DR 99468 CP

1 - DR 99468 CP DRAFT AGA STANDARD
2 - INTRODUCTION
3 - RECOMMENDED CHANGES FORM
5 - TITLE PAGE
6 - PREFACE
7 - CONTENTS
11 - GLOSSARY OF TERMS
23 - SECTION 1 : SCOPE
24 - SECTION 2 : DESIGN AND CONSTRUCTION
24 - 2.1 GENERAL
26 - 2.2 MATERIALS AND STANDARDS
28 - 2.3 ELECTRICAL SYSTEMS
28 - 2.4 INSTALLATION REQUIREMENTS
28 - 2.5 MAINTENANCE REQUIREMENTS
30 - 2.6 PRESSURE REGULATORS
30 - 2.7 GAS CONTROLS AND SAFETY SHUT-OFF SYSTEMS
31 - 2.8 COMBUSTION AIR SUPPLY AND CONTROLS
31 - 2.9 IGNITION, PILOTS AND MAIN BURNERS
32 - 2.10 FLUEING REQUIREMENTS
33 - 2.11 MARKINGS
36 - 2.12 INSTRUCTIONS
38 - SECTION 3 : PRELIMINARY TESTS – LINE GASES
38 - 3.1 GENERAL REQUIREMENTS
39 - 3.2 PREPARATION FOR TESTING
40 - 3.3 PRIMARY GUARDS
40 - 3.4 GAS LEAKAGE
40 - 3.5 GAS CONSUMPTION
40 - 3.6 GAS PRESSURE REGULATORS
40 - 3.7 IGNITION AND SAFETY SHUT- OFF SYSTEMS
44 - SECTION 4 : LIMIT GAS TESTS
52 - SECTION 5 : PERFORMANCE TESTS
52 - 5.1 FLUE OPERATION
52 - 5.2 FLUE GAS TEMPERATURES
52 - 5.3 NOISE OF OPERATION
52 - 5.4 CONDENSATION
52 - 5.5 COMBUSTION AIR SUPPLY
53 - 5.6 SAFETY SHUT- DOWN
53 - 5.7 TEMPERATURE HAZARDS
55 - 5.8 HEAT RESISTANCE
55 - 5.9 VITIATION AND EMISSIONS TESTS
56 - 5.10 LINTING TESTS
56 - 5.11 STRENGTH AND STABILITY
56 - 5.12 ROOM SEALED APPLIANCES
57 - 5.13 RAIN TEST
57 - 5.14 SPECIFICATIONS
58 - SECTION 6 : METHODS OF TEST
58 - M.O.T. 2.7.4 & 2. 11 – 99 MARKINGS AND LABELS
60 - M.O.T. 3.4.1 – 99 GAS LEAKAGE
61 - M.O.T. 3.5.1/ 2 – 99 GAS CONSUMPTION
63 - M.O.T. 3.6.1 – 99 GAS PRESSURE REGULATOR PERFORMANCE
65 - M.O.T. 3.7.1/ 3 – 99 IGNITION - AERATED PILOTS
67 - M.O.T. 3.7.2/ 3 – 99 IGNITION OF A BURNER PROTECTED BY A FLAME SAFEGUARD SYSTEM
69 - M.O.T. 3.7.4 – 99 IGNITION - OPENING OF FLAME SAFEGUARD SYSTEM
70 - M.O.T. 3.7.13 – 99 OPERATION OF SAFETY SHUT-OFF SYSTEM
72 - M.O.T. 3.7.15 (c)/ 3.7.18 (c) – 99 START FLAME ESTABLISHMENT PERIOD DELAYED IGNITION TESTS
74 - M.O.T. 4.1.2 – 99 DETERMINATION OF CO/ CO2 RATIO OF COMBUSTION PRODUCTS - REDUCED GAS INLET PRESSURE
76 - M.O.T. 4.1.3 – 99 DETERMINATION OF CO/ CO2 RATIO OF COMBUSTION PRODUCTS - OVERLOAD CONDITION
78 - M.O.T. 4.1.4 – 99 DETERMINATION OF CO/ CO2 RATIO OF COMBUSTION PRODUCTS - PERMANENT PILOTS
80 - M.O.T. 4.1.5 – 99 FLAME ABNORMALITY
82 - M.O.T. 4.1.6 – 99 IGNITION TESTS
84 - M.O.T. 4.1.7 – 99 DELAYED IGNITION TEST
86 - M.O.T. 4.1.8 – 99 FLAME STABILITY TO DRAUGHT
88 - M.O.T. 4.1.11 – 99 PILOT FLAMES – IGNITION AND STABILITY
91 - M.O.T. 4.1.12 – 99 EFFECT OF APPLIANCE DOOR OPERATION ON BURNER STABILITY
92 - M.O.T. 4.1.13 – 99 BURNER OPERATION - UNBURNT GAS SPILLAGE FROM BURNER SYSTEM
94 - M.O.T. 4.1.15 – 99 CASE PRESSURE TEST
96 - M.O.T. 4.1.16 – 99 SOOTING TEST - LUMINOUS EFFECT BURNERS
98 - M.O.T. 5.1.1 – 99 FLUE OPERATION - SPILLAGE TEST
101 - M.O.T. 5.1.2 – 99 DETERMINATION OF CO/ CO2 RATIO OF COMBUSTION PRODUCTS UNDER CONDITIONS OF FLUE BLOCKAGE, DOWNDRAUGHT OR UPDRAUGHT
103 - M.O.T. 5.2.1 – 99 FLUE GAS TEMPERATURE TEST
104 - M.O.T. 5.5.1/ 2/3 – 99 FLAME ABNORMALITY ON PROGRESSIVE AIR SUPPLY RESTRICTION
105 - M.O.T. 5.6.1/ 2 AND 2. 3.1 – 99 SAFE PERFORMANCE WITH ELECTRICITY SUPPLY VARIATION
107 - M.O.T. 5.7 – 99 TEMPERATURE HAZARDS
111 - M.O.T. 5.7.10 – 99 TEMPERATURE HAZARDS - ELECTRIC MOTORS
114 - M.O.T. 5.8.1 – 99 HEAT RESISTANCE
116 - M.O.T. 5.8.2 – 99 HEAT RESISTANCE - LIGHT BACK CONDITION
117 - M.O.T. 5.9.1 – 99 SAFETY SYSTEM TEST
120 - M.O.T. 5.9.2 – 99 DETERMINATION OF CO/ CO2 RATIO OF COMBUSTION PRODUCTS UNDER CONDITIONS OF NORMAL OPERATION
122 - M.O.T. 5.10.1/2 – 99 LINTING TEST
125 - M.O.T. 5.11.1 – 99 FLOOR LOADING TEST
126 - M.O.T. 5.11.2 – 99 STRENGTH - LOADING TEST
128 - M.O.T. 5.12 – 99 ROOM SEALED APPLIANCES
130 - M.O.T. 5.13.1 – 99 RAIN RESISTANCE OF FLUE TERMINALS OF ROOM SEALED APPLIANCES
132 - FIGURES
132 - FIGURE 1 STANDARD TOOL KIT TO BE USED IN THE EVALUATION OF SERVICEABILITY
133 - FIGURE 2 DEW PLATE
134 - FIGURE 3 GAS APPLIANCE WARNING LABEL
135 - FIGURE 4 BUBBLE LEAK DETECTOR
136 - FIGURE 5 TABLES FOR VALUES OF FACTOR A AND B
137 - FIGURE 6 FLUE GAS SAMPLING HOOD – RECTANGULAR
138 - FIGURE 7 FLUE GAS SAMPLING HOOD – CIRCULAR
139 - FIGURE 8 FLUE GAS SAMPLING HOOD PROBE
140 - FIGURE 9 SPILLAGE TEST RIG
141 - FIGURE 10 CONNECTION DIAGRAM FOR TEMPERATURES OF ELECTRIC MOTOR WINDINGS
142 - FIGURE 11 RAIN TEST SPRAY HEAD PIPE RACK
143 - FIGURE 12 DETAIL OF RAIN TEST SPRAY HEAD ASSEMBLY
144 - APPENDICES
144 - APPENDIX A GUIDELINES FOR SERVICING INSTRUCTIONS
145 - APPENDIX B FAULT FINDING CHART
146 - APPENDIX C MAINTENANCE SCHEDULE
147 - APPENDIX D MINIMUM INSTALLATION SPECIFICATIONS AND INSTALLATION REQUIREMENTS FOR DOMESTIC GAS APPLIANCES
149 - APPENDIX E WRITTEN APPLIANCE SPECIFICATIONS
152 - APPENDIX F METER VOLUME CORRECTION FACTORS
154 - APPENDIX G FLUE GAS SAMPLING AND TEMPERATURE MEASUREMENT
155 - FIGURE G1 TEST POINTS FOR CIRCULAR FLUES
156 - FIGURE G2 TEST POINTS FOR RECTANGULAR FLUES
157 - FIGURE G3 POSITIONS OF FLUE GAS SAMPLING PROBE FOR SPIGOTS -VERTICAL
158 - FIGURE G4 POSITIONS OF FLUE GAS SAMPLING PROBE FOR SPIGOTS -HORIZONTAL
159 - FIGURE G5 BALANCED FLUE APPLIANCES
160 - APPENDIX H FLUE SAMPLING METHOD FOR SMALL FLUES
161 - FIGURE H1 DETAILS OF SAMPLING PROBES FOR CIRCULAR AND RECTANGULAR FLUES LESS THAN 50 mm DIAMETER OR SQUARE
162 - FIGURE H2 SAMPLING PROBE POSITIONS – CIRCULAR FLUES LESS THAN 50 mm DIAMETER
163 - FIGURE H3 SAMPLING PROBE POSITIONS – RECTANGULAR FLUES LESS THAN 2500 mm2 CROSS SECTIONAL AREA