International comfort products N9MSB Manuals

Printed in U.S.A. 440 01 4102 01 March. 2013 INSTALLATION INSTRUCTIONS Single−Stage, PSC Blower Motor 35” Tall, High Efficiency Condensing Gas Furnace N9MSB (B Series) These instructions must be read and understood completely before attempting installation. Safety Labeling and Signal Words DANGER, WARNING, CAUTION, and NOTE The signal words DANGER, WARNING, CAUTION, and NOTE are used to identify levels of hazard seriousness. The signal word DANGER is only used on product labels to signify an immediate hazard. The signal words WARNING, CAUTION, and NOTE will be used on product labels and throughout this manual and other manual that may apply to the product. DANGER − Immediate hazards which will result in severe personal injury or death. WARNING − Hazards or unsafe practices which could result in severe personal injury or death. CAUTION − Hazards or unsafe practices which may result in minor personal injury or product or property damage. NOTE − Used to highlight suggestions which will result in enhanced installation, reliability, or operation. ! WARNING Signal Words in Manuals The signal word CAUTION is used throughout this manual in the following manner: ! CAUTION Signal Words on Product Labeling Signal words are used in combination with colors and/or pictures or product labels. The signal word WARNING is used throughout this manual in the following manner: Safety−alert symbol When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury. TABLE OF CONTENTS SAFETY CONSIDERATIONS 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . INTRODUCTION 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CODES AND STANDARDS 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ELECTROSTATIC DISCHARGE PRECAUTIONS PROCEDURE 5 DIMENSIONS 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LOCATION 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LOCATION RELATIVE TO COOLING EQUIPMENT 9 . . . . . . . . . . . . AIR FOR COMBUSTION AND VENTILATION 9 . . . . . . . . . . . . . . . . . CONDENSATE TRAP 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . INSTALLATION 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . UPFLOW INSTALLATION 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DOWNFLOW INSTALLATION 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HORIZONTAL INSTALLATION 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FILTER ARRANGEMENT 24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AIR DUCTS 28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GAS PIPING 28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ELECTRICAL CONNECTIONS 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J−BOX INSTALLATION 31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VENTING 35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VENTING REQUIREMENTS FOR INSTALLATIONS IN CANADA 35 DIRECT VENT / 2−PIPE SYSTEM 39 . . . . . . . . . . . . . . . . . . . . . . . . . . . VENTILATED COMBUSTION AIR 39 . . . . . . . . . . . . . . . . . . . . . . . . . . . TERMINATION REQUIREMENTS FOR THE PROVINCES OF ALBERTA AND SASKATCHEWAN 39 . . . . . . . . . . . . . . . . . . . . . . . INSTALLING THE VENT TERMINATION 48 . . . . . . . . . . . . . . . . . . . . . MAXIMUM EQUIVALENT VENT LENGTH 53 . . . . . . . . . . . . . . . . . . . . MAXIMUM ALLOWABLE EXPOSED VENT LENGTHS 56 . . . . . . . . . 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 . INSTALLER: Affix these instructions on or adjacent to the furnace. CONSUMER: Retain these instructions for future reference. Portions of the text and tables are reprinted from NFPA 54 /ANSI Z223.1−2012©, 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.

Printed in U.S.A. 440 01 4104 07 11/5/2018 INSTALLATION INSTRUCTIONS Single--Stage, PSC Blower Motor 35” Tall, High Efficiency Condensing Gas Furnace N9MSB0801716 (B Series Only) N9MSB (All Others C Series) These instructions must be read and understood completely before attempting installation. Safety Labeling and Signal Words DANGER, WARNING, CAUTION, and NOTE The signal words DANGER, WARNING, CAUTION, and NOTE are used to identify levels of hazard seriousness. The signal word DANGER is only used on product labels to signify an immediate hazard. The signal words WARNING, CAUTION, and NOTE will be used on product labels and throughout this manual and other manual that may apply to the product. DANGER -- Immediate hazards which will result in severe personal injury or death. WARNING -- Hazards or unsafe practices which could result in severe personal injury or death. CAUTION -- Hazards or unsafe practices which may result in minor personal injury or product or property damage. NOTE -- Used to highlight suggestions which will result in enhanced installation, reliability, or operation. ! WARNING Signal Words in Manuals The signal word CAUTION is used throughout this manual in the following manner: ! CAUTION Signal Words on Product Labeling Signal words are used in combination with colors and/or pictures or product labels. The signal word WARNING is used throughout this manual in the following manner: Safety--alert symbol When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury. TABLE OF CONTENTS SAFETY CONSIDERATIONS 3 . . . . . . . . . . . . . . . . . . . . . . . INTRODUCTION 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CODES AND STANDARDS 4 . . . . . . . . . . . . . . . . . . . . . . . . . ELECTROSTATIC DISCHARGE PRECAUTIONS 5 . . . . . . DIMENSIONS 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LOCATION 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LOCATION RELATIVE TO COOLING EQUIPMENT 9 . . . . AIR FOR COMBUSTION AND VENTILATION 9 . . . . . . . . . CONDENSATE TRAP 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . INSTALLATION 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . UPFLOW INSTALLATION 20 . . . . . . . . . . . . . . . . . . . . . . . . . . DOWNFLOW INSTALLATION 21 . . . . . . . . . . . . . . . . . . . . . . . HORIZONTAL INSTALLATION 23 . . . . . . . . . . . . . . . . . . . . . . FILTER ARRANGEMENT 25 . . . . . . . . . . . . . . . . . . . . . . . . . . AIR DUCTS 29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GAS PIPING 29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ELECTRICAL CONNECTIONS 31 . . . . . . . . . . . . . . . . . . . . . . J--BOX INSTALLATION 32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . VENTING 36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SPECIAL VENTING REQUIREMENTS FOR INSTALLATIONS IN CANADA 36 . . . . . . . . . . . . . . . . . . . . . . DIRECT VENT / 2--PIPE SYSTEM 42 . . . . . . . . . . . . . . . . . . . VENTILATED COMBUSTION AIR 42 . . . . . . . . . . . . . . . . . . . TERMINATION REQUIREMENTS FOR THE PROVINCES OF ALBERTA AND SASKATCHEWAN 42 . . INSTALLING THE VENT TERMINATION 52 . . . . . . . . . . . . . MAXIMUM EQUIVALENT VENT LENGTH 57 . . . . . . . . . . . . MAXIMUM ALLOWABLE EXPOSED VENT LENGTH 59 . . MAXIMUM EQUIVALENT VENT LENGTH 57 . . . . . . . . . . . . MAXIMUM ALLOWABLE EXPOSED VENT LENGTH 59 . . 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 . INSTALLER: Affix these instructions on or adjacent to the furnace. CONSUMER: Retain these instructions for future reference. Portions of the text and tables are reprinted from NFPA 54 /ANSI Z223.1, 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.

Printed in U.S.A. 440 01 4101 03 Aug. 2012 INSTALLATION INSTRUCTIONS Single−Stage, PSC Blower Motor 35” Tall, High Efficiency Condensing Gas Furnace N9MSB & N9MSE (A Series) These instructions must be read and understood completely before attempting installation. Safety Labeling and Signal Words DANGER, WARNING, CAUTION, and NOTE The signal words DANGER, WARNING, CAUTION, and NOTE are used to identify levels of hazard seriousness. The signal word DANGER is only used on product labels to signify an immediate hazard. The signal words WARNING, CAUTION, and NOTE will be used on product labels and throughout this manual and other manual that may apply to the product. DANGER − Immediate hazards which will result in severe personal injury or death. WARNING − Hazards or unsafe practices which could result in severe personal injury or death. CAUTION − Hazards or unsafe practices which may result in minor personal injury or product or property damage. NOTE − Used to highlight suggestions which will result in enhanced installation, reliability, or operation. ! WARNING Signal Words in Manuals The signal word CAUTION is used throughout this manual in the following manner: ! CAUTION Signal Words on Product Labeling Signal words are used in combination with colors and/or pictures or product labels. The signal word WARNING is used throughout this manual in the following manner: Safety−alert symbol When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury. TABLE OF CONTENTS SAFETY CONSIDERATIONS 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . INTRODUCTION 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CODES AND STANDARDS 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS 5 . . . . . . . DIMENSIONS NEW 6/7/12 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LOCATION 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LOCATION RELATIVE TO COOLING EQUIPMENT 9 . . . . . . . . . . . AIR FOR COMBUSTION AND VENTILATION 9 . . . . . . . . . . . . . . . . CONDENSATE TRAP 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . INSTALLATION 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . UPFLOW INSTALLATION 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DOWNFLOW INSTALLATION 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HORIZONTAL INSTALLATION 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FILTER ARRANGEMENT 24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AIR DUCTS 28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GAS PIPING 28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ELECTRICAL CONNECTIONS 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J−BOX INSTALLATION 31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VENTING 35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SPECIAL VENTING REQUIREMENTS FOR INSTALLATIONS IN CANADA 35 . . . . . . . . . . . . . . . . . . . . . . . . DIRECT VENT / 2−PIPE SYSTEM 39 . . . . . . . . . . . . . . . . . . . . . . . . . . VENTILATED COMBUSTION AIR 39 . . . . . . . . . . . . . . . . . . . . . . . . . . TERMINATION REQUIREMENTS FOR THE PROVINCES OF ALBERTA AND SASKATCHEWAN 39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . INSTALLING THE VENT TERMINATION 48 . . . . . . . . . . . . . . . . . . . . MAXIMUM EQUIVALENT VENT LENTH - FEET (METERS) 53 . . . . MAXIMUM ALLOWABLE EXPOSED VENT LENGTHS IN UNCONDITIONED SPACE 56 . . . . . . . . . . . . . . . . . . . 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 . INSTALLER: Affix these instructions on or adjacent to the furnace. CONSUMER: Retain these instructions for future reference. Portions of the text and tables are reprinted from NFPA 54 /ANSI Z223.1−2009©, 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.

Printed in U.S.A. 440 04 4412 03 12/5/2013 SERVICE AND TECHNICAL SUPPORT MANUAL Single Stage, PSC Blower Motor 35” Tall, High Efficiency Condensing Gas Furnace N9MSB (B Series) Save this manual for future reference. Safety Labeling and Signal Words DANGER, WARNING, CAUTION, and NOTE The signal words DANGER, WARNING, CAUTION, and NOTE are used to identify levels of hazard seriousness. The signal word DANGER is only used on product labels to signify an immediate hazard. The signal words WARNING, CAUTION, and NOTE will be used on product labels and throughout this manual and other manual that may apply to the product. DANGER − Immediate hazards which will result in severe personal injury or death. WARNING − Hazards or unsafe practices which could result in severe personal injury or death. CAUTION − Hazards or unsafe practices which may result in minor personal injury or product or property damage. NOTE − Used to highlight suggestions which will result in enhanced installation, reliability, or operation. ! WARNING Signal Words in Manuals The signal word CAUTION is used throughout this manual in the following manner: ! CAUTION Signal Words on Product Labeling Signal words are used in combination with colors and/or pictures or product labels. The signal word WARNING is used throughout this manual in the following manner: Safety−alert symbol When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury. TABLE OF CONTENTS START−UP, ADJUSTMENT, AND SAFETY CHECK 4 . . . . . . . . . . . PRIME CONDENSATE TRAP WITH WATER 4 . . . . . . . . . . . . . . . . . PURGE GAS LINES 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ADJUST TEMPERATURE RISE 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . ADJUST BLOWER OFF DELAY (HEAT MODE) 11 . . . . . . . . . . . . . . ADJUST COOLING AIRFLOW 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ADJUST THERMOSTAT HEAT ANTICIPATOR 11 . . . . . . . . . . . . . . . CHECK SAFETY CONTROLS 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CHECKLIST 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SERVICE AND MAINTENANCEPROCEDURES 13 . . . . . . . . . . . . . . RETRIEVING STORED FAULT CODES 14 . . . . . . . . . . . . . . . . . . . . . COMPONENT SELF−TEST 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CARE AND MAINTENANCE 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CLEANING AND/OR REPLACING AIR FILTER 15 . . . . . . . . . . . . . . BLOWER MOTOR AND WHEEL MAINTENANCE 15 . . . . . . . . . . . . CLEANING BURNERS AND FLAME SENSOR 17 . . . . . . . . . . . . . . . SERVICING HOT SURFACE IGNITER 18 . . . . . . . . . . . . . . . . . . . . . . FLUSHING COLLECTOR BOX AND DRAINAGE SYSTEM 18 . . . . CLEANING CONDENSATE DRAIN AND TRAP 19 . . . . . . . . . . . . . . CLEANING HEAT EXCHANGERS 19 . . . . . . . . . . . . . . . . . . . . . . . . . . WINTERIZATION 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SERVICE LABEL 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WIRING DIAGRAM 22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TROUBLESHOOTING GUIDE − FLOW CHART 23 . . . . . . . . . . . . . . SEQUENCE OF OPERATION 25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PARTS REPLACEMENT INFORMATION GUIDE 26 . . . . . . . . . . . . . PRODUCT NOMENCLATURE 27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MODELS N9MSB0401410B N9MSB0401712B N9MSB0601412B N9MSB0601716B N9MSB0801716B N9MSB0802120B N9MSB1002116B N9MSB1002122B N9MSB1202422B 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 .