Indiana Administrative Code › Title 675 - FIRE PREVENTION AND BUILDING SAFETY COMMISSION › Article 15 - INDUSTRIALIZED BUILDING SYSTEMS › Rule 2 - Indiana Mobile Structures Code › Section 2-72 - Definitions for heating, cooling, and fuel-burning systems

Current through July 10, 2024
Authority: IC 22-13-2-13
Affected: IC 22-12; IC 22-13; IC 22-14; IC 22-15
Sec. 72.
The following definitions are common to the provisions of
				  675 IAC 15-2-71-675 IAC
				  15-2-87.
"Accessible" means having access to a fixture, connection,
				  appliance or equipment, but which may require the removal of an access panel,
				  door or similar obstruction without removing permanent construction.
"Air duct" means conduits or passageways for conveying air to
				  or from heating, cooling, air conditioning or ventilation equipment, but not
				  including the plenum.
"Automatic pump (oil lifter)" means a pump, not an integral
				  part of the oil-burning appliance, that automatically pumps oil from the supply
				  tank and delivers the oil by gravity under a constant head to an oil-burning
				  appliance.
"British thermal unit (BTU)" means the quantity of heat
				  required to raise the temperature of one (1) pound of water one (1) degree
				  Fahrenheit.
"BTU/H" means british thermal units per hour.
"Burner" means a device for the final conveyance of fuel or a
				  mixture of fuel and air to the combustion zone.
"Class 0 air ducts" means ducts of materials and connectors
				  having a fire-hazard classification of zero.
"Class 1 air ducts" means ducts of materials and connectors
				  having a flame-spread rating of not over twenty-five (25) without evidence of
				  continued progressive combustion and a smoke-developed rating of not over fifty
				  (50).*
"Class 2 air ducts" means ducts of materials and connectors
				  having a flame-spread rating of not over fifty (50) without evidence of
				  continued progressive combustion and a smoke-developed rating of not over fifty
				  (50) for the inside surface and not over one hundred (100) for the outside
				  surface.*
*Flame-spread and smoke developed ratings are measured as
				  specified in the Indiana Flammable and Combustible Liquids and Gases Code
				  (675 IAC 22-1).
"Clearance" means the distance between the appliance,
				  chimney, vent, chimney or vent connector or plenum and the nearest
				  surface.
"Connector-gas appliance" means a flexible or semi-rigid
				  connector listed as required by the Indiana Mechanical Code (675 IAC
				  18-1
[675 IAC
				  18-1 was repealed filed Oct 28, 1988, 3:00 p.m.: 12 IR
				  588, eff Jan 2, 1989. See
				  675 IAC 18-1.3.])
and
				  used to convey fuel gas, three feet (3') or less in length (six feet (6') or
				  less for gas ranges), between a gas outlet and a gas appliance in the same room
				  with the outlet.
"Factory-built fireplace" means a hearth, fire chamber and
				  chimney assembly composed of listed factory-built components assembled in
				  accordance with the terms of listing to form a complete fireplace.
"Fireplace stove" means a chimney connected solid
				  fuel-burning stove having listed part of its fire chamber open to the
				  room.
"Fuel gas piping system" means the arrangement of piping,
				  tubing, fittings, connectors, valves and devices designed and intended to
				  supply or control the flow of fuel oil to the appliance(s).
"Gas clothes dryer" means a device used to dry wet laundry by
				  means of heat derived from the combustion of fuel gases. Dryer classifications
				  are as follows:
(1) Type 1.
				Factory-built package, multiple produced. Primarily used in family living
				environment. May or may not be coin-operated for public use. Usually the
				smallest unit physically and in function output.
(2) Type 2. Factory-built package, multiple
				produced. Used in business with direct intercourse of the function with the
				public. May or may not be operated by public or hired attendant. May or may not
				be coin-operated. Not designed for use in individual family living environment.
				May be small, medium, or large in relative size.
"Gas refrigerator" means a gas-burning appliance which is
				  designed to extract heat from a suitable chamber. "Gas supply connection" means
				  the terminal end or connection to which a gas supply connector is attached.
				  "Gas supply connector" means tubing or piping connecting the mobile structure
				  to the gas supply source.
"Gas vents" means factory-built vent piping and vent fittings
				  listed by an approved testing agency, that are assembled and used in accordance
				  with the terms of their listings, for conveying flue gases to the outside
				  atmosphere.
(1) Type B Gas Vent. A
				gas vent for venting gas appliances with draft hoods and other gas appliances
				listed for use with Type B Gas Vent.
(2) Type BW Gas Vent. A gas vent for venting
				listed gas-fired vented wall furnaces.
"Heat producing appliance" means all heating and cooking
				  appliances and all fuel burning appliances.
"Heating appliance" means an appliance for comfort heating of
				  a mobile structure or for water heating.
"Liquefied petroleum gases", "LPG" and "LP-gas" as used in
				  this code shall mean and include any material which is composed predominantly
				  of any of the following hydrocarbons, or mixtures of them: propane, propulene,
				  butanes (normal butane or isobutane), and butylenes.
"Plenum" means an air compartment which is part of an
				  air-distributing system, to which one (1) or more ducts are connected.
(1) Furnace supply plenum is a plenum
				attached directly to, or an integral part of, the air supply outlet of the
				furnace.
(2) Furnace return plenum
				is a plenum attached directly to, or an integral part of, the return inlet of
				the furnace. "Quick-disconnect device" means a hand-operated device which
				provides a means for connection gas systems and which is equipped with an
				automatic means to shut off the gas supply when the device is disconnected.
"Readily accessible" means having direct access without the
				  necessity of removing any panel, door, or similar obstruction.
"Roof jack" means that portion of a mobile structure heater
				  flue or vent assembly, including the cap, insulation means, flashing, and
				  ceiling plate, located in and above the roof cavity of a mobile
				  structure.
"Sealed combustion system appliance" means an appliance which
				  by its inherent design is constructed so that all air supplied for combustion,
				  the combustion system of the appliance, and all products of combustion are
				  completely isolated from the atmosphere of the space in which it is
				  installed.
"Water heater" means an appliance for heating water for
				  domestic purposes other than for space heating.