This Code applies to the facilities, technology and inspection for manufacturing of medium-sized gas combination boilers (hereinafter referred to as “boilers”) in conformity to the following (1) and (2) among the combustion equipment conforming to the Enforcement Regulation of the Safety Control and Business Regulation of Liquefied Petroleum Gas Act (hereinafter referred to as “Enforcement Regulation”), Table 3, No. 10 and Table 7, No.4-j: <Revised on November 4, 2015>
(1) Boilers of which total gas input rating is over 70 kW(60,000 kcal/h) to 232.6 kW(200,000 kcal/h) inclusive on the basis of gross heating value (gross heating value based on 0℃ and 1 atm; hereinafter the same shall apply unless otherwise specified)<Revised on April 5, 2012>, and
(2) Boilers of which gas working pressure is not over 3.3kPa.
Table of Contents
1. General
1.1 Scope
1.2 Validity of Code
1.3 Reference Codes and Standards
1.3.1 Inspection standard for new technology products
1.3.2 Standard for manufacturing registration of foreign products
1.4 Definitions
1.5 Application of Codes and Standards
1.6 Interim Measures
2. Production Facility Standard
2.1 Production Facilities
2.2 Inspection Facilities
3. Manufacturing Technology Standard
3.1 Materials
3.2 Construction and Dimensions
3.3 Devices
3.3.1 Power failure safety device
3.3.2 Head wind prevention device
3.3.3 Flame supervision device
3.3.5 Air register
3.3.6 Air monitoring device
3.3.8 Automatic burner control system
3.3.9 Other devices
3.4 Performance
3.4.1 Product performance
3.4.2 Material performance
3.4.3 Operating performance 1
3.5 Heat Treatment (currently not used)
3.6 Marking
3.6.1 Product marking
3.6.2 Acceptance mark
3.6.3 Enclosure of manual
3.6.4 Marking of gas safety instructions
3.6.5 Attachment of piping marks and installation signboards
4. Inspection Standard
4.1 Kinds of Inspections
4.1.1 Manufacturing facility inspection
4.1.2 Product inspection
4.2 Object Audit of Process Inspection
4.2.1 Application for audit
4.2.2 Audit method
4.2.3 Adjudication committee
4.3 Inspection Items
4.3.1 Manufacturing facility inspection
4.3.2 Product inspection
4.4 Inspection Method
4.4.1 Manufacturing facility inspection
4.4.2 Product inspection
4.5 Other Inspection Standards
4.5.1 Inspection of imported products
4.5.2 Partial omission of inspection
4.5.3 Disposal of rejected products (not applicable)
4.5.4 Detailed inspection standards
Appendix A General Standard for Operation of Quality Control System for Gas Appliance Manufacturing Plants
Appendix B General Conditions for Test of Gas Boilers
Appendix C Test Method of Gas Input Rating
Appendix D Measuring Method of CO/NOx Discharged from Combustors
Appendix E Method of Combustion State Test by Vent Types (Refer to Appendix B) in Windy Conditions
Appendix F Method of Efficiency Test
