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Carbon monoxide detection shall be installed in the locations specified in Sections 915.3 through 915.3.3 plus any additional locations as required by the manufacturer of the carbon monoxide detection device. All carbon monoxide detectors shall be installed in locations that avoid dead air spaces, turbulent air spaces, fresh air returns, open windows, HVAC ducts, closed doors, and other such obstructions that could prevent carbon monoxide from reaching the detector. Where there is a conflict between the location requirements specified by this code and the location requirements specified by the manufacturer of the carbon monoxide detection device, the more restrictive shall govern.
Exception: Where Sections 915.3 through 915.3.3 require a room or area to be protected by multiple carbon monoxide detectors, one carbon monoxide detector may be provided in an approved location that satisfies all applicable requirements of Sections 915.3.1 through 915.3.3 or otherwise provides the room or area with adequate protection. The level of protection in adjacent rooms shall not be reduced by the elimination of an otherwise required detector.
[NY] 915.3.1 Residential Buildings and Commercial Buildings That Contain a Fuel-Burning Appliance
Carbon monoxide detection shall be installed in residential buildings and commercial buildings in all rooms, occupiable space, dwelling units, sleeping areas, and sleeping units that contain a fuel-burning appliance.
Exceptions:
  1. In sleeping areas and sleeping units where a fuelburning appliance is located in an attached bathroom, utility room, closet, or space, a carbon monoxide detector shall be installed in a central or otherwise approved location in the sleeping area or sleeping unit.
  2. In dwelling units and sleeping units where a fuelburning appliance is located in a kitchen or kitchenette, a carbon monoxide detector shall be installed outside of the sleeping areas and within 10 feet (3048 mm) of the entrance to the sleeping areas.
[NY] 915.3.1.1 Rooms With an Elevator Shaft
When a room containing a fuel-burning appliance also contains an elevator that provides access to an upper level of a building, the carbon monoxide detector shall be installed between the fuel-burning appliance and the elevator.
[NY] 915.3.1.2 Rooms With Communicating Openings
Carbon monoxide detection shall be installed in a central or otherwise approved location in occupiable space, sleeping areas, and sleeping units that have a direct communicating opening to a room that contains a fuel-burning appliance.
[NY] 915.3.1.3 Dwelling Units and Sleeping Units That Contain a Fuel-Burning Appliance
Carbon monoxide detection shall be installed outside of sleeping areas and within 10 feet (3048 mm) of the entrance to the sleeping areas in dwelling units and sleeping units that contain a fuel-burning appliance.
Exception: Carbon monoxide detection shall be installed in sleeping areas when required by Sections 915.3.1 through 915.3.1.2, Section 915.3.2, or Section 915.3.3, as applicable.
[NY] 915.3.2 Commercial Buildings Served by a Fuelburning Forced-Air Furnace
Carbon monoxide detection shall be installed in a central or otherwise approved location in commercial buildings in the following locations when such location is served by a fuel-burning forced-air furnace:
  1. In each HVAC zone on every floor level that is served by a fuel-burning forced air furnace.
  2. In sleeping units, sleeping areas in day care facilities, and in every classroom in a Group E occupancy that is served by a fuel-burning forced-air furnace.
  3. Outside of sleeping areas and within 10 feet (3048 mm) of the entrance to the sleeping areas in dwelling units.
Exceptions:
  1. Carbon monoxide detection shall not be required to be installed in accordance with Section 915.3.2, Items 1 or 2, where carbon monoxide detection is provided in each main duct leaving the furnace and the carbon monoxide alarm signals are automatically transmitted to an approved location that provides occupant notification.
  2. Carbon monoxide detection shall not be required in sleeping areas, sleeping units, sleeping areas in day care facilities, and in every classroom in a Group E occupancy if a carbon monoxide detector is provided in the first room or area served by each main duct leaving the furnace and the carbon monoxide alarm signals are automatically transmitted to an approved location that provided occupant notification.
[NY] 915.3.3 Residential Buildings and Commercial Buildings With an Attached Motor Vehicle Related Occupancy
Carbon monoxide detection shall be installed in a central or otherwise approved location in each occupiable space in a commercial building and within 10 feet (3048 mm) of the entrance to sleeping areas and sleeping units in residential buildings and commercial buildings that:
  1. Have a communicating opening with an attached motor vehicle related occupancy,
  2. Share one or more common walls with an attached motor vehicle related occupancy, or
  3. Are located one story above or below a motor vehicle related occupancy.
Exceptions: Carbon monoxide detection shall not be required:
  1. Where a motor vehicle related occupancy connects to a building through an open-ended corridor, or
  2. Where a carbon monoxide detector is provided in an approved location between a room and the motor vehicle related occupancy and the carbon monoxide alarm signals are automatically transmitted to an approved location that provides occupant notification.

Related Code Sections

915.3 Fire Protection and Life Safety Systems, Detection Locations
Carbon monoxide detection shall be installed in the locations specified in Sections 915.3 through 915.3.3 plus any additional locations as required ...
915.2.1 Fire Protection Systems, Dwelling Units
Where a fuel-burning appliance is located within a bedroom or its attached bathroom, carbon monoxide detection shall be installed within the bedroom ...