UL 296
Standard for Oil Burners

DETAILS
Edition Number:11SCC Approved:--
Edition Date:2017-02-24DOD Approved: 1992-01-27
Price Code:CANSI Approved: 2017-02-24
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover oil burners intended for firing appliances and devices such as boilers; central, floor, wall, and special furnaces; storage tank water, air, and direct-fired air heater units; and ovens. These burners are required to be equipped with automatic primary safety controls to restrict abnormal discharge of oil at the burner in case of ignition failure or flame failure.

    1.2 The use of oil-burning equipment covered by the these requirements are intended for installation in accordance with the National Fire Protection Association Standard for the Installation of Oil-Burning Equipment, NFPA 31, the International Mechanical Code, and the Uniform Mechanical Code.

  • TABLE OF CONTENTS
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    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 Components
          • 3 Units of Measurement
          • 4 Undated References
          • 5 Glossary
        • CONSTRUCTION – MECHANICAL
          • 6 General
          • 7 Servicing
          • 8 Assembly
          • 9 Bases
          • 10 Fan Housings and Air Tubes
          • 11 Fire Pots and Vaporizers
          • 12 Combustion Air Controls
          • 13 Prepurge and Post-Purge
          • 14 Draft Regulators
          • 15 Strainers
          • 16 Constant-Level Devices
          • 17 Floats
          • 18 Fittings, and Piping and Tubing
          • 19 Valves
          • 20 Stuffing Boxes
          • 21 Gauges
          • 22 Gas Pilots
          • 23 Manually-Lighted Burners
          • 24 Antiflooding Devices
        • CONSTRUCTION – ELECTRICAL
          • 25 Servicing and Adjustment
          • 26 Ignition Systems
          • 27 Electric High-Tension Ignition
            • 27.1 Assembly
            • 27.2 Electrode and bus bars
            • 27.3 Insulators
            • 27.4 Leads
            • 27.5 Transformers
          • 28 Electric Hot-Wire Ignition
          • 29 Control Applications
          • 30 Primary Safety Controls
          • 31 General Components and Devices
          • 32 Field Wiring
            • 32.1 General
            • 32.2 Leads and terminals
          • 33 Internal Wiring
            • 33.1 General
            • 33.2 Methods
            • 33.3 Short circuit protection
          • 34 Overcurrent Protection of High-Voltage Control-Circuit Conductors
            • 34.1 General
            • 34.2 Direct-connected high-voltage control circuit
            • 34.3 Tapped high-voltage control circuits
            • 34.4 Overcurrent-protective devices
          • 35 Overcurrent Protection of Transformers
            • 35.1 High-voltage transformers
            • 35.2 Thermal protection
            • 35.3 Overcurrent protection
            • 35.4 Low-voltage transformers
            • 35.5 Overcurrent protective devices
          • 36 Separation of Circuits
          • 37 Accessibility
          • 38 Bonding for Grounding
          • 39 Mounting of Electrical Components
          • 40 Electrical Enclosures
            • 40.1 General
            • 40.2 Burners having a minimum input in excess of 3 gph (11.4 L/h)
            • 40.3 Burners having a minimum input 3 gph (11.4 L/h) or less
            • 40.4 Doors and covers
            • 40.5 Field-wiring system connections
          • 41 Motors and Motor Overload Protection
          • 42 Switches and Controllers
          • 43 Capacitors
          • 44 Electrical Insulating Material
          • 45 Spacings – High-Voltage Circuits
          • 46 Spacings – Low-Voltage Circuits
          • 47 Combination Gas-Oil Burners
        • PERFORMANCE
          • 48 General
          • 49 Measurements
          • 50 Test Voltage
          • 51 Combustion Tests
            • 51.1 General
            • 51.2 Mechanical-atomizing burners– test no. 1
            • 51.3 Vaporizing burners – test no. 2
          • 52 Combustion Air Failure Test – Test No. 3
          • 53 Interruption of Atomization Test – Test No. 4
          • 54 Undervoltage Test – Test No. 5
          • 55 Power Interruption Test – Test No. 6
          • 56 Temperature Test – Test No. 7
          • 57 Ignition Tests, Multiple Igniters
          • 58 Ignition Tests, Electric High-Tension
            • 58.1 Reduced voltage – cold oil – test no. 8
            • 58.2 Combustion detectors – test no. 9
          • 59 Ignition Test, Electric Hot-Wire
            • 59.1 Reduced voltage – test no. 10
            • 59.2 Reduced voltage – test no. 11
            • 59.3 Endurance – test no. 12
            • 59.4 Component temperatures – test no. 13
          • 60 Ignition Tests, Gas
            • 60.1 Reduced voltage – test no. 14
            • 60.2 Pilot supervision – test no. 15
            • 60.3 Flame failure response – test no. 16
            • 60.4 Stability – test no. 17
          • 61 Ignition Test, Gas-Electric – Test No. 18
          • 62 Ignition Test, Gas-Electric High-Tension
            • 62.1 Reduced voltage – cold oil – test no. 19
          • 63 Ignition Tests, Gas-Electric Hot-Wire
            • 63.1 Reduced voltage – test no. 20
            • 63.2 Reduced voltage – cold oil – test no. 21
          • 64 Ignition Tests, Manual
            • 64.1 Time for ignition – test no. 22
            • 64.2 Stability of ignition – test no. 23
            • 64.3 Ignition flash – test no. 24
            • 64.4 Reduced voltage (electric or gas-electric) – test no. 25
          • 65 Ignition Test, Multiple-Atomizer Burner – Test No. 26
          • 66 Ignition Tests, Multiple-Vaporizer Burner – Test No. 27
          • 67 Return of Ignition – Test No. 28
          • 68 Seepage and Burnoff Test – Test No. 29
          • 69 Dielectric Voltage-Withstand Test – Test No. 30
          • 70 Short Circuit Test – Test No. 31
          • 71 Overload Test, High-Voltage Transformers
          • 72 Burnout Test, High-Voltage Transformers
        • MANUFACTURING AND PRODUCTION TESTS
          • 73 General
        • MARKING
          • 74 General
          • 75 Instructions