41
7.3 Leak Check Gas Piping
Pressure test boiler and gas connection before placing
boiler in operation.
• Pressure test over 1/2 psig (3.5 kPa). Disconnect
boiler and its individual gas shutoff valve from
gas supply system.
• Pressure test at 1/2 psig (3.5 kPa) or less.
Isolate boiler from gas supply system by closing
manual gas shutoff valve.
• Locate leakage using gas detector, noncorrosive
detection fluid, or other leak detection method
acceptable to authority having jurisdiction. Do
not use matches, candles, open flames, or other
methods that can provide ignition source.
• Correct leaks immediately and retest.
7.4 Gas Orifice
- See Figure 7-2
• Models 75, 100, 115 = 4.6 mm ( Natural & LP)
• Models 125, 150 = 5.8 mm ( Natural & LP)
• Models 165, 205 = 9.0 mm ( Natural & LP)
Figure 7-1 - Gas Piping
FIGURE 7-2 Gas Orifice Location
Gas Valve
7 - GAS SUPPLY PIPING
NOTICE
Sediment trap shall be located upstream of gas
controls.
Gas Orifice (Stamped
Side Down - Toward gas
valve)
240013509 REV A, [03/15/2022]
Содержание Dunkirk DCBF
Страница 2: ...DCCF 150...
Страница 4: ...DCBF 125...
Страница 38: ...34 FIGURE 6 2 Piping Diagram LWCO Location 6 HYDRONIC PIPING 240013509 REV A 03 15 2022...
Страница 77: ...73 A 1 MODEL 75 100 Heat Only APPENDIX A WIRING DIAGRAMS 240013509 REV A 03 15 2022...
Страница 78: ...74 A 2 MODEL 125 Heat Only APPENDIX A WIRING DIAGRAMS 240013509 REV A 03 15 2022...
Страница 79: ...75 APPENDIX A WIRING DIAGRAMS A 3 MODEL 165 Heat Only 240013509 REV A 03 15 2022...
Страница 80: ...76 APPENDIX A WIRING DIAGRAMS A 4 MODEL 115 Combi 240013509 REV A 03 15 2022...
Страница 81: ...77 A 5 MODEL 150 Combi APPENDIX A WIRING DIAGRAMS 240013509 REV A 03 15 2022...
Страница 82: ...78 A 6 MODEL 205 Combi APPENDIX A WIRING DIAGRAMS 240013509 REV A 03 15 2022...
Страница 116: ...32 PN 240012875 REV D 03 15 2022 CIRCULATOR CONNECTIONS WIRING DIAGRAM SINGLE ZONE CIRCULATOR WIRING USING ARGO AR822 II...
Страница 117: ...33 PN 240012875 REV D 03 15 2022 MODEL 75 100 HEAT ONLY 75 100 HEAT ONLY WIRING DIAGRAM...
Страница 118: ...34 PN 240012875 REV D 03 15 2022 MODEL 125 HEAT ONLY 125 HEAT ONLY WIRING DIAGRAM...
Страница 119: ...35 PN 240012875 REV D 03 15 2022 MODEL 165 HEAT ONLY 165 HEAT ONLY WIRING DIAGRAM...
Страница 120: ...36 PN 240012875 REV D 03 15 2022 115 COMBI WIRING DIAGRAM MODEL 115 COMBI...
Страница 121: ...37 PN 240012875 REV D 03 15 2022 MODEL 150 COMBI 150 COMBI WIRING DIAGRAM...
Страница 122: ...38 PN 240012875 REV D 03 15 2022 MODEL 205 COMBI 205 COMBI WIRING DIAGRAM...
Страница 128: ...44 PN 240012875 REV D 03 15 2022 LOW WATER CUTOFF LOW WATER CUTOFF DETAIL NO NO YES...
Страница 133: ...49 PN 240012875 REV D 03 15 2022 3 FAULT SOLUTION SECTIONS...