Preface
This is the first edition of ANSI Z21.96 / CSA 11.6, Portable waters heaters for outdoor use. This Standard was prepared by the Z21/CSA Joint Technical Advisory Group on Standards Gas-Fired Refrigerators and Portable Camping Equipment, under the jurisdiction of the Technical Committee on Performance and Installation of Gas Burning Appliances and Related Accessories and the Strategic Steering Committee on Standards for Gas Appliances and Related Accessories, and had been formally approved by the Technical Committee and the American National Standards Institute.
Scope
1.1
This Standard applies to portable type gas water heaters (herein after referred to as appliance or heater) for use with propane, butane, or liquefied petroleum gases and mixtures thereof having:
a) a regulated pressure;
b) a non-regulated pressure.
1.2
Portable type water heaters and components employing materials or having forms of construction differing from those detailed in these provisions may be examined and tested according to the intent of the provisions, and if found to be satisfactorily equivalent, may be given recognition.
1.3
This Standard applies to portable water heater constructed entirely of new, unused parts.
1.4
All references to psi throughout this Standard are to be considered gauge pressures unless otherwise specified.
1.5
All accessories recommended by the manufacturer for use with appliances certified to this Standard shall be supplied and with the appliance.
1.6
A portable water heater is:
a) for point of use (dishwashing, washing, showering, etc.) supply of either potable or non-potable hot water.
b) not for permanent connection to inlet or outlet water lines.
c) only intended for use outdoors and no connections may be provided for venting of combustion products via a chimney or vent system.
1.7
The water heater may be:
a) tank type
b) automatic storage type
c) water-tube type
d) instantaneous type or
e) multifunction design such as an instantaneous-tube type (See Clause 3 Definitions).
1.8
Portable water heaters are limited to a maximum input of 30,000 BTU/Hr.
1.9
Annex A, Items Unique to the United States, contains provisions that are unique to the United States.
1.10
Annex B, Items Unique to Canada, contains provisions that are unique to Canada.
1.11
Clause 2, List of Reference Standards, contains a list of standards specifically referenced in this standard and sources from which they may be obtained.
1.12
This Standard contains SI (Metric) equivalents to the yard/pound quantities, the purpose being to allow the Standard to be used in SI (Metric) units. (Standard for use of the International System of Units (SI): The Modern Metric System, IEEE/ASTM SI 10 or ISO 80000-1:2009 Quantities and units-Part 1: General are used as a guide in making metric conversion from yard/pound quantities.) If a value for a measurement and a corresponding value in other units are stated, the first stated value is to be regarded as the requirement. The given corresponding value may be approximate. If a value for a measurement and a corresponding value in other units are both specified as a quoted marking requirement, the first stated unit, or both shall be provided.
1.13
In this Standard, shall is used to express a requirement, i.e., a provision that the user shall satisfy in order to comply with the standard; should is used to express a recommendation or that which is advised but not required; and may is used to express an option or that which is permissible within the limits of the standard.
Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.
Notes to tables and figures are considered part of the table or figure and may be written as requirements.
Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.
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