Table of Contents
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59SC6A
Single-Stage, High Efficiency, 4-Way Multipoise
35-in. (889 mm), Condensing Gas Furnace
NOTE: Read the entire instruction manual before starting the
installation.
TABLE OF CONTENTS
IMPORTANT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Table 1 - Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
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 - Filter Media Pressure Drop (Clean) Versus Airflow - in. w.c.
(Pa) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table 8 - Filter Media Pressure Drop (Clean) Versus Face Velocity-
in. w.c. (Pa) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table 9 - Air Filter Selection and Duct Sizing - In. (mm) . . . . . 21
AIR DUCTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
GAS PIPING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Table 10 - Maximum Capacity of Pipe . . . . . . . . . . . . . . . . . . . . 24
ELECTRICAL CONNECTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Table 11 - Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
38) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Table 14 - Maximum Equivalent Vent Length - Ft. . . . . . . . . . . 40
Table 15 - Deductions from Maximum Equivalent Vent Length - Ft.
(M) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Table 16 - Maximum Allowable Exposed Vent Length in Uncondi-
tioned Space - Ft. / M. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
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 and
Service and Maintenance Instructions
on the referenced subject, which is represented only by the standard in its entirety.
Table 17 - Hanger Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
AIR DELIVERY - CFM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Table 18 - Air Delivery - CFM (with filter) . . . . . . . . . . . . . . . . 48
Table 19 - Airflow Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
AND NAVIGATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Table 20 - System Status Display Codes . . . . . . . . . . . . . . . . . . 52
Table 21 - Main Menu Options . . . . . . . . . . . . . . . . . . . . . . . . . . 53
SERVICE LABEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
START-UP, ADJUSTMENT, AND SAFETY CHECK . . . . . . . . . 55
Table 22 - Test Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Table 23 - Altitude Derate Multiplier for U.S.A. . . . . . . . . . . . . 58
Table 24 - Gas Rate (CU ft./hr). . . . . . . . . . . . . . . . . . . . . . . . . . 59
Table 25 - Orifice Size and Manifold Pressure (in. w.c.) for Gas Input
Rate - 40,000 BTUh to 140,000 BTUh . . . . . . . . . . . . . . . . . . . . 60
Table 26 - Orifice Size and Manifold Pressure (in. w.c.) for Gas Input
Rate - 26,000 BTUh ONLY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
SERVICE AND MAINTENANCE PROCEDURES. . . . . . . . . . . . 62
ELECTRICAL CONTROLS AND WIRING . . . . . . . . . . . . . . . . . 62
CARE AND MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
WINTERIZATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
SEQUENCE OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
TROUBLSHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
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/28
or use the QR code below. To
or use the QR code below.
A220934
A200352
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Related Manuals for Carrier 59SC6A
Summary of Contents for Carrier 59SC6A
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Page 1: Table Of Contents
59SC6A Single-Stage, High Efficiency, 4-Way Multipoise 35-in. (889 mm), Condensing Gas Furnace Installation, Start-up, Operating and Service and Maintenance Instructions NOTE: Read the entire instruction manual before starting the Table 17 – Hanger Spacing ......46 AIR DELIVERY - CFM. -
Page 2: Required Notice For Massachusetts Installations
59SC6A: Installation, Start-up, Operating and 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 59SC6A: Installation, Start-up, Operating and 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 026M14--10 14-3/16 (361) 12-1/2 (319) 12-9/16 (322)
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Page 4: Safety Considerations
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions SAFETY CONSIDERATIONS WARNING WARNING FIRE, INJURY, OR DEATH HAZARD Failure to follow this warning could result in property damage, personal FIRE, INJURY, OR DEATH HAZARD injury, or death. Failure to follow this warning could result in property damage, personal Do not bypass any of the safety controls in the furnace, including but injury, or death. -
Page 5: For All Units
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions Understand the signal words DANGER, WARNING, and CAUTION. MUST be used when installed on combustible materials and wood These words are used with the safety-alert symbol. DANGER identifies flooring. Special base is not required when this furnace is installed the most serious hazards which will result in severe personal injury or on manufacturer’s cased evaporator coils or when manufacturer’s... -
Page 6: Codes And Standards
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions A150573 Fig. 3 – Freeze Protection and Return Air Temperature The furnace should be sized to provide 100 percent of the design heating A12182 Fig. 4 – Prohibited Installations load requirement plus any margin that occurs because of furnace model WARNING size capacity increments. -
Page 7: Dure
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions General Installation 2. Firmly touch the clean, unpainted, metal surface of the furnace chassis which is close to the control. Tools held in a person’s hand • US: NFPA 54/ANSI Z223.1 and the NFPA 90B. For copies, contact during grounding will be satisfactorily discharged. -
Page 8: Air For Combustion And Ventilation
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions All fuel-burning equipment must be supplied with air for fuel WARNING combustion. Sufficient air must be provided to avoid negative pressure in the equipment room or space. A positive seal must be made between... - Page 9 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions least 50 cubic feet per 1,000 BTUh input rating for all gas appliances CAUTION installed in the space. • Spaces having less than 50 cubic feet per 1,000 BTUh (4.8 cubic FURNACE CORROSION HAZARD meters per kW) require the Outdoor Combustion Air Method.
- Page 10 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions Indoor Combustion Air© NFPA & AGA Standard and Known-Air-Infiltration Rate Methods Indoor air is permitted for combustion, ventilation, and dilution, if the Standard or Known-Air-Infiltration Method is used. WARNING CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death.
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Page 11: Condensate Trap
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions openings in doors or floors having free area of at least 2 furnace is installed in the downflow orientation, the condensate trap in.2/1,000 BTUh (4,400 mm2/kW) of total input rating of all gas must be relocated for proper condensate drainage. - Page 12 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions A230047 Fig. 10 – Horizontal Right Trap Configuration (Appearance may vary) A170135 Fig. 12 – Example of Field Drain Attachment To Relocate the Condensate Trap: • Orient the furnace in the downflow position.
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Page 13: Condensate Drain Connection
59SC6A: Installation, Start-up, Operating and 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 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions 4. From inside the casing, insert the formed grommet end of the elbow The remaining drain line can be constructed from field supplied 1/2-in. through the 7/8-in. hole in the casing.
- Page 15 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions condensate and compatible with mineral and vegetable oils, such as canola oil. 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.
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Page 16: Installation
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions Return Air Connections WARNING FIRE HAZARD A failure to follow this warning could cause personal injury, death and/or property damage. Never connect return-air ducts to the back of the furnace. Follow instructions below. - Page 17 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions 4. If downflow subbase is used, install as shown. If manufacturer’s cased evaporator coil or coil casing is used, install as shown in Fig. NOTE: It is recommended that the perforated supply-air duct flanges be completely removed from furnace when installing the furnace on a factory-supplied cased coil or coil box.
- Page 18 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions Bottom Return Air Inlet flanges or air conditioning coil casing (when used). DO NOT cut main furnace casing side to attach supply air duct, humidifier, or other These furnaces are shipped with bottom closure panel installed in bottom accessories.
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Page 19: Filter Arrangement
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions NOTICE FURNACE FURNACE (OR COIL CASING WHEN USED) APPROVED COIL ASSEMBLY Design the duct system FIRST to determine how much pressure drop COIL BOX may be allowed in the filter system. See the Air Ducts section. - Page 20 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions Table 7 – Filter Media Pressure Drop (Clean) Versus Airflow - in. w.c. (Pa) Factory-Accessory Representative After-Market Filter Media 14 x 25 Filter Factory-Accessory (356 x 635 mm) Washable Media Fiberglass Pleated (1-in.
- Page 21 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions Table 9 – Air Filter Selection and Duct Sizing - In. (mm) FILTER SIZE FURNACE CASING FILTER TYPE SIDE BOTTOM WIDTH RETURN RETURN 16 x 25 x 3/4 14 x 25 x 3/4...
- Page 22 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions 3. Install another nut on other side of furnace base. (Install flat washer COMBUSTION - AIR PIPE (SEE VENTING SECTION) if desired.) 4. Adjust outside nut to provide desired height, and tighten inside nut to secure arrangement.
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Page 23: Air Ducts
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions AIR DUCTS GAS PIPING NOTICE WARNING Many states, provinces and localities are considering or have FIRE OR EXPLOSION HAZARD implemented standards and/or restrictions on duct sizing practices, Failure to follow this warning could result in personal injury, death, ductwork leakage, and/or ductwork thermal, airflow and electrical and/or property damage. - Page 24 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions Gas entry can be from left or right side, or top panel. See Fig. 30 PRESSURE TESTING ABOVE ½ psig: Fig. The furnace and it’s individual shut-off valve must be disconnected from the gas supply piping system during any pressure testing of that system Left Side Gas Entry.
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Page 25: Electrical Connections
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions Gas Pipe Grommet WARNING For direct vent (2-pipe) applications, the opening for the gas pipe must be sealed to prevent air leakage. Remove the knockout or plug, install ELECTRICAL SHOCK AND FIRE HAZARD the grommet in the hole, then insert the gas pipe. - Page 26 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions CAUTION FURNACE MAY NOT OPERATE HAZARD Failure to follow this caution may result in intermittent furnace operation. Furnace control must be grounded for proper operation or else control will lock out. Control must remain grounded through green/yellow wire routed to gas valve and manifold bracket screw.
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Page 27: Accessories (See Fig. 38)
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions 2. Drill two (2) 1/8-in. (3 mm) pilot holes through the dimples in the 4. Pull furnace power wires through 1/2-in. (12 mm) diameter hole in furnace casing near the 7/8-in. hole. - Page 28 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions device. See Thermidistat, Zone Controller, thermostat, or controller THERMOSTAT manufacturer’s instructions for proper connection. NOTE: For 24-V & 115-V EAC or Humidifier Accessory details, see Accessory instructions. Alternate Power Supplies This furnace is designed to operate on utility generated power which has a smooth sinusoidal waveform.
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Page 29: Venting
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions 8. Thermostat terminal connection order on furnace control may vary- The authority having jurisdiction (gas inspection authority, municipal reference furnace control labeling for designations building department, fire department, etc.) should be consulted before installation to determine the need to obtain a permit. - Page 30 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions NOTICE RECOMMENDED SUPPORT FOR VENT TERMINATION It is recommended that sidewall vent terminations of over 24 inches (0.6 M) in length or rooftop vent terminations of over 36 inches (1 M)
- Page 31 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions These furnaces can be vented as direct-vent (two-pipe), ventilated WARNING combustion air or non-direct (single-pipe) vent system. Each type of venting system is described below. Common venting between these CARBON MONOXIDE POISONING HAZARD furnaces or other appliances is prohibited.
- Page 32 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions 12 in. (305mm) min. separation between bottom of combustion air and bottom of vent (Typ.) A13305 Fig. 40 – Combustion Air and Vent Pipe Termination for Direct Vent (2-Pipe) System A05091 Fig.
- Page 33 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions A190032 Fig. 42 – Inside Corner Termination Inside Corner Terminations Inside corner vent terminations are permitted provided that: • Only two exterior walls come together to form an angle of 90 degrees to 135 degrees. There are no other exterior walls attached to either wall to form an alcove.
- Page 34 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions A12326 Fig. 43 – 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 35 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions A12325 Fig. 44 – 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 36 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions 2. The vent termination must be located at least 3 feet from an inside WARNING corner and follow the clearance distances in the Inside Corner Termination drawing. See Fig. CARBON MONOXIDE POISONING HAZARD 3.
- Page 37 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions and/or five feet of pipe may be used to accomplish the sound attenuation function. Ventilated Combustion Air intake pipe WARNING Pipe hangar CARBON MONOXIDE POISONING HAZARD 3” (76 mm) Failure to follow the instructions outlined below for each appliance being placed into operation could result in carbon monoxide poisoning or death.
- Page 38 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions Table 14 minus the number of fittings multiplied by the deduction for each type of fitting used from Table FURNACE NOT IN HORIZONTAL SECTION PIPE DIAMETER TRANSITION IN VERTICAL SECTION A93034 Fig.
- Page 39 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions 4. If a Tee is used on the termination (Alberta and Saskatchewan, when required) record the equivalent length of the Tee used. 5. Calculate Total Equivalent Vent Length by adding the equivalent lengths of the fittings to the lengths of the individual vent and combustion air pipes.
- Page 40 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions Table 14 – Maximum Equivalent Vent Length - Ft. NOTE: Maximum Equivalent Vent Length (MEVL) includes standard and concentric vent termination and does NOT include elbows. Table 15 - Deductions from Maximum Equivalent Vent Length to determine allowable vent length for each application.
- Page 41 59SC6A: Installation, Start-up, Operating and 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 42 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions A230011 UPFLOW VERTICAL VENT Fig. 54 – Upflow Configurations (Appearance may vary) See “Notes for Venting Options” Requires Accessory Internal Vent Kit. See Product Data for current kit number. A11313A DOWNFLOW VERTICAL Fig.
- Page 43 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions A11329A A11336 HORIZONTAL LEFT-RIGHT VENT CONFIGURATION HORIZONTAL RIGHT-LEFT VENT CONFIGURATION Fig. 56 – Horizontal Left (Appearance may vary) See “Notes for Venting Options” A11337 HORIZONTAL RIGHT-VERTICAL VENT CONFIGURATION A11335 HORIZONTAL RIGHT-RIGHT VENT CONFIGURATION Fig.
- Page 44 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions 40,000* BTUh 60,000 BTUh Unit 3/8-in. 1/2-in. Size Uninsulated Uninsulated 3/8-in. Insulation 1/2-in. Insulation Insulation Insulation Winter Pipe Design 1 ½ 2 ½ 1 ½ 2 ½ 1 ½ 2 ½...
- Page 45 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions 100,000 BTUh Unit Size Uninsulated 3/8-in. Insulation 1/2-in. Insulation Pipe Winter Dia. mm Design 15.2 12.2 10.7 24.4 28.9 24.4 24.4 32.0 27.4 Temp °C 16.8 13.7 10.7 19.8 16.7 13.7 10.7...
- Page 46 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions mark. Quickly apply approved cement to end of pipe and fitting KGAVT0801CVT. For two-pipe or single pipe vent systems, a flashing socket (over primer). Apply cement in a light, uniform coat on for each pipe of the required diameter will be necessary.
- Page 47 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions 4. Locate assembly through sidewall with rain shield positioned no 4. Disassemble loose pipe fittings. Clean and cement using same more than 1-in. (25 mm) from wall as shown in Fig.
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Page 48: Air Delivery - Cfm
59SC6A: Installation, Start-up, Operating and 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 49 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions Table 18 – Air Delivery - CFM (with filter) (Continued) External Static Pressure (IN.W.C.) Airflow Default Unit Size Setting Setting Cont. Fan Heat 040M17--12 1030 1085 1050 1020 1140 1105 1080...
- Page 50 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions Table 18 – Air Delivery - CFM (with filter) (Continued) External Static Pressure (IN.W.C.) Airflow Default Unit Size Setting Setting Cont. Fan 1005 1070 1025 1145 1100 1060 1020 080M17--16 1215...
- Page 51 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions Table 18 – Air Delivery - CFM (with filter) (Continued) External Static Pressure (IN.W.C.) Airflow Default Unit Size Setting Setting Cont. Fan 1025 1115 1035 1220 1150 1075 1295 1230 1160...
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Page 52: Furnace Control Programming
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions Table 19 – Airflow Settings Default Airflow Settings Designated Airflow Settings Unit Size Heating Cooling Heating Constant Fan 026M14--10 (5-14) (1-7) 040M14--10 (6-11) (1-1) 040M17--12 (5-9) (1-5) 060M14--12 (9-12) (1-3) 060M17--16... - Page 53 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions Table 21 – Main Menu Options Display Operating Mode Faults code menu stores the 7 latest faults in memory. If no faults, None ( ) will be Last 7 faults that occurred displayed.
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Page 54: Service Label
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions A220518 Fig. 59 – 3 Digit Display Flow Chart SERVICE LABEL Scroll through main menu by pressing the MENU/SELECT button. Scan QR code or reference troubleshooting guide in installation manual. The major status code is displayed in the first 2 digits of the display. The minor status Press NEXT/OPTION button to view current setting (will flash on code is displayed in the third digit . -
Page 55: Start-Up, Adjustment, And Safety Check
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions START-UP, ADJUSTMENT, AND SAFETY CAUTION CHECK General CUT HAZARD Failure to follow this caution may result in personal injury. CAUTION Sheet metal parts may have sharp edges or burrs. Use care and wear... -
Page 56: Wiring Diagram
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions WIRING DIAGRAM SCHEMATIC DIAGRAM CONNECTION DIAGRAM TO 115VAC FIELD - DISCONNECT SWITCH NOTE #2 EQUIPMENT PRINTED CIRCUIT BOARD GROUND 24VAC HUM STATUS HSIR CODE LED SEE R ATING PLA T EFO R... -
Page 57: Adjustments
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions CAUTION FURNACE DAMAGE HAZARD Failure to follow this caution may result in reduced furnace life. DO NOT redrill orifices. Improper drilling (burrs, out-of-round holes, etc.) can cause excessive burner noise and misdirection of burner flames. - Page 58 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions Table 23 – Altitude Derate Multiplier for U.S.A. 8. When main burners ignite, confirm inlet gas pressure is between 4.5 in. w.c. (1125 Pa) and 13.6 in. w.c. (3388 Pa). ALTITUDE...
- Page 59 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions Table 24 – Gas Rate (CU ft./hr) CAUTION SIZE OF TEST DIAL SIZE OF TEST DIAL FOR 1 1 Cu 2 Cu 5 Cu FOR 1 1 Cu 2 Cu 5 Cu...
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Page 60: Rate - 26,000 Btuh Only
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions Table 25 – Orifice Size and Manifold Pressure (in. w.c.) for Gas Table 26 – Orifice Size and Manifold Pressure (in. w.c.) for Gas Input Rate - 40,000 BTUh to 140,000 BTUh... - Page 61 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions 4. Turn thermostat down below room temperature and remove blower WARNING access door. 5. Refer to the FURNACE CONTROL PROGRAMMING AND FIRE HAZARD NAVIGATION section of this manual for instructions on adjusting Failure to follow this warning could result in personal injury, death, the blower speed.
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Page 62: Service And Maintenance Procedures
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions code (31.1). If hot surface igniter glows when inducer motor is CAUTION disconnected, shut down furnace immediately. e. Determine reason low pressure switch did not function properly ELECTRICAL OPERATION HAZARD and correct condition. -
Page 63: Care And Maintenance
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions c. Depress blower door switch to energize the control board. CAUTION CAUTION CUT HAZARD SHOCK HAZARD Failure to follow this caution may result in personal injury. Failure to follow this caution could result in personal injury. - Page 64 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions 4. If equipped with permanent, washable filter, clean filter by spraying b. Loosen setscrew holding blower wheel on motor shaft. cold tap water through filter in opposite direction of airflow. Rinse NOTE: Mark blower mounting arms and blower housing so each arm is filter and let dry.
- Page 65 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions b. Connect vent connector to vent elbow. WARNING 17. Turn on electrical supply. Manually close blower door switch. Check for proper rotation. If outdoor temperature is below 70_F ELECTRICAL SHOCK AND FIRE HAZARD (21_C), turn off circuit breaker to outdoor unit before running furnace in the cooling cycle.
- Page 66 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions Servicing Hot Surface Igniter 3. Align the edges of the one-piece burner with the slots in the burner assembly and slide the burners forward until they are fully seated in The igniter does NOT require annual inspection. Check igniter the burner assembly.
- Page 67 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions 11. Remove the relief tube from the port on the collector box and the 1. Check for signs of physical damage to heat tape such as nicks, cuts, trap. abrasions, gnawing by animals, etc.
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Page 68: Winterization
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions 5. Remove two screws attaching top filler plate and rotate upwards to CAUTION gain access to screws attaching burner assembly to cell panel. 6. Remove screws attaching burner assembly to cell panel. See UNIT COMPONENT DAMAGE HAZARD Fig. - Page 69 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions b. Igniter Warm-Up- At the end of the prepurge period, the BLWM will continue to operate at COOL speed. When the Hot-Surface igniter HSI is energized for a 17-sec igniter thermostat is satisfied, the blower motor BLWM will continue to warm-up period.
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Page 70: Troublshooting
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions TROUBLSHOOTING A221116 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. - Page 71 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions A221119 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
- Page 72 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions A221120 Fig. 72 – Troubleshooting Guide Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
- Page 73 59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions A230014 Fig. 73 – Gas Furnace Checklist 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
59SC6A: Installation, Start-up, Operating and Service and Maintenance Instructions PARTS REPLACEMENT INFORMATION GUIDE Casing Group Filter Group Blower door Filter(s) Bottom plate Media Cabinet (when used) Gas Control Group Control door Door knob assembly Burner Top filler plate Flame sensor...