J801X Installation Manual

3
IMPORTANT SAFETY INFORMATION
INSTALLER: Please read all instructions before servicing
this equipment. Pay attention to all safety warnings and
any other special notes highlighted in the manual. Safety
markings are used frequently throughout this manual to
designate a degree or level of seriousness and should not
be ignored.
WARNING - indicates a potentially hazardous
situation that if not avoided, could result in personal injury or
death.
CAUTION - indicates a potentially hazardous situation
that if not avoided, may result in minor or moderate injury or
property damage.
WARNING:
The safety information listed in this manual must
be followed during the installation, service, and
operation of this unit. Unqualified individuals
should not attempt to interpret these instructions
or install this equipment. Failure to follow safety
recommendations could result in possible
damage to the equipment, serious personal
injury or death.
WARNING:
Improper installation, service, adjustment, or
maintenance may cause explosion, fire, electrical
shock or other hazardous conditions which may
result in personal injury or property damage.
Unless otherwise noted in these instructions,
only factory authorized kits or accessories may
be used with this product.
WARNING:
Unless otherwise noted in these instructions,
only factory authorized kits or accessories may
be used with or when modifying this product.
WARNING:
Do not install this furnace if any part has been
submerged under water. A flood damaged furnace
is extremely dangerous. Attempts to use the
furnace may result in fire or explosion. A qualified
service agency should be contacted to inspect the
furnace and to replace any electrical or control
system parts that have been wet or under water.
• To minimize equipment failure or personal injury, it is
essential that only qualified individuals install, service, or
maintain this equipment. If you do not posses mechanical
skills or tools, call your local dealer for assistance.
• Follow all precautions in the literature, on tags, and on
labels provided with the equipment. Read and thoroughly
understand the instructions provided with the equipment
prior to performing the installation and operational checkout
of the equipment.
• Use caution when handling this appliance or removing
components. Personal injury can occur from sharp metal
edges present in all sheet metal constructed equipment.
• Do not store any of the following on, or in contact with, the
unit: Rags, brooms, vacuum cleaners, or other cleaning
tools, spray or aerosol cans, soap powders, bleaches,
waxes, cleaning compounds, plastics or plastic containers,
paper bags or other paper products, gasoline, kerosene,
cigarette lighter fluid, dry cleaning fluids, paint thinners,
or other volatile fluids.
• The installer should become familiar with the units wiring
diagram before making any electrical connections to the
unit. See Figure 18, (page 20) or the unit wiring label.
• Always reinstall the doors on the furnace after servicing.
Do not operate the furnace without all doors and covers
in place.
REQUIREMENTS & CODES
• This furnace must be installed in accordance with these
instructions, all applicable local building codes and the
current revision of the National Fuel Gas Code (NFPA54/
ANSI Z223.1).
• Use only with type of gas approved for this furnace. Refer
to the furnace rating plate.
• Install this furnace only in a location and position as
specified on page 5.
• Provide adequate combustion and ventilation air to the
furnace space as specified on page 5.
• Combustion products must be discharged outdoors.
Connect this furnace to an approved vent system only,
as specified on page 8.
• Never test for gas leaks with an open flame. Use
a commercially available soap solution to check all
connections. See page 13.
• This furnace is designed to operate with a maximum
external static pressure of 0.5 inches of water column.
Consult Table 3, (page 21), Table 4, (page 22),
Table 5, (page 23), and the rating plate for the proper
circulating air flow and temperature rise. It is important that
the duct system be designed to handle the desired flow
rate and temperature rise. An improperly designed duct
system can result in nuisance shutdowns, and comfort or
noise issues.
• When supply ducts carry air circulated by the furnace to
areas outside the space containing the furnace, the return
air shall also be handled by duct(s) sealed to the furnace
casing and terminating outside the space containing the
furnace. See page 9.
• A gas-fired furnace for installation in a residential garage
must be installed as specified on page 4.
• This furnace is not approved for installation in mobile homes.
Installing this furnace in a mobile home could cause fire,
property damage, and/or personal injury.
The information listed in the section below is for reference
purposes only and does not necessarily have jurisdiction over
local or state codes. Always consult with local authorities
before installing any gas appliance.
Combustion & Ventilation Air
• US: National Fuel Gas Code (NFGC), Air for Combustion and
Ventilation
Duct Systems
• US and CANADA: Air Conditioning Contractors Association
(ACCA) Manual D, Sheet Metal and Air Conditioning
Contractors National Association (SMACNA), or American