UL 867:2021 pdf download.STANDARD FOR SAFETY-Electrostatic Air Cleaners.
1.1 These requirements cover electrostatic air cleaners rated at 600 volts or less, intended to remove dust and other particles from the air and intended for use in accordance with the National Electrical Code, ANSI/N FPA 70.
In reference to 1.1, these requirements may be used to evaluate products that are:
a) Powered entirely by a low-voltage supply source, such as those intended for connection to a Universal Serial Bus (USB) supply source; or
b) Provided with or intended for use with one or more rechargeable battery system(s) for portable appliances intended for household use only.
1.1.2 These requirements do not cover battery operated products other than portable appliances intended for household use only.
1.2 These requirements do not cover electrostatic air cleaners for use in hazardous locations or to clean atmospheres defined as hazardous by the National Electrical Code, ANSI/NFPA 70.
1.3 These requirements do not cover air cleaners intended to remove particles other than dust and other particles normally found in heating and ventilating systems.
1.4 Requirements for the installation of duct-type electrostatic air cleaners are included in the Standard for the Installation of Air Conditioning and Ventilating Systems, NFPA 90A; and the Standard for the Installation of Warm Air Heating and Air Conditioning Systems, NFPA 90B.
2 General
2.1 Components
2.1.1 Deleted
2.1.2 Deleted
2.1.3 Deleted
2.1.4 Deleted
2.1.5 No component shall contain liquid mercury.
2.2 Units of measurement
2.2.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information.
2.3 Undated references
2.3.1 Any undated reference to a code or standard appearing in the requirements of this standard shall be interpreted as referring to the latest edition of that code or standard.
3 Glossary
3.1 For the purposes of this standard the following definitions apply.
3.2 ACCESSIBLE PART — A part located so that it can be contacted by a person either directly or by means of a probe as specified in Accessibility of Uninsulated Live Parts and Moving Parts, Section
3.3 AIR CLEANERS — An air cleaner is defined as one of the following:
a) Duct type — An air cleaner intended for installation in and at adjoining ducts, including the plenum, of heating, air conditioning, and ventilating systems. The air cleaner may not be provided with a fan, and the duct may provide part or all of the cabinet. This type of air cleaner may be either cord-and-plug connected or permanently connected to the electrical supply source.
b) Fixed type — An air cleaner intended to be:
1) Permanently connected to the electrical supply source;
2) Permanently mounted, such that tools are required for the product installation or removal; or,
3) Sized so that it is not easily moved from one place to another.
c) Portable type — A cord-and-plug-connected air cleaner that:
1) Can be easily moved from one place to another for use; and
2) Has no provision for permanent mounting. Tools are not required for the product installation or removal.UL 867 pdf download.