UL 647:2010 pdf download.Unvented Kerosene-Fired Room Heaters and Portable Heaters.
CONSTRUCTION
GENERAL
5 Assembly
5.1 Each heater shall incluoe alp WILl esw,Liai i..ilrlpuIIIIL lILLlsdry lvi it rIlLlh,uu lulIL;uoII WiPLlhI installed as intended.
5.2 The various parts of a heater shall be constwcted and assembled in accordance with these requirements to provide the strength. ngidity, and durability required.
5.3 The various parts of a heater shall be assembled or jointed as intended. Soft solder shall not be used on any fuel-handling parts If melting of the solder may allow leakage of fuel, except as indicated In 20.14. Soft-soldered joints, where acceptable, shall be made mechanically secure before soldering.
5.4 The heater shall be completely assembled by the manufacturer before shipment from the factory.
Exception No. 1: Subassembhos (such as a completely assembled burner or chimney section of a wick-type heater). minor parts, or accessories may be shipped unassembled with clear and Precise instructions lot theør assembly in the field, provided that:
a) The heater cannot be operated without correctly installing the parts. subassemblies, or accessories; or
b) A risk of lire or Injury to persons Is not caused when the heater Is operated without using the
parts, subassemblies. or accessories.
Exception No. 2: A tray or subbase that complies with the requirements in 9.2 may be furnished without being assembled on the heater.
Exception No. 3: A heater that incorporates a guard or grille may be shipped with the guard or grille unassembled. prOvided the heater is marked in accordance with 3.2(h).
5.5 If a functional part of a heater is rendered inoperative (nonfunctional) in the factory by packaging materials used for shipment purposes, the packing materials shall be arranged so that they have to be removed and so that all essential parts, the function of which is required to comply with the requirements in this standard, are functional before the heater can be operated.
GENERAL
5 Assembly
5.1 Each heater shall incluoe alp WILl esw,Liai i..ilrlpuIIIIL lILLlsdry lvi it rIlLlh,uu lulIL;uoII WiPLlhI installed as intended.
5.2 The various parts of a heater shall be constwcted and assembled in accordance with these requirements to provide the strength. ngidity, and durability required.
5.3 The various parts of a heater shall be assembled or jointed as intended. Soft solder shall not be used on any fuel-handling parts If melting of the solder may allow leakage of fuel, except as indicated In 20.14. Soft-soldered joints, where acceptable, shall be made mechanically secure before soldering.
5.4 The heater shall be completely assembled by the manufacturer before shipment from the factory.
Exception No. 1: Subassembhos (such as a completely assembled burner or chimney section of a wick-type heater). minor parts, or accessories may be shipped unassembled with clear and Precise instructions lot theør assembly in the field, provided that:
a) The heater cannot be operated without correctly installing the parts. subassemblies, or accessories; or
b) A risk of lire or Injury to persons Is not caused when the heater Is operated without using the
parts, subassemblies. or accessories.
Exception No. 2: A tray or subbase that complies with the requirements in 9.2 may be furnished without being assembled on the heater.
Exception No. 3: A heater that incorporates a guard or grille may be shipped with the guard or grille unassembled. prOvided the heater is marked in accordance with 3.2(h).
5.5 If a functional part of a heater is rendered inoperative (nonfunctional) in the factory by packaging materials used for shipment purposes, the packing materials shall be arranged so that they have to be removed and so that all essential parts, the function of which is required to comply with the requirements in this standard, are functional before the heater can be operated.
