Table of Contents
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59TP6B
Two---Stage Variable Speed ECM Multipoise
Condensing Gas Furnace
Installation, Start---up, Operating and
Service and Maintenance Instructions
NOTE: Read the entire instruction manual before starting the installation.
SECTIONS
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CONDENSATE DRAIN
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PARTS REPLACEMENT GUIDE
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 on the referenced subject, which is represented only by the standard in its entirety.
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Use of the AHRI Certified TM Mark indicates a
manufacturer's participation in the program.
For verification of certification for individual
products, go to www.ahridirectory.org .
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Loose Parts Bag Contents
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Filter Size Information
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Air Delivery CFM
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Combustion- -Air Vent Pipe, Fitting & Cement Material..
Hangar Spacing
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Maximum Allowable Exposed Vent Lengths Insulation
Altitude Derate Multiplier for U.S.A.
Blower Off Delay Setup Switch
Gas Rate
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Orifice Size and Manifold Pressure
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Related Manuals for Carrier 59TP6B
Summary of Contents for Carrier 59TP6B
- Page 1 59TP6B Two---Stage Variable Speed ECM Multipoise Condensing Gas Furnace Installation, Start---up, Operating and Service and Maintenance Instructions NOTE: Read the entire instruction manual before starting the installation. SECTIONS TABLES SAFETY CONSIDERATIONS ......
- Page 2 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. For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in part for residential purposes, including those owned or operated by the Commonwealth and where the side wall exhaust vent termination is less than seven (7) feet above finished grade in the area of the venting, including but not limited to decks and porches, the following requirements shall be satisfied:...
- Page 3 SAFETY CONSIDERATIONS Installing and servicing heating equipment can be hazardous due to gas and electrical components. Only trained and qualified personnel should install, repair, or service heating equipment. WARNING Untrained personnel can perform basic maintenance functions such as cleaning and replacing air filters. All other operations must be FIRE, EXPLOSION, ELECTRICAL SHOCK, AND performed by trained service personnel.
- Page 4 8. A gas- -fired furnace for installation in a residential garage This furnace is designed for minimum continuous return- -air must be installed as specified in the warning box in the temperature of 60_F (15_C) db or intermittent operation down to “Location”...
- Page 5 CODES AND STANDARDS ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS PROCEDURE Follow all national and local codes and standards in addition to these instructions. The installation must comply with CAUTION regulations of the serving gas supplier, local building, heating, plumbing, and other codes. In absence of local codes, the installation must comply with the national codes listed below and FURNACE RELIABILITY HAZARD all authorities having jurisdiction.
- Page 6 LOCATION wood flooring (refer to SAFETY CONSIDERATIONS). S be located close to the chimney or vent and attached to an air CAUTION distribution system. Refer to Air Ducts section. S be provided ample space for servicing and cleaning. Always comply with minimum fire protection clearances shown in PERSONAL INJURY AND/OR PROPERTY Table 1 or on the furnace clearance to combustible construction DAMAGE HAZARD...
- Page 7 THE BLOWER IS LOCATED BELOW THE BURNER SECTION, AND CONDITIONED AIR IS DISCHARGED UPWARD. THE BLOWER IS LOCATED TO THE RIGHT OF THE BURNER SECTION, AND CONDITIONED AIR IS DISCHARGED TO THE LEFT. THE BLOWER IS THE BLOWER IS LOCATED TO THE LEFT LOCATED ABOVE THE OF THE BURNER SECTION, BURNER SECTION, AND...
- Page 8 A180203 BOTTOM INLET SHIP WT. FURNACE SIZE CABINET WIDTH OUTLET WIDTH WIDTH AIR INTAKE LB (KG) 040V14--- 10 14--- 3/16 (361) 12--- 1/2 (319) 12--- 9/16 (322) 7--- 1/8 (181) 123 (55.8) 040V17--- 12 17--- 1/2 (445) 15--- 7/8 (403) 16 (406) 8--- 3/4 (222) 133 (60.3)
- Page 9 AIR FOR COMBUSTION AND WARNING VENTILATION Introduction CARBON MONOXIDE POISONING HAZARD Direct Vent (2- - pipe) Applications Failure to follow this warning could result in personal injury or death. When the furnace is installed as a direct vent (2-pipe) furnace, no special provisions for air for combustion are required.
- Page 10 Indoor Combustion AirE NFPA & AGA of the floor. The minimum dimension of air openings shall be at least 3 in. (80 mm). See Fig. 7. Standard and Known- - Air- - Infiltration Rate Methods c. Combining space on different floor levels. The volumes of Indoor air is permitted for combustion, ventilation, and dilution, if spaces on different floor levels shall be considered as com- the Standard or Known- -Air- -Infiltration Method is used.
- Page 11 Table 3 – Minimum Free Area Required for Each Combustion Air Opening or Duct to Outdoors TWO OPENINGS OR TWO HORIZONTAL DUCTS SINGLE DUCT OR OPENING VERTICAL DUCTS (1 SQ. IN./2,000 BTUH) (1 SQ. IN./3,000 BTUH) FURNACE (1 SQ. IN./4,000 BTUH) (1,100 SQ.
- Page 12 CONDENSATE TRAP NOTICE Condensate Trap - - Upflow Orientation When the furnace is installed in the upflow position, it is not The field- -supplied, accessory horizontal drain trap grommet is necessary to relocate the condensate trap or associated tubing. ONLY REQUIRED FOR DIRECT VENT APPLICATIONS. Refer to Fig.
- Page 13 Remove pressure switch tube from front pressure switch and discard. A new tube is shipped in the loose parts bag. Remove relief tube from relief Remove tube from relief port. port on condensate trap. Remove the screw that secures the trap to the collector box and remove trap.
- Page 14 Remove plug from If alternate vent position collector box. is required, loosen clamp DO NOT DISCARD. on inlet of vent elbow. Remove the screw that secures the trap to the collector box and remove trap. Unconverted Factory Configuration As Viewed in the Horizontal Right Orientation NOTE: Remove knockout in casing before re installing the condensate trap.
- Page 15 Remove the screw that secures the condensate trap to the collector box and remove trap. If alternate vent position is required, loosen clamp on vent elbow inlet. Remove relief tube from relief port on condensate trap. Remove front pressure switch tube and discard. A new tube is shipped in the Loose Parts bag.
- Page 16 CONDENSATE DRAIN CONNECTION Upflow/Downflow Orientation In the Upflow or Downflow orientation, the condensate trap is CAUTION inside the furnace casing. The condensate drain must be routed from the trap through the furnace casing. The condensate drain can be routed through the left or right side of the casing. (The left or FROZEN AND BURST WATER PIPE HAZARD right side is as you are viewing/facing the furnace from the front.) Failure to protect against the risk of freezing may result in...
- Page 17 the other side of the casing should be facing the front of the furnace. 11. Slide a spring clamp over the end of the remaining rubber drain elbow. 12. Attach the drain elbow to the angled end of Z-pipe and the drain trap outlet stub.
- Page 18 with local building codes. A factory- -supplied 1/2- -in. 10. Connect additional condensate piping to a code- -approved CPVC to 3/4- -in. PVC adapter is supplied in the loose parts drain, or to a condensate pump approved for use with acidic bag for use as required.
- Page 19 Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Evaporator Coil + + + Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä 3/4” PVC Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä...
- Page 20 INSTALL CLAMPS ON DRAIN TUBE ATTACH ELBOW TO ATTACH DRAIN TUBE TO CONDENSATE FORMED END CONDENSATE TRAP DRAIN TRAP OF GROMMET CUT FORMED END OFF PULL DRAIN STUB CONDENSATE DRAIN THROUGH CASING ELBOW CONNECT SHORT END OF ’Z’ PIPE TO MODIFIED DRAIN ELBOW FACTORY SUPPLIED 1/2 IN.
- Page 21 Return Air Connections 2. For each leg, install nut on bolt and then install bolt with nut in hole. (Install flat washer if desired.) WARNING 3. Install another nut on other side of furnace base. (Install flat washer if desired.) 4.
- Page 22 Bottom Return Air Inlet light assistance or a probe can be inserted for sampling the air stream. The cover attachment shall prevent leaks. These furnaces are shipped with bottom closure panel installed in Connect supply- -air duct to flanges on furnace supply- -air outlet. bottom return- -air opening.
- Page 23 Refer to the instructions supplied with Media Cabinet or accessory NOTICE air filter for assembly and other details. See Table 7 for filter size details. Design the duct system FIRST to determine how much Filter and Return Duct Sizing pressure drop may be allowed in the filter system. See the Air Pressure drop must be taken into account when sizing filters, filter Ducts section.
- Page 24 Table 6 – Filter Media Pressure Drop (Clean) Versus Face Velocity- - In. W.C. (Pa) Representative After-Market Filter Media* Factory-Accessory Face Velocity Washable Fiberglass* Pleated* (m/s) (1-in. / 2.5 cm) (1-in. / 2.5 cm) (2-in. / 5 cm) (1-in. / 2.5 cm) (2-in.
- Page 25 4-in. 21-in. Furnace Block Off 14-3/16 and 17-1/2-in. Plate Furnace 4-Ton or less, AC capacity airflow 1/2-in. Screws 20-in. Media Cabinet 16-in. Media Cabinet Media Cabinet Installation Media Cabinet Installation Option for Side Return 4-Ton or Less A/C Capacity 21- or 24-1/2-in. Furnace 21-in.
- Page 26 FURNACE FURNACE (OR COIL CASING WHEN USED) APPROVED COIL ASSEMBLY COIL BOX COMBUSTIBLE COMBUSTIBLE FLOORING FLOORING PLENUM OPENING DOWNFLOW SUBBASE SHEET METAL PLENUM FLOOR SHEET METAL PLENUM OPENING FLOOR FLOOR OPENING OPENING A10491 Fig. 21 - - Installation on Combustible Flooring Table 8 –...
- Page 27 UPFLOW DOWNFLOW HORIZONTAL PERFORATED DISCHARGE DUCT 90° 90° FLANGE 120° 120° 120° A10493 Fig. 22 - - Duct Flanges BOTTOM CLOSURE SCREWS (2) Representative drawing only, SCREWS (4) some models may vary in appearance. Lay furnace on the back or side BOTTOM PLATE Remove the two (2) screws that secure the bottom...
- Page 28 LEVEL 0-IN. (0 MM) TO 1/2-IN. (13 MM) MAX MIN 1/4-IN. (6 MM) TO 1/2-IN. (13 MM) MAX UPFLOW OR HORIZONTAL DOWNFLOW A11237 Fig. 25 - - Furnace Pitch Requirements A11037 Fig. 27 - - Downflow Return Air Configurations and Restrictions HORIZONTAL TOP RETURN NOT PERMITTED FOR...
- Page 29 COMBUSTION - AIR PIPE (SEE VENTING SECTION) 30 IN. (762 mm) MIN. WORK AREA 2-IN. (51 mm) ROLLOUT PROTECTION REQUIRED Install 12” x 22” (305x559 mm) sheet metal in front of burner compartment area. The sheet metal MUST extend underneath the furnace casing by 1-in. (25 mm) with the door removed.
- Page 30 AIR DUCTS NOTICE Many states, provinces and localities are considering or have implemented standards and/or restrictions on duct sizing practices, ductwork leakage, and/or ductwork thermal, airflow and electrical efficiencies. CONSULT LOCAL CODE OFFICIALS ductwork design performance requirements in your area. General Requirements The duct system should be designed and sized according to accepted national standards such as those published by: Air...
- Page 31 Table 9 – Cooling and Heating Air Delivery - - CFM (Bottom Return with Filter) (SW1---5 and SW4---3 set to OFF, except as indicated. See notes 1 and 2.) Unit Size: Clg/CF Switch settings External Static Pressure (ESP) 040V14--- 10 Clg Switches: SW2--- 8 SW2--- 7...
- Page 32 Table 9 - - Cooling and Heating Air Delivery - - CFM (Bottom Return with Filter) continued (SW1---5 and SW4---3 set to OFF, except as indicated. See notes 1 and 2.) Unit Size: Clg/CF Switch settings External Static Pressure (ESP) 060V14--- 12 Clg Switches: SW2--- 8...
- Page 33 Table 9 - - Cooling and Heating Air Delivery - - CFM (Bottom Return with Filter) continued (SW1---5 and SW4---3 set to OFF, except as indicated. See notes 1 and 2.) Unit Size: Clg/CF Switch settings External Static Pressure (ESP) 080V17--- 16 Clg Switches: SW2--- 8...
- Page 34 Table 9 - - Cooling and Heating Air Delivery - - CFM (Bottom Return with Filter) continued (SW1---5 and SW4---3 set to OFF, except as indicated. See notes 1 and 2.) Unit Size: Clg/CF Switch settings External Static Pressure (ESP) 100V21--- 20 Clg Switches: SW2--- 8...
- Page 35 Table 9 -- Cooling and Heating Air Delivery - - CFM (Bottom Return with Filter) - - NOTES 1. Nominal 350 CFM/ton cooling airflow is delivered with SW1 ---5 and SW4 ---3 set to OFF. Set both SW1 ---5 to ON for nominal 400CFM/ton (+15% airflow) Set SW4 ---3 to ON for nominal 325 CFM/ton ( ---7% airflow) Set both SW1 ---5 and SW4 ---3 to ON for nominal 370CFM/ton (+7% airflow) The above adjustments in airflow are subject to motor horsepower range/capacity...
- Page 36 If pressure exceeds 0.5 psig (14- -In. W.C.), gas supply pipe must be CAUTION disconnected from furnace and capped before and during supply pipe pressure test. If test pressure is equal to or less than 0.5 psig (14- -In. W.C.), turn off electric shutoff switch located on furnace FURNACE DAMAGE HAZARD gas control valve and accessible manual equipment shutoff valve Failure to follow this caution may result in furnace damage.
- Page 37 ELECTRICAL CONNECTIONS 115- -V Wiring Furnace must have a 115-v power supply properly connected and WARNING grounded. NOTE: Proper polarity must be maintained for 115-v wiring. If polarity is incorrect, control LED status indicator light will flash ELECTRICAL SHOCK, FIRE OR EXPLOSION rapidly and furnace will NOT operate.
- Page 38 J- -Box Installation The J- -Box cover, mounting bracket and screws are shipped in the loose parts bag included with the furnace. See Fig. 36 for J- -Box WARNING mounting locations. The J- -Box mounting bracket and green ground screw is used as a grounding point for all line voltage wiring options.
- Page 39 7. Install the green ground screw to the J- -Box bracket and operation. Use only AWG No. 18, color- -coded, copper thermostat attach both ground wires to the green ground screw. wire. 8. Connect any code required external disconnect(s) to field NOTE: Use AWG No.
- Page 40 Table 11 – Electrical Data MAXIMUM OPERATING VOLTAGE VOLTS--- MAXIMUM MINIMUM MAXIMUM FUSE OR RANGE* HERTZ--- UNIT UNIT WIRE SIZE WIRE LENGTH CKT BKR AMPACITY# FURNACE SIZE PHASE Maximum* Minimum* AMPS FT (M)} AMPS{ 040V14--- 10 115--- 60--- 1 (11.7) 040V17--- 12 115--- 60--- 1 (11.5)
- Page 41 A190044 Fig. 39 - - Example of Variable Speed Furnace Control...
- Page 42 THERMOSTAT THERMOSTAT See notes 2, 5, 7, 10, 11, 16, and 17 See notes 1, 2, 4, 6, 7, 9, 10, 11, 15, 16, and 17 Modulating and 2-Stage Furnace with Single-Speed Heat Pump Modulating and 2-Stage Furnace with Single-Speed Air Conditioner THERMOSTAT THERMOSTAT See notes 1, 2, 3, 4, 6, 8, 9, 10, 12, 13, 15, 16, and 17...
- Page 43 NOTES FOR THERMOSTAT WIRING DIAGRAMS 1. Heat pump MUST have a high pressure switch for HYBRID HEATr dual fuel applications. 2. Refer to outdoor equipment Installation Instructions for additional information and setup procedure. 3. If the heat pump date code is 1501E or earlier, select the “ZONE” position on the two speed heat pump control. Heat pumps with date code 1601E and later do not have or require a “ZONE”...
- Page 44 General WARNING If this furnace replaces a furnace that was connected to a vent system or chimney, the vent or vent connectors of other remaining CARBON MONOXIDE POISONING HAZARD appliances may need to be re- -sized. Vent systems or vent connectors of other appliances must be sized to the minimum size Failure to follow the steps outlined below for each appliance as determined using appropriate table found in the current edition...
- Page 45 Table 12 – Approved Combustion-Air and Vent Pipe, Fitting and Cement Materials (USA Installations) 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 or ULC S636 where required by code. 2.
- Page 46 Table 13 – Vent Termination Kit for Direct Vent (2- -pipe) Systems Approved Two- Pipe Termination Fittings Vent and Allowable 1 1/2--in. 2--in. 2 1/2--in. 3--in. 4--in. Combustion Air Concentric Vent (38 mm) (51 mm) (64 mm) (76--mm) (102 mm) Pipe Diameters 1 1/2--in.
- Page 47 prevailing winds. The roof location is preferred since the vent and Ventilated Combustion Air combustion air system is less susceptible to damage or The vent pipe for a Ventilated Combustion Air System must contamination. The termination is usually located away from terminate outdoors.
- Page 48 Length in Table 16 minus the number of fittings multiplied by the NOTICE deduction for each type of fitting used from Table 17. NOTICE ADDITIONAL INFORMATION FOR POLYPROPYLENE VENTING SYSTEMS OPTIONAL CONFIGURATION FOR COMBUSTION Polypropylene venting systems include flexible vent pipe. AIR INLET PIPE These flexible vent pipes have a different equivalent vent length than straight sections of PVC/ABS DWV vent pipe.
- Page 49 Total Equivalent Vent Length using the next smaller diameter. If 1. Loosen the clamp on the inlet of the vent elbow attached to the Maximum Equivalent Vent Length is still longer than the the inducer. longer TEVL of the vent pipe or combustion air pipe, then that 2.
- Page 50 Rotate vent elbow to required position. Any other unused knockout may be used for combustion air connection. Rotate vent elbow to required position. & UPFLOW LEFT CONFIGURATION DOWNFLOW LEFT CONFIGURATION A11309A A11311A Rotate vent elbow to required position. Any other unused Any other unused knockout may be used knockout may be used...
- Page 51 ALTERNATE COMBUSTION AIR CONNECTIONS HORIZONTAL LEFT ---VERTICAL VENT CONFIGURATION HORIZONTAL RIGHT ---VERTICAL VENT CONFIGURATION A11327A A11337 Alternate combustion air connection. Rotate vent elbow to required position. Vent Pipe Requires Internal Vent Kit See Product Data for Current Kit Number HORIZONTAL RIGHT ---LEFT VENT CONFIGURATION HORIZONAL LEFT ---LEFT VENT CONFIGURATION A11328A A11336...
- Page 52 NOTES FOR VENTING OPTIONS 1. Attach vent pipe adapter with gasket to furnace casing. 2. Align notches in rubber coupling over standoffs on adapter. Slide clamps over the coupling. 3. Slide vent pipe through adapter and coupling into vent elbow. 4.
- Page 53 Slope vent pipe back to the furnace at least ¼” per foot Use 45 deg. Elbows where Avoid short horizontal offsets with 90 possible, to ensure conden- deg. Elbows. Short offsets can be sate drainage. difficult to slope and may trap con- densate.
- Page 54 mm) per linear ft.(1-in (25 mm) per 4 ft.(1.2 M)) with no 8. Slide the adapter over the vent pipe and align the screw sags between hangers is required. See Caution Box below. holes in the adapter with the dimples in the furnace casing. 9.
- Page 55 Installing the Vent Termination 2. Loosely assemble concentric vent/combustion air termina- tion components together using instructions in kit. Roof Terminations 3. Slide assembled kit with rain shield REMOVED through A roof termination of any type will require a 4-in. (102 mm) hole.
- Page 56 Table 15 – Maximum Allowable Exposed Vent Lengths in Unconditioned Space Insulation Table - - Ft. / M 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. 1 ½ 2 ½ 1 ½...
- Page 57 NOTE: Maximum Equivalent Vent Length (MEVL) includes standard and concentric vent termination and does NOT include elbows. Use Table 17 - Deductions from Maximum Equivalent Vent Length to determine allowable vent length for each application. Table 16 – Maximum Equivalent Vent Length - - Ft. Unit Size 40,000 60,000...
- Page 58 Venting System Length Calculations The Total Equivalent Vent Length (TEVL) for EACH combustion air or vent pipe equals the length of the venting system, plus the equivalent length of elbows used in the venting system from Table 17. Standard vent terminations or factory accessory concentric vent terminations count for zero deduction. See vent system manufacturer’s data for equivalent lengths of flexible vent pipe or other termination systems.
- Page 59 A190032 Fig. 51 - - Inside Corner Termination Inside Corner Terminations Inside corner vent terminations are permitted provided that: S 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 60 A12326 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. (1 ) (2 ) Canadian Installations U.S. Installations Item Clearance Description (per CAN/CSA B149.1) (per ANSI Z223.1/NFPA 54) Clearance above grade, veranda, porch, deck, balcony...
- Page 61 A12325 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. (1 ) (2 ) Canadian Installations U.S. Installations Item Clearance Description (per CAN/CSA B149.1) (per ANSI Z223.1/NFPA 54) Clearance above grade, veranda, porch, deck, balcony or...
- Page 62 ¾ in. (222mm) for 3 in. (76mm) ¾ in. (172mm) for 2 in. (51mm) 12 in. (305mm) min. separation between bottom of combustion air and bottom of vent (Typ.) A13305 Fig. 54 - - Combustion Air and Vent Pipe Termination for Direct Vent (2- -Pipe) System Roof Termination (Preferred) Vent Maintain 12 in...
- Page 63 OPTIONAL TERMINATION BRACKET FOR 2-PIPE TERMINATIONS OPTIONAL 12 IN. (305 MM) MIN. BRACKET SEPARATION BETWEEN COUPLING BOTTOM OFCOMBUSTION 12 IN. (305 MM) MIN. SEPARATION AIR AND BOTTOM OF VENT. BETWEEN BOTTOM OF COMBUSTION AIR AND BOTTOM OF VENT. MAINTAIN 12 IN. (305 MM) CLEARANCE ABOVE HIGHEST ANTICIPATED 12-IN.
- Page 64 Ventilated Combustion Air intake pipe Pipe hangar 3” (76 mm) 12” (305 mm) Ventilated Combustion Air intake termination in crawl space CRAWL SPACE highest level of insulation ATTIC A10497 Fig. 57 - - Vent Terminations for Ventilated Combustion Air...
- Page 65 EXAMPLE FOR UPFLOW INSTALLATIONS. MAY BE APPLIED TO OTHER CONFIGURATIONS. A12220 Fig. 58 - - Sample Inlet Air Pipe Connection for Polypropylene Venting Systems TO CODE- - APPROVED DRAIN OR CONDENSATE PUMP Recommend “T” fitting with 4--inch minimum height standpipe (A) of same diameter or larger extending upward. Dry Well Dry Well (water tight...
- Page 66 START- - UP, ADJUSTMENT, AND SAFETY setup switch configurations. To set these setup switches for the appropriate requirement: CHECK 1. Remove blower door. NOTICE 2. Locate setup switches on furnace control. 3. Configure the setup switches as necessary for the application.
- Page 67 Adjustments CAUTION WARNING UNIT OPERATION HAZARD Failure to follow this caution may result in intermittent unit FIRE HAZARD operation or performance satisfaction. Failure to follow this warning could result in personal Condensate trap must be PRIMED or proper draining may injury, death and/or property damage.
- Page 68 In the USA, the input rating for altitudes above 2000 ft. (609.6M) 2. Loosen set screw on inlet pressure tap no more than one full must be reduced by 2 percent for each 1000 ft. (304.8M) above sea turn with a 3/32- -in. hex wrench or remove the 1/8 in. NPT level.
- Page 69 j. Move setup switch SW1- -2 to OFF position after complet- e of Step 1 until correct low- -heat input is achieved. Re- -in- ing low- -heat adjustment. stall low heat regulator seal cap on gas valve. k. Leave manometer or similar device connected and proceed i.
- Page 70 operation. The mode of operation is based on the position of Setup Descriptions. Depending on the model size, the cooling airflow can be adjusted from 1.5 to 6 tons based on 350 CFM per ton. Switch SW1- -2 on the furnace control board. NOTE: 6 ton airflow will truncate at 2200 CFM on applicable 3.
- Page 71 b. Remove thermostat from subbase or from wall. b. Disconnect inducer motor lead wires from wire harness. c. Connect an amp. meter as shown in Fig. 63 across the R c. Turn on 115- -v power to furnace. and W subbase terminals or R and W wires at wall. d.
- Page 72 A190070 Fig. 64 - - Service Label Information...
- Page 73 A190048 Fig. 65 - - Furnace Setup Switch Description 1. Default A/C airflow when A/C setup switches are in OFF position. 2. Default Low ---Stage A/C airflow when CF switches are in OFF position A190148 Fig. 66 - - Airflow Selection (based on 350 CFM/TON) for A/C (SW2- -6, 7, 8) and *CF (SW2- -3, 4, 5)
- Page 74 Table 18 – Altitude Derate Multiplier for USA Table 19 – Blower Off Delay Setup Switch PERCENT DERATE SETUP SWITCH ALTITUDE MULTIPLIER (SW1---7 AND ---8) DESIRED HEATING MODE DERATE FACTOR* POSITION BLOWER OFF DELAY (SEC.) 0–2000 0---610 1.00 SW1--- 7 SW1--- 8 2001–3000 610---914...
- Page 75 Table 21 – Orifice Size and Manifold Pressure (In. W.C.) for Gas Input Rate TWO-STAGE FURNACE (TABULATED DATA BASED ON 20,000 BTUH HIGH-HEAT / 13,000 BTUH LOW-HEAT PER BURNER, DERATED 2%/1000 FT (305M) ABOVE SEA LEVEL) ALTITUDE RANGE HEAT VALUE 0.58 0.60 0.62...
- Page 76 Table 21 - - Orifice Size and Manifold Pressure (In. W.C.) for Gas Input Rate (Continued) TWO-STAGE FURNACE (TABULATED DATA BASED ON 20,000 BTUH HIGH-HEAT / 13,000 BTUH LOW-HEAT PER BURNER, DERATED 2%/1000 FT (305M) ABOVE SEA LEVEL) ALTITUDE RANGE HEAT VALUE 0.58 0.60...
- Page 77 SERVICE AND MAINTENANCE Electrical Controls and Wiring PROCEDURES Each pressure switch is labeled with the reference location (noted as “COLLECTOR BOX- -LPS” or “HOUSING- -HPS” on the Untrained personnel can perform basic maintenance functions such switch). The nominal break point of each switch is shown on the as cleaning and replacing air filters.
- Page 78 b. Look into blower door indicator for current LED status. Care and Maintenance c. Remove blower door. WARNING NOTE: The Status Codes cannot be retrieved by disconnecting the limit switch. To retrieve Status Codes, follow the procedure below. FIRE OR EXPLOSION HAZARD 2.
- Page 79 4. Inspect burner compartment before each heating season for 1. Turn off electrical supply to furnace. rust, corrosion, soot or excessive dust. If necessary, have 2. Remove filter cabinet door. furnace and burner serviced by a qualified service agency. 3. Slide filter out of cabinet. 5.
- Page 80 5. Remove screws securing blower assembly to blower shelf GROMMET MOTOR SHAFT FLAT and slide blower assembly out of furnace. Detach ground MOTOR ARM SCREW wire and disconnect blower motor harness plugs from blow- er motor. NOTE: Blower wheel is fragile. Use care. SET SCREW MOTOR WHEEL HUB 6.
- Page 81 b. Connect vent connector to vent elbow. 3. Remove control door and set aside. 17. Turn on electrical supply. Manually close blower door 4. Turn electric switch on gas valve to OFF. switch. Use a piece of tape to hold switch closed. Check for 5.
- Page 82 a. Using an ohm meter, check resistance across both igniter WARNING leads in connector. b. Cold reading should be between 40 ohms and 70 ohms. FIRE OR EXPLOSION HAZARD 5. Remove igniter assembly. Failure to follow this warning could result in personal injury a.
- Page 83 gasket is included in the service kit or obtain one from your local Cleaning Heat Exchangers distributor. The following items must be performed by a qualified service 1. Disconnect power at external disconnect, fuse or circuit technician. breaker. Primary Heat Exchangers 2.
- Page 84 WINTERIZATION 3. Disconnect wires or connectors to flame rollout switch, gas valve, igniter, and flame sensor. CAUTION 4. Using backup wrench, disconnect gas supply pipe from fur- nace gas control valve. 5. Remove two screws attaching top filler plate and rotate up- UNIT AND PROPERTY DAMAGE HAZARD wards to gain access to screws attaching burner assembly to Failure to follow this caution may result in unit component or...
- Page 85 SEQUENCE OF OPERATION after the low- -heat pressure switch LPS closes. If the high- -heat pressure switch HPS fails to close NOTE: Furnace control must be grounded for proper operation or and the low- -heat pressure switch LPS closes, the else control will lock out.
- Page 86 heat airflow for 90, 120, 150, or 180 seconds (depending the length of previous cooling period of the single- -stage on selection at blower- -OFF delay switches). The furnace thermostat. control CPU is factory- -set for a 120- -second blower- -OFF NOTE: The air conditioning relay disable jumper ACRDJ must delay.
- Page 87 4. Dehumidification Mode the thermostat is satisfied, the blower motor BLWM will op- See Fig. 39 and 40 for thermostat connections. erate an additional 90 seconds at high- -cooling airflow be- The dehumidification output, D or DHUM on the Ther- fore transitioning back to continuous- -blower airflow.
- Page 88 A113325A Fig. 72 - - Troubleshooting Guide...
- Page 89 A113325B Troubleshooting Guide (Continued)
- Page 90 A190072 Fig. 73 - - Wiring Diagram...
- Page 91 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 COOLING HEATING...
- Page 92 Catalog No:59TP6B---01SI Copyright 2019 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231 Edition Date: 04/19 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. Replaces: NEW...