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USER'S INFORMATION,
MAINTENANCE AND
SERVICE MANUAL
MODELS: P*DU / G8D-UH / L8D-UH
(Two Stage Upflow / LoNOx)
CONTACT INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
USER'S INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
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
Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Removing Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Blower Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Motor Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
SERVICE AND MAINTENANCE MANUAL . . . . . . . . . . . . . . . . . . . . . 5
SAFETY SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 prop-
erty 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 depart-
ment.
-
Installation and service must be performed by a quali-
fied installer, service agency or the gas supplier.
TABLE OF CONTENTS
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
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
FURNACE CONTROL DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . .6
REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
FIELD INSTALLED ACCESSORIES - NON-ELECTRICAL . . . . . .10
FIELD INSTALLED ACCESSORIES - ELECTRICAL . . . . . . . . . . .10
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 con-
trols, control system parts, electrical parts that have been wet or
the furnace if deemed necessary.
EFFICIENCY
RATING
CERTIFIED
This product was manufactured
in a plant whose quality system
is certified/registered as being
in conformity with ISO 9001.
035-19671-001 Rev. A (0404)
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Related Manuals for York International PxDU series
Summary of Contents for York International PxDU series
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Page 1: Table Of Contents
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 Norman, OK 73069 SECTION I: USER’S INFORMATION... -
Page 2: Instructions For Examining The Furnace Installation
035-19671-001 Rev. A (0404) INSTRUCTIONS FOR EXAMINING THE FURNACE INSTALLATION VENT PIPE PRESSURE INDUCER SWITCH It is the owner’s responsibility to ensure that an annual inspection of the MOTOR entire heating portion of the unit is made by a qualified service agency. INDUCER Examine the furnace as outlined below in steps “1 - 6”... -
Page 3: How Your Gas Furnace Works
035-19671-001 Rev. A (0404) HOW YOUR GAS FURNACE WORKS Turn on all electric power to the appliance. 10. Set thermostat to the desired setting. Burner will light, which may Your furnace is a very easy appliance to take for granted. Season after take 30-60 seconds. -
Page 4: Furnace User Maintenance
035-19671-001 Rev. A (0404) FURNACE USER MAINTENANCE If the air filters are on both sides of the furnace then you have a two sided return. You must replace both air filters. Table 1 will indicate 2 filters by using brackets with the number two (2). -
Page 5: Blower Care
035-19671-001 Rev. A (0404) Blower Care • The Control checks that the Low Fire Pressure Switch (1LP) is open. Even with good filters properly in place, blower wheels and motors will • The Inducer Motor is energized on high speed, closing the con- become dust laden after long months of operation. -
Page 6: Continuous Blower
035-19671-001 Rev. A (0404) DIRECT DRIVE BLOWER MOTOR Call for Cooling • The thermostat closes two circuits R to Y and R to G. Since the A failed PSC motor should always be replaced with a PSC motor suit- Outdoor Unit is connected to Y and C at the Control, it is ener- able for the furnace model being serviced. -
Page 7: Hot Surface Ignition System
035-19671-001 Rev. A (0404) TABLE 2: Replacement PSC Motor / Capacitor Information High Fire Inputs Airflow Motor Motor Capacitor Capacitor Cabinet Size Part Number Horsepower Part Number Rating BTU/H (kW) CFM (m³) 60,000 (17.6) 1,200 (33.98) 024-23271-000 024-20045-000 7.5 f 80,000 (23.4) 1,600 (45.31) 024-26002-000... -
Page 8: Furnace Control Diagnostics
035-19671-001 Rev. A (0404) FURNACE DIAGNOSTICS 6 Flash Reason: 1LP has opened five times during one call for heat. Control Module Fault Code Explanatios Effect: Control enters ‘Soft Lockout’. It will automatically reset 1 Flash (Continuous Flash; 1 second on, 1 second off) and try again after 1 hour. - Page 9 035-19671-001 Rev. A (0404) W2 SIGNAL HIGH INDUCER HIGH STAGE PRESSURE SWITCH AND 2ND STAGE MAIN VALVE CIRCULATOR HIGH HIGH HEAT SPEED HEAT DELAY 30 SEC. CALL HIGH HEAT AFTER LOW HEAT IS ESTABLISHED 2ND STAGE CLOSED HIGH LIMIT OPEN W1 SIGNAL INDUCER CLOSED...
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Page 10: Replacement Parts List
035-19671-001 Rev. A (0404) SECTION III: REPLACEMENT PARTS LIST 6,20 Unitary Products Group... - Page 11 035-19671-001 Rev. A (0404) ITEM DESCRIPTION ITEM DESCRIPTION DECK, FRONT MOTOR HEAT EXCHANGER ASS’Y MOTOR,DIRECT DRIVE BLOWER MANIFOLD, GAS MOTOR,VENTOR ASS’Y. PANEL, ACCESS (BURNERS) ELECTRICAL PAN, BASE CAPACITOR, RUN (5 MFD/370V) [RC] PANEL, FRONT (Blower) CAPACITOR, RUN (7.5MFD/370V) [RC] PANEL, TOP CONTROL, HIGH LIMIT (N-Model) CONTROL, HIGH LIMIT (L-Model) WRAPPER, INSULATED...
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Page 12: Field Installed Accessories - Non-Electrical
3. Customer Service contact information. a. 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... -
Page 13: Wiring Diagram
035-19671-001 Rev. A (0404) SECTION IV: WIRING DIAGRAM FIGURE 9: Wiring Diagram Unitary Products Group... - Page 14 035-19671-001 Rev. A (0404) NOTES Unitary Products Group...
- Page 15 035-19671-001 Rev. A (0404) Unitary Products Group...
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Page 16: Limited Warranty
PRODUCT MODEL. NO. ____________________ INSTALLATION DATE ______________________________ UNIT SERIAL NO. _________________________ INSTALLING DEALER ______________________________ Subject to change without notice. Printed in U.S.A. 035-19671-001 Rev. A (0404) Copyright © by York International Corp. 2004. All rights reserved. Supersedes: Nothing Unitary 5005...