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Kenmore N8MSN0701716A1 - User Manual

Kenmore N8MSN0701716A1
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These instructions must be read and understood completely before attempting installation.
Signal Words on Product Labeling
Safety Labeling and Signal Words
DANGER, WARNING, CAUTION, and NOTE Signal Words in Manuals
The signal words DANGER, WARNING, CAUTION, and NOTE The signal word WARNING isused throughout this manual inthe
are used to identify levels of hazard seriousness. The signal word following manner:
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 The signal word CAUTION is used throughout this manual in the
manual that may apply to the product, following manner:
DANGER - Immediate hazards which will result in severe person-
at injury or death.
WARNING - Hazards or unsafe practices which could result in
severe personal injury or death.
Signal words are used in combination with colors and/or pictures
CAUTION - Hazards or unsafe practices which may result in or product labels.
minor personal injury or product or property damage.
NOTE - Used to highlight suggestions which wilt result in en- z_ Safety-alert symbol
hanced installation, reliability, or operation. When you see this symbol on the unit and in instructions or manu-
als, be alert to the potential for personal injury.
TABLE OF CONTENTS
DIMENSIONS ............................................... 3
SAFETY CONSIDERATIONS .................................. 3
INTRODUCTION ............................................ 4
CODES AND STANDARDS ................................... 5
SAFETY ................................................ 5
GENERAL INSTALLATION ................................ 5
COMBUSTION AND VENTILATION AIR ..................... 5
DUCT SYSTEMS ........................................ 5
ACOUSTICAL LINING AND FIBROUS GLASS DUCT ......... 5
GAS PIPING AND GAS PIPE PRESSURE TESTING .......... 5
ELECTRICAL CONNECTIONS ............................ 5
VENTING .............................................. 5
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS ........... 5
LOCATION ................................................. 6
AIR FOR COMBUSTION AND VENTILATION .................... 7
INSTALLATION .............................................. 10
UPFLOW INSTALLATION ................................. 10
DOWNFLOW INSTALLATION ............................. 11
FILTER ARRANGEMENT ................................. 12
AIR DUCTS ............................................. 13
AIR DELIVERY - CFM .................................... 14
ELECTRICAL CONNECTIONS ............................ 20
115-V WIRING .......................................... 20
J-BOX RELOCATION .................................... 20
ELECTRICAL CONNECTION TO J-BOX .................... 20
ELECTRICAL DATA ...................................... 21
24-V WIRING ........................................... 22
ACCESSORIES ......................................... 22
VENTING .................................................. 23
GENERAL VENTING REQUIREMENTS ..................... 23
MASONRY CHIMNEY REQUIREMENTS .................... 24
APPLIANCE APPLICATION REQUIREMENTS ............... 26
ADDITIONAL VENTING REQUIREMENTS .................. 26
SIDEWALL VENTING .................................... 27
START-UP, ADJUSTMENT, AND SAFETY CHECK ............... 30
GENERAL .............................................. 30
START-UP PROCEDURES ............................... 30
ADJUSTMENTS ......................................... 31
SPEED SELECTION ..................................... 32
CHECK SAFETY CONTROLS ............................. 33
CHECKLIST ............................................ 34
ORIFICE SIZE AND MANIFOLD PRESSURE ................ 35
SERVICE AND MAINTENANCE PROCEDURES ................. 39
CARE AND MAINTENANCE ................................... 39
SEQUENCE OF OPERATION ................................. 43
WIRING DIAGRAM .......................................... 44
TROUBLESHOOTING GUIDE ................................. 45
IS09001
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 .
PERSONAL INJURY, AND/OR PROPERTY
DAMAGE HAZARD
Failure to carefully read and follow this warning could
result in equipment malfunction, property damage,
3ersonal injury and/or death.
Installation or repairs made by unqualified persons
could result in equipment malfunction, property
damage, personal injury and/or death.
The information contained in this manual is intended for
use by a qualified service technician familiar with safety
3rocedures and equipped with proper tools and test
instruments.
Installation must conform with local building codes and
with the Natural Fuel Gas Code (NFCG) NFPA
54/ANSI Z223.1, and National standards of Canada
CAN/CSA-B149.1 and .2 Natural Gas and Propane
Installation Codes.
INSTALLER: Affix these instructions on or adjacent tothe furnace.
CONSUMER: Retain these instructions for future reference.
Portionsof the text andtables are reprintedfrom NFPA 54/ANSI Z223.t -20096), with permission of National Fire Protection Association, Quincy, MA 02269 and American Gas Association, Washing-
ton, DC 20001. This reprinted material is not the complete and official position of the NFPA or ANSI, on the referenced subiect, which is represented only by the standard in itsentirety,
PrintedinU.S.A. 441 01 1402 02 May. 2012
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Summary

Installation Instructions

Safety Labeling and Signal Words

Explains the meaning of signal words like DANGER, WARNING, CAUTION, and NOTE.

Signal Words in Manuals

Details how WARNING and CAUTION are used in the manual.

Signal Words on Product Labeling

Describes signal words used with colors/pictures on product labels.

Safety Signal Word Definitions

Defines DANGER, WARNING, CAUTION, and NOTE to identify hazard levels.

General Installation Warning

Warns about risks of malfunction, property damage, injury, or death from improper installation.

Safety Considerations

Fire, Explosion, Electrical Shock, and Carbon Monoxide Hazards

Warning about hazards from improper installation, adjustment, alteration, or service.

Furnace Reliability Hazard

Caution about potential unit component damage from improper application or installation.

Cut Hazard

Caution about sharp edges or burrs on sheet metal parts.

Safety Information and Signal Words

Alerts users to the safety-alert symbol and signal words DANGER, WARNING, CAUTION, NOTE.

Installation Requirements

Clearance to Combustible Construction

Specifies minimum clearances from furnace to combustible materials for various orientations.

Downflow Installation Clearances

Details clearance requirements for downflow installations on combustible flooring.

Furnace Introduction and Specifications

Describes the multipoise furnace, its certification, and operating limits.

Codes and Standards Compliance

Safety Codes and Standards

Lists safety codes for installation, including NFGC, ANSI Z223.1, and NFPA 90B.

Electrostatic Discharge (ESD) Precautions

Provides steps to prevent ESD damage to electronic components during installation.

Furnace Location Requirements

Carbon Monoxide and Unit Damage Location Warning

Warns about corrosive air contaminants affecting furnace life and safety.

General Furnace Installation Guidelines

Covers shipping configuration, electrical protection, and location near vents.

Garage Installation Fire, Injury, or Death Hazard

Construction Heat Personal Injury and Property Damage Caution

Caution for using furnace for heating buildings under construction, specifying conditions.

Furnace Corrosion Hazard

Carbon Monoxide Poisoning Hazard

Warns about negative pressure conditions affecting combustion air supply.

Outdoor Combustion Air Method Requirements

Details requirements for providing outdoor air for combustion and ventilation.

Standard Method for Combustion Air

Known Air Infiltration Rate Method

Details requirements for air supply when infiltration rate is known.

Furnace Installation

Upflow Installation

Instructions for installing furnace in an upflow configuration with bottom return air.

Side Return Air Inlet Installation

Guidance on using side return air inlets in upflow and horizontal configurations.

Leveling Legs Installation

Downflow Installation Requirements

Specifies approved accessories for downflow installation on combustible flooring.

Horizontal Installation

Horizontal Installation Fire and Explosion Hazard

Warns about hazards of improper horizontal installation, especially on back or hanging.

Suspended Furnace Support Methods

Describes methods for supporting a furnace when suspended from floor joists or rafters.

Platform Furnace Support

Guidance on constructing a working platform for furnace installation.

Roll-Out Protection Measures

Specifies sheet metal requirements for flame roll-out protection.

Filter Arrangement and Requirements

Details requirements for air filter installation and type.

Air Duct System Design

General Air Duct Requirements

Covers duct system design, sizing, and connections according to standards.

Ductwork Acoustical Treatment

Discusses acoustical lining and fibrous ductwork requirements.

Supply Air Connection Procedures

Details how to connect the supply air duct to the furnace outlet.

Upflow and Horizontal Furnace Ducting

Downflow Furnace Ducting

Instructions for connecting supply-air ducts to downflow furnaces.

Return Air Connection Procedures

Details for connecting return-air ducts to furnace openings.

Gas Piping Installation

Covers installation of gas piping, including warnings.

Gas Piping Pressure and Leak Testing

Electrical Connections

Electrical Shock Hazard - Blower Door Switch

Warning about electrical shock from blower access door switch.

Electrical Shock and Fire Hazard - Grounding

Warning about the importance of proper grounding for electrical safety.

Furnace Operation Caution - Control Grounding

Caution that improper grounding may result in intermittent furnace operation.

115-V Wiring Requirements

Guidance on verifying voltage, phase, and service for 115-v wiring.

Fire Hazard - Wire Type and Disconnect

Warning against using aluminum wire and the need for a fused branch circuit.

J-Box Relocation Procedure

Instructions for relocating the junction box to a different position.

Electrical Connection to J-Box

Steps for connecting electrical wiring to the furnace junction box.

Fire or Electrical Shock Hazard - Disconnect Switch Mounting

Warning about mounting disconnect switches on furnace casing.

BX Cable Installation in J-Box

Power Cord Installation in J-Box

Instructions for routing and securing power cords in the furnace junction box.

24-V Wiring Procedures

Electronic Air Cleaner (EAC) Connection

Details on connecting an Electronic Air Cleaner to the control board.

Humidifier Connections

General Venting Requirements

Lists safety codes for proper vent sizing and installation.

Carbon Monoxide Venting Hazard

Warns about hazards when appliances are operated with venting system not in operation.

Masonry Chimney Requirements

NFPA 54;ANSI Z223.1-2009 Venting Requirements

Specifies sections of NFGC and authority requirements for relining.

Clay Tile-Lined Masonry Chimney Venting Conditions

Lists conditions for venting into a clay tile-lined masonry chimney.

Appliance Application Requirements

Preventing Condensation in Furnace and Vent System

Precautions to prevent condensation, including return air temperature and gas input rate.

Combustion Air Contaminant Hazards

Warns about halogen compounds in combustion air causing corrosion.

Vent Damper Warning

Warns against using vent dampers on appliances common vented with this furnace.

Additional Venting Requirements

Specifies requirements for vent connector sizing and type.

Burn Hazard Warning for Vent Pipe

Sidewall Venting Not Approved

States that direct sidewall horizontal venting is not approved.

Start-Up, Adjustment, and Safety Check

General Start-Up Procedures

General checks before starting the furnace, including safety warnings.

Fire Hazard - Limit Switches

Warning about furnace limit switches and combustion air supply.

Cut Hazard During Maintenance

Caution about sharp edges on sheet metal during maintenance.

Start-Up Procedures

Step-by-step guide for starting the furnace and performing initial checks.

Fire and Explosion Hazard During Start-Up

Warning about testing for gas leaks and purging gas lines.

Electrical Shock Hazard - Blower Door Switch

Furnace Damage Hazard - Orifice Drilling

Caution against improper drilling of orifices, which can cause burner noise and failures.

Determine Correct Gas Input Rate

Instructions for determining correct gas input rate based on altitude and BTUH.

Orifice and Manifold Pressure Adjustment

Guidance on selecting correct orifices and setting manifold pressure.

Adjust Manifold Pressure for Input Rate

Verify Natural Gas Input Rate by Meter Clocking

Procedure to verify input rate by measuring gas meter revolutions.

Set Temperature Rise

Instructions for setting the air temperature rise within specified ranges.

Electrical Shock Hazard - Speed Tap Change

Warning about disconnecting power before changing blower speed tap.

Furnace Overheating Hazard - Temperature Rise

Set Thermostat Heat Anticipator

Guidance on setting the heat anticipator for mechanical and electronic thermostats.

Adjust Heat Off Delay

Instructions for adjusting the heat off delay settings using jumpers.

Set Airflow CFM for Cooling

Instructions for selecting blower motor speed for cooling airflow.

Check Main Limit Switch

Procedure to test the main limit switch for proper operation.

Check Draft Safeguard Switch

Purpose of the draft safeguard switch and how it causes safe shutdown.

Installation Checklist

Service and Maintenance Procedures

Fire, Explosion, Electrical Shock Hazards During Service

General warnings for performing maintenance on the equipment.

Electrical Shock, Fire, or Explosion Hazard During Service

Warning to disconnect power and use lockout tag before servicing.

Electrical Operation Hazard - Wiring Errors

Caution about labeling wires and potential dangers of wiring errors.

Environmental Hazard - Component Disposal

Caution regarding proper disposal of components to prevent pollution.

Introduction to Service Procedures

Explains the context of service instructions, especially for upflow applications.

General Service and Maintenance Overview

States that periodic maintenance is required for high performance and to minimize failure.

Electrical Controls and Wiring

Covers electrical connections, wiring, and control system information.

Care and Maintenance for High Performance

Emphasizes periodic maintenance for optimal performance and to prevent failures.

Fire or Explosion Hazard - Storage Near Furnace

Electrical Shock and Fire Hazard - Disconnect Power

Warning to turn off gas and electrical supplies and use lockout tag before maintenance.

Carbon Monoxide and Fire Hazard - Filter Usage

Warns against operating the unit without a filter or with the access door removed.

Cut Hazard During Maintenance

Caution about sharp edges on sheet metal parts during maintenance.

Minimum Furnace Maintenance Tasks

Lists essential maintenance tasks to be performed on the furnace.

Cleaning and Replacing Air Filter

Instructions for cleaning or replacing the air filter.

Cut Hazard - Sheet Metal Handling

Caution about sharp edges on sheet metal parts when handling.

Blower Motor and Wheel Maintenance

Procedures for cleaning and maintaining the blower motor and wheel.

Unit Damage Hazard - Heat Exchanger Life

Cleaning the Heat Exchanger

Steps to be performed by a qualified service agency for heat exchanger cleaning.

Heat Exchanger Soot and Carbon Accumulation

Note that heavy soot indicates a problem requiring correction, not just cleaning.

Heat Exchanger Cleaning Procedure

Step-by-step guide for cleaning heat exchangers due to dust or corrosion.

Sequence of Operation

Grounding Requirement for Furnace Control

Note that furnace control must be grounded for proper operation.

Heating Sequence of Operation

Detailed steps of the furnace operation during a heating call.

Cooling Mode Sequence of Operation

Detailed steps of the furnace operation during a cooling call.

Continuous Blower Mode Operation

Describes how the blower operates in continuous mode.

Heat Pump Sequence of Operation

Explains furnace control behavior when used with a heat pump.

Wiring Diagrams Reference

Directs users to figures for wiring diagrams.

Troubleshooting Guide Reference

Directs users to the service label and troubleshooting guide.

Single Stage Troubleshooting Guide

Troubleshooting Start Point

Initial step in the troubleshooting guide to check basic power and connections.

Determine Status Code

Instructions on how to identify and interpret status codes displayed by the control LED.

Component Test Sequence

Procedure for running individual furnace components to test functionality.

Kenmore N8MSN0701716A1 Specifications

General IconGeneral
Model NumberN8MSN0701716A1
BrandKenmore
CategoryFurnace
Efficiency80%
AFUE80%
Blower Motor TypePSC
Vent TypeNatural Draft
Ignition TypeElectronic
BTU Input70, 000 BTU

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