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Wolf CGB-75 - User Manual

Wolf CGB-75
64 pages
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WOLF GMBH / POSTFACH 1380 / D-84048 MAINBURG / TEL. +49.0.87 51 74- 0 / FAX +49.0.87 51 74- 16 00 / www.WOLF.eu
Doc. no.: 3062555_201804 Subjecttomodications
GB
Installationandoperatinginstructions
Wall mounted gas condensing boiler
CGB wall mounted gas condensing boiler
CGB-75
CGB-100

Table of Contents

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Preview: Maintenance Instructions
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Questions and Answers

  • A
    Autumn LewisSep 6, 2025
    How to fix TBV excess temperature in Wolf Boiler?
    • C
      Crystal FosterSep 6, 2025
      If the flow temperature has exceeded the limit for the TBV shutdown temperature, or if the heat exchanger is extremely dirty, or if the water pressure switch switches off at a pressure less than 1.0 bar, you should: * Check the system pressure. * Check the heating circuit pump. * Vent the system. * Press the reset button. * Clean the heat exchanger. * Check the TB combustion chamber. * Increase the system pressure. * Check the dirt filter.
  • T
    Timothy HamiltonAug 25, 2025
    What to do if my Wolf Boiler shows DHW excess temperature?
    • H
      Holly GrantAug 25, 2025
      If your Wolf Boiler displays a DHW excess temperature, check the system pressure and vent the system. You may also need to set the pump to stage 2 or 3.
  • K
    Kristen Archer DVMAug 25, 2025
    What to do if my Wolf CGB-75 shows TBA excess temperature and excess pressure in the flue system?
    • J
      Jason JonesAug 26, 2025
      If your Wolf Boiler displays TBA excess temperature or excess pressure in the flue system, clean the heat exchanger, check the flue system, and check the ventilation air.
  • K
    Katherine DavisSep 14, 2025
    What to do if my Wolf Boiler shows BCC no. invalid?
    • A
      Alexander MooreSep 14, 2025
      If there is a faulty boiler coding card, replace it.
  • J
    Jennifer NguyenSep 23, 2025
    What to do if my Wolf Boiler shows CRC fault, BCC?
    • A
      Austin LeonardSep 23, 2025
      If there is a faulty boiler coding card, replace it.
  • D
    Daniel TrevinoSep 10, 2025
    What to do if my Wolf Boiler's cylinder sensor is faulty?
    • N
      Nicholas WalkerSep 10, 2025
      If the DHW temperature sensor or lead is faulty, check the sensor and the lead.
  • E
    Emily PierceSep 1, 2025
    How to fix ionisation current failure in my Wolf CGB-75 Boiler?
    • C
      Christine GriffinSep 2, 2025
      If your Wolf Boiler is experiencing ionisation current failure, check the monitoring electrode and cable.
  • P
    Patrick GloverSep 2, 2025
    What to do if my Wolf Boiler shows flame pretence?
    • J
      Joann KelleySep 2, 2025
      Press the reset button on your Wolf Boiler.
  • D
    Dawn HunterSep 18, 2025
    What to do if my Wolf Boiler has a TW excess temperature?
    • T
      Tonya Brown DDSSep 18, 2025
      If the flow/return temperature has exceeded the limit for the TW shutdown temperature, check the system pressure and vent the system. Set the pump to stage 2 or 3.
  • D
    Daniel LinAug 28, 2025
    How to fix CRC fault in my Wolf gas condensing Boiler?
    • R
      Ryan EdwardsAug 28, 2025
      If your Wolf Boiler shows a CRC fault for the gas condensing boiler, switch the power supply off and on. If the issue persists, replace the controller PCB.

Wolf CGB-75 Specifications

General IconGeneral
TypeCondensing Boiler
Output75 kW
Fuel TypeNatural gas
Nominal heat output 80/60 °C75 kW
FuelNatural gas

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