Carrier 59TP6A Installation, Start-Up, Operating And Service And Maintenance Instructions
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Carrier 59TP6A Installation, Start-Up, Operating And Service And Maintenance Instructions

Two---stage variable speed ecm multipoise condensing gas furnace series 1
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59TP6A
Two---Stage Variable Speed ECM Multipoise
Condensing Gas Furnace
Series 1
Installation, Start---up, Operating and
Service and Maintenance Instructions
NOTE: Read the entire instruction manual before starting the
installation.
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ACCESSORIES
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LOCATION
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Upflow
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Downflow
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Horizontal
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INSTALLATION
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Upflow
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Downflow
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Horizontal
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24- -V Wiring
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Accessories
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Locating Vent Termination
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Select Setup Switch Positions
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PARTS REPLACEMENT GUIDE
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Loose Parts Bag Contents
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Filter Size Information
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Combustion- -Air Vent Pipe, Fitting & Cement Material..
Maximum Allowable Exposed Vent Lengths Insulation
Deductions from Maximum Equivalent Vent Length
Altitude Derate Multiplier for U.S.A.
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Use of the AHRI Certified
manufacturer's participation in the program. For
verification of certification for individual products,
go to www.ahridirectory.org.
Portions of the text and tables are reprinted from NFPA 54/ANSI
Z223.1- -2012E, 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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  • Page 1: Table Of Contents

    59TP6A Two---Stage Variable Speed ECM Multipoise Condensing Gas Furnace Series 1 Installation, Start---up, Operating and Service and Maintenance Instructions NOTE: Read the entire instruction manual before starting the Checklist ........
  • 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

    SAFETY CONSIDERATIONS CAUTION WARNING CUT HAZARD Failure to follow this caution may result in personal injury. FIRE, EXPLOSION, ELECTRICAL SHOCK, AND CARBON MONOXIDE POISONING HAZARD Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing, safety glasses and Failure to follow this warning could result in dangerous gloves when handling parts, and servicing furnaces.

  • Page 4: Codes And Standards

    13. These furnaces SHALL NOT be installed directly on carpet- S CANADA: National Standard of Canada, Natural Gas and ing, combustible tile, or any other combustible material oth- Propane Installation Code (NSCNGPIC) CAN/CSA er than wood flooring. In downflow installations, factory B149.1- -2010 accessory floor base MUST be used when installed on com- General Installation...
  • Page 5 LOCATION 1. Disconnect all power to the furnace. Multiple disconnects may be required. DO NOT TOUCH THE CONTROL CAUTION OR ANY WIRE CONNECTED TO THE CONTROL PRIOR DISCHARGING YOUR BODY’S ELECTROSTATIC CHARGE TO GROUND. PERSONAL INJURY AND/OR PROPERTY 2. Firmly touch the clean, unpainted, metal surface of the fur- DAMAGE HAZARD nace chassis which is close to the control.
  • Page 6 General WARNING These furnaces are shipped with materials to assist in proper furnace installation. These materials are shipped in the main FIRE, INJURY OR DEATH HAZARD blower compartment. See Table 1 for loose parts bag contents. Failure to follow this warning could result in personal This furnace must: injury, death and/or property damage.

  • Page 7: Minimum Clearances To Combustible Materials

    Table 1 – Factory- -Supplied Installation Parts DESCRIPTION QUANTITY Outlet Choke Plate (provided with 40K BTUH furnaces only; see Note) Air Intake Pipe Flange Vent Pipe Flange Pipe Flange Gaskets Sharp Tip Screws (Vent and Inlet Flanges) Vent Pipe Coupling Vent Pipe Coupling Clamps Pressure Switch Tube Rubber Drain Elbow...
  • Page 8 A12267 59TP6A SHIP WT. FURNACE SIZE LB (KG) CABINET WIDTH OUTLET WIDTH BOTTOM INLET WIDTH AIR INTAKE 040--- 10 121.0 (55.0) 14--- 3/16 (361) 12--- 1/2 (319) 12--- 9/16 (322) 7--- 1/8 (181) 040--- 12 130.5 (59.2) 060--- 12 131.5 (59.6)
  • Page 9 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 10: Air For Combustion And Ventilation

    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 11 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 12: Minimum Free Area Required

    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 13: Condensate Trap

    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 14 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 15 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 16 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 17: Condensate Drain

    CONDENSATE DRAIN CONNECTION the condensate trap. Read the steps thoroughly to familiarize yourself with the required steps. CAUTION For Right Side Condensate Drain: 1. Remove the 7/8- -in. knock- -out from the right side of the casing. See Fig. 12 for suggested knockout removal tech- FROZEN AND BURST WATER PIPE HAZARD nique.
  • Page 18 removed to ease installation in upflow applications, this step 2. To allow for servicing the trap, the condensate drain elbow is not needed.) in the loose parts bag can be used to make a coupler to allow for future service of the condensate trap and drain 7.
  • Page 19 NOTE: Trap grommet is required only for direct-vent applications. Remove knockout. Install grommet before relocating condensate trap. A13364 A11582 Fig. 13 - - Example of Field Drain Attachment Fig. 16 - - Horizontal Drain Trap Grommet INSTALL CLAMPS ON DRAIN TUBE ATTACH DRAIN TUBE TO CONDENSATE DRAIN TRAP PULL DRAIN STUB...

  • Page 20: Installation

    INSTALLATION Leveling Legs (If Desired) In upflow position with side return inlet(s), leveling legs may be NOTICE used. See Fig. 21. Install field- -supplied, 5/16 x 1- -1/2 in. (8 x 38 mm) (max) corrosion- -resistant machine bolts, washers and nuts. NOTE: Bottom closure must be used when leveling legs are used.

  • Page 21: Filter Arrangement

    Return Air Connections Suspended Furnace Support The furnace must be supported under the entire length of the WARNING furnace with threaded rod and angle iron. See Fig. 28. Secure angle iron to bottom of furnace as shown. Roll- - Out Protection FIRE HAZARD Provide a minimum 12- -in.
  • Page 22 There are no provisions for an internal filter rack in these furnaces. An external filter is required. This furnace may use an optional Media Filter Cabinet available from your local distributor. The Media Filter Cabinet uses either a standard 1-inch (25 mm) filter or 4-inch (102 mm) wide Media Filter which can be purchased separately.
  • Page 23 Table 5 – Filter Media Pressure Drop (Clean) Versus Airflow - - In. W.C. (Pa) Representative After-Market Filter Media* 14 x 25 Filter Factory-Accessory Factory-Accessory (356 x 635 mm) Washable Media* Fiberglass* Pleated* (1-in. / 2.5 cm) (4-in. / 10 cm) (1-in.
  • Page 24 Table 7 – Air Filter Selection and Duct Sizing - - In. (mm) FILTER SIZE FURNACE CASING WIDTH FILTER TYPE SIDE RETURN BOTTOM RETURN 16 x 25 x 3/4 14 x 25 x 3/4 14---3/16 (360)** Washable* (406 x 635 x 19) (356 x 635 x 19) 16 x 25 x 3/4 16 x 25 x 3/4...
  • 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. 21-in.

  • Page 26: Opening Dimensions

    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. 19 - - Installation on Combustible Flooring Table 8 –...
  • Page 27 UPFLOW DOWNFLOW HORIZONTAL PERFORATED DISCHARGE DUCT 90° 90° FLANGE 120° 120° 120° A10493 Fig. 20 - - Duct Flanges 5/ 16  (8mm) (8mm) 5/ 16   (44mm)  (44mm) (8mm)  BOTTOM CLOSURE PANEL (8mm) 5/ 16  (44mm) 3/ 4 ...
  • Page 28 ANY COMBINATION OF 1, 2, OR 3 PERMITTED. A11036 A11037 Fig. 24 - - Upflow Return Air Configurations and Restrictions Fig. 25 - - Downflow Return Air Configurations and Restrictions HORIZONTAL TOP RETURN NOT PERMITTED FOR ANY MODEL A11038 Fig. 26 - - Horizontal Return Air Configurations and Restrictions...
  • 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” (305 x 559 mm) sheet metal in front of burner compartment area. A11154 Fig. 27 - - Working Platform for Attic Installation NOTE: Local codes may require a drain pan and condensate trap when a condensing furnace is installed over a finished ceiling.

  • Page 30: Air Ducts

    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: Air Delivery Cfm

    Table 9 – Cooling and Heating Air Delivery - - CFM (Bottom Return with Filter) (SW1-5 and SW2---2 set to OFF, except as indicated. See notes 1 and 2) Cooling Switch Settings External Static Pressure (ESP) Unit Size SW2-8 SW2-7 SW2-6 1.030 040---10...
  • Page 32 Table 9 --- Cooling and Heating Air Delivery - - CFM (Bottom Return with Filter) (Con’t) Cooling Switch Settings External Static Pressure (ESP) Unit Size SW2-8 SW2-7 SW2-6 060---14 Clg Default: 1330 1295 1260 1220 1190 1150 1110 1075 1045 1005 See note 4 See note 4...
  • Page 33 Table 9 --- Cooling and Heating Air Delivery - - CFM (Bottom Return with Filter) (Con’t) Cooling Switch Settings External Static Pressure (ESP) Unit Size SW2-8 SW2-7 SW2-6 100- - 20 Clg Default: 1890 1845 1800 1755 1700 1655 1610 1560 1510 1460...

  • Page 34: Gas Piping

    GAS PIPING WARNING WARNING FIRE OR EXPLOSION HAZARD A failure to follow this warning could result in personal FIRE OR EXPLOSION HAZARD injury, death, and/or property damage. Failure to follow this warning could result in personal If local codes allow the use of a flexible gas appliance injury, death, and/or property damage.

  • Page 35: Electrical Connections

    ELECTRICAL CONNECTIONS Table 10 – Maximum Capacity of Pipe NOMINAL LENGTH OF PIPE --- FT (M) IRON PIPE WARNING SIZE (3.0) (6.0) (9.1) (12.1) (15.2) IN. (MM) 1/2 (13) ELECTRICAL SHOCK, FIRE OR EXPLOSION 3/4 (19) HAZARD 1 ( 25) Failure to follow safety warnings could result in 1-1/4 (32) 1400...

  • Page 36: J- -Box Installation

    115- -V Wiring 1. Fasten a field-supplied external electrical box to the outside of the casing by driving two field-supplied screws from in- Furnace must have a 115-v power supply properly connected and side electrical box into casing. See Fig. 32. grounded.

  • Page 37: Alternate Power Supplies

    operation. Use only AWG No. 18, color- -coded, copper thermostat wire. NOTE: Use AWG No. 18 color-coded copper thermostat wire for lengths up to 100 ft. (30 M). For wire lengths over 100 ft., use AWG No. 16 wire. The 24- -v circuit contains an automotive- -type, 3- -amp. fuse located on the control.

  • Page 38: Electrical Data

    Table 11 – Electrical Data UNIT SIZE VOLTS--- OPERATING VOLTAGE MAXIMUM UNIT MINIMUM MAXIMUM MAXIMUM HERTZ--- UNIT AMPACITY# WIRE WIRE FUSE OR CKT RANGE* PHASE AMPS SIZE LENGTH Maximum* Minimum* FT (M)} AMPS{ 040---10 115--- 60--- 1 10.3 36 (11.0) 040---12 115--- 60--- 1 10.2...
  • Page 39 To HUM Terminal On To Humidifier Leads Furnace Control Board 24 V Coil To Humidifier Leads To Com/24V Screw Terminal on Thermostat Strip A11157 Fig. 33 - - Field- -supplied Isolation Relay for Humidifiers with Internal Power Supply W/W1 Y/Y2 A11401 Fig.
  • Page 40 MODEL PLUG AIR CONDITIONING (A/C) & SW1 SETUP OUTDOOR HUMIDIFIER CONNECTOR CONTINUOUS FAN (CF) SWITCHES AND AIR TEMP TERMINAL (24-VAC AIRFLOW SETUP SWITCHES BLOWER OFF- CONNECTOR 0.5 AMP MAX). ACRDJ – AIR DELAY CONDITIONING RELAY DISABLE JUMPER COMMUNICATION CONNECTOR 24-V THERMOSTAT TERMINALS FLASH UPGRADE...
  • Page 41 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 42: Special Venting Requirements For Installations In Canada

    NOTES FOR THERMOSTAT WIRING DIAGRAMS 1. Heat pump MUST have a high pressure switch for 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 43: Venting Systems

    Other gas appliances with their own venting system may also use WARNING the abandoned chimney as a raceway providing it is permitted by local code, the current edition of the National Fuel Gas Code, and the vent or liner manufacturer’s installation instructions. Care must CARBON MONOXIDE POISONING HAZARD be taken to prevent the exhaust gases from one appliance from Failure to follow the steps outlined below for each appliance...

  • Page 44: Vent Termination Kit For Direct Vent (2- -Pipe) Systems

    Table 12 – Vent Termination Kit for Direct Vent (2- -pipe) NOTICE Systems DIAMETER OF DIRECT VENT TERMINATION COMBUSTION AIR (2--- PIPE) OPTIONAL VENTING BELOW THE FURNACE SYSTEM AND VENT PIPES --- TERMINATION KIT IN. (mm) The venting system may be positioned below the furnace 2 ---in.

  • Page 45: Size The Vent And Combustion Air Pipes

    Non-Direct Vent / 1-Pipe System NOTICE The vent pipe for a Non Direct Vent (1- -pipe) system must terminate outdoors. See Fig. 47 for references to vent clearances RECOMMENDED SUPPORT FOR required by National Code authorities. Allowable vent VENT TERMINATIONS terminations are shown in Fig.

  • Page 46: Combustion Air And Vent Piping Insulation Guidelines

    Length in Table 15 or 17, minus the number of fittings multiplied Venting Tables for elbows and flexible vent pipe. Factory by the deduction for each type of fitting used from Table 16. accessory concentric vent terminations or pipe lengths and elbows used for “standard”...

  • Page 47: Configure The Furnace

    Installing the Vent Pipe Adapter and Combustion Air The vent pipe may pass through unconditioned areas. The amount of exposed pipe allowed is shown in Table 14. Pipe Adapter 1. Using winter design temperature (used in load calculations), WARNING find appropriate temperature for your application and fur- nace model.

  • Page 48: Installing The Vent Termination

    3. Chamfer outside edge of pipe for better distribution of 6. Tighten the clamp around the outlet of the vent elbow. primer and cement. Torque the clamp to 15 lb- -in. 4. Clean and dry all surfaces to be joined. 7.
  • Page 49 NOTE: Do not allow insulation or other materials to accumulate guidelines provided in section “Locating The Vent Termination” in inside of pipe assembly when installing it through hole. this instruction. Disassemble loose pipe fittings. Clean and cement using same 1. Cut two holes, one for each pipe, of appropriate size for procedures as used for system piping.
  • Page 50 Table 13 – Approved Combustion-Air and Vent Pipe, Fitting and Cement Materials (USA Installations) ASTM SPECIFICATION SOLVENT CEMENT MATERIAL PIPE FITTINGS DESCRIPTION (MARKED ON MATERIAL) AND PRIMERS D1527 Pipe — — Schedule--- 40 D1785 Pipe — — Schedule--- 40 D2235 For ABS —...
  • Page 51 Table 14 – Maximum Allowable Exposed Vent Lengths Insulation Table - - Ft. / M No Insulation 3/8-in. (9.5 mm) 1/2-in. (12.7 mm) Two Stage Pipe Pipe Diameter-inches (mm) Pipe Diameter-inches (mm) Pipe Diameter-inches (mm) Winter Design Furnace High Length in Temp °...
  • Page 52 NOTE: Maximum Equivalent Vent Length (MEVL) includes standard and concentric vent termination and does NOT include elbows. Use Table 16 - Deductions from Maximum Equivalent Vent Length to determine allowable vent length for each application. Table 15 – Maximum Equivalent Vent Length - - Ft. (M) 0 to 4500 Ft.

  • Page 53: Venting System Length Calculations

    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 16. 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 54 NOTE: Maximum Equivalent Vent Length (MEVL) includes standard and concentric vent termination and does NOT include elbows. Use Table 16 - Deductions from Maximum Equivalent Vent Length to determine allowable vent length for each application. Table 17 – Maximum Equivalent Vent Length - - Ft. (M) 4501 to 10,000 Ft.
  • Page 55 Attach gaskets to vent pipe and Vent Coupling and Adapter combustion air adapters. A13074 Fig. 37 - - Vent Coupling and Adapter with Gaskets INDUCER OUTLET VENT ELBOW CLAMP TORQUE 15 LB-IN. VENT PIPE CLAMP TORQUE 15 LB-IN. PSC INDUCER ASSEMBLY VENT ELBOW INDUCER OUTLET CHOKE 40,000 BTUH MODELS WITH...
  • Page 56 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 57 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 58 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 59 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 60 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 61 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. 48 - - Combustion Air and Vent Pipe Termination for Direct Vent (2- -Pipe) System Roof Termination (Preferred) Vent Maintain 12 in...
  • Page 62 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 63 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. 51 - - Vent Terminations for Ventilated Combustion Air...
  • Page 64 EXAMPLE FOR UPFLOW INSTALLATIONS. MAY BE APPLIED TO OTHER CONFIGURATIONS. A12220 Fig. 52 - - Sample Inlet Air Pipe Connection for Polypropylene Venting Systems TO CODE APPROVED DRAIN OR CONDENSATE PUMP Representative drawing only, some models may vary in appearance L12F028 Fig.

  • Page 65: Start- -Up, Adjustment, And Safety Check

    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. Important Installation and Start- -up Procedures 4.

  • Page 66: Purge Gas Lines

    CAUTION CAUTION UNIT OPERATION HAZARD FURNACE DAMAGE HAZARD Failure to follow this caution may result in intermittent unit Failure to follow this caution may result in reduced furnace operation or performance satisfaction. life. Condensate trap must be PRIMED or proper draining may DO NOT redrill orifices.

  • Page 67: Adjustments

    point of intersection to find orifice size and low- -and high- - WARNING heat manifold pressure settings for proper operation. 5. Check and verify burner orifice size in furnace. NEVER ASSUME ORIFICE SIZE. ALWAYS CHECK AND FIRE HAZARD VERIFY. Failure to follow this warning could result in personal injury, death, and/or property damage.
  • Page 68 c. When correct input is obtained, replace caps that conceal CAUTION gas valve regulator adjustment screws. Main burner flame should be clear blue, almost transparent See Fig. 63. d. Remove jumpers R to W/W1 and R to W2. FURNACE DAMAGE HAZARD 3.

  • Page 69: Check Safety Controls

    If the temperature rise is too high or too low in high heat: NOTE: When the furnace is used with a 2-speed cooling or heat pump unit, adjust the Continuous Fan CFM Setup switches SW2 1. Remove jumpers from R and W/W1 and W2. to match the airflow required for low-speed cooling.

  • Page 70: Checklist

    Checklist 1. Put away tools and instruments. Clean up debris. 2. Verify that switches SW1- -1 and SW1- -6 are OFF and other setup switches are set as desired. Verify that switches SW1- -7 and SW1- -8 for the blower OFF DELAY are set as desired per Table 19.
  • Page 71 A14317 Fig. 57 - - Service Label Information...

  • Page 72: Furnace Setup Switch Description

    Furnace Setup Switch Description SET UP NORMAL SW IT CH NAME DESCRIPT ION OF USE SW IT CH POSIT ION Turn ON to retrieve up to 7 stored status codes for SW1 -1 Status Code Recovery troubleshooting assistance when R thermostat lead is disconnected.

  • Page 73: Blower Off Delay Setup Switch

    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 74: Orifice Size And Manifold Pressure

    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 75 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 76: Service And Maintenance Procedures

    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 77 Care and Maintenance c. Remove blower door. NOTE: The Status Codes cannot be retrieved by disconnecting WARNING the limit switch. To retrieve Status Codes, follow the procedure below. 2. Turn Setup Switch, SW1- -1 “ON.” FIRE OR EXPLOSION HAZARD 3. Manually close blower door switch. Failure to follow this warning could result in personal injury, death and/or property damage.
  • Page 78 4. Inspect burner compartment before each heating season for The following items should be performed by a qualified service rust, corrosion, soot or excessive dust. If necessary, have technician. Clean blower motor and wheel as follows: furnace and burner serviced by a qualified service agency. 1.
  • Page 79 15. Reconnect blower leads to furnace control. Refer to furnace 2. Turn off gas at external shut-off or gas meter. wiring diagram, and connect thermostat leads if previously 3. Remove control door and set aside. disconnected. 4. Turn electric switch on gas valve to OFF. NOTE: Be sure to attach ground wire and reconnect blower 5.
  • Page 80 1. Turn off gas and electrical supplies to furnace. WARNING 2. Remove control door. 3. Disconnect pressure switch tube from pressure switch port. FIRE OR EXPLOSION HAZARD NOTE: Ensure the pressure switch tube disconnected from the Failure to follow this warning could result in personal injury pressure switch is higher than the collector box opening or water death, and/or property damage.

  • Page 81: Cleaning Heat Exchangers

    6. Connect condensate drain elbow or drain extension elbow WARNING to the condensate trap 7. Connect the leads of the condensate heat pad (if used) ELECTRICAL SHOCK AND FIRE HAZARD 8. Connect external drain piping to the condensate drain elbow or drain extension pipe.
  • Page 82 WINTERIZATION CAUTION UNIT AND PROPERTY DAMAGE HAZARD Failure to follow this caution may result in unit component or property damage. 1-1/4-in. If the furnace is installed in an unconditioned space where the (31.8) ambient temperatures may be 32_ F (0_ C) or lower, freeze 2-1/2-in.

  • Page 83: Burner Flame

    A11273 Fig. 62 - - Cleaning Heat Exchanger Cell Burner Flame Burner Manifold A89020 Fig. 63 - - Burner Flame...
  • Page 84 GROMMET MOTOR SHAFT FLAT MOTOR ARM SCREW SET SCREW MOTOR WHEEL HUB SEE DETAIL SCREW LOCATION BLOWER HSG ASSY BRACKET BRACKET ENGAGEMENT DETAIL CUTOFF, BLOWER WHEEL, BLOWER BLOWER HSG ASSY BRACKET CAPACITOR OR POWER CHOKE (WHEN USED) MOTOR, BLOWER SCREW (GND) A11584 Fig.

  • Page 85: Sequence Of Operation

    SEQUENCE OF OPERATION prepurge period after the low- -heat pressure switch LPS closes. If the high- -heat pressure switch HPS NOTE: Furnace control must be grounded for proper operation or fails to close and the low- -heat pressure switch LPS else control will lock out.
  • Page 86 heat airflow for 90, 120, 150, or 180 seconds (depending of 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 operate an additional 90 seconds at high- -cooling airflow See Fig. 35 and 36 for thermostat connections. before transitioning back to continuous- -blower airflow. The dehumidification output, D or DHUM on the Ther- When the R- -to- -G circuit is opened, the blower motor midistat should be connected to the furnace control thermo- BLWM will continue operating for an additional 5 seconds, stat terminal DHUM.
  • Page 88 A113325A Fig. 66 - - Troubleshooting Guide...
  • Page 89 A113325B Troubleshooting Guide (Continued)
  • Page 90 A14370 Fig. 67 - - Wiring Diagram...

  • Page 91: Parts Replacement Information Guide

    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:59TP6A ---02SI Copyright 2014 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231 Edition Date: 07/14 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. Replaces: 59TP6A--- 01SI...

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