Sears N9MP2080F16B1, N9MP2050B12B1, N9MP2075B12B1 manual SingleStage, Table of Contents

N9MP1 & N9MP2

90 SingleStage

*9MPD *Denotes Brands (C, H, T)

CategoryIVFurnaceFAN ASSISTED, DIRECT

VENT GAS FURNACE

SAFETY

REQUIREMENTS

Recognize

safety

information.

This is the

safety-

alert

symbolZ.l_.

When

you

see

this

symbol

on

the

furnace

and

in instructions

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__Nis

used

t_

identify

unsafe

practices

that

c_u_d

resu_t

in

min_r

pers_na_

injury

_r pr_duct

and

pr__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)

ANSI

Z223.1-2002/NFPA

No.

54-2002.

In Canada,

refer

tothecurrent

edition

of the National

Standard

of Canada

Natural

Gas

and

Propane

Installation

Code

(NSCNGPIC)

CSA

B149.1-00.

Wear

safety

glasses

and

work gloves.

Have

fire

extinguisher

available

during

start-up

and

adjustment

procedures

and

service

calls.

These

instructions

cover

minimum

requirements

and

conform

to existing national standards and safety codes. In some instances, these instructions

exceed

certain

local codes

and

ordinances,

especially

those

that

may

not

have

kept up

with

changing

residential

construction

practices.

We

require

these

instructions

as

a minimum

for

a safe

installation.

INSTALLER: Affix these instructions on or adjacent to the furnace.

CONSUMER: Retain these instructions for future reference.

International Comfort Products, LLC

Lewisburg, TN 37091 U.S.A.

Table of Contents

1. SafeInstallationRequirements	3	7. Ductworkand Filter	35
2. Installation	4	8. Checksand Adjustments	38
3. Combustion& VentilationAir	8	9. FurnaceMaintenance	40
4.Vent& CombustionAir Piping	10	10.Sequenceof Operation& Diagnostics	41
5. GasSupply and Piping	29	11.ConcentricVentTermination	45
6. ElectricalWiring	33	TechSupport and Parts	49

ELECTRIC SHOCK HAZARD

Failure to follow safety warnings exactly could result in serious injury, death, and/or property damage.

Turn Off All Power Before

Servicing.

CARBON MONOXIDE POISNING AND FIRE HAZARD.

Failure to follow safety warnings exactly could result in serious injury, death, and/or property damage.

This furnace is not designed for use in mobile homes, trailers or recreational vehicles.

PrintedU.S.A. 07/15/2004 440 01 1020 (04)