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59TN6C
Two-Stage, Variable-Speed, Multipoise
35 in. (889 mm) Tall, Condensing Gas Furnace
NOTE: Read the entire instruction manual before starting the installation.
TABLE OF CONTENTS
IMPORTANT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Table 1 - Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Table 2 - Minimum Clearances to Combustible Materials for All Units
5
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Table 3 - Loose Parts Bag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
CODES AND STANDARDS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS PROCE-
DURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
AIR FOR COMBUSTION AND VENTILATION . . . . . . . . . . . . . . 8
Table 4 - Minimum Free Area Required for Each Combustion Air
Opening or Duct to Outdoors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Table 5 - Minimum Space Volumes for 100% Combustion, Ventila-
tion and Dilution Air from Outdoors . . . . . . . . . . . . . . . . . . . . . . . 9
CONDENSATE TRAP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Condensate Drain Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 6 - Opening Dimensions - In. (mm) . . . . . . . . . . . . . . . . . 18
Filter Arrangement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Table 7 - Optional Filter Media Pressure Drop (Clean) Versus Airflow
- in. w.c. (Pa) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table 8 - Optional Filter Media Pressure Drop (Clean) Versus Face
Velocity- in. w.c. (Pa) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Table 9 - Air Filter Selection and Duct Sizing - In. (mm) . . . . . 21
AIR DUCTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
GAS PIPING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Table 10 - Maximum Capacity of Pipe . . . . . . . . . . . . . . . . . . . . 23
ELECTRICAL CONNECTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Table 11 - Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
115-V Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
24-V Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
TEMPERATURE SENSORS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
VENTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Table 12 - Vent Termination Kit for Direct Vent (2-pipe) Systems30
Table 13 - Approved Combustion-Air and Vent Pipe, Fitting and Ce-
ment Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Table 14 - Maximum Equivalent Vent Length - Ft. . . . . . . . . . . 41
Table 15 - Deductions from Maximum Equivalent Vent Length - Ft.
(M) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Portions of the text and tables are reprinted from NFPA 54/ANSI Z223.1E, with permission of National Fire Protection Association, Quincy, MA
02269 and American Gas Association, Washington DC 20001. This reprinted material is not the complete and official position of the NFPA or ANSI
Installation, Start-up, Operating,
Service and Maintenance Instructions
39) . . . . . . . . . . . . . . . . . . . . . . . 27
on the referenced subject, which is represented only by the standard in its entirety.
Table 16 - Maximum Allowable Exposed Vent Lengths in Uncondi-
tioned Space Insulation Table - Ft./M . . . . . . . . . . . . . . . . . . . . . 44
Table 17 - Hanger Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
AIRFLOW DELIVERY - CFM . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Table 18 - Air Delivery - CFM (with filter) . . . . . . . . . . . . . . . . 49
AND NAVIGATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Table 19 - System Status Display Codes . . . . . . . . . . . . . . . . . . 51
Table 20 - Main Menu Options . . . . . . . . . . . . . . . . . . . . . . . . . . 51
SERVICE LABEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
START-UP, ADJUSTMENT, AND SAFETY CHECK . . . . . . . . . 54
Table 21 - Test Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Table 22 - Altitude Derate Multiplier for U.S.A. . . . . . . . . . . . . 57
Table 23 - Gas Rate (CU ft./hr). . . . . . . . . . . . . . . . . . . . . . . . . . 58
Table 24 - Orifice Size and Manifold Pressure (in. w.c.) for Gas Input
Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
SERVICE AND MAINTENANCE PROCEDURES. . . . . . . . . . . . 60
Electrical Controls and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Care and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
WINTERIZATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
SEQUENCE OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
PARTS REPLACEMENT INFORMATION GUIDE . . . . . . . . . . . 74
MODEL NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
TRAINING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
To learn more about this appliance and installation via a mobile device,
go to
https://carrier.hvacpartners.com/NFC
access airflow tables or troubleshooting guide on your mobile device go
to
mlctraining.com/training/techdocs/98/
or use the QR code below. To
or use the QR code below.
A230288
A200352
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Related Manuals for Carrier 59TN6C
Summary of Contents for Carrier 59TN6C
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Page 1: Table Of Contents
59TN6C Two-Stage, Variable-Speed, Multipoise 35 in. (889 mm) Tall, Condensing Gas Furnace Installation, Start-up, Operating, Service and Maintenance Instructions NOTE: Read the entire instruction manual before starting the installation. TABLE OF CONTENTS Table 16 – Maximum Allowable Exposed Vent Lengths in Uncondi- REQUIRED NOTICE FOR MASSACHUSETTS INSTALLATIONS2 tioned Space Insulation Table - Ft./M . -
Page 2: Required Notice For Massachusetts Installations2
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions REQUIRED NOTICE FOR MASSACHUSETTS INSTALLATIONS IMPORTANT The Commonwealth of Massachusetts requires compliance with regulation 248 CMR as follows: 5.08: Modifications to NFPA-54, Chapter 10 2) Revise 10.8.3 by adding the following additional requirements: a. -
Page 3: Safety Considerations
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions A210796 Fig. 1 – Dimensional Drawing Table 1 – Dimensions SHIP WT. FURNACE SIZE LB (KG) CABINET WIDTH OUTLET WIDTH BOTTOM INLET WIDTH AIR INTAKE 040C14--10 14-3/162 (361) 12-1/2 (319) 12-9/16 (322) 7-1/8 (181) 125 (56.7) - Page 4 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions may cause death, personal injury, or property damage. Consult a WARNING qualified installer, service agency, or your distributor or branch for information or assistance. The qualified installer or agency must use FIRE, EXPLOSION, ELECTRICAL SHOCK, AND factory-authorized kits or accessories when modifying this product.
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Page 5: Introduction
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions 2. Install this furnace only in a location and position as specified in the NOTICE “Location” section of these instructions. 3. Provide adequate combustion and ventilation air to the furnace IMPORTANT INSTALLATION AND START-UP space as specified in “Air for Combustion and Ventilation”... -
Page 6: Codes And Standards
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions and/or vent to fail prematurely, customer discomfort and/or vent freezing. Failure to follow these guidelines is considered faulty installation and/or misapplication of the furnace; and resulting failure, damage, or repairs may impact warranty coverage. -
Page 7: Dure
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions • The use of copper tubing for gas piping is not approved by the state of • not be installed directly on any combustible material other than wood Massachusetts. flooring (refer to SAFETY CONSIDERATIONS). -
Page 8: Air For Combustion And Ventilation
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions AIR FOR COMBUSTION AND VENTILATION CAUTION Introduction Direct Vent (2-pipe) Applications PERSONAL INJURY AND/OR PROPERTY When the furnace is installed as a direct vent (2-pipe) furnace, no special DAMAGE HAZARD provisions for air for combustion are required. However, other gas... - Page 9 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions The requirements for combustion and ventilation air depend upon a. One opening MUST commence within 12 in. (300 mm) of the whether or not the furnace is located in a space having a volume of at ceiling and the second opening MUST commence within 12 in.
- Page 10 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions shall directly communicate with the outdoors or shall communicate through a vertical or horizontal duct to the outdoors or spaces (crawl or attic) that freely communicate with the outdoors. Indoor Combustion Air© NFPA & AGA...
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Page 11: Condensate Trap
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions dimension of air openings shall be at least 3 in. (80 mm). See Vent Pipe Clamp Fig. Condensate Trap Vent Elbow Clamp Relief Port c. Combining space on different floor levels. The volumes of... - Page 12 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions A230046 A230049 Fig. 11 – Horizontal Left Configuration (Appearance may vary) To Relocate the Condensate Trap: • Remove the knockout or plug in the casing for the condensate trap. • Install the grommet in the casing when required for direct-vent horizontal applications.
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Page 13: Condensate Drain Connection
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions CONDENSATE DRAIN CONNECTION Evaporator Coil + + + CAUTION + = Positive pressure < + = Pressure lower than areas with + = Negative pressure Condensing PROPERTY DAMAGE HAZARD Furnace Blower creates positive pressure. - Page 14 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions 4. From inside the casing, insert the formed grommet end of the elbow CAUTION through the 7/8-in. hole in the casing. 5. Pull the grommet through the casing from the outside until it is CUT HAZARD seated in the hole.
- Page 15 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions Allow at least 1/4-in. per foot (20 mm per meter) of slope down and away from the furnace in horizontal sections of drain line. NOTICE The field-supplied, accessory horizontal drain trap grommet is ONLY REQUIRED FOR DIRECT VENT APPLICATIONS.
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Page 16: Installation
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions UPFLOW DOWNFLOW HORIZONTAL PERFORATED DISCHARGE DUCT 90° 90° FLANGE 120° 120° 120° A10493 Fig. 20 – Duct Flanges Return Air Connections A230007 Fig. 18 – Horizontal Drain Trap Grommet WARNING INSTALLATION NOTICE... - Page 17 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions Supply Air Connections NOTE: For downflow applications, this furnace is approved for use on combustible flooring when any one of the following accessories are used: • Manufacturer’s downflow combustible floor subbase HORIZONTAL TOP...
- Page 18 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions Connect supply-air duct to flanges on furnace supply-air outlet. Bend WARNING flange upward to 90° with wide duct pliers. See Fig. 20. The supply-air duct must be connected to ONLY the furnace supply-outlet-air duct FIRE, EXPLOSION, AND CARBON MONOXIDE flanges or air conditioning coil casing (when used).
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Page 19: Filter Arrangement
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions Table 6 – Opening Dimensions - In. (mm) (Continued) FURNACE CASING PLENUM OPENING FLOOR OPENING WIDTH APPLICATION IN. (mm) Upflow Applications on Combustible or Noncombustible Flooring 21-5/8 23-5/8 22-1/4 (Subbase not required) - Page 20 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions TIP FROM CONTRACTORS: Install a media cabinet capable of efficiency and system airflow performance occurring with filter pressure incorporating a 4-in (102 mm) thick media filter. This allows room for drops under 0.1 in. w.c. (25 Pa).
- Page 21 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions Table 8 – Optional Filter Media Pressure Drop (Clean) Versus Face Velocity- in. w.c. (Pa) Representative After-Market Filter Media Factory-Accy Face Velocity Washable Fiberglass Pleated (m/s) (1-in. / 2.5 cm) (1-in. / 2.5 cm) (2-in.
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Page 22: Air Ducts
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions Suspended Furnace Support COMBUSTION - AIR PIPE (SEE VENTING SECTION) The furnace must be supported under the entire length of the furnace with threaded rod and angle iron. See Fig. 29. Secure angle iron to bottom of furnace as shown. -
Page 23: Gas Piping
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions SMACNA construction standard on fibrous glass ducts. Both acoustical Left Side Gas Entry. Gas Pipe Gas Pipe Grommet Required lining and fibrous ductwork shall comply with NFPA 90B as tested by Grommet Required For Direct For Direct Vent Applications Vent Applications. -
Page 24: Electrical Connections
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions Refer to current edition of NSCNGPIC in Canada. After all connections If pressure exceeds 0.5 psig (14-in. w.c.), gas supply pipe must be have been made, purge lines and check for leakage at furnace prior to disconnected from furnace and capped before and during supply pipe operating furnace. -
Page 25: 115-V Wiring
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions ELECTRIC DISCONNECT SWITCH COPPER WIRE ONLY ALUMINUM WIRE A190279 Fig. 33 – Field-Supplied External Electrical Box on Furnace Casing WARNING FIRE HAZARD A230059 Fig. 34 – Typical Two-Stage Field Wiring Diagram Failure to follow this warning could result in personal injury, death, or property damage. - Page 26 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions 1. Select and remove 7/8-in. (22 mm) knockout or plug on the desired side of the casing. Remove the knockout or plug from the casing. NOTE: If electrical entry through the furnace top panel is used, a 7/8-in.
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Page 27: 24-V Wiring
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions 24-V WIRING 2. Align the J-Box bracket with the pilot holes inside the furnace casing. Make field 24-V connections at the 24-V terminal strip. See Fig. 3. Install 2 screws through the outside of the casing to secure the Connect terminal Y/Y2 as shown in Fig. - Page 28 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions 2. Humidifier (HUM) The HUM terminal is a 24 VAC output, energized when the blower is operating during a call for heat. Connect an accessory 24 VAC, 0.5 amp. maximum humidifier (if used) to the ¼-in.
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Page 29: Venting
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions 13. Thermostat terminal connection order on furnace control may vary- reference furnace control labeling for designations. 14. Field installed jumper required for thermostat sensor installations using single-stage AC or HP. VENTING NOTE: Planning for the venting system should be done in conjunction with planning for the ductwork, drainage, and furnace accessories, such as air cleaners and humidifiers. - Page 30 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions ciment PVC pour évacuation des gaz de combustion, coté classe IIA, 65 WARNING deg C. doivent être utilisés avec le système d’évacuation IPEX 636 – Ne pas combiner l ’apprêt et le ciment d’un manufacturier avec un système CARBON MONOXIDE POISONING HAZARD d’évacuation d’un manufacturier différent.
- Page 31 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions Table 13 – Approved Combustion-Air and Vent Pipe, Fitting and Cement Materials MATERIALS 1. All pipe*, fittings*, primers**, and solvents** must conform to American National Standards Institute (ANSI) standards and American Society for Testing and Materials (ASTM) standards 2.
- Page 32 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions the exhaust gases from one appliance from contaminating the WARNING combustion air of other gas appliances. Do not take combustion air from inside the chimney when using CARBON MONOXIDE POISONING HAZARD ventilated combustion air or single-pipe vent option.
- Page 33 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions in the Air For Combustion and Ventilation Section. Do not use an NOTICE abandoned chimney to supply outside air to the furnace. See Fig. 45 references to vent clearances required by National code authorities.
- Page 34 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions No operable windows, doors or Clearance distances for intakes of any type within the items greater than 3 feet shaded areas of Wall A and B. (1 meter ) away from the...
- Page 35 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions A12326 Fig. 44 – Direct Vent Termination Clearance NOTE: The following is based upon National codes for gas appliances and is provided as a reference. Refer to local codes which may supersede these standards and/or recommendations.
- Page 36 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions A12325 Fig. 45 – Ventilated Combustion Air and Non-Direct Vent Termination Clearance NOTE: The following is based upon National codes for gas appliances and is provided as a reference. Refer to local codes which may supersede these standards and/or recommendations.
- Page 37 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions 4. Do not locate termination directly into prevailing winds. WARNING Termination should be positioned so that it will not be affected by sustained prevailing winds over 30 mph, wind eddy, such as inside...
- Page 38 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions National code authorities. Allowable vent terminations are shown in Refer to Fig. 50 for terminations approved for use in Alberta and Fig. 42. The combustion air pipe terminates in a well-ventilated attic or Saskatchewan.
- Page 39 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions NOTICE OPTIONAL CONFIGURATION FOR COMBUSTION AIR INLET PIPE In applications where there is a risk of excessive moisture entering the combustion air inlet pipe, a moisture trap may be added to the inlet pipe...
- Page 40 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions MAY NOT be used for venting the furnace. Try the next larger NOTICE diameter pipe NOTE: If the calculated Total Equivalent Vent Lengths results in ADDITIONAL INFORMATION FOR POLYPROPYLENE different diameter pipes for the vent and combustion air, select the larger VENTING SYSTEMS diameter for both pipes.
- Page 41 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions NOTE: Maximum Equivalent Vent Length (MEVL) includes standard and concentric vent termination and does NOT include elbows. Use Table 15 - Deductions from Maximum Equivalent Vent Length to determine allowable vent length for each application.
- Page 42 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions Combustion Air and Vent Piping Insulation Guidelines NOTE: Use closed cell, neoprene insulation or equivalent. The vent pipe may pass through unconditioned areas. The amount of Slope vent pipe back to the furnace at least ¼”...
- Page 43 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions A230011 UPFLOW VERTICAL VENT Fig. 55 – Upflow Configurations (Appearance may vary) See “Notes for Venting Options” Requires Accessory Internal Vent Kit. See Product Data for current kit number. Rotate vent elbow to...
- Page 44 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions Requires Accessory Vent Kit See Product Data for Current Kit Number A11329A HORIZONTAL LEFT-RIGHT VENT CONFIGURATION Requires Internal Vent Kit Fig. 57 – Horizontal Left (Appearance may vary) See Product Data for Current Kit Number See “Notes for Venting Options”...
- Page 45 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions 80,000 BTUH Unit Size Uninsulated 3/8-in. Insulation 1/2-in. Insulation Winter Pipe Dia. 1 ½ 2 ½ 1 ½ 2 ½ 1 ½ 2 ½ Design Temp °F 100,000 BTUH Unit Size Uninsulated 3/8-in.
- Page 46 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions Installing the Vent Pipe Adapter and Combustion Air NOTICE Pipe Adapter WARNING The following instructions are for PVC/ABS DWV vent piping only. DO NOT USE THESE TECHNIQUES FOR POLYPROPYLENE VENT PIPING SYSTEMS. See the polypropylene vent system CARBON MONOXIDE POISONING HAZARD manufacturer’s instructions for installing polypropylene venting...
- Page 47 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions termination elbows as shown in Fig. Fig. 42 Fig. Disassemble loose pipe fittings. Clean and cement using same For Ventilated Combustion Air Termination, See Fig. procedures as used for system piping. DO NOT CEMENT POLYPROPYLENE FITTINGS.
- Page 48 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions Inducer Outlet Restrictor 1. Cut two holes, one for each pipe, of appropriate size for pipe size being used. To improve efficiency and operation of 40K, 60K or 100K BTUH input 2. Loosely install elbow in bracket (if used) and place assembly on models on very short vent systems, an inducer outlet restrictor is combustion-air pipe.
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Page 49: Airflow Delivery - Cfm
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions Example 2 A direct-vent 60,000 BTUH furnace installed at 2100 ft. (640M). Venting system includes FOR EACH PIPE: 100 feet (30 M) of vent pipe, 95 feet (29 M) of combustion air inlet pipe, (3) 90º long-radius elbows, and a polypropylene concentric vent kit. Also includes 20 feet (6.1 M) of flexible polypropylene vent pipe, included within the 100 feet (30 M) of vent pipe. - Page 50 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions Table 18 – Air Delivery - CFM (with filter) (Continued) 080C17--14 Available Cooling Airflow Settings (CFM) † 1000 1050 1138 1200 1300 1400 1225 ‡ Available Constant Fan Airflow Settings (CFM) 1000 Airflow Setting ESP (in.
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Page 51: Furnace Control Programming
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions FURNACE CONTROL PROGRAMMING This furnace model is equipped with an on-board 3-digit LCD display with pushbutton navigation for the adjustment of operating parameters, AND NAVIGATION diagnostics, and service. The control board must be powered to use the On-Board Control Method display and pushbuttons. - Page 52 1. Download the app Scan the mobile app QR code on the front page of this document, or search your app store for Carrier Service Technician to download. The app is available on phone and tablet devices. If you already have the app downloaded, please ensure you have updated to the latest version.
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Page 53: Service Label
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions A230389 Fig. 60 – 3 Digit Display Flow Chart SERVICE LABEL A230245 Fig. 61 – Service Label Information Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. -
Page 54: Start-Up, Adjustment, And Safety Check
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions START-UP, ADJUSTMENT, AND SAFETY 6. Blower door must be in place to complete 115-V electrical circuit and supply power to the furnace components. CHECK Start-Up Procedures NOTICE 1. Purge gas lines after all connections have been made. -
Page 55: Wiring Diagram
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions WIRING DIAGRAM A230244 Fig. 62 – Wiring Diagram Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. -
Page 56: Adjustments
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions Prime Condensate Trap with Water WARNING WARNING FIRE OR EXPLOSION HAZARD CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury, death, and/or property damage. Failure to follow these warnings could result in personal injury or Never purge a gas line into a combustion chamber. - Page 57 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions NOTICE NOTICE The NATURAL GAS manifold pressure adjustments in Table 24 If orifice hole appears damaged or it is suspected to have been redrilled, compensate for BOTH altitude AND gas heating value. DO NOT apply check orifice hole with a numbered drill bit of correct size.
- Page 58 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions Adjust Manifold Pressure NOTICE 1. Adjust manifold pressure to obtain low fire input rate. See Fig. a. Turn gas valve ON/OFF switch to OFF. DO NOT set high-heat manifold pressure less than 3.2-in. w.c. (797 Pa) b.
- Page 59 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions Table 23 – Gas Rate (CU ft./hr) (Continued) TWO-STAGE FURNACE (TABULATED DATA BASED ON 20,000 BTUH HIGH-HEAT / 13,000 BTUH LOW-HEAT PER BURNER, SIZE OF TEST DERATED 2%/1000 FT (305M) ABOVE SEA LEVEL)
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Page 60: Service And Maintenance Procedures
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions 2. When thermometer readings stabilize, subtract return-air 1. Check Main Limit Switch temperature from supply-air temperature to determine air This control shuts off combustion system and energizes temperature rise. air-circulating blower motor, if furnace overheats. By using this... -
Page 61: Electrical Controls And Wiring
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions The electrical ground and polarity for 115-V wiring must be properly CAUTION maintained. Refer to Fig. 34 for field wiring information and to Fig. 62 for furnace wiring information. ENVIRONMENTAL HAZARD NOTE: Proper polarity must be maintained for 115-V wiring. If polarity is incorrect, control LED status indicator light will flash rapidly and Failure to follow this caution may result in environmental pollution. -
Page 62: Care And Maintenance
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions CARE AND MAINTENANCE 5. Inspect the vent pipe/vent system before each heating season for water leakage, sagging pipes or broken fittings. Have vent WARNING pipes/vent system serviced by a qualified service agency. - Page 63 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions 4. All factory wires can be left connected, but field thermostat and 16. Reconnect blower leads to furnace control. Refer to furnace wiring accessory wiring may need to be disconnected depending on their diagram, and connect thermostat leads if previously disconnected.
- Page 64 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions 9. Support the manifold and remove the four screws that secure that manifold assembly to the burner assembly and set aside. Note the location of the green/yellow wire and ground terminal. 10. Inspect the orifices in the manifold assembly for blockages or obstructions.
- Page 65 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions 6. Remove igniter assembly. a. Using a 1/4-in. driver, remove the two screws securing the igniter mounting bracket to the burner assembly. See Fig. b. Carefully withdraw the igniter and bracket assembly through the front of the burner assembly without striking the igniter on surrounding parts.
- Page 66 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions Cleaning Condensate Drain and Trap 2. Check for discolored heat tape insulation. If any damage or discolored insulation is evident, replace heat tape. NOTE: If the condensate trap is removed, a new gasket between the trap 3.
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Page 67: Winterization
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions 11. Reconnect power at external disconnect, fuse or circuit breaker. CAUTION 12. Turn on gas at electric switch on gas valve and at external shut-off or gas meter. UNIT COMPONENT DAMAGE HAZARD 13. - Page 68 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions setting of (Htt). This furnace can operate as a two-stage furnace with a at SEC1 or SEC2 to the furnace control CPU (not at W/W1, G, R, single-stage thermostat because the furnace control CPU includes a etc.).
- Page 69 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions IDM reduces pressure sufficiently, the high-heat pressure switch setting). The furnace CPU is factory set for a 90 second cooling HPS will open. The gas valve solenoid GV-M will remain blower-OFF delay. See Fig.
- Page 70 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions BLWM will drop the blower airflow to 65 percent of whichever is lowest. The blower motor BLWM will remain on until high-cooling airflow for a maximum of 10 minutes each cooling the main burners ignite then shut OFF and remain OFF for 25 sec cycle or until the R-to-G circuit closes or the demand for before coming back on at heating airflow.
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Page 71: Troubleshooting
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions TROUBLESHOOTING A230352 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. - Page 72 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions A230353 Troubleshooting Guide (Continued) Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
- Page 73 59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions A230354 Fig. 72 – Troubleshooting Guide Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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Page 74: Parts Replacement Information Guide
59TN6C: Installation, Start-up, Operating, Service and Maintenance Instructions PARTS REPLACEMENT INFORMATION GUIDE Casing Group Gas Control Group Blower door Burner Bottom plate Flame sensor Control door Gas valve Door knob assembly Hot surface igniter Top filler plate Manifold Electrical Group...