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USER'S INFORMATION,
MAINTENANCE AND
SERVICE MANUAL
MODELS: PC9*DH, FC9C*DH, FL9C*DH
(Modulating Downflow/Horizontal With ECM Motor)
CONTACT INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
USER'S INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
FURNACE INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
HOW YOUR GAS FURNACE WORKS . . . . . . . . . . . . . . . . . . . . . . 3
START-UP AND SHUTDOWN INSTRUCTIONS . . . . . . . . . . . . . . . 3
Operating Instructions: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
To Turn Off the Appliance: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
FURNACE USER MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Blower Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Removing Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Motor Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
SERVICE AND MAINTENANCE MANUAL . . . . . . . . . . . . . . . . . . . . . 5
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
FURNACE MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
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:
The manufacturer recommends that the user read all sec-
tions of this manual and keep the manual for future refer-
ence.
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
FURNACE CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Burner Removal/Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Cleaning the Heat Exchanger . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Cleaning the Secondary Heat Exchanger . . . . . . . . . . . . . . . . . . .5
Cleaning the Vent / Air Intake System . . . . . . . . . . . . . . . . . . . . . .5
NORMAL OPERATION SEQUENCE . . . . . . . . . . . . . . . . . . . . . . . .5
ADJUSTMENT OF FAN CONTROL SETTINGS . . . . . . . . . . . . . . . .6
Delay Taps Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Humidistat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Hot Surface Ignition System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
FURNACE CONTROL DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . .7
DIAGNOSTIC FAULT CODE STORAGE AND RETRIEVAL . . . . . .7
REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
REPLACEMENT PART CONTACT INFORMATION . . . . . . . . . . . . .10
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
LIMITED WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
York International
Consumer Relations
5005 York Drive
Norman, OK 73069
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.
EFFICIENCY
RATING
CERTIFIED
ISO 9001
Certified Quality
Management System
292307-UUM-A-0108
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Table of Contents
Related Manuals for York PC9 DH Series
Summary of Contents for York PC9 DH Series
-
Page 1: Table Of Contents
FURNACE MAINTENANCE ....... 5 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:... -
Page 2: Instructions For Examining The
292307-UUM-A-0108 INSTRUCTIONS FOR EXAMINING THE FURNACE INSTALLATION VENT PIPE It is the owner’s responsibility to ensure that an annual inspection of the BLOWER CONDENSATE entire heating portion of the unit is made by a qualified service agency. ACCESS HOSE PANEL Examine the heat exchanger, through a field installed access panel located on the supply air plenum. -
Page 3: How Your Gas Furnace Works
292307-UUM-A-0108 HOW YOUR GAS FURNACE WORKS To Turn Off the Appliance: Your furnace is a very easy appliance to take for granted. Season after Set the thermostat to lowest setting. season, it sits there in your home, keeping you warm and comfortable. Turn off all electric power to the appliance if service is to be per- For this reason, you may never have given much thought to the way formed. -
Page 4: Furnace User Maintenance
292307-UUM-A-0108 FURNACE USER MAINTENANCE FILTER RACK RACK AND FILTERS SECURED INSIDE BLOWER SECTION FOR SHIPMENT Before proceeding, be sure the area is well ventilated. Turn the thermostat OFF. If the blower is running, wait until it CASING SIZE DIMENSION FH stops automatically. -
Page 5: Motor Lubrication
292307-UUM-A-0108 If, during the inspection of your furnace, you find any of the following Disconnect wires from flame sensor, rollout switch and HSI igniter. conditions: Remove igniter carefully, as it is easily broken. • Excessive amounts of dust and lint on components. Remove the screws that hold the burner box assembly to the vest •... -
Page 6: Adjustment Of Fan Control Settings
292307-UUM-A-0108 The inducer is energized and ramps up its speed until airflow is proven by the pressure switch and by the pressure sensor on the control board. The hot surface ignitor is energized. INDICATOR HUMIDIFIER After a 17-20 second igniter heatup, the gas valve opens and the TERMINALS burners light. -
Page 7: Hot Surface Ignition System
292307-UUM-A-0108 Hot Surface Ignition System Rapid Amber Flash - Low flame sense current. Check for dirty or mis- located flame sensor rod. One Red Flash - Flame is present with no power being supplied to gas valve. This can be caused by a gas valve that is slow to close or that leaks gas through to the burners. -
Page 8: Replacement Parts List
292307-UUM-A-0108 SECTION III: REPLACEMENT PARTS LIST 9,37 55,56 Unitary Products Group... - Page 9 292307-UUM-A-0108 ITEM DESCRIPTION ITEM DESCRIPTION MISCELLANEOUS MOTOR PLUG, WINDOW, CLEAR - 1.5” MOTOR, DIRECT DRIVE BLOWER COMBUSTION AIR TRANSITION, 3-WAY MOTOR, INDUCER ASSY TUBING, SILICONE (Gray, .188 ID, 2.83 ft. Req’d) ELECTRICAL TUBING, SILICONE (Preformed) CAPACITOR TUBING, SILICONE (Gray, .188 ID, 1.25 ft. Req’d) SWITCH, LIMIT (INDUCER) GASKET, COMBUSTION BLOWER LIMIT, TEMPERATURE (Primary)
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Page 10: Replacement Part Contact Information
Click on the “Brand Links” button b. Click on the “Customer Service” button • You can contact us by mail. Just send a written request to: York International Consumer Relations 5005 York Drive Norman, OK 73069 Unitary Products Group... -
Page 11: Wiring Diagram
292307-UUM-A-0108 SECTION IV: WIRING DIAGRAM FIGURE 9: Wiring Diagram Unitary Products Group... -
Page 12: Limited Warranty
PRODUCT MODEL. NO. ____________________ INSTALLATION DATE ______________________________ UNIT SERIAL NO. _________________________ INSTALLING DEALER ______________________________ Subject to change without notice. Printed in U.S.A. 292307-UUM-A-0108 Copyright © by Unitary Products Group 2008. All rights reserved. Supersedes: 172988-UUM-C-0606 Unitary 5005 Norman Products York Group Drive 73069...
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