64
11.11 Safety Flue Thermostat -
DO NOT disable this
safety device.
Safety Flue Thermostat found on the flue inside the
boiler, interrupts flow of gas to the burner if the
temperature overheats.
After verifying the cause of the trip, press
for about
2 seconds.
11.12 Flue Pressure Switch (125-150 Only)
DO NOT
disable this safety device.
This device, positioned inside the sealed chamber, interrupts flow of
gas to the burner if flue pressure exceeds 1.6 in w.c. (4 mbar).
Verify if vent is blocked before resetting the boiler.
11.10 User Information
Advise and demonstrated to User the following
important information:
A.
How to light and turn off boiler. How to operate
system controls.
B. Importance of annual servicing of boiler to
ensure safe and efficient operation.
C. Servicing or replacement of parts shall be carried
out by a qualified personnel.
D. Ensure boiler controls and room thermostat, if
fitted, are set to User's requirements.
E. Explain to User an internal frost thermostat is
fitted in boiler, and electrical supply to boiler
must be left on for thermostat to operate.
F. Show User position of pressure relief valve
discharge pipe.
G. Leave this Installation, Operation and
Maintenance Manual with User.
11 - GENERAL MAINTENANCE AND CLEANING
11.13 Replacement Parts
Perform Automatic Calibration procedure described in
section 9.8 if one or more of the following components
are replaced. Check and adjust CO2% value as indicated
in the Combustion Table.
Components replaced:
• Primary heat exchanger
• Fan
• Gas valve
•
Gas orifice
• Burner
• Flame sensing electrode
• Spark electrode
NOTICE
When servicing the appliance, check the condition
and position of flame sensing electrode and
replace it if necessary.
240013509 REV A, [03/15/2022]
Summary of Contents for Dunkirk DCBF
Page 2: ...DCCF 150...
Page 4: ...DCBF 125...
Page 38: ...34 FIGURE 6 2 Piping Diagram LWCO Location 6 HYDRONIC PIPING 240013509 REV A 03 15 2022...
Page 77: ...73 A 1 MODEL 75 100 Heat Only APPENDIX A WIRING DIAGRAMS 240013509 REV A 03 15 2022...
Page 78: ...74 A 2 MODEL 125 Heat Only APPENDIX A WIRING DIAGRAMS 240013509 REV A 03 15 2022...
Page 79: ...75 APPENDIX A WIRING DIAGRAMS A 3 MODEL 165 Heat Only 240013509 REV A 03 15 2022...
Page 80: ...76 APPENDIX A WIRING DIAGRAMS A 4 MODEL 115 Combi 240013509 REV A 03 15 2022...
Page 81: ...77 A 5 MODEL 150 Combi APPENDIX A WIRING DIAGRAMS 240013509 REV A 03 15 2022...
Page 82: ...78 A 6 MODEL 205 Combi APPENDIX A WIRING DIAGRAMS 240013509 REV A 03 15 2022...
Page 117: ...33 PN 240012875 REV D 03 15 2022 MODEL 75 100 HEAT ONLY 75 100 HEAT ONLY WIRING DIAGRAM...
Page 118: ...34 PN 240012875 REV D 03 15 2022 MODEL 125 HEAT ONLY 125 HEAT ONLY WIRING DIAGRAM...
Page 119: ...35 PN 240012875 REV D 03 15 2022 MODEL 165 HEAT ONLY 165 HEAT ONLY WIRING DIAGRAM...
Page 120: ...36 PN 240012875 REV D 03 15 2022 115 COMBI WIRING DIAGRAM MODEL 115 COMBI...
Page 121: ...37 PN 240012875 REV D 03 15 2022 MODEL 150 COMBI 150 COMBI WIRING DIAGRAM...
Page 122: ...38 PN 240012875 REV D 03 15 2022 MODEL 205 COMBI 205 COMBI WIRING DIAGRAM...
Page 128: ...44 PN 240012875 REV D 03 15 2022 LOW WATER CUTOFF LOW WATER CUTOFF DETAIL NO NO YES...
Page 133: ...49 PN 240012875 REV D 03 15 2022 3 FAULT SOLUTION SECTIONS...
