Table of Contents
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USER'S INFORMATION,
MAINTENANCE AND
SERVICE MANUAL
HIGH EFFICIENCY
TUBULAR HEAT EXCHANGER SERIES
MODELS: PT8/ FC8T / FL8T / LC8T / LL8T
(Two Stage Upflow / Horizontal / 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
FURNACE CLEANING SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Burner Removal/Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Cleaning the Heat Exchanger . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
SEQUENCE OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Heating Indoor Fan Off Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Continuous Blower: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Hot Surface Ignition System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
FURNACE DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
DIAGNOSTIC FAULT CODE STORAGE AND RETRIEVAL . . . . . .8
REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
FIELD INSTALLED ACCESSORIES - NON-ELECTRICAL . . . . . .12
REPLACEMENT PART CONTACT INFORMATION . . . . . . . . . . . . .12
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
LIMITED WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
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.
035-19671-002 Rev. A (0704)
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Related Manuals for York PT8
Summary of Contents for York PT8
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Page 1: Table Of Contents
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:... -
Page 2: Instructions For Examining The Furnace Installation
035-19671-002 Rev. A (0704) 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
035-19671-002 Rev. A (0704) HOW YOUR GAS FURNACE WORKS To Turn Off the Appliance: Set the thermostat to lowest setting. Your furnace is a very easy appliance to take for granted. Season after 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
035-19671-002 Rev. A (0704) FURNACE USER MAINTENANCE • A 17-1/2” wide cabinet is a “B” cabinet. • A 21” wide cabinet is a “C” cabinet. • A 24-1/2” wide cabinet is a “D” cabinet. Locate the cabinet size on Table 1 then determine whether you have a bottom or side return air duct using the following method. -
Page 5: Blower Care
035-19671-002 Rev. A (0704) FURNACE CLEANING SECTION Blower Care Even with good filters properly in place, blower wheels and motors will NOTE: The cleaning operations listed below must be performed only by a qualified service agency. become dust laden after long months of operation. The entire blower assembly should be inspected annually. -
Page 6: Sequence Of Operation
035-19671-002 Rev. A (0704) Remove six mounting screws that hold the vent motor to the • The Control checks that 2LP is closed. restrictor plate. The surface is gasketed and gasket can be reused • The Gas Valve is energized on 2nd Stage (High Fire). if it is carefully removed. -
Page 7: Heating Indoor Fan Off Delay
035-19671-002 Rev. A (0704) FURNACE DIAGNOSTICS Heating Indoor Fan Off Delay The furnace has built-in, self-diagnostic capability. If a system problem Changing the blower delay jumper on the Integrated Control can occurs, a blinking LED shows a fault code. The LED can flash red, change the indoor fan “OFF”... -
Page 8: Diagnostic Fault Code Storage And Retrieval
035-19671-002 Rev. A (0704) 5 RED FLASHES: This fault is indicated if the normally closed contacts NOTE: NOTE: If a flame is detected the control flashes the LED for 1/8 of a second and then enters a flame stabilization period. in the rollout switch open. - Page 9 035-19671-002 Rev. A (0704) 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
035-19671-002 Rev. A (0704) SECTION III: REPLACEMENT PARTS LIST 38,43 Unitary Products Group... - Page 11 035-19671-002 Rev. A (0704) ITEM DESCRIPTION ITEM DESCRIPTION PAN, BASE MOTOR PANEL, BLOWER ACCESS MOTOR,DIRECT DRIVE BLOWER PANEL, TOP MOTOR,VENTOR ASS’Y. WRAPPER, INSULATED ELECTRICAL CHANNEL, TOE PLATE CAPACITOR, RUN BRACKET, TOP DOOR CONTROL, HIGH LIMIT BRACKET, BOTTOM DOOR CONTROL,FURNACE [FC] RACK, FILTER IGNITER FRAME, SIDE BASE (2 Req’d)
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Page 12: Field Installed Accessories - Non-Electrical
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 13: Wiring Diagram
035-19671-002 Rev. A (0704) SECTION IV: WIRING DIAGRAM FIGURE 9: Wiring Diagram Unitary Products Group... - Page 14 035-19671-002 Rev. A (0704) NOTES Unitary Products Group...
- Page 15 035-19671-002 Rev. A (0704) NOTES Unitary Products Group...
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Page 16: Limited Warranty
Original Owner Subsequent Owner PT8 / FC8T / FL8T / LC8T / LL8T UPG strongly recommends regular periodic preventative maintenance on this equipment. The person most familiar with the equipment in your HVAC system is a UPG dealer. The UPG dealer can ensure your maintenance program meets the conditions of the "UPG Warranty", maximize the efficiency of the equipment, and service your unit within the mandated guidelines with regard to unlawful discharge of refrigerants into the atmosphere.