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ANSI Z21.57

2010 Edition, 2010

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Recreational Vehicle Cooking Gas Appliances



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Product Details:

  • Revision: 2010 Edition, 2010
  • Published Date: January 2010
  • Status: Active
  • Document Language: English
  • Published By: CSA Gas Standards (CSA/AM)
  • Page Count: 150
  • ANSI Approved: Yes
  • DoD Adopted: No

Description / Abstract:

This standard applies to newly produced compact cooking gas appliances (see Part IV, Definitions) hereinafter referred to as units or appliances, constructed of entirely new, unused parts and materials, intended for installation in recreational vehicles, including recreational park trailers:

a. For use with propane gases only; or

b. For use with natural gas convertible for use with propane gas (see 1.1.3-e).

The construction of units is covered under Part I.

The performance of units is covered under Part II.

Larger cooking gas appliances intended for recreational park trailers are covered by the Standard for Household Cooking Gas Appliances, ANSI Z21.1.

This standard applies to cooking appliances designed to be recessed into, placed upon and attached to the construction of a recreational vehicle. Built in units are further classified as:

a. Top or surface unit. A unit for installation in or on a counter top.

b. Oven unit. A unit for installation in a cabinet, wall or partition, or for installation on a counter. It may be a separate oven, may be equipped with a broiler that uses the oven burner, or the oven may serve as a broiler with a burner in the upper portion of the oven.

c. Broiler unit. May have an open top or be enclosed, may be a separate broiler, or may be combined with a rotisserie.

d. Combinations of "-a," "-b" or "-c" above, or any other cooking device that may be for similar installation.

e. Convertible unit. A unit for use with natural gas and propane gases with provisions for the simple conversion from one gas to the other, equipped with double coaxial main burner orifices and a convertible gas appliance pressure regulator. (Also see Part IV, Definitions.)

For the purposes of this standard, units are also classified as:

a. Full-Sized Unit. Any unit which does not qualify as a compact unit.

b. Compact Unit. A unit whose outer casing encloses a volume not in excess of 6 ft3 (0.17 m3)and whose weight is not in excess of 80 lb (36.3 kg). For the determination of volume, back-guards, vent extensions, handles, etc., may be removed. For the determination of weight, other easily removable parts such as conventional top burners, oven racks, etc., may also be removed.

c. Convertible Unit. A unit for use with natural gas and liquefied petroleum gases with provisions for the simple conversion from one gas to the other, equipped with double coaxial main burner orifices and a convertible gas appliance pressure regulator. (Also see Part IV, Definitions.)

This standard covers all electrical equipment, wiring and accessories built in or supplied for use with an appliance for use with low-voltage direct current or alternating current. Appliances for use with alternating current shall have a current limitation of 20 amperes and have its electrical equipment, wiring and accessories installed in accordance with the National Electrical Code, ANSI/NFPA 70.

This standard covers (a) appliances which use only gas for cooking and which are designed for connection to either a low-voltage direct current supply or nominal 120 volt alternating current supplies; or (b) appliances which also use electrical energy for cooking and which are designed for connection to either nominal 120 volt or 240 volt alternating current supplies.

Appliances having sections which use electrical energy for cooking shall comply with the applicable provisions of the Safety Standard for Household Electric Ranges, ANSI/UL 858.

A microwave cooking appliance incorporated in a recreational vehicle cooking appliance shall comply with the applicable provisions of the Safety Standard for Microwave Cooking Appliances, UL 923.

An exhaust hood incorporated in an appliance shall comply with the applicable provisions of the Safety Standard for Electric Fans, ANSI/UL 507.

If a value for measurement as given in this standard is followed by an equivalent value in other units, the first stated value is to be regarded as the specification.

All references to psi throughout this standard are to be considered gauge pressure unless otherwise specified.

Exhibit A, List of Reference Standards, contains a list of standards specifically referenced in this standard, and sources from which these reference standards may be obtained.