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1

1999

45,000 to 120,000 Btuh (13.2 to 35.2 kW) Heating  Capacity

1 through 5 Tons (3.5 to 17.6 kW) Add-On Cooling

F8AUH

Gas Furnaces – Up-Flow / Horizontal

User’s Information Manual

RETAIN THESE INSTRUCTIONS

FOR FUTURE REFERENCE

503,995M

06/99

Supersedes 05/99

Table of Contents

Important Directions

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . 

Venting System Inspection

5

. . . . . . . . . . . . . . . . . . . . . 

Lighting Information and Operation

3

. . . . . . . . . . . . . . 

Flame Rollout Safety Switches

5

. . . . . . . . . . . . . . . . . . 

Filters

4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Safety Reminder

5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Blower

5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Safety Precautions

5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Burner Flame

5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Planned Service

6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Model Number Identification

Additive Cooling (Nominal)

18 - 1.5 Ton ( kW)

24 - 2 Ton ( kW)

30 - 2.5 Ton ( kW)

36 - 3 Ton ( kW)

42 - 3.5 Ton ( kW)

48 - 4 Ton ( kW)

60 - 5 Ton ( kW)

Generation

AFUE

8 - 80%

9 - 90%

Furnace

Cabinet Color

L - Beige

G - Gray

B - Brown

R - Green

S - Silver

Door Color

L - Beige

G - Gray

B - Brown

R - Green

S - Silver

Btuh Input (kW)

045 - 45,000 (13.2)

060 - 60,000 (17.6)

075 - 75,000 (22.0)

100 - 100,000 (29.3)

120 - 120,000 (35.1)

NOTE - Shaded area denotes part of

model no. referenced in publication.

Gas Valve

2 - Two Stage Valve

Blank Ć Single Stage Valve

Blower Motor

V - Variable Speed Motor

Blank - MultiĆSpeed Motor

Options

X - Low NO

x

P - LPG/Propane Gas

S - Stainless Steel Heat Exchanger

Z - Stainless Steel Heat Exchanger/Low NO

x

Blank - No options

Configuration

UF - Up-Flow

DF - Down-Flow

HZ - Horizontal

MP- Multi-Position

DH- Downflow/Horizontal

UH- Up-Flow/Horizontal

V

–24

*

F

A

8

*

UH

X

–045

2

WHAT TO DO IF YOU SMELL GAS:

If the information in this manual is not

followed  exactly,  a  fire  or  explosion

may result causing property damage,

personal injury or death.

WARNING

Do not store or use gasoline or othĆ

er flammable vapors and liquids in

the vicinity of this or any other apĆ

pliance.
Installation  and  service  must  be

performed  by  a  qualified  installer,

service agency or the gas supplier.

Do not try to light any appliance.

Do not touch any electrical switch; do not

use any phone in your building.

Immediately call your gas supplier from a

neighbor's phone. Follow the gas suppliĆ

er's instructions.

If you cannot reach your gas supplier, call

the fire department.

Extinguish any open flames.

FBR 113270

Содержание F8AUH Series

Страница 1: ...ferenced in publication Gas Valve 2 Two Stage Valve Blank Ć Single Stage Valve Blower Motor V Variable Speed Motor Blank MultiĆSpeed Motor Options X Low NOx P LPG Propane Gas S Stainless Steel Heat Exchanger Z Stainless Steel Heat Exchanger Low NOx Blank No options Configuration UF Up Flow DF Down Flow HZ Horizontal MP Multi Position DH Downflow Horizontal UH Up Flow Horizontal V 24 F A 8 UH X 045...

Страница 2: ...an to inspect the furnace and to replace any part of the control system and any gas control which has been under water CAUTION Before attempting to perform any service or mainteĆ nance turn the electrical power to unit OFF at disĆ connect switch IMPORTANT Any additions changes or conversions required in order for the appliance to satisfactorily meet the apĆ plication needs must be made by a qualif...

Страница 3: ...n and the opĆ erating environment It is your responsibility to ensure that this appliance is maintained Proper maintenance is critical for your safety and the satisfactory operation of the product Annual inspection and maintenance of this appliance is strongly recommended Contact your dealer for an inspection by a qualified service technician Your furnace is designed to meet standards set by natio...

Страница 4: ...gas line 12 If the appliance still will not operate follow the instructions To Turn Off Gas To Unit and call your service technician or gas supplier To Turn Off Gas To Unit 1 Set thermostat to lowest setting 2 Turn off all electrical power to unit if service is to be performed 3 Remove control access panel 4 Switch lever on White Rodgers gas valve to OFF turn knob on Honeywell valve clockwise to O...

Страница 5: ...due to the functioning of these safety switches DO NOT attempt to place the furnace into operation Contact a qualified service technician Safety Reminder Call a qualified service technician if unit is inoperaĆ tive Before calling always check the following to be sure service is required 1 Check that electrical disconnect switches are ON 2 Are access panels securely in place 3 Check room thermostat...

Страница 6: ... be inspected for rust dirt or signs of waĆ ter Vent pipe Must be inspected for signs of water damĆ aged or sagging pipe or disconnected joints Unit appearance Must be inspected for rust dirt signs of water burnt or damaged wires or components Fan access door Must be properly in place and provide a seal between the return air and the room where the furĆ nace is installed Return air duct Must be pr...

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