Sec. 80.
(a) The
installation of each appliance shall conform to the terms of its listing and
the manufacturer's instructions. The installer shall leave the manufacturer's
instructions attached to the appliance. Every appliance shall be secured in
place to avoid displacement.
(b)
All fuel-burning appliances, except ranges, ovens, illumination appliances,
clothes dryers, solid fuel-burning fireplaces and solid fuel-burning fireplace
stoves, shall be installed to provide for the complete separation of the
combustion system from the interior atmosphere of the mobile structure.
Combustion air inlets and flue gas outlets shall be listed or certified as
components of the appliance. The required separation may be obtained by:
(1) the installation of direct vent system
(sealed combustion system) appliances, or
(2) the installation of appliances within
enclosures so as to separate the appliance combustion system and venting system
from the interior atmosphere of the mobile structure. There shall not be any
door, removable access panel, or other opening into the enclosure from the
inside of the mobile structure. Any opening for ducts, piping, wiring, etc.,
shall be sealed.
(c) A
forced air appliance and its return-air system shall be designed and installed
so that negative pressure created by the air-circulating fan cannot affect its
or another appliance's combustion air supply or act to mix products of
combustion with circulating air.
(1) The air
circulating fan of a furnace installed in an enclosure with another
fuel-burning appliance shall be operable only when any door or panel covering
an opening in the furnace fan compartment or in a return air plenum or duct is
in the closed position.
NOTE: This does not apply if both appliances are direct vent
system (sealed combustion system) appliances.
(2) If a warm air appliance is installed
within an enclosure to conform to (b)(2), each warm-air outlet and each return
air inlet shall extend to the exterior of the enclosure. Ducts, if used for
that purpose, shall not have any opening within the enclosure and shall
terminate at a location exterior to the enclosure.
(3) Cooling coils installed as a portion of,
or in connection with, any forced-air furnace shall be installed on the
downstream side unless the furnace specifically otherwise listed.
(4) A cooling coil shall not be located in
the air discharge duct or plenum of any forced-air furnace unless such furnace
is listed for use with a cooling coil or listed for operation at not less than
0.5 inch water column external static pressure.
(5) If a cooling coil is installed within a
forced-air furnace, the coil shall be listed for use with that furnace in the
manner so installed or be approved for such use.
(d) Vertical Clearance Above Gas Cooking Top.
Gas ranges shall have a vertical clearance above the cooking top of not less
than thirty inches (30") to combustible material or metal cabinets except the
clearance may be reduced to not less than twenty-four inches (24") as follows:
(1) the underside of the combustible material
or metal cabinet above the cooking top is protected with asbestos millboard at
least one-fourth inch (1/4") thick covered with sheet metal not lighter than
No. 28 manufacturer's standard gauge, or,
(2) a metal ventilating hood of not lighter
than No. 28 manufacturer's standard gauge sheet metal is installed above the
cooking top with a clearance of not less than one-fourth inch (1/4") between
the cabinet and the hood is at least as wide as the range is and is centered
over the range.
(e) Solid
fuel-burning factory-built fireplaces and fireplace stoves listed for use in
manufactured homes may be installed in mobile structures provided they and
their installation conform to (e)(1). A fireplace or fireplace stove shall be
considered as a heating facility for determining compliance with
675 IAC 15-2-20.
(1) A solid fuel-burning fireplace or
fireplace stove shall be equipped with integral door(s) or shutter(s) designed
to close the fireplace or fireplace stove fire chamber opening and shall
include complete means for venting through the roof, a combustion air inlet, a
hearth extension, and means to securely attach the fireplace or the fireplace
stove to the mobile structure. The installation shall conform to the following:
(A) A listed factory-built chimney designed
to be attached directly to the fireplace or fireplace stove shall be used. The
listed factory-built chimney shall be equipped with and contain as part of its
listing a termination device(s) and a spark arrester(s).
(B) A fireplace or fireplace stove, air
intake assembly, hearth extension and the chimney shall be installed in
accordance with the terms of their listings and their manufacturer's
instructions.
(C) The combustion
air inlet shall conduct the air directly into the fire chamber and shall be
designed to prevent material from the hearth dropping onto the area beneath the
mobile structure.
(D) The fireplace
or fireplace stove shall not be installed in a sleeping room.
(E) Hearth extension shall be of
noncombustible material not less than three-eighths inch (3/8") thick. The
hearth shall extend at least sixteen inches (16") in front of and at least
eight inches (8") beyond each side of the fireplace or fireplace stove opening.
Furthermore the hearth shall extend over the entire surface beneath a fireplace
stove and beneath an elevated or overhanging fireplace.
(F) The label on each solid fuel-burning
fireplace and solid fuel-burning fireplace stove shall include the following
wording: For use with solid fuel only.
(G) The chimney shall extend at least three
feet (3') above the part of the roof through which it passes and
at least two feet (2') above the highest elevation of any part of the mobile
structure within ten feet (10') of the chimney. Portions of the chimney and
termination that exceed an elevation of thirteen feet and six inches (13'6")
above ground level may be designed to be removed for transporting the mobile
structure.
(2) The venting
shall be accomplished by one or more of the following methods:
(A) An integral vent system listed or
certified as part of the appliance.
(B) A venting system consisting entirely of
listed components, including roof jack, installed in accordance with the terms
of the appliance listing and the appliance manufacturer's
instructions.
(3) Venting
and combustion air systems shall be installed in accordance with the following:
(A) Components shall be securely assembled
and properly aligned using the methods shown in the appliance manufacturer's
instructions.
(B) Draft hood
connectors shall be firmly attached to draft hood outlets or flue collars by
sheet metal screws or by equivalent effective mechanical fasteners.
(C) Every joint of a vent, vent connector,
exhaust duct and combustion air intake shall be secure and in
alignment.
(4) Venting
systems shall not terminate underneath a mobile structure.
(5) Venting system terminations shall be not
less than three feet (3') from any motor-driven air intake
discharging into habitable areas.
(6) The area in which cooking appliances are
located shall be ventilated by a metal duct which may be single wall, not less
than twelve and one-half (12 1/2) square inches in cross-sectional area
(minimum dimension shall be two inches (2")) located above the appliance(s) and
terminating outside the mobile structure, or by listed mechanical ventilating
equipment discharging outside the structure, that is installed in accordance
with the terms of listing and the manufacturer's instructions. Gravity or
mechanical ventilation shall be installed within a horizontal distance of not
more than ten feet (10') from the vertical front of the
applicance(s).
(7) Mechanical
ventilation which exhausts directly to the outside atmosphere from the interior
space of a structure shall be equipped with an automatic or manual damper.
Operating controls shall be provided such that mechanical ventilation can be
separately operated without directly energizing other energy consuming
devices.
