Carrier 59SC2B Installation, Start-Up, Operating And Service And Maintenance Instructions Download Page 53

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Attach gaskets to vent pipe and
combustion air adapters.

Vent Coupling and Adapter

A13074

Fig. 39 -- Vent Coupling and Adapter with Gaskets

PSC INDUCER ASSEMBLY

INDUCER OUTLET

VENT ELBOW CLAMP
TORQUE 15 LB-IN.

VENT PIPE CLAMP
TORQUE 15 LB-IN.

VENT ELBOW

INDUCER OUTLET CHOKE
40,000 BTUH MODELS WITH
10 FT. (3.1 M) OF VENT OR LESS

A14277

Fig. 40 -- Inducer Vent Elbow

Avoid short horizontal offsets with 90
deg. Elbows. Short offsets can be
difficult to slope and may trap con-
densate.

Use 45 deg. Elbows where
possible, to ensure conden-
sate drainage.

Slope vent pipe back to the
furnace at least ¼” per foot

A14546

Fig. 41 -- Near Furnace Vent Connections

59SC

Summary of Contents for 59SC2B

Page 1: ...p 64 Adjustments 65 SERVICE AND MAINTENANCE PROCEDURES 73 Cleaning Heat Exchangers 78 SEQUENCE OF OPERATION 82 PARTS REPLACEMENT GUIDE 86 TABLES Loose Parts Bag 5 Minimum Clearances to Combustible Materials 5 Minimum Free Area Required 11 Minimum Space Volumes 11 Filter Size Information 25 Opening Dimensions 27 Air Delivery CFM 33 Maximum Capacity of Pipe 35 Electrical Data 37 Vent Termination Kit...

Page 2: ...aust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS 4 INSPECTION The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation unless upon inspection the inspector observe...

Page 3: ...nal injury Sheet metal parts may have sharp edges or burrs Use care and wear appropriate protective clothing safety glasses and gloves when handling parts and servicing furnaces CAUTION This is the safety alert symbol When you see this symbol on the furnace and in instructions or manuals be alert to the potential for personal injury Understand the signal words DANGER WARNING and CAUTION These word...

Page 4: ...nes is considered faulty installation and or misapplication of the furnace and resulting failure damage or repairs may impact warranty coverage For accessory installation details refer to the applicable instruction literature NOTE Remove all shipping materials loose parts bag and literature before operating the furnace See Table 1 CODES AND STANDARDS Follow all national and local codes and standar...

Page 5: ...of the furnace again before touching control or wires 5 Use this procedure for installed and uninstalled ungroun ded furnaces 6 Before removing a new control from its container discharge your body s electrostatic charge to ground to protect the control from damage If the control is to be installed in a furnace follow items 1 through 4 before bringing the con trol or yourself in contact with the fu...

Page 6: ... 2 POWER CONN AIR FLOW SEE NOTE 3 NOTES 1 Doors may vary by model 2 Minimum return air openings at furnace based on metal duct If flex duct is used see flex duct manufacturer s recommendations for equivalent diameters a For 800 CFM 16 in 406 mm round or 14 1 2 x 12 in 368 x 305 mm rectangle b For 1200 CFM 20 in 508 mm round or 14 1 2 x 19 1 2 in 368 x 495 mm rectangle c For 1600 CFM 22 in 559 mm r...

Page 7: ...DITIONED AIR IS DISCHARGED DOWNWARD THE BLOWER IS LOCATED TO THE LEFT OF THE BURNER SECTION AND CONDITIONED AIR IS DISCHARGED TO THE RIGHT A12181 Fig 2 Multipoise Orientations 60 80 27 C 16 C SUPPLY AIR A10490 Fig 3 Freeze Protection and Return Air Temperature BACK POSITIONED DOWNWARD AIR RETURN CUT IN BACK BACK POSITIONED UPWARD A12182 Fig 4 Prohibited Installations 18 IN 457 2 mm MINIMUM TO BURN...

Page 8: ...system Refer to Air Ducts section S be provided ample space for servicing and cleaning Always comply with minimum fire protection clearances shown in Table 2 or on the furnace clearance to combustible construction label CARBON MONOXIDE POISONING COMPONENT DAMAGE HAZARD Failure to follow this warning could result in personal injury or death and unit component damage Corrosive or contaminated air ma...

Page 9: ...ns for adequate combustion ventilation and dilution air must be provided in accordance with S U S A Installations Section 9 3 of the NFPA 54 ANSI Z223 1 2012 Air for Combustion and Ventilation and applicable provisions of the local building codes S Canada Part 8 of the CAN CSA B149 1 2010 Venting Systems and Air Supply for Appliances FURNACE CORROSION HAZARD Failure to follow this caution may resu...

Page 10: ...oms can be considered part of a space if a There are no closeable doors between rooms b Combining spaces on same floor level Each opening shall havefreeareaofat least1 in 2 1 000Btuh 2 000mm2 kW of the total input rating of all gas appliances in the space but not less than 100 in 2 0 06 m2 One opening shall commence within 12 in 300 mm of the ceiling and the second opening shall commence within 12...

Page 11: ...tical Ducts or Openings 60 000 40 000 100 000 divided by 3 000 33 3 Sq In for each Single Duct or Opening 80 000 30 000 110 000 divided by 2 000 55 0 Sq In for each two Horizontal Ducts Table 4 Minimum Space Volumes for 100 Combustion Ventilation and Dilution Air from Outdoors OTHER THAN FAN ASSISTED TOTAL 1 000 S BTUH GAS INPUT RATE FAN ASSISTED TOTAL 1 000 S BTUH GAS INPUT RATE ACH 30 40 50 40 6...

Page 12: ... B C D D E F G L12F012 Fig 6 Air for Combustion Ventilation and Dilution for Outdoors Minimum opening size is 100 sq in 64516 sq mm with minimum dimensions of 3 in 76mm Minimum of 3 in 76mm when type B1 vent is used L12F013 Fig 7 Air for Combustion Ventilation and Dilution from Indoors 59SC2C ...

Page 13: ...g 10 and 11 A field supplied accessory Horizontal Installation Kit trap grommet is required for all direct vent horizontal installations only The kit contains a rubber casing grommet designed to seal between the furnace casing and the condensate trap See Fig 17 The field supplied accessory horizontal drain trap grommet is ONLY REQUIRED FOR DIRECT VENT APPLICATIONS It it NOT required for applicatio...

Page 14: ... ports of the collector box Connect relief tube to port on collector box Rotate elbow to desired position and tighten clamp to 15 lb ïin Slide tube in standïoffs to adjust length Connect the new pressure switch tube from Loose Parts bag to port on front pressure switch Route tube through inducer standïoffs to adjust position of the tube Trim excess tube Connect pressure switch tube to port on coll...

Page 15: ...on Attach condensate trap with screw to collector box Slide relief tube in standïoffs to adjust length Vent elbow shown in alternate orientation Tighten clamp on inlet to vent elbow 15 lb ïin Align trap over middle and rightïhand port on collector box NOTE Remove knockout in casing before reïinstalling the condensate trap Install plug on open port of collector box Horizontal Right Trap Configurati...

Page 16: ...osition and torque clamp on inlet 15 lb in Slide relief tube in stand offs to adjust length Attach condensate trap with screw to collector box Align trap over middle and right hand port on collector box Install two plugs previously removed in open ports on collector box Connect relief tube to port on collector box Connect the new pressure switch tube from Loose Parts bag to port on front pressure ...

Page 17: ...iped together and b There is an air gap at the point where the two drain lines meet or c All condensate piping is at least 3 4 in PVC and there is a relief tee at the top of condensate drain piping as shown in Fig 14 NOTE On narrower casings it may be easier to remove the condensate trap connect the drain line components and re install the condensate trap Read the steps thoroughly to familiarize y...

Page 18: ...in trap grommet is ONLY REQUIRED FOR DIRECT VENT APPLICATIONS It is NOT required for applications using single pipe or ventilated combustion air venting NOTICE TIP FROM CONTRACTORS When installing the furnace horizontally use the entire drain elbow that is do NOT cut as shown in Fig 16 to connect the trap to the drain line This helps to prevent bumps and shocks to the drain line from damaging the ...

Page 19: ...e DIRECTION OF AIRFLOW Condensing Furnace Evaporator Coil Blower 3 4 PVC 1 2 3 4 1 2 CPVC or larger Positive pressure Pressure lower than areas with Negative pressure 3 4 PVC DIRECTION OF AIRFLOW 1 2 3 4 3 4 3 4 Open standpipe 3 4 Condensing Furnace Evaporator Coil Blower 3 4 PVC 3 4 1 2 CPVC or larger Positive pressure Pressure lower than areas with Negative pressure 3 4 PVC DIRECTION OF AIRFLOW ...

Page 20: ...il Blower 3 4 PVC 3 4 3 4 3 4 3 4 Positive pressure Pressure lower than areas with Negative pressure 3 4 PVC DIRECTION OF AIRFLOW 3 4 Open standpipe Air gap required when another drain is connected to furnace drain TEE 1 2 CPVC to 3 4 PVC adapter from loose parts bag Condensing Furnace Evaporator Coil Blower 3 4 PVC 3 4 3 4 3 4 3 4 3 4 3 4 Positive pressure Pressure lower than areas with Negative ...

Page 21: ...irect vent applications A11582 Fig 17 Horizontal Drain Trap Grommet s TRAP DRAIN ELBOW WITH DISCHARGE PIPE Attach elbow to condensate trap Cut formed end off condensate drain elbow Connect short end of Z pipe to modified drain elbow Factory supplied 1 2ïin CPVC to 3 4ïin PVC adapter LEFT SIDE DRAIN ROUTED BEHIND INDUCER Formed end of grommet Open spring clamp Insert 1 2ïin to 3 4ïin CPVC to PVC ad...

Page 22: ...Desired In upflow position with side return inlet s leveling legs may be used See Fig 23 Install field supplied 5 16 x 1 1 2 in 8 x 38 mm max corrosion resistant machine bolts washers and nuts NOTE Bottom closure must be used when leveling legs are used It may be necessary to remove and reinstall bottom closure panel to install leveling legs To remove bottom closure panel see Item 1 in Bottom Retu...

Page 23: ...m piece of sheet metal for flame roll out protection in front of burner area for furnaces closer than 12 in 305 mm above the combustible deck or suspended furnaces closer than 12 in 305 mm to joists The sheet metal MUST extend underneath the furnace casing by 1 in 25 mm with the door removed The bottom closure panel on furnaces of widths 17 1 2 in 445 mm and larger may be used for flame roll out p...

Page 24: ... airflow versus Airflow for a variety of filter media types and sizes These are representative numbers Consult the filter or IAQ device manufacturers specification sheet for performance data for a particular filter media or IAQ device Design the filter and associated ductwork for the best match of pressure drop versus filter size Best practice usually chooses filter systems with pressure drops und...

Page 25: ...51 0 31 79 1600 755 0 08 19 0 15 38 0 16 40 0 24 61 1800 850 0 08 21 0 18 47 0 18 47 0 29 73 2000 944 0 09 23 0 22 56 0 21 54 2200 1038 0 09 24 0 26 66 0 25 62 25 x 25 Filter 635 x 635 mm Factory Accessory Washable Factory Accessory Media Representative After Market Filter Media Fiberglass Pleated CFM L s 1 in 2 5 cm 4 in 10 cm 1 in 2 5 cm 2 in 5 cm 1 in 2 5 cm 2 in 5 cm 800 378 0 03 9 0 03 8 0 05...

Page 26: ...25 x 3 4 508 x 635 x 19 Washable 24 1 2 622 16 x 25 x 3 4 406 x 635 x 19 24 x 25 x 3 4 610 x 635 x 19 Washable Recommended to maintain air filter face velocity See Product Data for part number Not all families have these models TABS FILTER FRAME FILTER FIELD SUPPLIED DOOR FURNACE OPENING TABS TYP 3 4 OPENING 14 1 2 16 1 8 23 8 1 2 3 8 11 4 11 4 25 1 8 17 1 8 23 1 8 32 mm 10 mm 13 mm 60 mm 19 mm 41...

Page 27: ...2 419 19 5 8 498 Downflow applications on combustible flooring KGASB sub base required 15 1 8 384 19 483 16 3 4 425 20 5 8 600 Downflow Applications on Combustible Flooring with CNPV CNRV CAR or CAP Coil Assembly or KCAKC coil box KGASB subbase not required 15 1 2 394 19 483 16 1 2 419 20 508 21 533 Upflow Applications on Combustible or Noncombustible Floor ing KGASB subbase not required 19 1 2 49...

Page 28: ...t Flanges 1 3 4 1 3 4 1 3 4 1 3 4 5 16 5 16 5 16 5 16 44mm 8mm 44mm 8mm 8mm 8mm 44mm 44mm A89014 Fig 23 Leveling Legs BOTTOMPLATE BOTTOM CLOSURE PANEL A11092 Fig 24 Removing Bottom Closure Panel LEVEL 0 IN 0 MM TO 1 2 IN 13 MM MAX UPFLOW OR DOWNFLOW HORIZONTAL MIN 1 4 IN 6 MM TO 1 2 IN 13 MM MAX A11237 Fig 25 Furnace Pitch Requirements 59SC2C ...

Page 29: ...g 26 Upflow Return Air Configurations and Restrictions A11037 Fig 27 Downflow Return Air Configurations and Restrictions HORIZONTAL TOP RETURN NOT PERMITTED FOR ANY MODEL A11038 Fig 28 Horizontal Right Return Air Configurations and Restrictions 59SC2C ...

Page 30: ...N OF 1 2 40 000 14 3 16 YES YES NO YES 17 1 2 YES YES NO YES 60 000 14 3 16 YES YES NO YES 17 1 2 YES NO NO YES 80 000 17 1 2 YES YES NO YES 21 YES YES NO YES 100 000 21 YES YES NO YES 120 000 24 1 2 YES YES NO YES INPUT CASING WIDTH INCHES HORIZONTAL RIGHT RETURN AIR CONNTECIONS CONNECTION AT 1 ONLY CONNECTION AT 2 ONLY CONNECTION AT 3 ONLY COMBINATION OF 1 2 40 000 14 3 16 YES YES NO YES 17 1 2 ...

Page 31: ...ig 30 Working Platform for Attic Installation NOTE Local codes may require a drain pan and condensate trap when a condensing furnace is installed over a finished ceiling 2 IN 51 mm COMBUSTION AIR PIPE SEE VENTING SECTION A11155 Fig 31 Suspended Furnace Installation NOTE Local codes may require a drain pan and condensate trap when a condensing furnace is installed over a finished ceiling 59SC2C ...

Page 32: ...ections to furnace with code approved tape or duct sealer NOTE Flexible connections should be used between ductwork and furnace to prevent transmission of vibration Ductwork passing through unconditioned space should be insulated to enhance system performance When air conditioning is used a vapor barrier is recommended Maintain a 1 in 25 mm clearance from combustible materials to supply air ductwo...

Page 33: ...ge 3 5 397 1485 1470 1455 1430 1390 1340 1280 1205 1120 1035 Blue 3 2 5 426 1120 1110 1100 1090 1065 1035 990 935 870 805 Red 3 2 0 433 940 920 910 890 865 830 790 745 690 625 100 16 SIDE BOTTOM Black 4 0 373 1715 1660 1610 1555 1490 1420 1340 1245 1150 1065 Yellow 3 3 5 379 1535 1480 1435 1380 1325 1260 1180 1095 1010 910 Blue 3 3 0 367 1300 1255 1205 1160 1100 1035 970 905 810 730 Red 3 2 0 445 ...

Page 34: ...new listed connector Do not use a connector which has previously served another gas appliance Black iron pipe shall be installed at the furnace gas control valve and extend a minimum of 2 in 51 mm outside the furnace WARNING FURNACE DAMAGE HAZARD Failure to follow this caution may result in furnace damage Connect gas pipe to furnace using a backup wrench to avoid damaging gas controls and burner m...

Page 35: ...r servicing WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death Blower door switch opens 115 v power to control No component operation can occur Do not bypass or close switch with blower door removed WARNING See Fig 37 for field wiring diagram showing typical field 115 v wiring Check all factory and field electrical connections for tightness Fiel...

Page 36: ...ing bracket against the inside of the casing and secure the mounting bracket with the screws See Fig 34 Electrical Box on Furnace Casing Side NOTE Check that duct on side of furnace will not interfere with installed electrical box 1 Fasten a field supplied external electrical box to the outside of the casing by driving two field supplied screws from in side electrical box into casing See Fig 35 2 ...

Page 37: ... If the humidifier has its own 24 VAC power supply an isolation relay may be required Connect the 24 VAC coil of the isolation relay to the HUM and COM 24V screw terminal on the control board thermostat strip See Fig 36 Alternate Power Supplies This furnace is designed to operate on utility generated power which has a smooth sinusoidal waveform If the furnace is to be operated on a generator or ot...

Page 38: ...38 A12226 Fig 34 Installing J Box When Used COPPER WIRE ONLY ELECTRIC DISCONNECT SWITCH ALUMINUM WIRE GROUND NEUTRAL LINE VOLTAGE A11146 Fig 35 Field Supplied Electrical Box on Furnace Casing 59SC2C ...

Page 39: ...NECT CONDENSING UNIT TWO WIRE FURNACE C O N T R O L R G COM W C R G Y GND GND FIELD 24 V WIRING FIELD 115 208 230 460 V WIRING FACTORY 24 V WIRING FACTORY 115 V WIRING 208 230 OR 460 V THREE PHASE 208 230 V SINGLE PHASE BLOWER DOOR SWITCH WHT BLK WHT BLK NOTES Connect Y terminal in furnace as shown for proper blower operation Some thermostats require a C terminal connection as shown If any of the ...

Page 40: ...EUTRAL CONNECTIONS COOL HEAT SPARE 1 SPARE 2 BLOWER SPEED SELECTION TERMINALS EAC 1 TERMINAL 115 VAC 1 0 AMP MAX 115 VAC L1 LINE VOLTAGE CONNECTION PL2 HOT SURFACE IGNITER INDUCER MOTOR CONNECTOR PL1 LOW VOLTAGE MAIN HARNESS CONNECTOR TRANSFORMER 24 VAC CONNECTIONS HUMIDIFIER TERMINAL 24 VAC 0 5 AMP MAX TWINNING AND OR COMPONENT TEST TERMINAL BLOWER OFF DELAY J2 J2 JUMPER PLT PL1 SPARE 3 SPARE 3 1...

Page 41: ...s system must be UL listed material Acceptability under Canadian standard CAN CSA B149 is dependent upon full compliance with all installation instructions Under this standard it is recommended that the vent system be checked once a year by qualified service personnel The authority having jurisdiction gas inspection authority municipal building department fire department etc should be consulted be...

Page 42: ...e system or Fig 53 for single pipe or ventilated combustion air option A furnace shall not be connected to a chimney flue serving a separate appliance designed to burn solid fuel Other gas appliances with their own venting system may also use the abandoned chimney as a raceway providing it is permitted by local code the current edition of the National Fuel Gas Code and the vent or liner manufactur...

Page 43: ...ll as allow for sound attenuation To aid sound attenuation point the inlet air pipe away from occupants An extra elbow and or five feet of pipe may be used to accomplish the sound attenuation function OPTIONAL VENTING BELOW THE FURNACE The venting system may be positioned below the furnace ONLY IF the factory accessory External Vent Trap Kit is used The External Vent Trap Kit is only approved for ...

Page 44: ...anadian Installations Part 8 of CAN CSA B149 1 10 Venting Systems and Air Supply for Appliances and all authorities having jurisdiction WARNING Ventilated Combustion Air The vent pipe for a Ventilated Combustion Air System must terminate outdoors See Fig 51 for references to vent clearances required by National code authorities Allowable vent terminations are shown in Fig 53 The combustion air pip...

Page 45: ...e on the side of the casing See Fig 57 In any configuration it will be necessary to add the equivalent length of the tee 15 feet 5 M to the Total Equivalent Vent Length of the venting system ADDITIONAL INFORMATION FOR POLYPROPYLENE VENTING SYSTEMS Polypropylene venting systems include flexible vent pipe These flexible vent pipes have a different equivalent vent length than straight sections of PVC...

Page 46: ...ctions Offsets in the vertical portion of the vent pipe should be made with 45 deg elbows instead of 90 deg elbows Short horizontal runs of vent pipe are difficult to pitch correctly and may trap water in the vent pipe See Fig 41 Trapped water in the vent pipe may result in nuisance pressure switch tripping Install the Vent and Combustion Air Pipes With the furnace installed in the required positi...

Page 47: ...hall be supported to prevent sagging Space combustion air piping and vent piping hangars as shown in the table below Support pipes using perforated metal hanging strap or commercially available hangars or straps designed to support plastic pipe Hangar Spacing Material Pipe Diameter 1 in 38 mm 2 in 51 mm 2 in 64 mm 3 in 76 mm 4 in 102 mm PVC Sch 40 36 in 914 mm 42 in 1067 mm 48 in 1219mm CPVC 36 in...

Page 48: ...g 52 and 53 and all clearance shown in Fig 50 and 51 RECOMMENDED SUPPORT FOR VENT TERMINATIONS It is recommended that rooftop vent terminations in excess of 36 inches 1 M in vertical length be supported by EITHER the Direct Vent Termination Kit shown in Table 13 or by field supplied brackets or supports fastened to the structure NOTICE Cut the required number of holes in the roof or sidewall for v...

Page 49: ...ay result in flame disturbance or flame sense lockout To install the outlet restrictor 1 Remove the vent elbow from the inducer outlet 2 Align the lock tabs on the outlet restrictor with the slots on inside outlet of the inducer assembly 3 Snap the outlet restrictor in place 4 Re install the vent elbow 5 Torque vent elbow clamp 15 lb in Table 14 Approved Combustion Air and Vent Pipe Fitting and Ce...

Page 50: ...gn Temp C Unit Size 40 000 BTUH 60 000 BTUH Uninsulated 3 8 in Insulation 1 2 in Insulation Uninsulated 3 8 in Insulation 1 2 in Insulation Pipe Dia mm 38 51 64 38 51 64 38 51 64 38 51 64 76 38 51 64 76 38 51 64 76 7 6 1 6 1 6 1 6 1 15 2 13 7 6 1 18 3 15 2 6 1 9 1 9 1 7 6 6 1 22 9 19 8 18 3 6 1 25 9 22 9 19 8 18 3 0 1 5 1 5 6 1 7 6 6 1 6 1 9 1 7 6 4 6 4 6 3 0 3 0 6 1 12 2 9 1 7 6 6 1 13 7 12 2 9 1...

Page 51: ...nit Size 40 000 Outlet choke required under 10 ft TEVL 60 000 80 000 100 000 120 000 140 000 Altitude meters Pipe Dia mm 38 51 64 38 5 64 76 38 51 64 76 102 51 64 76 102 64 76 102 64 76 102 0 610 6 26 57 6 5 31 54 61 2 16 40 54 61 6 25 54 61 3 23 57 1 5 21 48 611 914 4 5 24 53 29 51 57 3 15 38 51 57 5 23 51 57 21 54 N A 18 42 915 1219 22 49 5 27 48 54 36 48 53 48 54 1 5 20 51 36 1220 1370 3 20 47 ...

Page 52: ...2 Meters of PVC ABS pipe VERIFY FROM VENT MANUFACTURER S INSTRUCTIONS Can this application use 60 mm O D polypropylene vent piping If not what size piping can be used Measure the required linear length of air inlet and vent pipe insert the longest of the two here 100 ft Use length of the longer of the vent or air inlet piping system Add equiv length of 3 90º long radius elbows use the highest numb...

Page 53: ...AMP TORQUE 15 LB IN VENT ELBOW INDUCER OUTLET CHOKE 40 000 BTUH MODELS WITH 10 FT 3 1 M OF VENT OR LESS A14277 Fig 40 Inducer Vent Elbow Avoid short horizontal offsets with 90 deg Elbows Short offsets can be difficult to slope and may trap con densate Use 45 deg Elbows where possible to ensure conden sate drainage Slope vent pipe back to the furnace at least per foot A14546 Fig 41 Near Furnace Ven...

Page 54: ...IPE DIAMETER TRANSITION IN VERTICAL SECTION NOT IN HORIZONTAL SECTION A93034 Fig 42 Combustion Air and Vent Pipe Diameter Transition Location and Elbow Configuration L14F028 Fig 43 Inside Corner Termination 59SC2C ...

Page 55: ... combustion air connection UPFLOW VERTICAL VENT A11310A Fig 44 Upflow Configurations Appearance may vary See Notes for Venting Options 1 2 3 4 5 6 7 5 Rotate vent elbow to required position DOWNFLOW LEFT CONFIGURATION A11311A 1 2 3 4 5 6 7 5 Rotate vent elbow to required position Any other unused knockout may be used for combustion air connection DOWNFLOW RIGHT CONFIGURATION A11312A Requires Acces...

Page 56: ...T RIGHT VENT CONFIGURATION A11329A Fig 46 Horizontal Left Appearance may vary See Notes for Venting Options ALTERNATE COMBUSTION AIR CONNECTIONS HORIZONTAL RIGHT VERTICAL VENT CONFIGURATION A11337 Requires Internal Vent Kit See Product Data for Current Kit Number HORIZONTAL RIGHT LEFT VENT CONFIGURATION A11336 ALTERNATE COMBUSTION AIR CONNECTIONS HORIZONTAL RIGHT RIGHT VENT CONFIGURATION A11335 Fi...

Page 57: ... VENT PIPE FLUSH SHOWING COUPLING VENT PIPE FLUSH WITH ADAPTER VENT PIPE ADAPTER WITH GASKET INSTALLED ON FURNACE VENT PIPE IS CUT FLUSH WITH TOP OF ADAPTER PRIME AND CEMENT VENT PIPE TO ADAPTER ALLOW TO DRY BEFORE INSTALLING VENT COUPLING ALIGN NOTCHES IN VENT PIPE COUPLING OVER STAND OFF ON ADAPTER TORQUE LOWER CLAMP 15 LB IN WHEN REMAINING VENT PIPE IS INSTALLED TORQUE UPPER CLAMP TO 15 LB IN A...

Page 58: ...ides beneath the floor See Note 4 Manufacturer s Recommendation See Notes 3 8 M Clearance to each side of the centerline extended above or below vent terminal of the furnace to a dryer or water heater vent or other appliance s vent intake or exhaust 12 in 305 mm 12 in 305 mm N Furnace combustion air intake clearance to a water heater vent dryer vent or other types of appliance exhausts 3 ft 9 M 3 ...

Page 59: ... of two sides beneath the floor See Note 4 Manufacturer s Recommendation See Notes 3 8 M Clearance to each side of the centerline extended above or below vent terminal of the furnace to a dryer or water heater vent or other appliance s direct vent intake or exhaust 12 in 305 mm 12 in 305 mm N Clearance to a moisture exhaust duct dryer vent spa exhaust etc 12 in 305 mm See Note 4 12 in 305 mm See N...

Page 60: ...termination with 2 elbows preferred 12 in min 305 mm from overhang or roof Maintain 12 in 305mm minimum clearance above highest anticipated snow level or grade whichever is greater 6 in 152mm minimum clearance between wall and end of vent pipe 10 in 254mm maximum pipe lengt h Sidewall Termination with Straight Pipe preferred Roof Termination Preferred Vent Maintain 12 in minimum clearance above hi...

Page 61: ... 305 MM CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL OR GRADE WHICHEVER IS GREATER COMBUSTION AIR ELBOW PARALLEL TO WALL OVERHANG 12 IN 305 MM MIN GROUND LEVEL OR ANTICIPATED SNOW LEVEL EXHAUST CLEARANCE TO OVERHANG PER CODE OPTIONAL BRACKET COUPLING 12 IN 305 MM MIN SEPARATION BETWEEN BOTTOM OFCOMBUSTION AIR AND BOTTOM OF VENT A13078 Fig 54 Alberta and Saskatchewan Vent Termination 59SC2C ...

Page 62: ...ipe hangar Ventilated Combustion Air intake termination in crawl space Ventilated Combustion Air intake pipe CRAWL SPACE ATTIC highest level of insulation A10497 Fig 55 Vent Terminations for Ventilated Combustion Air 59SC2C ...

Page 63: ...GURATIONS A12220 Fig 56 Sample Inlet Air Pipe Connection for Polypropylene Venting Systems Representative drawing only some models may vary in appearance TO CODEïAPPROVED DRAIN OR CONDENSATE PUMP L1 L12F028 Fig 57 Recommended Combustion Air Inlet Moisture Trap 59SC2C ...

Page 64: ...r operates HUM 24vac terminal is only energized when the draft inducer is energized in heating Prime Condensate Trap with Water CARBON MONOXIDE POISONING HAZARD Failure to follow these warnings could result in personal injury or death Failure to use a properly configured trap or NOT water priming trap before operating furnace may allow positive pressure vent gases to enter the structure through dr...

Page 65: ...fferent gas heat contents it may be necessary to change the factory orifice to a different orifice Tables have been provided in the furnace installation instructions to match the required orifice to the manifold pressure to the heat content and specific gravity of the gas To do this 1 Obtain average yearly gas heat value at installed altitude from local gas supplier 2 Obtain average yearly gas spe...

Page 66: ...s 1 Place duct thermometers in return and supply ducts as close to furnace as possible Be sure thermometers do not see heat exchangers so that radiant heat does not affect thermometer readings This is particularly important with straight run ducts 2 When thermometer readings stabilize subtract return air temperature from supply air temperature to determine temperature rise If the temperature rise ...

Page 67: ...furnace for at least 5 minutes b Gradually block off return air with a piece of cardboard or sheet metal until the limit trips c Unblock return air to permit normal circulation d Burners will re light when furnace cools down 2 Check Pressure Switch es This control proves operation of the draft inducer blower a Turn off 115 v power to furnace b Disconnect inducer motor lead wires from wire harness ...

Page 68: ...sed on midpoint altitude for altitude range ON OFF Switch Regulator Seal Cap Regulator Adjustment Regulator Seal Cap under Cap 1 2 NPT Outlet 1 8 NPT Manifold Pressure Tap 1 8 NPT Inlet Pressure Tap 1 2 NPT Inlet SINGLE STAGE A11153 Fig 58 Gas Valve BURNER ORIFICE A93059 Fig 59 Orifice Hole R Y W G 10 TURNS THERMOSTAT SUBBASE TERMINALS WITH THERMOSTAT REMOVED ANITICIPATOR CLOCK ETC MUST BE OUT OF ...

Page 69: ...69 338309 201 Rev E A11602 Fig 61 Service Label Information 59SC2C ...

Page 70: ... 23 157 313 783 66 54 109 273 24 150 300 750 68 53 106 265 25 144 288 720 70 51 103 257 26 138 277 692 72 50 100 250 27 133 267 667 74 48 97 243 28 129 257 643 76 47 95 237 29 124 248 621 78 46 92 231 30 120 240 600 80 45 90 225 31 116 232 581 82 44 88 220 32 113 225 563 84 43 86 214 33 109 218 545 86 42 84 209 34 106 212 529 88 41 82 205 35 103 206 514 90 40 80 200 36 100 200 500 92 39 78 196 37 ...

Page 71: ...3 3 7 43 3 8 42 3 2 850 44 3 8 43 3 5 43 3 6 43 3 7 875 44 3 6 44 3 7 43 3 4 43 3 5 4000 900 44 3 4 44 3 5 44 3 7 44 3 8 1219 925 44 3 2 44 3 4 44 3 5 44 3 6 950 44 3 1 44 3 2 44 3 3 44 3 4 750 42 3 3 42 3 4 42 3 5 42 3 6 4001 775 43 3 7 43 3 8 42 3 3 42 3 4 1220 800 43 3 5 43 3 6 43 3 7 43 3 8 825 44 3 8 43 3 4 43 3 5 43 3 6 850 44 3 5 44 3 7 44 3 8 43 3 4 5000 875 44 3 3 44 3 5 44 3 6 44 3 7 152...

Page 72: ...2 3 2 725 44 3 8 43 3 4 43 3 5 43 3 6 750 44 3 5 44 3 7 44 3 8 43 3 4 8000 775 44 3 3 44 3 4 44 3 5 44 3 7 2438 800 44 3 1 44 3 2 44 3 3 44 3 4 825 44 2 9 44 3 0 44 3 1 44 3 2 625 42 3 4 42 3 5 42 3 6 42 3 7 8001 650 43 3 8 42 3 2 42 3 3 42 3 4 2439 675 43 3 5 43 3 6 43 3 7 42 3 2 700 44 3 7 43 3 4 43 3 5 43 3 6 725 44 3 5 44 3 6 44 3 7 44 3 8 9000 750 44 3 3 44 3 4 44 3 5 44 3 6 2743 775 44 3 0 4...

Page 73: ...he maximum make point of the switch is 0 83 in W C ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death There may be more than one electrical supply to the furnace Check accessories and cooling unit for additional electrical supplies that must be shut off during furnace servicing Lock out and tag switch with a suitable warning label WARNING The electrical...

Page 74: ...erify that there is nothing plugged into the PLT connector Note If there is a jumper connector plugged into PLT remove it and discard See Fig 38 3 Verify that the Blower Heat Off Delay jumpers are set as desired See Fig 38 4 Verify that the blower and control Main doors are properly installed 5 Verify that the Status LED glows If not check that the power supply is energized and that the blower doo...

Page 75: ...urnace Blower Motor and Wheel Maintenance To ensure long life economy and high efficiency clean accumulated dirt and grease from blower wheel and motor annually The inducer and blower motors are pre lubricated and require no additional lubrication These motors can be identified by the absence of oil ports on each end of the motor The following items should be performed by a qualified service techn...

Page 76: ...rner assembly ELECTRICAL SHOCK AND FIRE HAZARD Failure to follow this warning could result in personal injury death and or property damage Turn off the gas and electrical supplies to the furnace and install lockout tag before performing any maintenance or service Follow the operating instructions on the label attached to the furnace WARNING Refer to Fig 68 1 Disconnect power at external disconnect...

Page 77: ...ontrol door Flushing Collector Box and Drainage System ELECTRICAL SHOCK AND FIRE HAZARD Failure to follow this warning could result in personal injury death and or property damage Turn off the gas and electrical supplies to the furnace and install lockout tag before performing any maintenance or service Follow the operating instructions on the label attached to the furnace WARNING 1 Turn off gas a...

Page 78: ...o clean them thoroughly due to their intricate design A build up of soot and carbon indicates that a problem exists which needs to be corrected such as improper adjustment of manifold pressure insufficient or poor quality combustion air improper vent termination incorrect size or damaged manifold orifice s improper gas or a restricted heat exchanger primary or secondary Action must be taken to cor...

Page 79: ...GE HAZARD Failure to follow this caution may result in damage to the furnace and other property damage Do not use ethylene glycol automotive antifreeze coolant or equivalent Failure of plastic components may occur CAUTION 1 Obtain propylene glycol RV swimming pool antifreeze or equivalent 2 Turn off gas and electrical supplies to your furnace 3 Remove furnace control door 4 Remove the top unused r...

Page 80: ...80 A11273 Fig 65 Cleaning Heat Exchanger Cell Burner Flame Burner Manifold A11461 Fig 66 Burner Flame 59SC2C ...

Page 81: ...CKET ENGAGEMENT SEE DETAIL A CAPACITOR OR POWER CHOKE WHEN USED BRACKET SCREW GND BLOWER HSG ASSY MOTOR BLOWER WHEEL BLOWER CUTOFF BLOWER DETAIL A A11584 Fig 67 Blower Assembly FLAME SENSOR BELOW BURNER FLAME ROLLOUT SWITCH BRACKET IGNITER IGNITER BURNER SUPT ASSY BURNER ASSY A11403 Fig 68 Burner Assembly 59SC2C ...

Page 82: ...y If the burner flame is proven the blower motor is energized on HEAT speed 25 sec after the gas valve GV is energized Simultaneously the electronic air cleaner terminal EAC 1 is energized and remains energized as long as the blower motor BLWM is energized f Blower Off Delay When the thermostat is satisfied the R to W circuit is opened de energizing thegas valveGV stopping gas flowto theburners an...

Page 83: ...ious fault or status code 11 1 short and 1 long flash if there was no previous fault After the control repeats the code 4 times the control will go through a brief component test sequence The inducer will start and run for the entire component test The HSI blower motor FAN speed when equipped HEAT speed and COOL speed will run for 10 15 seconds each Gas valve and humidifier will not be turned on W...

Page 84: ...sequence 3 more times before lockout 14 occurs If flame signal is lost during the blower on delay period blower will come on for the selected blower off delay Check the following items first before proceeding to the next step Gas valve turned off Manual shut off valve Green Yellow wire MUST be connected to furnace sheet metal Flame sensor must not be grounded To determine whether the problem is in...

Page 85: ...85 A12420 Fig 70 Wiring Diagram 59SC2C ...

Page 86: ...s headings for dealer listing by brand name or contact CARRIER CORPORATION Consumer Relations Department P O Box 4808 Syracuse New York 13221 1 800 CARRIER Have available the model number series number and serial number located on the unit rating plate to ensure correct replacement part Model Nomenclature MODEL HEATING SIZE MOTOR WIDTH VOLTAGE MINOR SERIES COOLING AIRFLOW CFM 59SC2C 120 E 24 22 FI...

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Carrier 59SC2B, Installation, Start-Up, Operating And Service And Maintenance Instructions

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