Scope
1.1
This Standard applies to manually or automatically fuelled solid-fuel-fired central heating appliances that have provision for venting directly to the outdoors by means of flue pipes, chimneys, etc.
1.2
For the purpose of this Standard, the term solid-fuel includes, but is not limited to, coal and biomass fuels such as cordwood, chips, sawdust, wood and paper pellets, and corn.
1.3
This Standard applies to appliances, factory- or field- assembled, that have been, or could have been, completely assembled at the manufacturer's plant and transported in the assembled condition.
1.4
This Standard also applies to the manually or automatically fuelled solid-fuel features of a combination solid-fuel-/fuel- oil-fired appliance, where the solid-fuel features may affect the safety or performance of the oil-fired appliance. In these cases, requirements in this Standard are additional to the requirements for the specific oil-fired appliance.
1.5
This Standard also applies to outdoor-aired solid-fuel- fired appliances. For the purposes of these requirements, outdoor-aired refers to appliances wherein all combustion air is to be taken directly from the outdoors.
1.6
This Standard also applies to solid-fuel-fired furnaces intended to be added on directly in series at a point after the warm air leaves the forced-warm-air oil-, natural-gas-, or propane-fired furnace (downstream series add-on).
1.7
The requirements for solid-fuel-fired add-on furnaces also apply to any additional ductwork, controls, and other equipment recommended by the add-on furnace manufacturer and intended to be added on during the installation of the furnace.
1.8
The requirements for solid-fuel-fired add-on furnaces do not apply to parallel systems and upstream series add-ons (where the solid-fuel-fired furnace has been added on directly in series at a point before the air enters the existing forced- warm-air furnace).
1.9
This Standard also applies to solid-fuel-fired furnaces (a) intended to be added on directly in series at a point after the warm air leaves the existing forced-warm-air electric furnace (downstream series add-on); and (b) with a single warm-air discharge meeting the requirements of CSA Standard C22.2 No. 23.
1.10
This Standard does not cover fireplaces, incinerators, space heaters, or stoves.
1.11
Only SI (metric) units are used in this Standard, with the following exceptions: (a) For power input/output designations, the SI unit (kW) is followed by the Imperial designation (Btu/h) in parentheses. (b) For flow rates, the SI designation (L/s) is followed by the US d esignation (USGPH) in parentheses. (c) For instructional material and labels, the SI designations will be followed by Imperial/US designations in parentheses. (d) Tables 1, 2, and 3 are technical reference tables, and the Imperial designations have been retained.
The values given in SI units are considered to be the Standard. The values given in parentheses are for information only.
1.12
Only Celsius degree designations are used in the text for both s pecific temperatures and temperature differentials.
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