York DFAH - Manual (Page 3)

107272-UIM-B-1105
Unitary Products Group 3
• Provide clearances from combustible materials as listed under
Furnace Locations and Clearances.
• Provide clearances for servicing, ensuring that service access is
allowed for both the burners and blower.
• These models are ETL listed and approved for installation into a
Modular Home or a Manufactured (Mobile) Home.
• Failure to carefully read and follow all instructions in this
manual can result in furnace malfunction, death, personal
injury and/or property damage.
• Furnaces for installation on combustible flooring shall not be
installed directly on carpeting, tile or other combustible material
other than wood flooring.
• Check the rating plate and power supply to be sure that the elec-
trical characteristics match. All models use nominal 115 VAC, 1
Phase, 60-Hertz power supply. DO NOT CONNECT THIS APPLI-
ANCE TO A 50 HZ POWER SUPPLY OR A VOLTAGE ABOVE
130 VOLTS.
• Furnace shall be installed so the electrical components are pro-
tected from water.
• Installing and servicing heating equipment can be hazardous due
to the electrical components and the oil fired components. Only
trained and qualified personnel should install, repair, or service oil
heating equipment. Untrained service personnel can perform
basic maintenance functions such as cleaning and replacing the
air filters. When working on heating equipment, observe precau-
tions in the manuals and on the labels attached to the unit and
other safety precautions that may apply.
NOTICE SPECIAL REQIREMENTS
These instructions cover minimum requirements and conform to exist-
ing national standards and safety codes. In some instances these
instructions exceed certain local codes and ordinances, especially
those who have not kept up with changing Modular Home and Manu-
factured (Mobile) Home construction practices. These instructions are
required as a minimum for a safe installation.
COMBUSTION AIR QUALITY
(LIST OF CONTAMINANTS)
The furnace will require OUTDOOR AIR for combustion when the fur-
nace is located in any of the following environments.
• Restricted Environments
• Commercial buildings
• Buildings with indoor pools
• Laundry rooms
• Hobby or craft rooms
• Near chemical storage areas
• Chemical exposure
The furnace will require OUTDOOR AIR for combustion when the fur-
nace is located in an area where the furnace is being exposed to the fol-
lowing substances and / or chemicals.
• Permanent wave solutions
• Chlorinated waxes and cleaners
• Chlorine based swimming pool chemicals
• Water softening chemicals
• De-icing salts or chemicals
• Carbon tetrachloride
• Halogen type refrigerants
• Cleaning solvents (such as perchloroethylene)
• Printing inks, paint removers, varnishes, etc.
• Hydrochloric acid
• Cements and glues
• Antistatic fabric softeners for clothes dryers
• Masonry acid washing materials
When outdoor air is used for combustion, the combustion air intake duct
system termination must be located external to the building and in an
area where there will be no exposure to the substances listed above.
INSPECTION
As soon as the furnace and/or accessories are received, it should be
inspected for damage during transit. If damage is evident, the extent of
the damage should be noted on the carrier’s freight bill. A separate
request for inspection by the carrier’s agent should be made in writing.
Also, before installation, the furnace and/or accessories should be
checked for screws or bolts which have loosened in transit, or shipping
and spacer brackets that need to be removed.
This equipment must be installed, adjusted, and started only by a
qualified service agency - an individual or agency, licensed and
experienced with all codes and ordinances, who is responsible for
the installation and adjustment of the equipment. The installation
must comply with all local codes and ordinances and with the latest
revision of the National Fire Protection Association Standard
NFPA31 (or CSA B139).
The furnace area must not be used as a broom closet or for any
other storage purposes, as a fire hazard may be created. Never
store items, such as the following, on, near or in contact with the
furnace.
1. Spray or aerosol cans, rags, brooms, dust mops, vacuum
cleaners or other cleaning tools.
2. Soap powders, bleaches, waxes or other cleaning com-
pounds; plastic items or
3. Containers, gasoline, kerosene, cigarette lighter fluid, dry
cleaning fluids or other volatile fluid.
4. Paint thinners and other painting compounds.
5. Paper bags, boxes or other paper products
Never operate the furnace with the blower door removed. To
do so could result in serious personal injury and/or equipment
damage.
CONCEALED DAMAGE - If you discover damage to the burner or
controls during unpacking, notify carrier at once and file the appro-
priate claim.
WHEN CONTACTING BECKETT FOR SERVICE INFORMATION -
Please record the burner serial number (and have available when
calling or writing). You will find the serial number on the Underwrit-
ers Laboratories label, located on the left rear of the burner, or
cover mounting plate. See Figure 1.