![background image](http://html.mh-extra.com/html/york-international/dfaa/dfaa_users-information-maintenance-and-service-manual_913866001.webp)
107273-UUM-C-0306
USER’S INFORMATION,
MAINTENANCE AND
SERVICE MANUAL
HIGH EFFICIENCY SEALED COMBUSTION
DRUM HEAT EXCHANGER SERIES
MODEL: DFAA/DFAH
(Oil and Gas Conversion Burner/
Single Stage Downflow Only)
EFFICIENCY
RATING
CERTIFIED
ISO 9001
Certified Quality
Management System
For Installation In:
1.
Manufactured (Mobile) Homes
2.
Recreational Vehicles & Park Models
3.
Modular Homes & Buildings
The manufacturer recommends that the user read all sec-
tions of this manual and keep the manual for future refer-
ence.
SECTION I: OIL-FIRED FURNACE
FOR YOUR 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.
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 oil supply fail to shut off or if overheating occurs, shut
off the fuel pump manual 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 oil con-
trols, control system parts, electrical parts that have been wet or
the furnace if deemed necessary.
6.
NEVER
…
Store flammable materials of any kind near your fur-
nace. Gasoline, solvents, and other volatile liquids should be
stored only in approved containers outside your home. These
materials vaporize easily and are extremely dangerous.
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 FUEL OIL:
• Do not try to light any appliance.
• Turn off the electric switch.
• Immediately call your service technician. DO NOT start
the furnace.
• If the control reset button has been pushed more than
one time, the chamber may be flooded with oil. Turn off
the power to the furnace.
—
Installation and service must be performed by a qualified
installer, service agency or the fuel supplier.
TABLE OF CONTENTS
OIL-FIRED FURNACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
FOR YOUR SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
CONTACT INFORMATION FOR USA . . . . . . . . . . . . . . . . . . . . . . . . . . 1
CONTACT INFORMATION FOR CANADA . . . . . . . . . . . . . . . . . . . . . . 1
HOW YOUR OIL-FIRED FURNACE WORKS . . . . . . . . . . . . . . . . . . . . 2
INSTRUCTIONS FOR EXAMINING THE FURNACE . . . . . . . . . . . . . . . 2
OWNER SERVICE AND MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . 3
START-UP AND SHUTDOWN INSTRUCTIONS . . . . . . . . . . . . . . . . . . 3
FURNACE USER MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
SERVICE AND MAINTENANCE MANUAL . . . . . . . . . . . . . . . . . . . . . . . . 5
SAFETY SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
SERVICE AND MAINTAIN BURNER . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
FURNACE MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
FURNACE CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
REPLACING THE OIL PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
OIL FURNACE SEQUENCE OF OPERATION . . . . . . . . . . . . . . . . . . . . 8
TYPICAL PRIMARY CONTROL SEQUENCE OF OPERATION . . . . . . 8
START UP AND SAFETY CHECK PROCEDURE . . . . . . . . . . . . . . . . . 9
TROUBLESHOOTING AND MAINTENANCE . . . . . . . . . . . . . . . . . . . . 9
WIRING DIAGRAM - OIL-FIRED FURNACE . . . . . . . . . . . . . . . . . . . . . 14
GAS CONVERSION BURNER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
FOR YOUR SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
HOW YOUR GAS FURNACE WORKS . . . . . . . . . . . . . . . . . . . . . . . . . 16
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
INSTRUCTIONS FOR EXAMINING THE FURNACE . . . . . . . . . . . . . . 17
SEASONAL SERVICE INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . 17
START-UP AND SHUTDOWN INSTRUCTIONS . . . . . . . . . . . . . . . . . 18
FURNACE USER MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
WARRANTY AND RESPONSIBILITIES . . . . . . . . . . . . . . . . . . . . . . . . 19
SERVICE AND MAINTENANCE MANUAL . . . . . . . . . . . . . . . . . . . . . . . 20
SAFETY SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
FURNACE MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
FURNACE CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
THE FURNACE CONTROLS AND THEIR FUNCTION . . . . . . . . . . . . 20
WIRING DIAGRAM - GAS CONVERSION BURNER . . . . . . . . . . . . . . . 21
HONEYWELL S87K PRIMARY IGNITION CONTROL
TROUBLESHOOTING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
OIL BURNER REPAIR PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
REPLACEMENT PART CONTACT INFORMATION . . . . . . . . . . . . . . . . 27
GAS CONVERSION BURNER REPAIR PARTS LIST . . . . . . . . . . . . . . 29
LIMITED WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
CONTACT INFORMATION FOR USA
•
Contact us by mail:
CONTACT INFORMATION FOR CANADA
•
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
DISTRIBUTED BY:
StyleCrest
801 W. 37th Street
Building #7
Wichita, Ks 67219
MANUFACTURED BY:
York International
5005 York Drive
Norman, OK 73069