{"id":262140,"date":"2024-10-19T17:22:36","date_gmt":"2024-10-19T17:22:36","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-7977-12002\/"},"modified":"2024-10-25T13:12:03","modified_gmt":"2024-10-25T13:12:03","slug":"bs-7977-12002","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-7977-12002\/","title":{"rendered":"BS 7977-1:2002"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
1<\/td>\n | BRITISH STANDARD <\/td>\n<\/tr>\n | ||||||
2<\/td>\n | Committees responsible for this British Standard <\/td>\n<\/tr>\n | ||||||
3<\/td>\n | Contents <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | 1 Scope 2 Normative references <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 3 Definitions 3.1 Domestic gas-fired radiant\/convector heating appliances 3.1.1 radiant\/convector 3.1.2 live fuel effect fire (LFE) 3.1.3 inset live fuel effect fire (ILFE) 3.1.4 decorative fuel effect appliance 3.1.5 working surfaces 3.1.6 simulated fuel elements <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 3.2 Gases 3.2.1 reference conditions 3.2.2 calorific value 3.3.3 relative density 3.3.4 net Wobbe index 3.3.5 test pressure 3.3.6 normal pressure <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 3.3.7 limit pressures 3.3 Appliance construction 3.3.1 The gas circuit <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 3.3.2 The burner 3.3.3 The combustion products circuit <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 3.3.4 Auxiliary equipment <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 3.4 Immobilizing an adjuster or a control 3.4.1 sealing an adjuster 3.4.2 setting an adjuster 3.4.3 putting an adjuster or a control out of service 3.5 Appliance performance 3.5.1 Gas rates 3.5.2 Gas combustion <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 3.5.3 thermal equilibrium 3.5.4 hot condition 4 Classification of appliances 4.1 Classification according to the nature of the gases used (categories) Table 1 – Classification of gases <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 4.2 Conversion to different gases 5 Constructional requirements 5.1 Materials and method of construction <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | 5.2 Adjusters, controls and safety devices <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | 5.3 Design requirements for wall-mounted appliances and floor-mounted appliances not requiring a … 6 Performance and test methods 6.1 General <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | Table 2 – Characteristics of the test gases (Gas dry at 15 \u00b0C and 1\ufffd013.25\ufffdmbar) <\/td>\n<\/tr>\n | ||||||
22<\/td>\n | Table 3 – Calorific values of the test gases of the third family (in megajoules per kilogram) <\/td>\n<\/tr>\n | ||||||
23<\/td>\n | Table 4 – Test pressures <\/td>\n<\/tr>\n | ||||||
24<\/td>\n | 6.2 Soundness of the gas circuit <\/td>\n<\/tr>\n | ||||||
25<\/td>\n | 6.3 Heat input <\/td>\n<\/tr>\n | ||||||
27<\/td>\n | 6.4 Safety of operation <\/td>\n<\/tr>\n | ||||||
29<\/td>\n | Table 5 <\/td>\n<\/tr>\n | ||||||
38<\/td>\n | 6.5 Combustion <\/td>\n<\/tr>\n | ||||||
40<\/td>\n | Table 6 <\/td>\n<\/tr>\n | ||||||
41<\/td>\n | 6.6 Spillage monitoring system <\/td>\n<\/tr>\n | ||||||
42<\/td>\n | Table 7 – Shutdown times <\/td>\n<\/tr>\n | ||||||
43<\/td>\n | 6.7 Cyclic use <\/td>\n<\/tr>\n | ||||||
44<\/td>\n | 6.8 Efficiency <\/td>\n<\/tr>\n | ||||||
45<\/td>\n | 7 Marking and instructions 7.1 Marking on the appliance <\/td>\n<\/tr>\n | ||||||
46<\/td>\n | 7.2 Marking of the packaging 7.3 Utilization of symbols on the appliance and packaging Table 8 – Gas categories <\/td>\n<\/tr>\n | ||||||
47<\/td>\n | 7.4 Instructions <\/td>\n<\/tr>\n | ||||||
48<\/td>\n | 8 Particular requirements for inset live fuel effect gas appliances 8.1 Constructional requirements 8.2 Performance and test methods <\/td>\n<\/tr>\n | ||||||
55<\/td>\n | 8.3 Marking and instructions <\/td>\n<\/tr>\n | ||||||
57<\/td>\n | Figure 1 – Illustrations of fuel effect appliances <\/td>\n<\/tr>\n | ||||||
59<\/td>\n | Figure 2 – Standard test box <\/td>\n<\/tr>\n | ||||||
60<\/td>\n | Figure 3 – Apparatus for the assessment of the products outlet design <\/td>\n<\/tr>\n | ||||||
61<\/td>\n | Figure 4 – Test box and flue for appliances that can be installed in a metal flue box and\/or a pre-cast flue <\/td>\n<\/tr>\n | ||||||
62<\/td>\n | Figure 5 – Collecting hood <\/td>\n<\/tr>\n | ||||||
64<\/td>\n | Figure 6 – Apparatus for measuring floor and wall temperatures <\/td>\n<\/tr>\n | ||||||
65<\/td>\n | Figure 7 – Hearth area for measurement of floor temperatures <\/td>\n<\/tr>\n | ||||||
66<\/td>\n | Figure 8 – Probe for dress guard test <\/td>\n<\/tr>\n | ||||||
67<\/td>\n | Figure 9 – Sampling probe for the products of combustion and their temperature measurements <\/td>\n<\/tr>\n | ||||||
68<\/td>\n | Figure 10 – Sealed room <\/td>\n<\/tr>\n | ||||||
69<\/td>\n | Figure 11 – Combustion products safety device \u2014 Test apparatus <\/td>\n<\/tr>\n | ||||||
70<\/td>\n | Figure 12 – Efficiency test rig <\/td>\n<\/tr>\n | ||||||
71<\/td>\n | Figure 13 – Mean specific heat of dry products of combustion <\/td>\n<\/tr>\n | ||||||
72<\/td>\n | Figure 14 – Basic test box for fuel effect gas appliances <\/td>\n<\/tr>\n | ||||||
73<\/td>\n | Figure 15 – Removable inserts for fuel effect gas appliances <\/td>\n<\/tr>\n | ||||||
75<\/td>\n | Figure 16 – Test box assembly for fuel effect gas appliances <\/td>\n<\/tr>\n | ||||||
76<\/td>\n | Figure 17 – Flue for fuel effect appliances <\/td>\n<\/tr>\n | ||||||
77<\/td>\n | Figure 18 – Sampling probe <\/td>\n<\/tr>\n | ||||||
78<\/td>\n | Figure 19 – Collecting hood positioning <\/td>\n<\/tr>\n | ||||||
79<\/td>\n | Annex A (normative) Equivalence rules <\/td>\n<\/tr>\n | ||||||
80<\/td>\n | Annex B (informative) Calculation of conversions of Table B.1 – Conversion of the emission value of Table B.2 – Conversion of the emission value of Table B.3 – Conversion of the emission value of NOx for third family gases <\/td>\n<\/tr>\n | ||||||
81<\/td>\n | Annex C (informative) A guide to the clauses of this British Standard addressing the essential requiremen… Table C.1 Clauses of this British Standard addressing the essential requirements of the GAD <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Specification for safety and rational use of energy of domestic gas appliances – Radiant\/convectors<\/b><\/p>\n |