UL 2034
Standard for Single and Multiple Station Carbon Monoxide Alarms

DETAILS
Edition Number:3SCC Approved:--
Edition Date:2008-02-28DOD Approved: --
Price Code:DANSI Approved: 2016-05-11
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover electrically operated single and multiple station carbon monoxide (CO) alarms intended for protection in ordinary indoor locations of dwelling units, including recreational vehicles, mobile homes, and recreational boats with enclosed accommodation spaces and cockpit areas.

    1.2 Carbon monoxide alarms covered by these requirements are intended to respond to the presence of carbon monoxide from sources such as, but not limited to, exhaust from internal-combustion engines, abnormal operation of fuel-fired appliances, and fireplaces. Carbon monoxide alarms are intended to alarm at carbon monoxide levels below those that cause a loss of ability to react to the dangers of carbon monoxide exposure. See Table 39.1, Part A, Alarm – carbon monoxide concentration and response time.

    1.3 Carbon monoxide alarms covered by this standard are not intended to alarm when exposed to long-term, low-level carbon monoxide exposures or slightly higher short-term transient carbon monoxide exposures, possibly caused by air pollution and/or properly installed/maintained fuel-fired appliances and fireplaces. See Table 39.1, Part B, False alarm resistance specifications.

    1.4 These requirements, where applicable, also cover all remote accessories that may be connected to or are intended to be employed with a single or multiple station carbon monoxide alarm. See 35.2.1.

    1.5 This standard does not cover the following:

    a)    Single and multiple station smoke alarms that are covered by the Standard for Single and Multiple Station Smoke Alarms, UL 217, or the Standard for Smoke Alarms, ULC-S531.

    b)    Smoke alarms of the nonself-contained type that are intended for connection to a household or industrial system control unit. These are included in the Standard for Smoke Detectors for Fire Alarm Signaling Systems, UL 268, or the Standard for Smoke Detectors, Fire Alarm, ULC-S529.

    c)    Mechanically operated single and multiple station fire alarm devices that are specified in the Standard for Single and Multiple Station Heat Detectors, UL 539, or the Standard for Heat Actuated Fire Detectors, Fire Alarm, ULC-S530.

    d)    Heat alarms whose requirements are covered in the Standard for Heat Detectors for Fire Protective Signaling Systems, UL 521, or the Standard for Lined Building Protection Fire Hose, ULC-530.

    e)    Carbon monoxide gas detectors intended for use in hazardous locations as defined in the U.S. Coast Guard Electrical Engineering Regulations.

    1.6 A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this standard, and that involves a risk of fire or of electric shock or injury to persons shall be evaluated using appropriate additional component and end-product requirements to maintain the level of safety as originally anticipated by the intent of this standard. A product whose features, characteristics, components, materials, or systems conflict with specific requirements or provisions of this standard does not comply with this standard. Revision of requirements shall be proposed and adopted in conformance with the methods employed for development, revision, and implementation of this standard.

  • TABLE OF CONTENTS
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    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 General
            • 2.1 Components
            • 2.2 Units of measurement
            • 2.3 Undated references
          • 3 Glossary
          • 4 Alarm Reliability Prediction
          • 5 Battery Removal Indicator
          • 6 Alarm Reset/Silence Button
          • 7 Voltage Classification
          • 8 Lifetime
        • CONSTRUCTION
          • 9 General
            • 9.1 Accessories
            • 9.2 Sensitivity adjustment
            • 9.3 Supplementary signaling feature
          • 10 Service and Maintenance Protection
            • 10.1 General
            • 10.2 Sharp edges
          • 11 Enclosure
            • 11.1 General
            • 11.2 Cast metal enclosures
            • 11.3 Sheet metal enclosures
            • 11.4 Nonmetallic enclosures
            • 11.5 Ventilating openings
            • 11.6 Covers
            • 11.7 Transparent panels
          • 12 Corrosion Protection
        • POWER SUPPLY
          • 13 Primary Power Supply
          • 14 Secondary Power Supply
          • 15 Batteries
            • 15.1 General
            • 15.2 Battery connections
          • 16 Supplementary Signaling Circuits
        • FIELD WIRING
          • 17 Permanent Connection
            • 17.1 General
            • 17.2 Field-wiring compartment for hazardous voltage connection
            • 17.3 Field-wiring terminals
            • 17.4 Field-wiring leads
            • 17.5 Grounded supply terminals and leads
          • 18 Power Supply Cord
          • 19 Equipment Grounding
            • 19.1 General
            • 19.2 Permanently-connected units
            • 19.3 Cord-connected units
          • 20 Remote Power Supply Leads
        • INTERNAL WIRING
          • 21 General
          • 22 Wireways
          • 23 Splices
          • 24 Barriers
          • 25 Grounding and Bonding
        • ELECTRICAL COMPONENTS
          • 26 General
            • 26.1 Mounting of components
            • 26.2 Operating components
            • 26.3 Current-carrying parts
            • 26.4 Electrical insulating material
          • 27 Bushings
          • 28 Lampholders and Lamps
          • 29 Protective Devices
          • 30 Printed-Wiring Boards
          • 31 Switches
          • 32 Transformers and Coils
          • 33 Dropping Resistors
          • 34 Spacings
        • PERFORMANCE
          • 35 General
            • 35.1 Test units and data
            • 35.2 Accessories
            • 35.3 Test voltages
            • 35.4 Component reliability data
          • 36 Normal Operation Test
          • 37 Circuit Measurement Test
            • 37.1 Current input
            • 37.2 Battery trouble voltage determination
            • 37.3 Battery trouble silence
          • 38 Electrical Supervision Test
            • 38.1 General
            • 38.2 AC powered units
            • 38.3 Battery powered units
            • 38.4 Component failure
            • 38.5 External wiring
          • 39 Sensitivity Test
            • 39.1 General
            • 39.2 Test equipment
            • 39.3 Test method
            • 39.4 Uniformity of operation
          • 40 Selectivity Test
          • 41 Sensitivity Test Feature
          • 42 Stability Tests
          • 43 Temperature Test
          • 44 Overload Test
            • 44.1 Alarm
            • 44.2 Separately energized circuits
          • 45 Endurance Test
            • 45.1 Alarm
            • 45.2 Separately energized circuits
            • 45.3 Audible signaling appliance
            • 45.4 Test means
          • 46 Variable Ambient Temperature Test
            • 46.1 Operation in high and low ambient
            • 46.2 Effect of shipping and storage
          • 47 Humidity Test
            • 47.1 High humidity (non-condensing)
            • 47.2 Low humidity
            • 47.3 Sensitivity measurements
          • 48 Leakage Current Test
          • 49 Transient Tests
            • 49.1 General
            • 49.2 Supply line (ring wave surge voltage) transients
            • 49.3 Internally induced transients
            • 49.4 Extraneous transients
            • 49.5 Supply line (extra-low-voltage) circuit transients
          • 49A Surge Immunity Test (Combination Wave)
          • 49B Surge Current Test
          • 50 Dielectric Voltage-Withstand Test
          • 51 Abnormal Operation Test
          • 52 Overvoltage Test
          • 53 Undervoltage Test
          • 54 Dust Test
          • 55 Static Discharge Test
          • 56 Vibration Test
          • 57 Replacement Test, Head and Cover
          • 58 Jarring Test
          • 59 Corrosion test
          • 60 Battery Tests
          • 61 Audibility Test
            • 61.1 General
            • 61.2 Sound output measurement
            • 61.3 Alarm duration test
            • 61.4 Supplementary remote sounding appliances
          • 62 Tests of Thermoplastic Materials
            • 62.1 General
            • 62.2 Accelerated air-oven aging test
            • 62.3 Flame test (3/4 inch)
            • 62.4 Flame test (5 inch)
            • 62.5 Impact test
          • 63 Paint Loading Test
          • 64 Battery Replacement Test
          • 65 Polarity Reversal Test
          • 66 Electric Shock Current Test
          • 67 Strain Relief Test
            • 67.1 General
            • 67.2 Power-supply cord
            • 67.3 Field-wiring leads
            • 67.4 Special connector
          • 68 Power Supply Tests
            • 68.1 General
            • 68.2 Volt-amperes capacity
            • 68.3 Burnout test
          • 69 Drop Test
        • CARBON MONOXIDE ALARMS FOR USE IN RECREATIONAL VEHICLES AND UNCONDITIONED AREAS
          • 70 General
            • 70.2 Marking
          • 71 Variable Ambient Temperature and Humidity Test
          • 72 Corrosion (Salt Spray) Test
          • 73 Vibration Test
          • 74 Contamination Test (Cooking By-Products)
          • 75 Carbon Monoxide Alarms for Use on Recreational Boats
            • 75.1 General
            • 75.2 Operation tests following conditioning
            • 75.3 Watertightness test
            • 75.4 Drip test
            • 75.5 Abnormal operation tests
            • 75.6 Salt-spray corrosion test
            • 75.7 Marking
            • 75.8 Operating and installation instructions
        • MANUFACTURING AND PRODUCTION TESTS
          • 76 General
          • 77 Sensitivity Calibration Tests
          • 78 Measurement of In-Service Reliability
            • 78.1 Required in-service reliability
            • 78.2 Sample frequency and sample size
            • 78.3 Test results and record keeping
          • 79 Production Line Dielectric Voltage-Withstand Tests
          • 80 Production Line Grounding Continuity Tests
          • 81 Audibility Test
          • 82 Alarm Shipment
        • MARKING
          • 83 General
        • INSTRUCTIONS
          • 84 General
          • 85 Installation and Operating Instructions for Evaluation
    • MANUFACTURING AND PRODUCTION TESTS
    • APPENDIX A
    • APPENDIX B – MARKING
    • APPENDIX C – MARKING MATERIAL ADHESION
    • Appendix D – Sample Size Determination for In Service Reliability Testing
    • APPENDIX E