UL 867:2000 pdf download Electrostatic Air Cleaners
1 Scope
1.1 These requirements cover electrostatic air cleaners rated at 600 volts or less, intended to removedust and other particles from the air and intended for use in accordance with the National Electrical Code.ANSI/NFPA 70.
1.2 These requirements do not cover electrostatic air cleaners for use in hazardous locations or to cleanatmospheres 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 otherparticles normally found in heating and ventilating systems.
1.4 Requirements for the installation of duct-type electrostatic air cleaners are included in the Standardfor the lnstallation of Air Conditioning and Ventilating Systems, NFPA 90A; and the Standard for theInstallation of Warm Air Heating and Air Conditioning Systems, NFPA 90B.
1.5 A product that contains features, characteristics, components, materials, or systems new or difterentfrom those covered by the requirements in this standard, and that involves a risk of fire or of electric shockor injury to persons shall be evaluated using appropriate additional component and end-productrequirements to maintain the level of safety as originally anticipated by the intent of this standard. Aproduct whose features, characteristics, components, materials, or systems conflict with specificrequirements or provisions of this standard does not comply with this standard. Revision of requirementsshall be proposed and adopted in conformance with the methods employed for development, revision, andimplementation of this standard.
2 General
2.1 Components
2.1.1 Except as indicated in 2.1.2, a component of a product covered by this standard shall comply withthe requirements for that component. See Appendix A for a list of standards covering components usedin the products covered by this standard.
2.1.2 A component is not required to comply with a specific requirement that:
a) Involves a feature or characteristic not required in the application of the component in theproduct covered by this standard, or
b) ls superseded by a requirement in this standard.
2.1.3 A component shall be used in accordance with its rating established for the intended conditions ofuse.
2.1.4 Specific components are incomplete in construction features or restricted in performancecapabilities. Such components are intended for use only under limited conditions, such as certaintemperatures not exceeding specified limits, and shall be used only under those specific conditions.
2.2 Units of measurement
2.2.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory orapproximate information.
2.3 Undated references
2.3.1 Any undated reference to a code or standard appearing in the requirements of this standard shallbe 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 bymeans of a probe as specified in Accessibility of Uninsulated Live Parts and Moving Parts, Section 6.
3.3 AIR CLEANERS – An air cleaner is defined as one of the following:
a)Duct type – A fixed or stationary type air cleaner intended for installation in and at adjoiningducts of heating, air conditioning, and ventilating systems. The air cleaner is not provided with afan, and the duct may provide part or all of the overall enclosure.
b) Fixed type – A self-contained or duct type air cleaner intended to be permanently connectedelectrically.
c) Portable type – A cord-and-plug-connected, self-contained type air cleaner that:
1) Can be easily moved from one place to another for use and
2) Has no provision for permanent mounting.
d) Self-contained type – A fixed, portable, or stationary type air cleaner that includes all partsnecessary for its intended operation, including active cell, fan, and the overall enclosure.
e)Stationary type – A cord-and plug-connected, self-contained or duct type air cleaner that isconstructed to be fastened in place or located in a dedicated space.
UL 867:2000 pdf download
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