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Dunkirk DCB-100 - User Manual

Dunkirk DCB-100
139 pages
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Manufactured by:
ECR International Inc.
2201 Dwyer Avenue, Utica, NY 13501
Tel. 800 325 5479
www.ecrinternational.com
DCB-100
DCC-115
DCB-125
DCC-150
DCB-165
DCC-205
CONDENSING
WALL MOUNTED
GAS FIRED BOILER

Table of Contents

Questions and Answers

  • A
    Ashley BryantAug 21, 2025
    What to do if my Dunkirk Boiler has ignition failure?
    • N
      Nicholas WolfAug 21, 2025
      If your Dunkirk Boiler experiences ignition failure, begin by inspecting the condensate trap for proper operation. Then, check the sensing electrode, spark electrode, and cable. Ensure there is no flue recirculation and verify electrical continuity between the burner and the ground. Examine the gas orifice and gas pressure. If necessary, perform automatic and manual calibration functions.
  • B
    brittanypriceSep 3, 2025
    How to fix OT Communication Failure in Dunkirk DCB-100 Boiler?
    • K
      karenortizSep 3, 2025
      If your Dunkirk Boiler displays an OT Communication Failure, check the OT connection. Remove power, reconnect the OT connections, and if the problem persists, replace the service key.
  • M
    Michael LeonSep 1, 2025
    What to do if there is no circulation of water in Dunkirk DCB-100 Boiler?
    • M
      Mark SantosSep 1, 2025
      If your Dunkirk Boiler has no water circulation and control is performed via temperature sensor, check for correct water circulation and pump operation. Also, check the correct connection of the NTC sensor on the pipe.
  • V
    victoriawilkersonAug 31, 2025
    Why did the thermo fuse trip in my Dunkirk DCB-100 Boiler?
    • N
      nicole87Aug 31, 2025
      If the thermo fuse has tripped in your Dunkirk Boiler due to over temperature, or if the wire harness is disconnected from the thermo fuse or the board, or if the wire harness is cut, check the thermo fuse and ensure correct water circulation and pump operation. Also, check the status of the primary exchanger. Consider replacing the heat exchanger. Verify the wire harness installation and its continuity.
  • L
    Lydia CarrollAug 29, 2025
    What to do if NTC flue sensor tripped in Dunkirk DCB-100 Boiler?
    • J
      jonesarianaAug 29, 2025
      If the NTC flue sensor in your Dunkirk Boiler has tripped due to over temperature, check the thermostat and ensure correct water circulation and pump operation. Also, check the status of the primary exchanger.
  • K
    Katie DennisAug 27, 2025
    How to fix low hydraulic pressure in Dunkirk DCB-100 Boiler?
    • M
      Michael KempAug 27, 2025
      If the hydraulic pressure in your Dunkirk Boiler is too low, refill the heating system by opening the cold water tap.
  • J
    Joshua McgeeAug 27, 2025
    What to do if hydraulic pressure is too high in Dunkirk DCB-100?
    • K
      kpriceAug 27, 2025
      If the hydraulic pressure in your Dunkirk Boiler is too high, relieve the pressure using the relief valve or by draining the system. Ensure that the water feed is operating correctly.
  • D
    davidflemingAug 25, 2025
    How to fix combustion test alarm during calibration of Dunkirk Boiler?
    • D
      Daniel AlvarezAug 25, 2025
      If your Dunkirk Boiler's combustion test triggers an alarm during commissioning or calibration, examine the flame sensor. Check for any obstructions in the flue pipe and look for recirculation issues. Verify the gas pressure, gas orifice, and gas quality. You may need to perform automatic and manual calibration functions.
  • S
    Sharon RichardsAug 23, 2025
    What to do if safety thermostat tripped in Dunkirk DCB-100 Boiler?
    • A
      Amy WeberAug 23, 2025
      If the safety thermostat has tripped on your Dunkirk Boiler due to over temperature, which may be caused by a blocked pump or air in the heating circuit, check the safety thermostat and its cable. Also, verify the correct circulation of water and the pump.

Dunkirk DCB-100 Specifications

General IconGeneral
BrandDunkirk
ModelDCB-100
CategoryBoiler
LanguageEnglish

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