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CSA ANSI Z21.40.1-1996(R02)/CGA 2.91-M96 (R2012)

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Gas-Fired, Heat Activated Air Conditioning and Heat Pump Appliances
CSA Group / 01-Nov-2000 / 60 pages

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This standard applies to newly produced, gas-fired, heat activated, air conditioning and heat pumping appliances, hereinafter referred to as appliances, constructed entirely of new, unused parts and materials, which are designed to supply conditioned air; heated and/or cooled liquid; or refrigerants, gases, solids, or liquids to spaces remote from or adjacent to the appliance. Heat activated appliances are those appliances whose heating, cooling, or dehumidifying effect is directly energized by the thermal output of fuel gas combustion.

Location and use of such appliances with respect to the spaces being conditioned necessitates automatic operation to provide even comfort and customer convenience. Accordingly, only automatical ly operated appliances will be accepted for examination under this standard.


Appliances covered by this standard include, but are not limited to, one or a combination of the following and may also incorporate additional function(s): Gas-Fired Absorption Air Conditioner; Gas-Fired Adsorption Air Conditioner; Gas-Fired Absorption Heat Pump; Gas-Fired Adsorption Heat Pump.


When the appliance incorporates a function not specifically covered by this standard (e.g., if an electric vapor-compression type refrigeration unit is combined with an appliance in a common casing) the function shall comply with the applicable provisions of a nationally recognized appropriate standard(s).


An appliance shall be for use with one or more of the gases specified in 2.1.1. Also see 2.2.


If a value for measurement 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 gage pressures unless otherwise specified.


Exhibit D contains Items Unique to One Country (U.S.).


Exhibit E contains Items Unique to One Country (Canada).


Exhibit F contains a list of standards specifically referenced in this standard and sources from which these referenced standards may be obtained.


All tables and figures are located after the Exhibits and before Part III.

Keywords: gas-fired absorption summer air conditioning appliances airconditioning

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