1.1.1 This Code applies to the facilities, technology and inspection for manufacturing of LP gas or city gas cooling and heating appliances coming under the following (1) to (3) (cooling appliances or cooling and heating appliances which supply cold water or hot water separately or simultaneously from one unit by applying adsorption refrigeration principle; hereinafter referred to as “cooling and heating appliances”) among the combustion facilities in conformity to the Enforcement Regulation of the Safety Control and Business of Liquefied Petroleum Gas Act (hereinafter referred to as “Enforcement Regulation”), Table 3, No. 10 and Table 7, No.4, i <Revised on November 4, 2015>:
(1) The total heat input is not over 232.6 kW (200,000 kcal/h).
(2) The working gas pressure is not over 3.3 kPa.
(3) The operating pressure in the cooling and heating appliance is higher than atmospheric pressure.
1.1.2 Combustion facilities excluded from gas appliances to be licensed in accordance with the Enforcement Regulation, Table 7, No. 5, b are as follows:
(1) Gas torches for welding and cutting,
(2) Drying furnace combustors used in casting sand driers, printing ink driers and concrete driers,
(3) Combustors for heat treatment furnaces or heating furnaces such as metal heat treatment furnaces, glass and ceramic furnaces, controlled atmosphere gas producer furnaces,
(4) Combustors for melting furnaces such as metal melting furnaces, glass melting furnaces, etc.,
(5) Combustors attached to and used with gas cylinders of which internal volume is less than 100 mL, and
(6) Other combustors recognized by the Minister of Trade, Industry and Energy that they do not hinder safety control. <Revised on September 29, 2017>
1. General 1
1.1 Scope 1
1.2 Validity of Code 1
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 2
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2
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3
2. Manufacturing Installation Standard 4
2.1 Manufacturing Facilities 4
2.2 Inspection Facilities 4
3. Manufacturing Technology Standard 6
3.1 Materials 6
3.2 Construction and Dimensions 11
3.2.1 Body of heating and cooling appliance 11
3.2.2 Combustion facility 11
3.2.3 Electrical facilities 12
3.2.4 Piping facilities
3.3 Devices 12
12
3.3.1 Power failure safety device
3.3.2 Head wind prevention device
3.3.3 Flame supervision device
3.3.4 Other devices 12
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13
3.4 Performance 13
3.4.1 Product performance 13
3.4.2 Material performance (currently not used) 15
3.4.3 Operating performance 15
3.5 Heat Treatment (currently not used) 16
3.6 Marking 16
3.6.1 Product marking 16
3.6.2 Acceptance mark 17
3.6.3 Enclosure of manual 17
4. Inspection Standard
4.1 Kinds of Inspection
4.1.1 Manufacturing installation inspection
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18
4.1.2 Product inspection 18
4.2 Object Audit of Process Inspection 20
4.2.1 Application for audit 20
4.2.2 Audit method 20
4.2.3 Adjudication committee 21
4.3 Inspection Items 22
4.3.1 Manufacturing installation inspection 22
4.3.2 Product inspection 22
4.4 Inspection Method 25
4.4.1 Manufacturing installation inspection 25
4.4.2 Product inspection 25
4.5 Other Inspection Standards 28
4.5.1 Inspection of imported products 28
4.5.2 Partial omission of inspection 28
4.5.3 Disposal of rejected products (not applicable) 29
4.5.4 Detailed inspection standards 29
Appendix A General Standard for Operation of Quality Control System for Gas Appliance Manufacturing Plants 30
