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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

SAFETY CONSIDERATIONS

3

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INTRODUCTION

4

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CODES AND STANDARDS

5

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ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS

5

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ACCESSORIES

5

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LOCATION

6

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AIR FOR COMBUSTION AND VENTILATION

9

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CONDENSATE TRAP

12

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CONDENSATE DRAIN

16

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INSTALLATION

20

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AIR DUCTS

30

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GAS PIPING

35

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ELECTRICAL CONNECTIONS

37

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VENTING

43

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START--UP, ADJUSTMENT, AND SAFETY CHECK

66

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SERVICE AND MAINTENANCE PROCEDURES

77

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SEQUENCE OF OPERATION

85

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PARTS REPLACEMENT GUIDE

91

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TABLES

Loose Parts Bag Contents

4

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Minimum Clearances to Combustible Materials

4

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Minimum Free Area Required

11

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Minimum Space Volumes

11

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Filter Size Information

23

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Opening Dimensions

23

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Air Delivery CFM

31

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Maximum Capacity of Pipe

35

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Electrical Data

40

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Combustion--Air Vent Pipe, Fitting & Cement Material..

45

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Vent Termination Kit for Direct Vent (2--Pipe) Systems

46

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Hangar Spacing

53

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Maximum Allowable Exposed Vent Lengths Insulation

56

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Maximum Equivalent Vent Length

57

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Deductions from Maximum Equivalent Vent Length

57

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Altitude Derate Multiplier for U.S.A.

74

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Blower Off Delay Setup Switch

74

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Gas Rate

74

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Orifice Size and Manifold Pressure

75

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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 .

Portions of the text and tables are reprinted from NFPA 54/ANSI Z223.1

E

, 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.

Summary of Contents for 59TP6B

Page 1: ...ng Dimensions 23 Air Delivery CFM 31 Maximum Capacity of Pipe 35 Electrical Data 40 Combustion Air Vent Pipe Fitting Cement Material 45 Vent Termination Kit for Direct Vent 2 Pipe Systems 46 Hangar Spacing 53 Maximum Allowable Exposed Vent Lengths Insulation 56 Maximum Equivalent Vent Length 57 Deductions from Maximum Equivalent Vent Length 57 Altitude Derate Multiplier for U S A 74 Blower Off Del...

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

Page 3: ...her operations must be performed by trained service personnel When working on heating equipment observe precautions in literature on tags and on labels attached to or shipped with furnace and other safety precautions that may apply These instructions cover minimum requirements and conform to existing national standards and safety codes In some instances these instructions exceed certain local code...

Page 4: ...ace is factory shipped for use with natural gas The furnace can be converted in the field for use with propane gas when a factory supplied conversion kit is used Refer to the furnace rating plate for conversion kit information This furnace is not approved for installation in mobile homes recreational vehicles or outdoors This furnace is designed for minimum continuous return air temperature of 60_...

Page 5: ... S The use of copper tubing for gas piping is not approved by the state of Massachusetts Electrical Connections S US Current edition of National Electrical Code NEC NFPA 70 S CANADA Current edition of Canadian Electrical Code CSA C22 1 Condensate Drain Connection S US Current edition of National Standard Plumbing Code Section 8 7 S Canada Current edition of National Plumbing Code of Canada ELECTRO...

Page 6: ...e parts bag contents This furnace must S be installed so the electrical components are protected from water S not be installed directly on any combustible material other than wood flooring refer to SAFETY CONSIDERATIONS S be located close to the chimney or vent and attached to an air distribution system Refer to Air Ducts section S be provided ample space for servicing and cleaning Always comply w...

Page 7: ...e must be installed in accordance with the current edition of NFPA 54 ANSI Z223 1 or CAN CSA B149 2 See Fig 3 WARNING 18 IN 457 2 mm MINIMUM TO BURNERS A93044 Fig 3 Installation in a Garage FIRE HAZARD Failure to follow this warning could result in personal injury death and or property damage Do not install the furnace on its back or hang furnace with control compartment facing downward Safety con...

Page 8: ...06 8 3 4 222 133 60 3 060V14 12 14 3 16 361 12 1 2 319 12 9 16 322 7 1 8 181 132 59 9 060V17 14 17 1 2 445 15 7 8 403 16 406 8 3 4 222 139 63 0 080V17 16 17 1 2 445 15 7 8 403 16 406 8 3 4 222 147 66 7 080V21 20 21 533 19 3 8 492 19 1 2 495 10 1 2 267 156 70 7 100V21 20 21 533 19 3 8 492 19 1 2 495 10 1 2 267 170 77 1 120V24 22 24 1 2 622 22 7 8 581 23 584 12 1 4 311 190 86 2 Fig 5 Dimensional Dra...

Page 9: ...xchangers and shorten furnace life Air contaminants are found in aerosol sprays detergents bleaches cleaning solvents salts air fresheners and other household products CAUTION CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death The operation of exhaust fans kitchen ventilation fans clothes dryers attic exhaust fans or fireplaces could create a N...

Page 10: ...m2 kW of the total input rating of all gas appliances in the space but not less than 100 in 2 0 06 m2 One opening shall commence within 12 in 300 mm of the ceiling and the second opening shall commence within 12 in 300 mm of the floor The minimum dimension of air openings shall be at least 3 in 80 mm See Fig 7 c Combining space on different floor levels The volumes of spaces on different floor lev...

Page 11: ...ts Table 4 Minimum Space Volumes for 100 Combustion Ventilation and Dilution Air from Outdoors OTHER THAN FAN ASSISTED TOTAL 1 000 S BTUH GAS INPUT RATE FAN ASSISTED TOTAL 1 000 S BTUH GAS INPUT RATE ACH 30 40 50 40 60 80 100 120 140 Space Volume Ft3 M3 0 60 1 050 29 7 1 400 39 6 1 750 49 5 1 400 39 6 1 500 42 5 2 000 56 6 2 500 70 8 3 000 84 9 3 500 99 1 0 50 1 260 35 6 1 680 47 5 2 100 59 4 1 68...

Page 12: ... Fig 10 and 11 A field supplied accessory Horizontal Installation Kit trap grommet is required for all direct vent horizontal installations only The kit contains a rubber casing grommet designed to seal between the furnace casing and the condensate trap See Fig 17 The field supplied accessory horizontal drain trap grommet is ONLY REQUIRED FOR DIRECT VENT APPLICATIONS It it NOT required for applica...

Page 13: ...open ports of the collector box Connect relief tube to port on collector box Rotate elbow to desired position and tighten clamp to 15 lb ïin Slide tube in standïoffs to adjust length Connect the new pressure switch tube from Loose Parts bag to port on front pressure switch Route tube through inducer standïoffs to adjust position of the tube Trim excess tube Connect pressure switch tube to port on ...

Page 14: ...ation Attach condensate trap with screw to collector box Slide relief tube in standïoffs to adjust length Vent elbow shown in alternate orientation Tighten clamp on inlet to vent elbow 15 lb ïin Align trap over middle and rightïhand port on collector box NOTE Remove knockout in casing before reïinstalling the condensate trap Install plug on open port of collector box Horizontal Right Trap Configur...

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

Page 16: ...the National Plumbing Code of Canada Upflow Downflow Orientation In the Upflow or Downflow orientation the condensate trap is 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 right side is as you are viewing facing the furnace from the front An indoor co...

Page 17: ...de of the furnace as necessary for proper fit and positioning In both upflow and downflow orientations the Z pipe should NOT be resting on any sheet metal parts 13 Secure the rubber elbow to the drain trap and the Z pipe with spring clamps 14 Secure the grommet to the Z pipe with the spring clamp The remaining drain line can be constructed from field supplied 1 2 in CPVC or 3 4 in PVC pipe in comp...

Page 18: ...20 mm per meter of slope down and away from the furnace in horizontal sections of drain line Condensing Furnace Evaporator Coil Blower Positive pressure Pressure lower than areas with Negative pressure Blower creates positive pressure Positive pressure extends into coil condensate drain no trap Furnace condensate does not flow consistently when drain is at positive pressure DIRECTION OF AIRFLOW Co...

Page 19: ...nsing Furnace ï ï ï ï ï Evaporator Coil Blower ï 3 4 PVC 3 4 1 2 CPVC or larger Positive pressure Pressure lower than areas with Negative pressure 3 4 PVC DIRECTION OF AIRFLOW 3 4 3 4 3 4 3 4 Open standpipe Optional when coil drain is not connected to furnace drain Recommend T fitting standpipe of same diameteror larger H WHQGLQJ XSZDUG ZLWK PLQLPXP LQFK high Condensing Furnace Evaporator ÄÄÄÄÄÄÄÄ...

Page 20: ...8 Drain Trap Connection and Routing Appearance may vary INSTALLATION This furnace is certified to leak 2 or less of nominal air conditioning CFM delivered when pressurized to 1 in water column with all present air inlets including bottom closure in upflow and horizontal applications air outlets and plumbing and electrical ports sealed NOTICE Upflow Installation NOTE The furnace must be pitched as ...

Page 21: ...Reinstall bottom closure panel if removed Downflow Installation NOTE The furnace must be pitched as shown in Fig 25 for proper condensate drainage Supply Air Connections NOTE For downflow applications this furnace is approved for use on combustible flooring when any one of the following accessories are used S Special Base KGASB S Cased Coil Assembly Part No CNPV CNRV CAP or CAR S Coil Box Part No ...

Page 22: ...event leaks Connect supply air duct to flanges on furnace supply air outlet Bend flange upward to 90_ with wide duct pliers See Fig 22 The supply air duct must be connected to ONLY the furnace supply outlet air duct flanges or air conditioning coil casing when used DO NOT cut main furnace casing side to attach supply air duct humidifier or other accessories All supply side accessories MUST be conn...

Page 23: ...4 85 0 23 59 1000 472 0 07 18 0 10 27 0 13 34 0 21 52 0 32 81 1200 566 0 08 20 0 14 36 0 17 43 0 27 68 16 x 25 Filter 406 x 635 mm Factory Accessory Washable Factory Accessory Media Representative After Market Filter Media Fiberglass Pleated CFM L s 1 in 2 5 cm 4 in 10 cm 1 in 2 5 cm 2 in 5 cm 1 in 2 5 cm 2 in 5 cm 600 283 0 04 10 0 05 13 0 06 15 0 09 22 0 20 51 0 13 34 800 378 0 05 13 0 07 18 0 0...

Page 24: ... 533 16 x 25 x 3 4 406 x 635 x 19 20 x 25 x 3 4 508 x 635 x 19 Washable 24 1 2 622 16 x 25 x 3 4 406 x 635 x 19 24 x 25 x 3 4 610 x 635 x 19 Washable Recommended to maintain air filter face velocity See Product Data for part number Not all families have these models Air Filter Located in Filter Cabinet FILTER CABINET HEIGHT IN MM FILTER SIZE IN MM FILTER TYPE 14 3 16 360 14 x 25 x 3 4 356 x 635 x ...

Page 25: ...ce Filler plates Screw 14 3 16 in Furnace with Filler Plates Centered 14 3 16 in Furnace Filler plate Screws 14 3 16 in Furnace with Filler Plates Off Set to Right Media Cabinet Installation Option for 4 Ton or Less A C Capacity 20 or 24 in Media Cabinet Installation with Angled Transition 20 or 24 in Media Cabinet Installation for Combination Side and Bottom Return Media Cabinet Installation Side...

Page 26: ...subbase not required 15 7 8 403 19 483 16 1 2 419 19 5 8 498 Downflow applications on combustible flooring subbase required 15 1 8 384 19 483 16 3 4 425 20 5 8 600 Downflow Applications on Combustible Flooring with coil assembly or coil box subbase not required 15 1 2 394 19 483 16 1 2 419 20 508 21 533 Upflow Applications on Combustible or Noncombustible Flooring subbase not required 19 1 2 495 2...

Page 27: ...TOM CLOSURE Representative drawing only some models may vary in appearance A170123 Fig 23 Removing Bottom Closure Panel 2 Screws BOTTOM PLATE SCREWS 4 1 Lay furnace on the back or side 2 Remove the four 4 screws that secure the bottom plate to the furnace casing 3 Remove the bottom closure from the casing 4 Re install the bottom plate to the furnace casingand re install the four 4 screws Represent...

Page 28: ... 25 Furnace Pitch Requirements ANY COMBINATION OF 1 2 OR 3 PERMITTED A11036 Fig 26 Upflow Return Air Configurations and Restrictions A11037 Fig 27 Downflow Return Air Configurations and Restrictions HORIZONTAL TOP RETURN NOT PERMITTED FOR ANY MODEL A11038 Fig 28 Horizontal Return Air Configurations and Restrictions ...

Page 29: ... finished ceiling 2 IN 51 mm COMBUSTION AIR PIPE SEE VENTING SECTION Install 12 x 22 204 x 559 mm sheet metal in front of and above the burner compartment area The sheet metal MUST extend above the furnace casing by 1 in 25 mm with the door removed A 1 in 25 mm clearance minimum between top of furnace and combustible material is required The entire length of furnace must be supported when furnace ...

Page 30: ...onnections to furnace with code approved tape or duct sealer NOTE Flexible connections should be used between ductwork and furnace to prevent transmission of vibration Ductwork passing through unconditioned space should be insulated to enhance system performance When air conditioning is used a vapor barrier is recommended Maintain a 1 in 25 mm clearance from combustible materials to supply air duc...

Page 31: ... Heating SW1 High Heat Airflow3 800 770 730 700 665 635 605 570 540 510 Low Heat Airflow3 560 520 470 425 390 See note 4 Unit Size 040V17 12 Clg CF Switch settings External Static Pressure ESP Clg Switches SW2 8 SW2 7 SW2 6 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 Clg Default OFF OFF OFF 1240 1210 1180 1145 1105 1060 1005 950 895 835 Cooling SW2 8 7 6 OFF OFF ON 585 540 490 445 400 360 315 265 210 ...

Page 32: ...t Airflow3 1115 1090 1060 1035 1010 980 955 930 905 875 Low Heat Airflow3 780 740 695 655 615 575 530 490 450 405 Unit Size 060V17 14 Clg CF Switch settings External Static Pressure ESP Clg Switches SW2 8 SW2 7 SW2 6 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 Clg Default OFF OFF OFF 1330 1295 1260 1220 1190 1150 1110 1075 1045 1005 Cooling SW2 8 7 6 OFF OFF ON 725 600 435 280 210 See note 4 OFF ON OF...

Page 33: ...5 See Note 4 Heating SW1 High Heat Airflow3 1470 1435 1400 1365 1330 1295 1260 1225 1190 1155 Low Heat Airflow3 1150 1110 1070 1030 990 950 910 870 830 790 Unit Size 080V21 20 Clg CF Switch settings External Static Pressure ESP Clg Switches SW2 8 SW2 7 SW2 6 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 Clg Default OFF OFF OFF 1905 1870 1825 1785 1750 1700 1665 1625 1560 1460 Cooling SW2 8 7 6 OFF OFF O...

Page 34: ...55 1080 1020 940 890 825 785 710 660 590 Heating SW1 High Heat Airflow3 1905 1865 1825 1775 1730 1685 1640 1590 1545 1490 Low Heat Airflow3 1480 1435 1375 1330 1265 1215 1160 1115 1060 1005 Unit Size 120V24 22 Clg CF Switch settings External Static Pressure ESP Clg Switches SW2 8 SW2 7 SW2 6 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 Clg Default OFF OFF OFF 2060 2015 1975 1930 1885 1840 1790 1750 170...

Page 35: ... or inlet pipe must remain capped until gas supply line is permanently installed to protect the valve from moisture and debris Also install a sediment trap in the gas supply piping at the inlet to the gas valve WARNING Gas piping must be installed in accordance with national and local codes Refer to current edition of NFGC in the USA Refer to current edition of NSCNGPIC in Canada Installations mus...

Page 36: ...aximum 0 5 psig 14 In W C stated on gas control valve See Fig 32 INLET PRESSURE TAP SET SCREW 3 32 HEX HEAD ACCEPTS 5 16 HOSE CONNECTION ON OFF SWITCH MANIFOLD PRESSURE TAP SET SCREW 3 32 HEX HEAD ACCEPTS 5 16 HOSE CONNECTION REGULATOR SEAL CAP REGULAR ADJ UNDER CAP OUTP 1 2 NPT INLET 1 2 NPT OUTLET Representative drawing only some models may vary in appearance A170117 Fig 32 Gas Valve with Tower ...

Page 37: ...iping as an electrical ground WARNING 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 CAUTION 115 V Wiring Furnace must have a 115 v power supply properly ...

Page 38: ... top panel 2 Drill two 2 1 8 in 3 mm pilot holes through the dimples in the furnace casing near the 7 8 in knock out NOTE If electrical entry through the furnace top panel is used mark the screw hole locations using the mounting holes in the external electrical box as a template For a side mounted external electrical box complete the following 1 Align the J Box bracket with the knock out inside th...

Page 39: ... automotive type 3 amp fuse located on the control Any direct shorts during installation service or maintenance could cause this fuse to blow If fuse replacement is required use ONLY a 3 amp fuse of identical size See Fig 39 Thermostats A single stage heating and cooling thermostat can be used with the furnace The furnace control board CPU will control the furnace and outdoor unit staging A two st...

Page 40: ...s of the voltage range at which the unit operates satisfactorily Unit ampacity 125 percent of largest operating component s full load amps plus 100 percent of all other potential operating components EAC humidifier etc full load amps Time delay type is recommended Length shown is as measured one way along wire path between furnace and service panel for maximum 2 percent voltage drop 1 Low Amp Kit ...

Page 41: ...41 A190044 Fig 39 Example of Variable Speed Furnace Control ...

Page 42: ...2 Stage Furnace with Single Speed Heat Pump Modulating and 2 Stage Furnace with Two Speed Heat Pump See notes 2 5 7 10 11 16 and 17 See notes 1 2 4 6 7 9 10 11 15 16 and 17 THERMOSTAT THERMOSTAT THERMOSTAT THERMOSTAT D D D D See notes 2 5 8 10 11 12 16 and 17 See notes 1 2 3 4 6 8 9 10 12 13 15 16 and 17 A12222 Fig 40 Thermostat Wiring Diagrams ...

Page 43: ...essory external drain trap available from the furnace manufacturer have been certified to ULC S636 for use with those Royal Pipe and IPEX PVC vent components which have been certified to this standard In Canada the primer and cement must be of the same manufacturer as the vent system GVS 65 Primer Purple for Royal Pipe or IPEX System 636 PVC CPVC Primer Purple Violet for Flue Gas Venting and GVS 6...

Page 44: ...m or chimney the vent or vent connectors of other remaining appliances may need to be re sized Vent systems or vent connectors of other appliances must be sized to the minimum size as determined using appropriate table found in the current edition of National Fuel Gas Code NFPA 54 ANSI Z 223 1 In Canada refer to CAN CSA B149 1 An abandoned masonry chimney may be used as a raceway for properly insu...

Page 45: ...edule 40 ULC S636 ULC S636 ULC S636 ULC S636 PVC and ABS pipe may use either DWV or pressure rated fittings Colored or tinted solvents or primers must be used where required by code in the USA ABS plastic does not require a primer before solvent cementing A cleaner for ABS is recommended to remove any surface residue ABS cleaners are not subject to ASTM standards Polypropylene Approved Manufacture...

Page 46: ... pipe to the outdoors is not required for a single pipe vent system A 12 in 304 mm long pipe with a 2 in 51 mm tight radius 90 degree elbow is required to be attached to the combustion air pipe adapter on the furnace See Fig 56 This short inlet air pipe helps to ensure stable combustion as well as allow for sound attenuation To aid sound attenuation point the inlet air pipe away from occupants An ...

Page 47: ...Follow the clearances as shown in Fig 57 The combustion air pipe cannot terminate in attics or crawl spaces that use ventilation fans designed to operate in the heating season If ventilation fans are present in these areas the combustion air pipe must terminate outdoors as a Direct Vent System Non Direct Vent 1 Pipe System The vent pipe for a Non Direct Vent 1 pipe system must terminate outdoors S...

Page 48: ...sing metric sized venting systems use these equivalencies for obtaining the proper MEVL from the Tables Use 2 Vent Tables for 60 mm o d vent systems Use 3 Vent Tables for 80 mm o d vent systems Use 4 Vent Tables for 100 mm o d vent systems NOTICE The measured length of pipe used in a single or 2 pipe termination is included in the total vent length Include deductions from the Maximum Equivalent Ve...

Page 49: ...the desired knockouts from the casing It will be necessary to remove one knockout for the vent pipe and the other knockout for the combustion air connection See Fig 12 Use a flat blade screwdriver and tap on the knockout on opposite sides where the knockout meets the casing Fold the knockout down with duct pliers and work the knockout back and forth until it is removed Trim any excess metal from t...

Page 50: ... for combustion air connection UPFLOW VERTICAL VENT A11310A Fig 43 Upflow Configuration Appearance May Vary See Notes for Venting Options 1 2 3 4 5 6 7 5 Rotate vent elbow to required position DOWNFLOW LEFT CONFIGURATION A11311A 1 2 3 4 5 6 7 5 Rotate vent elbow to required position Any other unused knockout may be used for combustion air connection DOWNFLOW RIGHT CONFIGURATION A11312A Requires Ac...

Page 51: ... LEFT RIGHT VENT CONFIGURATION A11329A Fig 45 Horizontal Left Appearance May Vary See Notes for Venting Options ALTERNATE COMBUSTION AIR CONNECTIONS HORIZONTAL RIGHT VERTICAL VENT CONFIGURATION A11337 Requires Internal Vent Kit See Product Data for Current Kit Number HORIZONTAL RIGHT LEFT VENT CONFIGURATION A11336 ALTERNATE COMBUSTION AIR CONNECTIONS HORIZONTAL RIGHT RIGHT VENT CONFIGURATION A1133...

Page 52: ...stion air pipe adapter with gasket to furnace 7 Attach combustion air pipe to adapter with silicone Pilot drill a1 8 in hole in adapter and secure with a 7 x 1 2 in sheet metal screw Attach gaskets to vent pipe and combustion air adapters Vent Coupling and Adapter A13074 Fig 47 Vent Coupling and Adapter with Gaskets TABS ON THE INDUCER OUTLET RESTRICTOR SNAP INTO THE SLOTS AT THE OUTLET OF THE IND...

Page 53: ...concentric vent or by installing the required termination elbows as shown in Figs 54 55 and 56 For Ventilated Combustion Air Termination see Fig 57 5 Clean and dry all surfaces to be joined 6 Check dry fit of pipe and mark insertion depth on pipe 7 Insert the vent pipe into the vent elbow 8 Torque clamp on vent elbow 15 lb in 9 Torque clamp on vent coupling 15 lb in 10 Insert the combustion air pi...

Page 54: ...of the plastic vent adapter 8 Slide the adapter over the vent pipe and align the screw holes in the adapter with the dimples in the furnace casing 9 Pilot drill 1 8 in screw holes for the adapter in the casing and secure the adapter to the furnace with sheet metal screws 10 Loosen the clamps on the rubber vent coupling 11 Slide the end of the coupling with notches in it over the standoffs in the v...

Page 55: ...ne 4 in diameter hole for 2 in kit or one 5 in diam eter hole for 3 in kit 2 Loosely assemble concentric vent combustion air termina tion components together using instructions in kit 3 Slide assembled kit with rain shield REMOVED through hole NOTE Do not allow insulation or other materials to accumulate inside of pipe assembly when installing it through hole 4 Locate assembly through sidewall wit...

Page 56: ...ation Pipe Dia mm 38 51 64 38 51 64 38 51 64 38 51 64 76 38 51 64 76 38 51 64 76 7 6 1 6 1 6 1 6 1 15 2 13 7 6 1 18 3 15 2 6 1 9 1 9 1 7 6 6 1 22 9 19 8 18 3 6 1 25 9 22 9 19 8 18 3 0 1 5 1 5 6 1 7 6 6 1 6 1 9 1 7 6 4 6 4 6 3 0 3 0 6 1 12 2 9 1 7 6 6 1 13 7 12 2 9 1 29 1 5 6 1 4 6 3 0 6 1 6 1 4 6 3 0 1 5 6 1 7 6 6 1 4 6 6 1 9 1 7 6 6 1 40 4 6 3 0 1 5 4 6 4 6 3 0 1 5 6 1 4 6 4 6 3 0 6 1 6 1 4 6 3 0...

Page 57: ...ilable through Replacement Components required under 10 ft 3 M TEVL in all orientations Required for installations from 0 2000 0 to 610 M above sea level Failure to use an outlet restric tor may result in flame disturbances or flame sense lock out 2 Inducer Outlet Restrictor disk P N 337683 401 1 25 in 32 mm Dia available through Replacement Components required for no greater than 5 ft 1 5 M TEVL ...

Page 58: ...th MEVL 95 ft 29 M For 2 pipe from Table 16 Is TEVL less than MEVL YES Therefore 2 pipe MAY be used 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...

Page 59: ... soffitt located above the vent termination within a horizontal distance of 2 ft 61 cm from the centerline of the vent termination 6 ft 2 M Clearance to a ventilation exhaust including HRV ERV on either Wall A or Wall B 12 in 305 mm Clearance above paved sidewalk or paved driveway located on public property 7 ft 2 1 M Clearance under a veranda porch deck or balcony N P No operable windows doors or...

Page 60: ...a minimum of two sides beneath the floor See Note 4 Manufacturer s Recommendation See Notes 3 8 M Clearance to each side of the centerline extended above or below vent terminal of the furnace to a dryer or water heater vent or other appliance s direct vent intake or exhaust 12 in 305 mm 12 in 305 mm N Furnace combustion air intake clearance to a water heater vent dryer vent or other types of appli...

Page 61: ...ully open on a minimum of two sides beneath the floor See Note 4 Manufacturer s Recommendation See Notes 3 8 M Clearance to each side of the centerline extended above or below vent terminal of the furnace to a dryer or water heater vent or other appliance s direct vent intake or exhaust 12 in 305 mm 12 in 305 mm N Clearance to a moisture exhaust duct dryer vent spa exhaust etc 12 in 305 mm See Not...

Page 62: ...ever is greater Side wall termination with 2 elbows preferred 12 in min 305 mm from overhang or roof Maintain 12 in 305mm minimum clearance above highest anticipated snow level or grade whichever is greater 6 in 152mm minimum clearance between wall and end of vent pipe 10 in 254mm maximum pipe lengt h Sidewall Termination with Straight Pipe preferred Roof Termination Preferred Vent Maintain 12 in ...

Page 63: ... IN 305 MM CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL OR GRADE WHICHEVER IS GREATER COMBUSTION AIR ELBOW PARALLEL TO WALL OVERHANG 12 IN 305 MM MIN GROUND LEVEL OR ANTICIPATED SNOW LEVEL EXHAUST CLEARANCE TO OVERHANG PER CODE OPTIONAL BRACKET COUPLING 12 IN 305 MM MIN SEPARATION BETWEEN BOTTOM OFCOMBUSTION AIR AND BOTTOM OF VENT A13078 Fig 56 Alberta and Saskatchewan Vent Termination ...

Page 64: ...mm Pipe hangar Ventilated Combustion Air intake termination in crawl space Ventilated Combustion Air intake pipe CRAWL SPACE ATTIC highest level of insulation A10497 Fig 57 Vent Terminations for Ventilated Combustion Air ...

Page 65: ...nly some models may vary in appearance TO CODE APPROVED DRAIN OR CONDENSATE PUMP Tee Dry Well Cap water tight and removable Tee Dry Well Cap water tight and removable Tee Dry Well Cap water tight and removable Recommend T fitting with 4 inch minimum height standpipe A of same diameter or larger extending upward A A A A170122A Fig 59 Recommended Combustion Air Inlet Moisture Trap ...

Page 66: ...up switches that may be set to meet the application requirements Refer to the Adjustments section for setup switch configurations To set these setup switches for the appropriate requirement 1 Remove blower door 2 Locate setup switches on furnace control 3 Configure the setup switches as necessary for the application 4 Replace blower door NOTE If a bypass humidifier is used setup switch SW1 4 Comfo...

Page 67: ...roperty damage personal injury or loss of life WARNING Adjustments FIRE HAZARD Failure to follow this warning could result in personal injury death and or property damage DO NOT bottom out gas valve regulator adjusting screw This can result in unregulated manifold pressure and result in excess overfire and heat exchanger failures WARNING FURNACE DAMAGE HAZARD Failure to follow this caution may res...

Page 68: ...ssure of 4 5 in w c for natural gas The maximum inlet gas pressure is 13 6 in of water column If the inlet pressure is too low you will not be able to adjust the manifold pressure to obtain the proper input rate To check the inlet gas pressure 1 Make sure the gas supply is turned off to the furnace and at the electric switch on the gas valve 2 Loosen set screw on inlet pressure tap no more than on...

Page 69: ...e i Jumper R to W W1 and W2 This keeps furnace locked in high heat operation when both W W1 and W2 are ener gized j Repeat items d through g for high heat operation repeat ing Step 2 and adjusting the high heat regulator screw as required 2 Restore furnace to normal operating condition a Turn gas valve ON OFF switch to OFF b Remove water column manometer or similar device from manifold pressure ta...

Page 70: ...ay See Table 19 and Fig 39 65 and 73 Adjust Cooling Airflow High Speed and Low Speed Cooling The ECM blower can be adjusted for a range of airflows for low speed or high speed cooling See Table 9 Air Delivery CFM With Filter and Fig 65 Furnace Setup Switches and Descriptions Depending on the model size the cooling airflow can be adjusted from 1 5 to 6 tons based on 350 CFM per ton NOTE 6 ton airfl...

Page 71: ...urners will re light when furnace cools down 2 Check Pressure Switch es This control proves operation of the draft inducer blower a Turn off 115 v power to furnace b Disconnect inducer motor lead wires from wire harness c Turn on 115 v power to furnace d Set thermostat to call for heat and wait 1 minute When pressure switch is functioning properly hot surface igniter should NOT glow and control di...

Page 72: ...72 A190070 Fig 64 Service Label Information ...

Page 73: ...ch 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: ...2 69 138 346 13 277 555 1385 53 68 136 340 14 257 514 1286 54 67 133 333 15 240 480 1200 55 65 131 327 16 225 450 1125 56 64 129 321 17 212 424 1059 57 63 126 316 18 200 400 1000 58 62 124 310 19 189 379 947 59 61 122 305 20 180 360 900 60 60 120 300 21 171 343 857 62 58 116 290 22 164 327 818 64 56 112 281 23 157 313 783 66 54 109 273 24 150 300 750 68 53 106 265 25 144 288 720 70 51 103 257 26 1...

Page 75: ...75 44 3 6 1 5 44 3 7 1 6 43 3 4 1 4 43 3 5 1 5 4000 900 44 3 4 1 4 44 3 5 1 5 44 3 7 1 5 44 3 8 1 6 1219 925 44 3 2 1 4 44 3 4 1 4 44 3 5 1 5 44 3 6 1 5 950 45 3 7 1 6 44 3 2 1 3 44 3 3 1 4 44 3 4 1 4 750 42 3 3 1 4 42 3 4 1 4 42 3 5 1 5 42 3 6 1 5 4001 775 43 3 7 1 6 43 3 8 1 6 42 3 3 1 4 42 3 4 1 4 1220 800 43 3 5 1 5 43 3 6 1 5 43 3 7 1 6 43 3 8 1 6 825 44 3 8 1 6 43 3 4 1 4 43 3 5 1 5 43 3 6 1...

Page 76: ...3 4 1 4 8000 775 44 3 3 1 4 44 3 4 1 4 44 3 5 1 5 44 3 7 1 5 2438 800 45 3 8 1 6 44 3 2 1 4 44 3 3 1 4 44 3 4 1 4 825 46 3 7 1 6 46 3 8 1 6 45 3 8 1 6 44 3 2 1 4 625 42 3 4 1 4 42 3 5 1 5 42 3 6 1 5 42 3 7 1 6 8001 650 43 3 8 1 6 42 3 2 1 4 42 3 3 1 4 42 3 4 1 4 2439 675 43 3 5 1 5 43 3 6 1 5 43 3 7 1 6 42 3 2 1 3 700 44 3 7 1 6 43 3 4 1 4 43 3 5 1 5 43 3 6 1 5 725 44 3 5 1 5 44 3 6 1 5 44 3 7 1 6...

Page 77: ...point of the switch Example Nominal break point on pressure switch is 0 68 in W C The minimum break point of the switch is 0 63 in W C The maximum break point of the switch is 0 73 in W C The maximum make point of the switch is 0 83 in W C ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death There may be more than one electrical supply to the furnace Chec...

Page 78: ...tup switch SW1 6 to OFF and then back ON e Turn setup switch SW1 6 OFF 6 RELEASE BLOWER DOOR SWITCH reattach wire to R terminal on furnace control board and replace blower door Care and Maintenance FIRE OR EXPLOSION HAZARD Failure to follow this warning could result in personal injury death and or property damage Never store flammable or combustible materials on near or in contact with the furnace...

Page 79: ...rs after completing service and maintenance WARNING 1 Turn off electrical supply to furnace 2 Remove filter cabinet door 3 Slide filter out of cabinet 4 If equipped with permanent washable filter clean filter by spraying cold tap water through filter in opposite direction of airflow Rinse filter and let dry Oiling or coating of the filter is not recommended 5 If equipped with factory specified dis...

Page 80: ...entation and cutoff plate location to ensure proper reassembly d Remove screws securing cutoff plate and remove cutoff plate from housing e Remove bolts holding motor mounts to blower housing and slide motor and mounts out of housing f Remove blower wheel from housing g Clean wheel per instructions on degreaser cleaner Do not get degreaser in motor 8 Reassemble motor and blower wheel by reversing ...

Page 81: ...e 7 Disconnect Hot Surface Igniter HSI wires from HSI 8 Disconnect Flame Sensor wire from Flame Sensor 9 Support the manifold and remove the 4 screws that secure the manifold assembly to the burner assembly and set aside Note the location of the green yellow wire and ground ter minal 10 Inspect the orifices in the manifold assembly for blockages or obstructions Remove orifice and clean or replace ...

Page 82: ...niter on igniter bracket and remove the igniter 6 To replace igniter and bracket assembly reverse items 5a through 5d 7 Reconnect igniter harness to the igniter dressing the igniter wires to ensure there is no tension on the igniter itself See Fig 68 8 Turn on gas and electrical supplies to furnace 9 Verify igniter operation by initiating control board self test feature or by cycling thermostat 10...

Page 83: ... tape has been applied check to ensure it will operate when low temperatures are present NOTE The Heat Pad when used should be wrapped around the condensate drain trap There is no need to use heat tape within the furnace casing Most heat tapes are temperature activated and it is not practical to verify the actual heating of the tape Check the following 1 Check for signs of physical damage to heat ...

Page 84: ...ZATION UNIT AND PROPERTY DAMAGE HAZARD Failure to follow this caution may result in unit component or property damage If the furnace is installed in an unconditioned space where the ambient temperatures may be 32_ F 0_ C or lower freeze protection measures must be taken to prevent minor property or product damage CAUTION Since the furnace uses a condensing heat exchanger some water will accumulate...

Page 85: ...e high heat gas valve solenoid GV HI is energized The furnace control CPU begins a 15 second prepurge period after the low heat pressure switch LPS closes If the high heat pressure switch HPS fails to close and the low heat pressure switch LPS closes the furnace will operate at low heat gas flow rate until the high heat pressure switch closes for a maxi mum of 2 minutes after ignition b Igniter Wa...

Page 86: ...the single stage thermostat NOTE The air conditioning relay disable jumper ACRDJ must be connected to enable the adaptive cooling mode in response to a call for cooling See Fig 39 When ACRDJ is in place the furnace control CPU can turn on the air conditioning relay ACR to energize the Y Y2 terminal and switch the outdoor unit to high cooling The furnace control CPU can start up the cooling unit in...

Page 87: ...erate at high cooling airflow When the thermostat is satisfied the blower motor BLWM will op erate an additional 90 seconds at high cooling airflow be fore transitioning back to continuous blower airflow When the R to G circuit is opened the blower motor BLWM will continue operating for an additional 5 seconds if no other function requires blower motor BLWM operation Continuous Blower Speed Select...

Page 88: ...nd G 24V thermostat signals Run system through a low heat high heat or cooling cycle to check operation Status codes are erased after 72 hours or can be manually erased by putting setup switch SW1 1 in the ON position and jumpering R W W1 and Y Y2 simultaneously until status code 11 is flashed Is 24V present at W W1 W2 Y1 Y Y2 or G thermostat terminals on the furnace control Check room thermostat ...

Page 89: ... NEUTRAL L2 on the control Was 115V present for the 15 second period Check connections and retry If current is near typical value 4 0 6 0 nominal and burners will not stay on repeat check in high heat If burners will still not stay on replace control If burners operate in high heat then switch to low heat check manifold pressure If OK check burner carryover and flame sensor location Clean flame se...

Page 90: ...90 A190072 Fig 73 Wiring Diagram ...

Page 91: ...section of your local telephone directory under Heating Equipment or Air Conditioning Contractors and Systems headings for dealer listing by brand name or contact CARRIER CORPORATION Consumer Relations Department P O Box 4808 Syracuse New York 13221 1 800 CARRIER Have available the model number series number and serial number located on the unit rating plate to ensure correct replacement part MODE...

Page 92: ...er 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 Catalog No 59TP6B 01SI Replaces NEW ...

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