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035-17737-003 Rev. A (0504)

USER’S INFORMATION,
MAINTENANCE AND 
SERVICE MANUAL

MODELS: 92% GF9 / GM9 / GY9 (Upflow)

EFFICIENCY
RATING
CERTIFIED

This product was manufactured
in a plant whose quality system
is certified/registered as being
in conformity with ISO 9001.

The manufacturer recommends that the user read all sec-
tions of this manual and keep the manual for future refer-
ence.

 

SECTION I: USER’S INFORMATION

SAFETY

1.

The furnace area must be kept clear and free of combustible mate-
rials, gasoline and other flammable vapors and liquids.

2.

Insulating materials may be combustible. The furnace must be
kept free and clear of insulating materials. The furnace area must
be examined when installed in an attic or other insulated space or
when insulation is added to be sure that the insulation material has
been kept away from the furnace.

3.

The furnace needs air for combustion in order to operate properly
and safely. Do not block or obstruct air openings on the furnace,
air openings to the area where the furnace is installed, or spaces
around the furnace.

4.

Follow the instructions exactly as shown on the OPERATING
INSTRUCTION LABEL or the Start-up and Shutdown Instructions
on Page 3 of this manual when lighting the furnace or turning the
furnace off.

5.

Should the gas supply fail to shut off or if overheating occurs, shut
off the gas valve to the furnace before shutting off the electrical
supply.

6.

Do not use this furnace if any part has been under water. A flood-
damaged furnace is extremely dangerous. Attempts to use the fur-
nace can result in fire or explosion. A qualified service agency
should be contacted to inspect the furnace and replace all gas
controls, control system parts, electrical parts that have been wet
or the furnace if deemed necessary.

FIRE OR EXPLOSION HAZARD - 

Failure to follow

safety warnings exactly could result in serious injury,
death, or property damage.

— Do not store or use gasoline or other flammable

vapors and liquids in the vicinity of this or any
other appliance.

—  WHAT TO DO IF YOU SMELL GAS:

Do not try to light any appliance.

Do not touch any electrical switch; do not use any 
phone (included cell phone) in your building.

Leave the building immediately.

Immediately call your gas supplier from a neighbor’s 
phone. Follow the gas supplier’s instructions.

If you cannot reach your gas supplier, call the fire 
department.

—  Installation and service must be performed by a 

qualified installer, service agency or the gas sup-
plier.

CONTACT INFORMATION

Go to website at www.york.com click on “contact”, then click on “contact form” and follow the instructions.

Contact us by mail:

York International

Consumer Relations

5005 York Drive

Norman, OK 73069

TABLE OF CONTENTS

CONTACT INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

USER’S INFORMATION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

SAFETY   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
INSTRUCTIONS FOR EXAMINING THE FURNACE 
INSTALLATION   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
HOW YOUR GAS FURNACE WORKS   . . . . . . . . . . . . . . . . . . . . . . 3
START-UP AND SHUTDOWN INSTRUCTIONS  . . . . . . . . . . . . . . . 3

Read the Instructions Below Before Trying to Start the Furnace . . 3
Operating Instructions: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
To Turn Off the Appliance: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

FURNACE USER MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . 4

SERVICE AND MAINTENANCE MANUAL . . . . . . . . . . . . . . . . . . . . . 4

SAFETY SECTION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
FURNACE MAINTENANCE SECTION . . . . . . . . . . . . . . . . . . . . . . . 4

Air Filters  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Replacing Filters   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Blower Care  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Motor Lubrication  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

SEQUENCE OF OPERATION   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Continuous Blower  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Intermittent Blower - Cooling   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Heating Cycle  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Hot Surface Ignition System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

FURNACE CLEANING SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Burner Removal/Cleaning   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Cleaning the Heat Exchanger   . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Cleaning the Secondary Heat Exchanger   . . . . . . . . . . . . . . . . . . .6

TROUBLESHOOTING   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
FURNACE CONTROL DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . .6
DIAGNOSTIC FAULT CODE STORAGE AND RETRIEVAL   . . . . . .7

REPLACEMENT PARTS LIST   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

FIELD INSTALLED ACCESSORIES - NON-ELECTRICAL   . . . . . .10

REPLACEMENT PART CONTACT INFORMATION . . . . . . . . . . . . .10
WIRING DIAGRAM   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
LIMITED WARRANTY  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Содержание 92% GF9

Страница 1: ...wet or the furnace if deemed necessary FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury death or property damage Do not store or use gasoline or other...

Страница 2: ...nace casing making sure the physical support is sound without sagging cracks or gaps Examine the furnace base making sure it is physically sound without cracks gaps or sagging and has a good seal 5 Ex...

Страница 3: ...es to clear out any gas If you then smell gas STOP Follow B in the safety information above If you don t smell gas go to next step 7 Move gas control switch to the ON position Do not force See Figure...

Страница 4: ...e cabinet Some installations may have the air filter in a rack attached to the cas ing of the furnace or placed in the return air duct If the filter location or replacement process is not obvious cont...

Страница 5: ...nue until the thermostat circuit between R and W is opened which causes the ignition system and gas valve to de energize and the burner flames to be extinguished The vent motor will operate for an add...

Страница 6: ...em by setting the thermostat above the room temperature Observe the system s response Then use the troubleshooting section in this manual to check the system s operation FURNACE CONTROL DIAGNOSTICS Th...

Страница 7: ...s 6 7 8 will be reset This provides protection to an unoccupied structure if a temporary condition exists causing a furnace malfunction An example would be a low incoming gas supply pressure preventin...

Страница 8: ...ry Products Group SECTION III REPLACEMENT PARTS LIST 11 5 1 15 16 3 14 4 2 6 10 9 12 13 7 32 27 54 40 25 52 21 26 29 38 34 35 30 46 22 20 62 17 57 51 59 64 61 55 41 65 48 45 24 63 23 14 58 19 9 37 28...

Страница 9: ...ay 188 ID 2 ft req d 41 TUBING SILICONE Clear with insert 1 3 ft req d 42 GASKET AIR INTAKE 43 GASKET COMBUSTION BLOWER 44 GASKET CONDENSATE PAN 45 GASKET UPPER CONDENSATE PAN 46 GASKET GAS CONTROLS 4...

Страница 10: ...R0324 1NK0301 CONDENSATE NEUTRALIZER KIT 1SF0101 EXTERNAL SIDE RETURN FILTER RACK GF9 ONLY REPLACEMENT PART CONTACT INFORMATION This is a generic parts list To request a complete parts list refer to t...

Страница 11: ...035 17737 003 Rev A 0504 Unitary Products Group 11 SECTION IV WIRING DIAGRAM FIGURE 8 Wiring Diagram...

Страница 12: ...s only to products installed in the United States and Canada EXCLUSIONS This warranty does not cover any 1 Shipping labor or material charges 2 Damages resulting from transportation installation or se...

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