What operating instructions and control diagrams must the installer provide?

Grounded in the retrieved California Mechanical Code — click a citation to read the verbatim passage:

• CMC § 108.1 High relevance — show source text

  The tag stating the date of the test and the name of the tester shall be

  attached to the appliance at the main valve.

  (b) Oil and liquid fuel burners of 1 000 000 Btu/h (293 kW) input or more require a supervised startup in accordance with Section C 108.1(10)(a).

  (c) Installation of oxygen trim systems, modulating dampers, or other draft control or combustion devices require a supervised startup in accordance with Section C 108.1(10)(a).

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  APPENDIX C

  (d) Direct-fired heaters shall require a supervised startup in accordance with Section C 108.1(10)(a).

  (11)The complete control diagram of the installation and operating instructions shall be supplied and posted by the installer of the appliance.

  C 109.0 Special Requirements Based on Btu/h Input.

  C 109.1 General.

  (1) Zero to 400 000 Btu/h (0 kW to 117 kW) per burner.

  (a) One approved manual shutoff valve lever handle.

  (b) One approved fuel oil filter, installed on the supply piping.

  (c) Approved automatic safety shutoff valve to provide 100 percent shutoff of all oil.

  (d) A flame safeguard control capable of providing 100 percent shutoff in the event of flame failure. Flame failure response timing shall not exceed the control manufacturer’s instructions.

  (e) Two controls, one operating and one high limit, activated by temperature or pressure, as appropriate.

  (f) Burners relying on mechanical means to provide air for combustion shall have actual proof-of-air interlock device.

  (g) Installations with dampered combustion air openings shall prove damper open position before trial for burner ignition.

  (h) Vent dampers and flue dampers shall be properly interlocked to prevent burner ignition unless safely

  open.

  (2) Four hundred thousand and one to 999 999 Btu/h (117.2 kW to 292.9 kW) per burner.

  (a) One approved manual shutoff valve lever handle.

  (b) One approved fuel-oil filter, installed on the supply piping.

  (c) Two safety shutoff valves in series, maximum five seconds closing time.

  (d) One electronic flame safeguard pilot control providing a separately supervised and proven pilot, 100 percent shutoff manual reset. Flame failure response time shall not exceed the control manufacturer’s

  instructions.

  Direct-spark ignition shall be allowed where approved by the Authority Having Jurisdiction and where used on number 2 or lighter oil.

  (e) Two controls, one operating and one high limit, activated by temperature or pressure, as appropriate.

  (f) Burners relying on mechanical means to provide air for combustion shall have actual proof-of-air interlock device.

  (g) Power burners shall include proven prepurge of not less than 60 seconds at high-fire damper settings. This prepurge shall occur before every burner cycle, regardless of reason.

  (h) Installations with dampered combustion air openings shall prove damper open position before trial for burner ignition.

  (i) Vent dampers and flue dampers shall be interlocked to prevent burner ignition unless safely open.

  (j) One high oil or liquid fuel-pressure interlock, reset from flame safeguard or manually.

  (k) Where hot water or steam, one low water cutoff.

  (l) An atomizing medium proving switch.

• CMC § 0.04 High relevance — show source text

  (8) Listing and approval.

  (a) The concentration of oxygen in the undiluted flue products of oil or liquid fuel burners shall in no case be less than 3 percent nor exceed 10 percent and shall be in accordance with performance standards and shall be consistent with the listing and approval of the equipment.

  (b) The allowable limit of carbon monoxide shall not exceed 0.04 percent.

  (c) The flue gas temperature of an oil appliance, as taken on the appliance side of the draft regulator, shall not exceed applicable performance standards and shall be consistent with the listing and approvals of the equipment.

  (9) The oxygen figures shall not apply where there is an approved oxygen trim system on the burner that is designed for that use, including a low oxygen interlock where approved by the Authority Having Jurisdiction.

  (10)Supervision shall be as follows:

  (a) Supervised startup shall be required to verify the safe operation of an oil or liquid fuel burner and to provide documentation that operation is consistent with this code, listing, and approval. Supervised startup shall be required for liquid fuel burners in Section C 109.1(2) through Section C 109.1(5). Supervised startup requires that the liquid-fuel burner shall be tested in the presence of the mechanical official in a manner set forth by the Authority Having Jurisdiction before the installation is approved. Testing shall include safety and operating controls, input, flue gas analysis, and venting. Flue gas shall be tested at high, medium, and low fires. Provisions shall be made in the system to allow a firing test in warm weather. After completion of the test of newly installed oil or liquid fuel burner equipment, as provided in this section, the installer shall file with the Authority Having Jurisdiction complete records of the test on a form approved by the Authority Having Jurisdiction. The tag stating the date of the test and the name of the tester shall be

  attached to the appliance at the main valve.

  (b) Oil and liquid fuel burners of 1 000 000 Btu/h (293 kW) input or more require a supervised startup in accordance with Section C 108.1(10)(a).

  (c) Installation of oxygen trim systems, modulating dampers, or other draft control or combustion devices require a supervised startup in accordance with Section C 108.1(10)(a).

  2025 CALIFORNIA MECHANICAL CODE 399

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  APPENDIX C

  (d) Direct-fired heaters shall require a supervised startup in accordance with Section C 108.1(10)(a).

  (11)The complete control diagram of the installation and operating instructions shall be supplied and posted by the installer of the appliance.

  C 109.0 Special Requirements Based on Btu/h Input.

  C 109.1 General.

  (1) Zero to 400 000 Btu/h (0 kW to 117 kW) per burner.

  (a) One approved manual shutoff valve lever handle.

  (b) One approved fuel oil filter, installed on the supply piping.

  (c) Approved automatic safety shutoff valve to provide 100 percent shutoff of all oil.

  (d) A flame safeguard control capable of providing 100 percent shutoff in the event of flame failure. Flame failure response timing shall not exceed the control manufacturer’s instructions.

• CMC § 92.9 High relevance — show source text

  (3) 1000 square foot (92.9 m [2] ) heating surface

  Power boilers that do not exceed one of the following limits:

  (1) 5 000 000 Btu/h input (1464 kW)

  (2) 5000 pounds steam per hour (0.6299 kg/s) capacity (3) 1000 square foot (92.9 m [2] ) heating surface

  Boilers with manholes on top of the boiler, except those described in Section 1010.2 and Section 1010.4, shall have a clearance of not less than 3 feet (914 mm) from the top of the boiler to the ceiling. 1010.4 Package Boilers, Steam-Heating Boilers, and Hot-Water-Heating Boilers. Package boilers, steam-heating boilers, and hot-water-heating boilers with no manhole on top of the shell and not exceeding one of the above limits shall have a clearance of not less than 2 feet (610 mm) from the ceiling.

  1011.0 Boilers, Stokers, and Steam Generators.

  1011.1 General. The design, installation, and operation of single burner boilers, multiple burner boilers, stokers, and atmospheric fluidized-bed boilers with not less than a fuel input rating of 12.5 E+06 Btu/h (3.663 MW) to pulverized fuel systems, fired or unfired steam generators used to recover heat from combustion turbines and to other combustion turbine exhaust systems shall be in accordance with NFPA 85. That portion of the oil-burning system supplied on boilers and covered within the scope of NFPA 85 shall be installed in accordance with NFPA 85.

  1012.0 Operating Adjustments and Instructions. 1012.1 General. Hot water boiler installations, upon completion, shall have controls set, adjusted, and tested by the installing contractor. A complete control diagram of a permanent legible type, together with complete boiler operating instructions, shall be furnished by the installer for each installation.

  1013.0 Inspections and Tests. 1013.1 General. An installation for which a permit is required shall not be put into service until it has been inspected and approved by the Authority Having Jurisdiction.

  It shall be the duty of the owner or his authorized representative to notify the Authority Having Jurisdiction that the installation is ready for inspection and test. It also shall be the duty of the owner or his authorized representative to post in a conspicuous position on the installation a notice in substantially the following form: “WARNING! THIS INSTALLATION HAS NOT BEEN INSPECTED AND APPROVED

  BY THE AUTHORITY HAVING JURISDICTION AND

  SHALL NOT BE COVERED OR CONCEALED UNTIL SO INSPECTED AND APPROVED,” and it shall be unlawful for anyone other than the Authority Having Jurisdiction to remove such notice. The Authority Having Jurisdiction shall require such tests as it deems necessary to determine that the installation is in accordance with the provision of this section. Such tests shall be made by the owner or his authorized representative in the presence of the Authority Having Jurisdiction.

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  BOILERS AND PRESSURE VESSELS

• CMC § 1012.0 High relevance — show source text

  1012.0 Operating Adjustments and Instructions. 1012.1 General. Hot water boiler installations, upon completion, shall have controls set, adjusted, and tested by the installing contractor. A complete control diagram of a permanent legible type, together with complete boiler operating instructions, shall be furnished by the installer for each installation.

  1013.0 Inspections and Tests. 1013.1 General. An installation for which a permit is required shall not be put into service until it has been inspected and approved by the Authority Having Jurisdiction.

  It shall be the duty of the owner or his authorized representative to notify the Authority Having Jurisdiction that the installation is ready for inspection and test. It also shall be the duty of the owner or his authorized representative to post in a conspicuous position on the installation a notice in substantially the following form: “WARNING! THIS INSTALLATION HAS NOT BEEN INSPECTED AND APPROVED

  BY THE AUTHORITY HAVING JURISDICTION AND

  SHALL NOT BE COVERED OR CONCEALED UNTIL SO INSPECTED AND APPROVED,” and it shall be unlawful for anyone other than the Authority Having Jurisdiction to remove such notice. The Authority Having Jurisdiction shall require such tests as it deems necessary to determine that the installation is in accordance with the provision of this section. Such tests shall be made by the owner or his authorized representative in the presence of the Authority Having Jurisdiction.

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  BOILERS AND PRESSURE VESSELS

  Exception: On installations designed and supervised by a registered design professional, the Authority Having Jurisdiction shall have the authority to permit inspection and testing by such registered design professional.

  Where the owner or his authorized representative requests inspection of a boiler prior to its installation, the Authority Having Jurisdiction shall make such inspection. 1013.2 Operating Permit. It shall be unlawful to operate a boiler or pressure vessel without first obtaining a valid operating permit to do so from the Authority Having Jurisdiction. Such permit shall be displayed in a conspicuous place adjacent to the boiler or vessel. The operating permit shall not be issued until the equipment has been inspected and approved by the Authority Having Jurisdiction.

  Exception: The operation of steam-heating boilers, low-pressure hot-water-heating boilers, hot water supply boilers, and pressure vessels in residential occupancies of less than six dwelling units and utility occupancies. 1013.3 Maintenance Inspection. The Authority Having Jurisdiction shall inspect boilers and pressure vessels operated under a permit in accordance with ASHRAE/ACCA 180 at such intervals as deemed necessary, but not less frequently than in accordance with Section 1013.4 through Section 1013.7.

  1013.4 Power and Miniature Boilers. Power boilers and miniature boilers shall be inspected externally annually. Where construction and operating conditions permit, they shall be subject to inspection internally annually. 1013.5 Steam-Heating and Water-Heating Boilers. Steam-heating boilers and hot-water-heating boilers shall be inspected externally annually. Where construction and operating conditions permit, they shall also be subject to inspection internally annually. 1013.6 Automatic Steam-Heating Boilers. Automatic steam-heating boilers shall be inspected externally biennially. Where construction and operating conditions permit, they shall be subject to inspection internally biennially.

• CMC § 8-19 High relevance — show source text

  Project change orders and information d. Current requirements i. Building operating schedules

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE 8-19

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  COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL

  ii. Space temperature, humidity and pressure, CO 2 setpoints

  iii. Summer and winter setback schedules

  iv. Chilled and hot water temperatures v. As-built control setpoints and parameters

  2. Site contact information

  a. Owner information

  b. Emergency contacts c. Design team: architect, mechanical engineer, electrical engineer, etc.

  d. Prime contractor contact information

  e. Subcontractor information

  f. Equipment supplier contact information 3. Basic operation and maintenance, including general site operating procedures, basic trouble shooting, recommended maintenance requirements site events log

  a. Basic operation i. Written narratives of basic equipment operation ii. Interfaces, interlocks and interaction with other equipment and systems iii. Initial maintenance provided by contactor b. General site operating procedures i. Instructions for changes in major system operating schedules ii. Instructions for changes in major system holiday and weekend schedules c. Basic troubleshooting i. Cite any recommended troubleshooting procedures specific to the major systems and equipment installed in the building. ii. Manual operation procedures iii. Standby/backup operation procedures iv. Bypass operation procedures v. Major system power fail resets and restarts vi. Trend log listing d. Recommended maintenance events log e. Operation & Maintenance manuals - location or delivery information

  4. Major systems a. Renewable energy systems i. Photovoltaic panels and inverters ii. Wind-powered electrical generators and inverters b. Landscape irrigation systems i. Water distribution diagrams ii. Control system

  c. Water reuse systems i. Reclaimed water system for indoor use ii. Reclaimed water for irrigation use 5. Site equipment inventory and maintenance notes

  a. Spare parts inventory b. Frequently required parts and supplies c. Special equipment required to operate or maintain systems d. Special tools required to operate or maintain systems 6. A copy of all special inspection verifications required by the enforcing agency of this code

  7. Other resources and documentation

  6.1.3 Enforcement:

  At their discretion, the inspector confirms demonstrated compliance during on-site enforcement by: a. Receipt of a copy of the Systems Manual, or b. Receipt of a form signed by the owner or owner’s representative attesting that the systems manual has been completed.

  8-20 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE

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  COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL

  Reference: 6.2 Documentation and training

  CALGreen Section 5.410.2.5, Documentation and training.

  Section 5.410.2.5.2, Systems operations training.

  6.2.1 Intent:

  The systems operation training verifies that a training program is developed to provide training to the appropriate maintenance staff for each equipment type and/or system and that this training program is documented in the commissioning report. The systems operations training program is specified in the project specifications for the major systems listed. The systems manual, Operation and Maintenance (O&M) documentation and record drawings are prepared and available to the maintenance staff prior to implementation of any training or the development of a written training program. The training program is to be administered when the appropriate maintenance staff is made available to receive training.

• CMC § 909.12.4 High relevance — show source text

  [F] 909.12.4 Automatic control. Where completely automatic control is required or used, the automatic-control sequences shall be initiated from an appropriately zoned automatic sprinkler system complying with Section 903.3.1.1, manual controls provided with ready access for the fire department and any smoke detectors required by engineering analysis.

  [F] 909.13 Control air tubing. Control air tubing shall be of sufficient size to meet the required response times. Tubing shall be flushed clean and dry prior to final connections and shall be adequately supported and protected from damage. Tubing passing through concrete or masonry shall be sleeved and protected from abrasion and electrolytic action.

  [F] 909.13.1 Materials. Control-air tubing shall be hard-drawn copper, Type L, ACR in accordance with ASTM B42, ASTM B43, ASTM B68/B68M, ASTM B88, ASTM B251 and ASTM B280. Fittings shall be wrought copper or brass, solder type in accordance with ASME B16.18 or ASME B16.22. Changes in direction shall be made with appropriate tool bends. Brass compression-type fittings shall be used at final connection to devices; other joints shall be brazed using a BCuP-5 brazing alloy with solidus above 1,100°F (593°C) and liquids below 1,500°F (816°C). Brazing flux shall be used on copper-to-brass joints only.

  Exception: Nonmetallic tubing used within control panels and at the final connection to devices provided that all of the following conditions are met:

  1. Tubing shall comply with the requirements of Chapter 6 of the California Mechanical Code .
  2. Tubing and connected devices shall be completely enclosed within a galvanized or paint-grade steel enclosure having a minimum thickness of 0.0296 inch (0.7534 mm) (No. 22 gage). Entry to the enclosure shall be by copper tubing with a protective grommet of neoprene or Teflon or by suitable brass compression to male barbed adapter.
  3. Tubing shall be identified by appropriately documented coding.
  4. Tubing shall be neatly tied and supported within the enclosure. Tubing bridging cabinets and doors or moveable devices shall be of sufficient length to avoid tension and excessive stress. Tubing shall be protected against abrasion. Tubing connected to devices on doors shall be fastened along hinges.

  [F] 909.13.2 Isolation from other functions. Control tubing serving other than smoke control functions shall be isolated by automatic isolation valves or shall be an independent system.

  [F] 909.13.3 Testing. Control air tubing shall be tested at three times the operating pressure for not less than 30 minutes without any noticeable loss in gauge pressure prior to final connection to devices.

  [F] 909.14 Marking and identification. The detection and control systems shall be clearly marked at all junctions, accesses and terminations.

  [F] 909.15 Control diagrams. Identical control diagrams showing all devices in the system and identifying their location and function shall be maintained current and kept on file with the fire code official, the fire department and in the fire command center in a format and manner approved by the fire code official.

• CMC § 0.0296 High relevance — show source text

  Tubing shall comply with the requirements of Chapter 6 of the California Mechanical Code . 2. Tubing and connected devices shall be completely enclosed within a galvanized or paint-grade steel enclosure having a minimum thickness of 0.0296 inch (0.7534 mm) (No. 22 gage). Entry to the enclosure shall be by copper tubing with a protective grommet of neoprene or Teflon or by suitable brass compression to male barbed adapter. 3. Tubing shall be identified by appropriately documented coding. 4. Tubing shall be neatly tied and supported within the enclosure. Tubing bridging cabinets and doors or moveable devices shall be of sufficient length to avoid tension and excessive stress. Tubing shall be protected against abrasion. Tubing connected to devices on doors shall be fastened along hinges.

  [F] 909.13.2 Isolation from other functions. Control tubing serving other than smoke control functions shall be isolated by automatic isolation valves or shall be an independent system.

  [F] 909.13.3 Testing. Control air tubing shall be tested at three times the operating pressure for not less than 30 minutes without any noticeable loss in gauge pressure prior to final connection to devices.

  [F] 909.14 Marking and identification. The detection and control systems shall be clearly marked at all junctions, accesses and terminations.

  [F] 909.15 Control diagrams. Identical control diagrams showing all devices in the system and identifying their location and function shall be maintained current and kept on file with the fire code official, the fire department and in the fire command center in a format and manner approved by the fire code official.

  [F] 909.16 Firefighter’s smoke control panel. A firefighter’s smoke control panel for fire department emergency response purposes only shall be provided and shall include manual control or override of automatic control for mechanical smoke control systems. The panel shall be located in a fire command center complying with Section 911 in high-rise buildings Group I-2 occupancies having occu- pied floors located more than 75 feet above the lowest level of fire department vehicle access or buildings with smoke-protected assembly seating. In all other buildings, the firefighter’s smoke control panel shall be installed in an approved location adjacent to the fire alarm control panel. The firefighter’s smoke control panel shall comply with Sections 909.16.1 through 909.16.3.

  [F] 909.16.1 Smoke control systems. Fans within the building shall be shown on the firefighter’s control panel. A clear indication of the direction of airflow and the relationship of components shall be displayed. Status indicators shall be provided for all smoke control equipment, annunciated by fan and zone, and by approved pilot-lamp-type indicators as follows:

  1. Fans, dampers and other operating equipment in their normal status—WHITE.
  2. Fans, dampers and other operating equipment in their off or closed status—RED.
  3. Fans, dampers and other operating equipment in their on or open status—GREEN.
  4. Fans, dampers and other operating equipment in a fault status—YELLOW/AMBER.

  [F] 909.16.2 Smoke control panel. The firefighter’s control panel shall provide control capability over the complete smoke control system equipment within the building as follows:

  1. ON-AUTO-OFF control over each individual piece of operating smoke control equipment that can be controlled from other sources within the building.
• CMC § 6.1 High relevance — show source text

  Reference: 6.1 Documentation and training

  CALGreen Section 5.410.2.5, Documentation and training.

  Section 5.410.2.5.1, Systems manual.

  6.1.1 Intent:

  The Systems Manual documents information focusing on the operation of the building systems. This document provides information needed to understand, operate and maintain the equipment and systems and informs those not involved in the design and construction of the building systems. This document is in addition to the record construction drawings, documents and the Operation & Maintenance (O&M) manuals supplied by the contractor. The Systems Manual is assembled during the construction phase and available during the contractors’ training of the facility staff.

  6.1.2 Compliance Method:

  Compliance is demonstrated by providing the Systems Manual. The information in the Systems Manual includes the following:

  1. Site information, including facility description, history and current requirements

  a. Site information

  i. Location of property - address

  ii. Site acreage iii. Local utility information

             Water service provider
  
             Natural/LPG gas service provider
  
             Electrical service provider
  
             Telecommunications service provider
  
             Other service providers
  

  b. Facility description i. Use/function

  ii. Square footage

  iii. Occupancy type

  iv. Construction type v. Basis of Design vi. Location of major systems and equipment c. Project history

  i. Project requirements

             Owner’s Project Requirements (OPR)
  
             Basis of Design (BOD)
  

  ii. Project undocumented events iii. Record drawings and documents iv. Final control drawings and schematics v. Final control sequences vi. Construction documents - location or delivery information

             Mechanical and electrical drawings
  
             Specifications
             - Submittals
  
             Project change orders and information
  

  d. Current requirements i. Building operating schedules

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE 8-19

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  COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL

  ii. Space temperature, humidity and pressure, CO 2 setpoints

  iii. Summer and winter setback schedules

  iv. Chilled and hot water temperatures v. As-built control setpoints and parameters

  2. Site contact information

  a. Owner information

  b. Emergency contacts c. Design team: architect, mechanical engineer, electrical engineer, etc.

  d. Prime contractor contact information

  e. Subcontractor information

  f. Equipment supplier contact information 3. Basic operation and maintenance, including general site operating procedures, basic trouble shooting, recommended maintenance requirements site events log

  a. Basic operation i. Written narratives of basic equipment operation ii. Interfaces, interlocks and interaction with other equipment and systems iii. Initial maintenance provided by contactor b. General site operating procedures i. Instructions for changes in major system operating schedules ii. Instructions for changes in major system holiday and weekend schedules c. Basic troubleshooting i. Cite any recommended troubleshooting procedures specific to the major systems and equipment installed in the building. ii. Manual operation procedures iii. Standby/backup operation procedures iv. Bypass operation procedures v. Major system power fail resets and restarts vi. Trend log listing d. Recommended maintenance events log e. Operation & Maintenance manuals - location or delivery information

  4. Major systems a. Renewable energy systems i. Photovoltaic panels and inverters ii. Wind-powered electrical generators and inverters b. Landscape irrigation systems i. Water distribution diagrams ii. Control system
• CMC § 103.0 High relevance — show source text

  Valve, Oil, Gas, or Fuel Control. An automatically or manually operated device consisting essentially of a fuel valve for controlling the fuel supply to a burner.

  C 103.0 Standards and Accepted Practices.

  C 103.1 General. The installation, testing, and repair of oil or liquid fuel-burning equipment systems shall be in accordance with this section, the standards listed in Chapter 18, and other information outlined in this code such as, but not limited to, combustion air, flue and breeching requirements, room clearances and dimensions, and control requirements.

  C 104.0 Approval of Equipment.

  C 104.1 General. Oil or liquid fuel-burning equipment shall be approved.

  C 105.0 Placing Equipment in Operation.

  C 105.1 General. After completion of installations, the installer shall test safety and operating controls and venting before placing the burner in service. The correct input of liquid fuel shall be determined, and the fuel-to-air ratio shall be set. Each oil or liquid fuel burner shall be adjusted to its input according to the manufacturer’s instructions. Overrating the burners or the appliance is prohibited. The input range shall be appropriate to the appliance:

  (1) For conversion burners installed in hot water (liquid) boilers or warm air furnaces, the rate of flow of the oil or liquid fuel in British thermal units per hour (Btu/h) (kW) shall be adjusted to within plus or minus 5 percent of the design load, not to exceed the design rate of the appli ance.

  (2) For conversion burners installed in steam boilers, the oil or liquid fuel hourly input demand shall be adjusted to be in accordance with the steam load requirements. The oil or liquid fuel input demand necessitated by an oversized boiler shall be established and added to total input demand.

  C 106.0 Pilot Operation.

  C 106.1 General. Igniter or pilot flames shall be effective to ignite the oil or liquid fuel at the main burner or burners and shall be adequately protected from drafts. Pilot flames shall not become extinguished during the pilot cycle where the main burner or burners are turned on or off in a normal manner either manually or by automatic controls.

  C 107.0 Burner Operation.

  C 107.1 General. In making tests to determine compliance with the requirements of this section, the following care shall be exercised to prevent the accumulation of unburned liquid fuel in the appliance that will result in an explosion or fire:

  (1) The flames from the burner shall ignite freely the liquid fuel where operating at the lowest firing position.

  (2) Burner flames shall not flash back where the liquid fuel is turned on or off by an automatic control mechanism.

  (3) Main burner flames shall ignite freely from the pilot where the pilot flame is reduced to a minimum point that will actuate the pilot safety device.

  (4) Where ignition is made in a normal manner, the flame will not flash outside the appliance.

  (5) Burners shall not expel liquid fuel through air openings where operating at prevailing pressure.

  (6) Burners shall have a liquid-fuel air mixture to ensure smooth ignition of the main burner.

  C 108.0 Method of Test.

  C 108.1 General Test Methods.

  (1) The flue gas, venting, safety and operating controls of the appliance shall be checked by the installer to ensure their proper and safe operation.

• CMC § 605.1.3 High relevance — show source text

  605.1.3 Fuel oil. The grade of fuel oil used in an oil burner shall be that for which the oil burner is approved and as stipulated by the oil burner manufacturer’s instructions. Oil containing gasoline shall not be used. Waste crankcase oil shall be an acceptable fuel in Group F, M and S occupancies where utilized in equipment listed and labeled for use with waste oil and where such equipment is installed in accordance with the manufacturer’s instructions and the terms of its listing.

  605.1.4 Access. The installation of fuel-fired equipment shall be provided with access to equipment for cleaning hot surfaces; removing burners; replacing motors, controls, air filters, chimney and vent connectors, draft regulators and other working parts; and for adjusting, cleaning and lubricating parts.

  605.1.5 Testing, diagrams and instructions. After installation of the fuel-fired equipment, operation and combustion performance tests shall be conducted to determine that the equipment is in proper operating condition and that all accessory equipment, controls, and safety devices function properly.

  6-6 2025 CALIFORNIA FIRE CODE

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  BUILDING SERVICES AND SYSTEMS

  605.1.5.1 Diagrams. Contractors installing industrial oil-burning systems shall furnish not less than two copies of diagrams showing the main oil lines and controlling valves, one copy of which shall be posted at the oil-burning equipment and another at an approved location that will be available in case of emergency.

  605.1.5.2 Operating instructions. After completing the installation, the installer shall instruct the owner or operator in the proper operation of the equipment. The installer shall furnish the owner or operator with the manufacturer’s operating instructions.

  605.1.6 Clearances. Working clearances between fuel-fired appliances and electrical panelboards and equipment shall be in accordance with the California Electrical Code . Clearances between oil-fired equipment and oil supply tanks shall be in accordance with the California Electrical Code .

  605.2 Abatement of unsafe conditions. The fire code official is authorized to order that measures be taken to prevent the operation of any existing stove, oven, furnace, incinerator, boiler or any other heat-producing device or appliance found to be defective or in violation of code requirements for existing appliances after giving notice to this effect to any person, owner, firm or agent or operator in charge of the same. The fire code official is authorized to take measures to prevent the operation of any device or appliance without notice when inspection shows the existence of an immediate fire hazard or when imperiling human life. The defective device shall remain withdrawn from service until all necessary repairs or alterations have been made or replaced in accordance with Section 605.1.

  605.2.1 Chimneys and appliances. Chimneys, vents, incinerators, smokestacks or similar devices for conveying smoke or hot gases to the outer air and the appliances such as stoves, furnaces, fireboxes or boilers to which such devices are connected, shall be maintained so as not to create a fire hazard.

• CMC § 602.3.5 High relevance — show source text

  Tubing shall comply with the requirements of Section 602.3.5 of the California Mechanical Code . 2. Tubing and the connected device shall be completely enclosed within a galvanized or paint-grade steel enclosure having a minimum thickness of 0.0296 inch (0.7534 mm) (No. 22 gage). Entry to the enclosure shall be by copper tubing with a protective grommet of neoprene or Teflon or by suitable brass compression to male-barbed adapter. 3. Tubing shall be identified by appropriately documented coding. 4. Tubing shall be neatly tied and supported within the enclosure. Tubing bridging cabinets and doors or moveable devices shall be of sufficient length to avoid tension and excessive stress. Tubing shall be protected against abrasion. Tubing connected to devices on doors shall be fastened along hinges.

  909.13.2 Isolation from other functions. Control tubing serving other than smoke control functions shall be isolated by automatic isolation valves or shall be an independent system.

  909.13.3 Testing. Control air tubing shall be tested at three times the operating pressure for not less than 30 minutes without any noticeable loss in gauge pressure prior to final connection to devices.

  909.14 Marking and identification. The detection and control systems shall be clearly marked at all junctions, accesses and terminations.

  909.15 Control diagrams. Identical control diagrams showing all devices in the system and identifying their location and function shall be maintained current and kept on file with the fire code official, the fire department and in the fire command center in a format and manner approved by the fire code official.

  909.16 Firefighter’s smoke control panel. A firefighter’s smoke control panel for fire department emergency response purposes only shall be provided and shall include manual control or override of automatic control for mechanical smoke control systems. The panel shall be located in a fire command center complying with Section 508 in high-rise buildings, Group I-2 occupancies having occu- pied floors located more than 75 feet above the lowest level of fire department vehicle access or buildings with smoke-protected assembly seating. In all other buildings, the firefighter’s smoke control panel shall be installed in an approved location adjacent to the fire alarm control panel. The firefighter’s smoke control panel shall comply with Sections 909.16.1 through 909.16.3.

  2025 CALIFORNIA FIRE CODE 9-61

  on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

  FIRE PROTECTION AND LIFE SAFETY SYSTEMS

  909.16.1 Smoke control systems. Fans within the building shall be shown on the firefighter’s control panel. A clear indication of the direction of airflow and the relationship of components shall be displayed. Status indicators shall be provided for all smoke control equipment, annunciated by fan and zone and by pilot-lamp-type indicators as follows:

  1. Fans, dampers and other operating equipment in their normal status—WHITE.
  2. Fans, dampers and other operating equipment in their off or closed status—RED.
  3. Fans, dampers and other operating equipment in their on or open status—GREEN.
  4. Fans, dampers and other operating equipment in a fault status—YELLOW/AMBER.

  909.16.2 Smoke control panel. The firefighter’s control panel shall provide control capability over the complete smoke control system equipment within the building as follows:

  1. ON-AUTO-OFF control over each individual piece of operating smoke control equipment that can be controlled from other sources within the building.
• CMC § 909.12.4 High relevance — show source text

  909.12.4 Automatic control. Where completely automatic control is required or used, the automatic-control sequences shall be initiated from an appropriately zoned automatic sprinkler system complying with Section 903.3.1.1, manual controls provided with ready access for the fire department and any smoke detectors required by the engineering analysis.

  909.13 Control air tubing. Control air tubing shall be of sufficient size to meet the required response times. Tubing shall be flushed clean and dry prior to final connections and shall be adequately supported and protected from damage. Tubing passing through concrete or masonry shall be sleeved and protected from abrasion and electrolytic action.

  909.13.1 Materials. Control air tubing shall be hard drawn copper, Type L, ACR in accordance with ASTM B42, ASTM B43, ASTM B68/B68M, ASTM B88, ASTM B251 and ASTM B280. Fittings shall be wrought copper or brass, solder type, in accordance with ASME B16.18 or ASME B16.22. Changes in direction shall be made with appropriate tool bends. Brass compression-type fittings shall be used at final connection to devices; other joints shall be brazed using a BCuP5 brazing alloy with solidus above 1,100°F (593°C) and liquidus below 1,500°F (816°C). Brazing flux shall be used on copper-to-brass joints only.

  Exception: Nonmetallic tubing used within control panels and at the final connection to devices, provided that all of the following conditions are met:

  1. Tubing shall comply with the requirements of Section 602.3.5 of the California Mechanical Code .
  2. Tubing and the connected device shall be completely enclosed within a galvanized or paint-grade steel enclosure having a minimum thickness of 0.0296 inch (0.7534 mm) (No. 22 gage). Entry to the enclosure shall be by copper tubing with a protective grommet of neoprene or Teflon or by suitable brass compression to male-barbed adapter.
  3. Tubing shall be identified by appropriately documented coding.
  4. Tubing shall be neatly tied and supported within the enclosure. Tubing bridging cabinets and doors or moveable devices shall be of sufficient length to avoid tension and excessive stress. Tubing shall be protected against abrasion. Tubing connected to devices on doors shall be fastened along hinges.

  909.13.2 Isolation from other functions. Control tubing serving other than smoke control functions shall be isolated by automatic isolation valves or shall be an independent system.

  909.13.3 Testing. Control air tubing shall be tested at three times the operating pressure for not less than 30 minutes without any noticeable loss in gauge pressure prior to final connection to devices.

  909.14 Marking and identification. The detection and control systems shall be clearly marked at all junctions, accesses and terminations.

  909.15 Control diagrams. Identical control diagrams showing all devices in the system and identifying their location and function shall be maintained current and kept on file with the fire code official, the fire department and in the fire command center in a format and manner approved by the fire code official.