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Section 1225.2 Carbon monoxide alarms. [amended text 12/14/2006] Single and multiple station carbon monoxide alarms shall be installed and maintained in newly constructed dwelling units and multiple dwellings and in dwelling units and multiple dwellings offered for sale, as provided in this section. (a) Where required: (1) one- and two-family dwellings and multiple single family dwellings (townhouses); (2) dwelling units in buildings [of Group R-2 occupancy classification] owned as condominiums or cooperatives; and (3) multiple dwellings (as defined in subdivision (f) of this section). However, a carbon monoxide alarm shall not be required in a dwelling unit if no fuel-fired appliance, no fuel-fired equipment, no solid-fuel burning appliance, no solid-fuel burning equipment, no wood stove, no fireplace, no other appliance or device that runs on or uses flammable or combustible fuel, no system that runs on or uses flammable or combustible fuel, no attached garage, and no other motor-vehicle related occupancy, is located in, or attached to, such dwelling unit or the structure in which such dwelling unit is located. (b) Location of carbon monoxide alarms. (1) In the case of a building that contains at least one dwelling unit (as defined in subdivision (f) of this section), at least one carbon monoxide alarm shall be provided in each such dwelling unit. The required carbon monoxide alarm shall be installed in the immediate vicinity of bedroom(s) on the lowest floor level of the dwelling unit containing bedroom(s). (2) In the case of a building that contains at least one sleeping unit (as defined in subdivision (f) of this section), at least one carbon monoxide alarm shall be provided on each floor level containing sleeping unit(s). The required carbon monoxide alarm shall be installed in the immediate vicinity of such sleeping units(s). In addition, at least one carbon monoxide alarm shall be provided inside each sleeping unit that contains any fuel-fired appliance, fuel-fired equipment, solid-fuel burning appliance, solid-fuel burning equipment, wood stove, fireplace, any other appliance or device that runs on or uses flammable or combustible fuel, or any system that runs on or uses flammable or combustible fuel. (3) In the case of a building that contains at least one dwelling unit (as defined in subdivision (f) of this section) and at least one sleeping unit (as defined in subdivision (f) of this section), compliance with paragraph (1) and paragraph (2) of this subdivision shall be required. (c) Equipment and installation. Carbon monoxide alarms shall be listed and labeled as complying with UL 2034-2002 (Single and Multiple Station Carbon Monoxide Alarms, Second Edition, October 29, 1996 - with revisions through and including June 28, 2002, published by Underwriters Laboratories, Incorporated), shall be installed, used and maintained in accordance with the manufacturer's installation instructions, and shall conform with paragraphs (1) and (2) of this subdivision. This subdivision shall not preclude the installation of listed combination smoke/carbon monoxide alarms. (1) Power source. Carbon monoxide alarms are permitted to be permanently connected to the building wiring system, connected by cord or plug to the wiring system, or battery operated. Where carbon monoxide alarms are permanently installed, they shall receive their primary power from a lighting circuit of the building wiring system, provided that such wiring system is served from a commercial source. Wiring shall be permanent and without a disconnecting switch other than as required for overcurrent protection. (2) Combination systems and supervisory service. Where carbon monoxide alarms are a component of a fire/burglar/carbon monoxide system, or alarms are monitored by an approved supervising station, a distinctive alarm signal shall be used to differentiate between the carbon monoxide alarms and other alarm system functions. Activation of a carbon monoxide alarm shall not activate a fire alarm signal. Carbon monoxide alarms shall be wired such that short circuits, open circuits, or any other ground-fault will not interfere with monitoring for integrity of the fire warning system. (d) Maintenance. Carbon monoxide alarms shall be maintained in conformance with the manufacturer's instructions. Where a carbon monoxide alarm receives primary or backup power from a battery, the alarm shall emit a signal when batteries are low. Where the battery is of a removable type, it shall be replaced in conformance with the manufacturer's instructions. (e) Disabling of alarms. Required carbon monoxide alarms shall not be removed or disabled, except for replacement, service or repair purposes. (f) Definitions. For purposes of this section, the following words and terms shall have the following meanings: (1) The term

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