Sears N9MP1 Furnace User Manual


 
904 N9MP1 & N9MP2
SingleStage *9MPD
SAFETY REQUIREMENTS
A
Recognize safety information. This is the safety-alert symbol/ ._\. When you see this symbol on the furnace and in instructions or manuals be alert
to the potential for personal injury.
Understand the signal words DANGER, WARNING, or CAUTION. These words are used with the safety-alert symbol. DANGER identifies the
most serious hazards, those that will result in severe personal injury or death. WARNING signifies a hazard that could result in personal injury or
death. CAuT__N is used t_ identify unsafe _ractices that c_u_d resu_t in min_r _ers_na_ injury _r _r_duct and _r__erty damage.
Installing and servicing heating equipment can be hazardous due to gas and electrical components. Only trained and qualified personnel should
install, repair, or service heating equipment.
Untrained service personnel can perform basic maintenance functions such as cleaning and replacing air filters. All other operations must be
performed by trained service personnel. When working on heating equipment, observe precautions in the literature, on tags, and on labels attached
to or shipped with the unit and other safety precautions that may apply.
Follow all safety codes. In the United States, follow all safety codes including the current edition National Fuel Gas Code (NFGC) NFPA No.
54/ANSIZ223.1. InCanada, refer tothecurrent editionofthe NationalStandard Canada CAN/CGA-B149.1- and.2-M91 NaturalGasand Propane
InstallationCodes (NSCNGPIC). Wearsafetyglassesandworkgloves. Havefireextinguisher availableduringstart-upandadjustment procedures
and service calls.
These instructions cover minimum requirements and conform to existing national sta nda rds and safety codes. In some insta rices, these instructions
exceed certain local codes and ordinances, especially those that may not have kept up with changing residential construction practices. We requre
these instructions as a minimum for a safe installation.
FAN ASSISTED, DIRECT VENT GAS FURNACE
Manufactured by:
International Comfort Products Corporation (USA)
Lewisburg, TN 37097
Table of Contents
1.SafeInstallationRequirements................. 4
2.Installation................................ 5
3.Combustion&VentilationAir .................. 8
4.Vent& CombustionAirPiping ................ 11
5.GasSupply andPiping...................... 30
6.ElectricalWiring ........................... 33
7.DuctworkandFilter ........................ 34
8. ChecksandAdjustments.................... 38
9.FurnaceMaintenance ....................... 39
10.SequenceofOperation& Diagnostics.......... 40
11.ConcentricVentTermination................. 44
12.TechSupport andParts ..................... 49
FIRE OR EXPLOSION HAZARD
This furnace is not designed for use in mobile
homes, trailers or recreational vehicles.
Such use could result in death, bodily injury
and/or property damage.
PrintedinU.S.A. LPI 12/03/2002 440 01 1114 (00)