USER'S INFORMATION,
MAINTENANCE AND
SERVICE
Management System
HIGH EFFICIENCY SEALED COMBUSTION For Installation In:
GAS FURNACE 1. Manufactured (Mobile) Homes
_ODELS_ D_AA and _AH 2. Recreational Vehicles & Park Models
{S_ngl@ Stag@ _@wnH@w On_y} 3. Modular Homes & Buildings
TABLE OF CONTENTS
CONTACT INFORMATION FOR USA ....................... 1 To Turn Off the Appliance: ............................... 4
CONTACT INFORMATION FOR CANADA ................... 1 FURNACE USER MAINTENANCE ......................... 5
SAFETY ................................................ 1 Air Filters ............................................ 5
While you are away .................................... 2 Removing Filters ...................................... 5
SEASONAL SERVICE INFORMATION ...................... 2 Blower Care .......................................... 5
Your Service Technician ................................ 2 Motor Lubrication ...................................... 5
DESCRIPTION ......................................... 2 SERVICE AND MAINTENANCE MANUAL ..................... 6
WARRANTY AND RESPONSIBILITIES ..................... 2 SAFETY SECTION ...................................... 6
GAS SUPPLY .......................................... 3 FURNACE MAINTENANCE SECTION ...................... 6
Natural Gas Operation .................................. 3 FURNACE CLEANING SECTION .......................... 6
Propane Gas Operation ................................. 3 Burner Removal/Cleaning ............................... 6
INSTRUCTIONS FOR EXAMINING THE Cleaning the Heat Exchanger ............................ 6
FURNACE INSTALLATION ............................... 3 THE FURNACE CONTROLS AND THEIR FUNCTION .......... 6
Observing Burner Operation ............................. 3 SEQUENCE OF OPERATION ............................. 7
If Furnace Fails to Operate Properly ....................... 3 Continuous Blower ..................................... 7
HOW YOUR GAS FURNACE WORKS ...................... 4 Heating Cycle ......................................... 7
IF FURNACE FAILS TO OPERATE PROPERLY .............. 4 Hot Surface Ignition System .............................. 7
When You Call For Service Assistance ..................... 4 TROUBLESHOOTING ................................... 7
To Contact Your Serviceman ............................. 4 FURNACE CONTROL DIAGNOSTICS ...................... 8
SAFETY INFORMATION ................................. 4 REPLACEMENT PARTS LIST .............................. 9
Read the Instructions Below Before Trying WIRING DIAGRAM ...................................... 12
to Start the Furnace .................................... 4 LIMITED WARRANTY .................................... 14
START-UP AND SHUTDOWN INSTRUCTIONS ............... 4
Operating Instructions: .................................. 4
CONTACT INFORMATION FOR USA CONTACT INFORMATION FOR CANADA
• Contact us by mail: Go to website at www.york.com click on "contact", then click on
"contact form" and follow the instructions.
DISTRIBUTED BY: MANUFACTURED BY:
StyleCrest York International Contact us by mail:
801 W. 37th Street 5005 York Drive York International
Building #7 Norman, OK 73069 Consumer Relations
Wichita, Ks 67219 5005 York Drive
Norman, OK 73069
The manufacturer recommends that the user read all SECTION I" SAFETY
sections of this manual and keep the manual for
future reference.
&WARNING
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. Fol-
low 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 supplier.
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 insulated space or when insula-
tion is added to be sure that the insulation material has been kept
away from the furnace.
3. Follow the instructions exactly as shown on the OPERATING
INSTRUCTION LABEL or the Start-up and Shutdown Instructions
on Page 4 of this manual when lighting the furnace or turning the
furnace off.
4. 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.
5. 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.
Johnson Controls Unitary Products 129099-BUM-J-0112
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