfiace igniter should NOT glow, and control status code LED flashes a 24-VOLT BLOCK TERMINAL EXAMPLE 3. Turn on l15-v 4. Set thermostat literature Guide with packet owner. near furnace. access has continuity. doors manufacturer's are properly instruc- CHECKLIST--INSTALLATION LOAD CALCULATION Condensate Heating Load (Btuh) Drain Unit Level or Pitched Forward Internal Tubing Connections of Kinks and Traps Cooling Load (Btuh) External Drain Connection Tight and Sloped Furnace Model Selection Condensate COMBUSTION AND VENT PIPING Termination Location Trap Primed before Start-Up CHECKLIST--START-UP Gas Input Rate (Set Within 2 percent of Rating Plate) Termination Kit -- 2 Pipe or Concentric Combustion-Air Pipe Length Temperature Rise Adjusted Elbow Quantity Vent Pipe Length Thermostat Vent Pipe Elbow Quantity Anticipator Anticipator Pipe Diameter Determined from Sizing Table Setting Adjusted or Cycle Rate (3 Cycles per Hr) Selected Pipe Sloped to Furnace Pipe Insulation Safety Controls Check Operation Over Ceilings Low-Ambient Leak Heat Tape Installed if Required Roof or Sidewall Combustion-Air Free Primary Limit Pressure Switch Exposed Pipes 49 50 51 Copyright 2003 CARRIER Manufacturer Book_ 1_ 4 Tab 16al 8a Corp. • 7310 W. Morris St ° Indianapolis, reserves the right to discontinue, PC 101 Catalog No 535-80090 IN 46231 58mxa14si or change at any time, specifications Printed in U.S.A. Form or designs 58MXA-14SI without notice and without Pg 52 3-03 incurring obligations. Replaces: 58MXA-13SI
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