Electrostatic air cleaners

1.1 
This Standard applies to 

a) electrostatic air cleaners intended to remove dust and dirt from the air and intended for general indoor 
residential and commercial use; 
b) air ionizer type air cleaners; 
c) other similar ionizing equipment; and 
d) duct-mounted type electrostatic air cleaners, air ionizers, and other similar ionizing equipment intended for 
general indoor residential use. 

1.2 
This Standard applies to equipment for commercial use that intentionally produces ozone in a temporarily 
unoccupied space. 

1.3 
This Standard applies to cord-connected and permanently-connected equipment operating at nominal supply 
voltages up to 600 V, single-phase or polyphase, that is intended to be installed or used in accordance with 
CSA C22.1, Canadian Electrical Code, Part I. 

1.4 
This Standard applies to portable and duct-mounted air-cleaning devices that incorporate a UV (ultraviolet) 
lamp that emits UV radiation between 100 and 280 nm (UVC). 

1.5 
This Standard does not apply to electrostatic air cleaners for use in hazardous locations or in atmospheres 
defined as hazardous by the Canadian Electrical Code, Part I. 

1.6 
This Standard does not apply to air cleaners designed to remove particles other than dust and dirt normally 
found in heating and ventilating systems. 

1.7 
This Standard does not specify requirements for the effectiveness of air cleaners with respect to the removal 
of airborne particles. 

1.8 
This Standard does not apply to electrostatic air cleaners intended for industrial use. 

1.9 
This Standard does not apply to air cleaners for residential use that are designed to generate ozone 
intentionally. 

1.10 
This Standard does not apply to ozone generators, and/or devices intentionally using ozone to treat or 
condition air, designed exclusively to be connected to air duct systems. 

1.11 
In this Standard, shall is used to express a requirement, i.e., a provision that the user is obliged to 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.