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035-20647-001 Rev. A (1004)

USER’S INFORMATION,

MAINTENANCE AND

SERVICE MANUAL

HIGH EFFICIENCY

TUBULAR HEAT EXCHANGER SERIES

MODELS: PS9 / FC9S / FL9S

(Single Stage Downflow/Horizontal)

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 (including 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.

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 . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Blower Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Removing Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

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

SERVICE AND MAINTENANCE MANUAL . . . . . . . . . . . . . . . . . . . . .5

SAFETY SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

FURNACE MAINTENANCE SECTION . . . . . . . . . . . . . . . . . . . . . . .5

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

Continuous Blower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Intermittent Blower - Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Heating Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Hot Surface Ignition System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

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

Burner Removal/Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Cleaning the Heat Exchanger . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Cleaning the Secondary Heat Exchanger . . . . . . . . . . . . . . . . . . .6

Cleaning the Vent / Air Intake System . . . . . . . . . . . . . . . . . . . . . .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

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

1 2 3 4 5 6 ... 11 12

Inhaltsverzeichnis

Seite 1 - SERVICE MANUAL

035-20647-001 Rev. A (1004)USER’S INFORMATION,MAINTENANCE AND SERVICE MANUALHIGH EFFICIENCYTUBULAR HEAT EXCHANGER SERIESMODELS: PS9 / FC9S / FL9S (Sin

Seite 2 - INSTALLATION

035-20647-001 Rev. A (1004)10 Unitary Products GroupFIELD INSTALLED ACCESSORIES - NON-ELECTRICALMODEL NO. DESCRIPTION USED WITH1NP0347 PROPANE (LP) CO

Seite 3

035-20647-001 Rev. A (1004)Unitary Products Group 11SECTION IV: WIRING DIAGRAM FIGURE 9: Wiring Diagram

Seite 4 - Removing Filters

Seite 5 - NEUTRALS

035-20647-001 Rev. A (1004)2 Unitary Products Group7. NEVER . . .Store flammable materials of any kind near your fur-nace. Gasoline, solvents, and oth

Seite 6

035-20647-001 Rev. A (1004)Unitary Products Group 3HOW YOUR GAS FURNACE WORKSYour furnace is a very easy appliance to take for granted. Season afterse

Seite 7 - RETRIEVAL

035-20647-001 Rev. A (1004)4 Unitary Products GroupThe blower can be serviced/removed from the inside blower accesspanel. In order to facilitate this

Seite 8 - 8 Unitary Products Group

035-20647-001 Rev. A (1004)Unitary Products Group 5Do not operate the furnace. Call a certified dealer / qualified serviceagency to check and / or cle

Seite 9 - Unitary Products Group 9

035-20647-001 Rev. A (1004)6 Unitary Products GroupHot Surface Ignition SystemFURNACE CLEANING SECTIONNOTE: The cleaning operations listed below must

Seite 10 - 10 Unitary Products Group

035-20647-001 Rev. A (1004)Unitary Products Group 73 RED FLASHES: This indicates the normally open pressure switchcontact did not close after the indu

Seite 11 - SECTION IV: WIRING DIAGRAM

035-20647-001 Rev. A (1004)8 Unitary Products GroupSECTION III: REPLACEMENT PARTS LIST2571011131417182932343537414246556367757472714585882627613451615

Seite 12 - Limited Warranty

035-20647-001 Rev. A (1004)Unitary Products Group 9ITEM DESCRIPTIONMOTOR1MOTOR,DIRECT DRIVE BLOWER2 MOTOR, INDUCER ASS’YELECTRICAL3 CAPACITOR, RUN4 SW

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