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USER'S INFORMATION,
MAINTENANCE AND
SERVICE MANUAL
HIGH EFFICIENCY
TUBULAR HEAT EXCHANGER SERIES
MODELS: PS8 / FC8S / FL8S / LC8S / LL8S
(Single 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Motor Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Continuous Blower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Intermittent Blower - Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Heating Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Hot Surface Ignition System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
FURNACE CONTROL DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . .6
DIAGNOSTIC FAULT CODE STORAGE AND RETRIEVAL . . . . . .7
REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
FIELD INSTALLED ACCESSORIES - NON-ELECTRICAL . . . . . . .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
This product was manufactured
in a plant whose quality system
is certified/registered as being
in conformity with ISO 9001.
035-19657-002 Rev. A (0704)
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Table of Contents
Related Manuals for York FC8S
Summary of Contents for York FC8S
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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:... -
Page 2: Instructions For Examining The Furnace Installation
035-19657-002 Rev. A (0704) INSTRUCTIONS FOR EXAMINING THE FURNACE VENT PIPE INSTALLATION FLUE PRESUURE COLLAR SWITCH It is the owner’s responsibility to ensure that an annual inspection of the INDUCED DRAFT ASSEMBLY entire heating portion of the unit is made by a qualified service agency. SILICONE INDUCED DRAFT TUBE... -
Page 3: How Your Gas Furnace Works
035-19657-002 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
035-19657-002 Rev. A (0704) FURNACE USER MAINTENANCE TABLE 1: Filter Sizes Cabinet Size Side (in) Side (mm) Bottom (in) Bottom (mm) 16 x 25 40.6 x 63.5 14 x 25 35.6 x 63.5 16 x 25 40.6 x 63.5 14 x 25 35.6 x 63.5 Before proceeding, be sure the area is well ventilated. -
Page 5: Service And Maintenance Manual
035-19657-002 Rev. A (0704) SECTION II: SERVICE AND MAINTENANCE Unplug the igniter from the wire harness. Disconnect sensor and MANUAL rollout switch wires located on top of the air shield. Identify and note the location of all leads for ease of reinstallation. Also discon- SAFETY SECTION nect the wires at the side rollout switches (upflow only) and the gas valve wires. -
Page 6: Intermittent Blower - Cooling
035-19657-002 Rev. A (0704) Intermittent Blower - Cooling A momentary loss of gas supply, flame blowout, or a faulty flame probe circuit will result in a disruption in the flame and be sensed within 1.0 Cooling/heating thermostats have a fan switch that has an ON and seconds. -
Page 7: Diagnostic Fault Code Storage And Retrieval
035-19657-002 Rev. A (0704) SLOW GREEN FLASH: Normal operation. 11 RED FLASHES: This indicates that a primary or auxiliary limit switch has opened its normally-closed contacts and has remained open for SLOW AMBER FLASH: Normal operation with call for heat. more than five minutes. -
Page 8: Replacement Parts List
035-19657-002 Rev. A (0704) Thermostat Satisfied Thermostat Calling for Heat (Seconds) Fan on Delay 30 Seconds THERMOSTAT INDUCER 15 Sec. Post Purge IGNITOR MAIN VALVE HUMIDIFIER ELECTRONIC AIR CLEANER CIRCULATING BLOWER 60, 90, 120, 180 SEC. Selectable Fan Off Delay FIGURE 8: Furnace Control Event Schedule SECTION III: REPLACEMENT PARTS LIST FIELD INSTALLED ACCESSORIES - NON-ELECTRICAL... - Page 9 035-19657-002 Rev. A (0704) 38,43 Unitary Products Group...
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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
035-19657-002 Rev. A (0704) SECTION IV: WIRING DIAGRAM FIGURE 9: Wiring Diagram Unitary Products Group... -
Page 12: Limited Warranty
Original Owner Subsequent Owner PS8 / FC8S / FL8S / LC8S / LL8S 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.