64
11-1 ELECTRODES
11 - GENERAL MAINTENANCE AND CLEANING
DANGER
Before servicing, turn off electrical power to boiler at
service switch. Close manual gas valve to turn gas
supply OFF to boiler. Failure to comply will result in
death or serious injury.
!
11.4 Draining the Boiler
•
turn boiler off
• isolate electrical supply
• close boiler gas service valve
• allow boiler to cool
• drain boiler through onboard drain if available or
external drain valve.
11.5 Draining the Heating Circuit
• Follow all steps in 11.4.
• Close central heating supply and return valves.
• Connect suitable pipe to drain point.
• Route it to suitable container.
• Open drain tap.
in
in
in
240013501 REV A [03/15/2022]
Summary of Contents for Dunkirk DCB-100
Page 2: ...DCC 205...
Page 4: ...DCB 165...
Page 79: ...75 A 2 MODEL 75 100 Heat Only APPENDIX A WIRING DIAGRAMS 240013501 REV A 03 15 2022...
Page 80: ...76 APPENDIX A WIRING DIAGRAMS A 2 MODEL 125 Heat Only 240013501 REV A 03 15 2022...
Page 81: ...77 APPENDIX A WIRING DIAGRAMS A 3 MODEL 165 Heat Only 240013501 REV A 03 15 2022...
Page 82: ...78 APPENDIX A WIRING DIAGRAMS A 1 MODEL 115 Combi 240013501 REV A 03 15 2022...
Page 83: ...79 APPENDIX A WIRING DIAGRAMS A 4 MODEL 150 Combi 240013501 REV A 03 15 2022...
Page 84: ...80 APPENDIX A WIRING DIAGRAMS A 5 MODEL 205 Combi 240013501 REV A 03 15 2022...
Page 85: ...81 NOTES 240013501 REV A 03 15 2022...
Page 86: ...82 NOTES 240013501 REV A 03 15 2022...
Page 121: ...33 PN 240011430 REV Q 03 15 2022 75 100 HEAT ONLY WIRING DIAGRAM MODEL 75 100 HEAT ONLY...
Page 122: ...34 PN 240011430 REV Q 03 15 2022 MODEL 125 HEAT ONLY 125 HEAT ONLY WIRING DIAGRAM...
Page 123: ...35 PN 240011430 REV Q 03 15 2022 MODEL 165 HEAT ONLY 165 HEAT ONLY WIRING DIAGRAM...
Page 124: ...36 PN 240011430 REV Q 03 15 2022 115 COMBI WIRING DIAGRAM MODEL 115 COMBI...
Page 125: ...37 PN 240011430 REV Q 03 15 2022 MODEL 150 COMBI 150 COMBI WIRING DIAGRAM...
Page 126: ...38 PN 240011430 REV Q 03 15 2022 MODEL 205 COMBI 205 COMBI WIRING DIAGRAM...
Page 132: ...44 PN 240011430 REV Q 03 15 2022 LOW WATER CUTOFF DETAIL LOW WATER CUTOFF NO NO YES...
Page 137: ...49 PN 240011430 REV Q 03 15 2022 3 FAULT SOLUTION SECTIONS...
