Wolf COB Technical Guide And Installation Instructions

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WOLF GMBH / PO BOX 1380 / D-84048 MAINBURG / PHONE +49.0.87 51 74- 0 / FAX +49.0.87 51 74- 16 00 / www.WOLF.eu

Doc. no.: 3062547_201802 Subjecttotechnicalmodications.

GB

Technicalguideandinstallationinstructions

COB/COB-TSoilcondensingboiler

COB for central heating •

COB-TS for central heating with stratication cylinder

Table of Contents

Other manuals for Wolf COB

Operating Instructions12 pages

Installation Instructions And Technical Guide68 pages

Questions and Answers:

W
wfullerSep 6, 2025
Why Wolf Boiler has none flame established?
- K
  kristinbowenSep 6, 2025
  If your Wolf Boiler fails to establish a flame, it could be due to several reasons: a contaminated inspection window for the flame monitor/mixer head, a faulty flame monitor, air in the oil line, excessive negative or overpressure at the oil pump, or a contaminated boiler. Suggested solutions include: checking the oil line and fuel level, inspecting the ignition electrode and transformer, pressing reset, cleaning the inspection window, checking the flame monitor and lead, ensuring proper condensate drainage, or arranging for professional service.
A
Alison SmithAug 25, 2025
What to do if my Wolf COB flue gas sensor shows excess temperature?
- R
  Rebecca LewisAug 25, 2025
  If the flue gas temperature in your Wolf Boiler exceeds 120 °C, try the following: Clean the heat exchanger and ensure all displacement devices are installed. Check the flow through the boiler and verify the boiler flow and return. Finally, press the reset button.
J
james02Aug 25, 2025
Why does my Wolf Boiler have excess temperature (high limit safety cut-out)?
- R
  Ronald ColeAug 26, 2025
  If your Wolf Boiler is experiencing excess temperature, triggering the high limit safety cut-out, it's likely because the flow temperature has exceeded 110 °C. Try testing the heating circuit pump, venting the system, pressing the reset button, and cleaning the heat exchanger.
S
Shannon SmithAug 27, 2025
What to do if my Wolf Boiler fan does not reach the set speed?
- M
  Melissa ShermanAug 27, 2025
  If the fan in your Wolf Boiler isn't reaching the set speed, the power cable to the fan should be checked. Also, check the fan itself. Ensure condensate can drain freely from the balanced flue system, and then press reset. Regular maintenance might be necessary.
J
Jennifer BellAug 27, 2025
What to do if my Wolf Boiler experiences flame failure during operation?
- S
  Sandra WatkinsAug 27, 2025
  If your Wolf Boiler experiences flame failure during operation, it could be due to several reasons. Check the CO values and the flame monitor 2 and lead. Press the reset button. Inspect the flue system for leaks. Also, negative pressure at the oil pump might be too high, or flue gas recirculation might be occurring. Regular maintenance might be necessary.
C
Christopher WalkerAug 28, 2025
What to do if my Wolf Boiler shows TW excess temperature?
- K
  Kathy GriffinAug 28, 2025
  If your Wolf Boiler displays a TW excess temperature warning, it means the flow has exceeded the temperature limiter's limit of 100 °C. Vent the system and check the heating circuit pump.
X
xhowardSep 12, 2025
How to fix faulty cylinder sensor SF on Wolf COB Boiler?
- J
  Justin GreeneSep 12, 2025
  If the Wolf Boiler displays a faulty cylinder sensor SF, it indicates an issue with the sensor or its lead. Check the sensor and lead to resolve the problem.
T
tbyrdSep 7, 2025
What to do if Wolf COB Boiler has flame failure during operation?
- V
  Vanessa TrevinoSep 7, 2025
  If the Wolf Boiler experiences flame failure during operation, it may be due to excessive negative pressure on the oil pump, flue gas return in the supply air, or a contaminated boiler. To address this, check CO values, inspect the flame monitor and lead, press reset, check the fuel system for leaks, or seek professional service.
J
Joyce MoranSep 5, 2025
What to do if Wolf COB Boiler displays temperature limiter - excess temperature?
- B
  Brandon KleinSep 5, 2025
  If the flow in your Wolf Boiler exceeds the temperature limiter's limit of 100 °C, triggering the temperature limiter excess temperature error, you should vent the system and check the heating circuit pump.
V
Vanessa HamiltonSep 2, 2025
How to fix HLSC excess temp on Wolf Boiler?
- C
  Cynthia WallaceSep 3, 2025
  If the Wolf Boiler's flow temperature exceeds 110 °C, it triggers the HLSC excess temperature error. To resolve this, you should test the heating circuit pump, vent the system, press the reset button, and clean the heat exchanger.

Wolf COB Specifications

General

Brand	Wolf
Model	COB
Category	Boiler
Language	English

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