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Wolf COB-20 - User Manual

Wolf COB-20
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WOLF GMBH / POSTFACH 1380 / D-84048 MAINBURG / TEL. +49.0.875174-0 / FAX +49.0.875174-1600 / www.WOLF.eu
Art.-Nr. 3065081_201806
Änderungen vorbehalten /
Subject to modifications
Ölpumpe COB-20/29/40 - Einstellung Pumpendruck
Oil pump COB-20/29/40 - Setting pump pressure
Werkseinstellung Pumpendruck COB-20/29 /
factory setting pump pressure COB-20/29
ST 1 (Stufe 1/Stage 1) = 8,5 ± 1,0 bar
ST 2 (Stufe 2/Stage 2) = 16,8 ± 2,5 bar
Einstellung Pumpendruck COB-40 /
Setting pump pressure COB-40
COB-40 COB-29 COB-20 COB-15
ST1
ST2
ST1
ST2
SW 8
1½ x
½ x
SW 8
¼ x
¼ x
Pumpendruck /
Pump pressure
ST1
ST2
11,0 ± 1,0 bar
23,5 ± 2,5 bar
9,8 ± 1,0 bar
18,0 ± 2,5 bar
8,5 ± 1,0 bar
16,8 ± 2,5 bar
Kurzbedienungsanleitung -
Short operating instructions

Other manuals for Wolf COB-20

Questions and Answers

  • J
    James ClarkeSep 8, 2025
    How to fix faulty stratification sensor on Wolf COB-20?
    • W
      William ClarkSep 9, 2025
      If the Wolf Boiler displays a faulty stratification sensor, it indicates a problem with the stratification cylinder sensor or its lead. Check the sensor and lead to resolve this.
  • M
    Miss Katherine ConnerSep 12, 2025
    How to fix header sensor fault on Wolf COB-20 Boiler?
    • J
      Jennifer RobinsonSep 12, 2025
      If the Wolf Boiler indicates a faulty header sensor, there is likely an issue with the sensor or its lead. Check the sensor and lead to troubleshoot.
  • P
    Patricia AndrewsSep 13, 2025
    Why Wolf COB-20 has insufficient water pressure?
    • M
      Michael AndradeSep 13, 2025
      If the Wolf Boiler displays insufficient water pressure, it's because the pressure switch isn't activating due to low water pressure (below 0.8 bar). Ensure the system pressure is above 1.5 bar, inspect the water pressure switch and its lead, and then press the reset button.
  • N
    Nicholas FreySep 14, 2025
    What to do if Wolf Boiler condensate pump not pumping?
    • S
      Shawn BakerSep 15, 2025
      If the condensate pump in your Wolf Boiler is not pumping, it could be due to a defective pump, a blocked drain line, or a missing power supply. Check the pump itself, inspect the drain line for blockages, and verify the mains plug and fuse.
  • T
    Todd SkinnerSep 17, 2025
    Why Wolf Boiler has max cylinder heating time exceeded?
    • T
      travis15Sep 17, 2025
      If the Wolf Boiler exceeds the maximum cylinder heating time, it means the set cylinder temperature hasn't been reached with sufficient flow. Try venting the cylinder, increasing the cylinder heating time (HG20), and checking the cylinder sensor installation.

Summary

Setting Pump Pressure for WOLF Oil Pumps COB-20;29;40

Factory Setting Pump Pressure COB-20;29

Specifies factory default pressures for Stage 1 (8.5 ± 1.0 bar) and Stage 2 (16.8 ± 2.5 bar).

Setting Pump Pressure for COB-40 Series

Details adjustment procedures (SW 8, turns) and target pressures for ST1/ST2 across models COB-40, COB-29, COB-20, COB-15.

Setting Pump Pressure for WOLF Oil Pumps COB-2-20;29;40

Factory Setting Pump Pressure COB-2-20

Specifies factory default pressures for Stage 1 (8.5 bar) and Stage 2 (17 bar).

Setting Pump Pressure for COB-2-40 Series

Details adjustment procedures (SW 8, turns) and target pressures for ST1/ST2 across models COB-2-40, COB-2-29, COB-2-20, COB-2-15.

Wolf COB-20 Specifications

General IconGeneral
BrandWolf
ModelCOB-20
CategoryBoiler
LanguageEnglish

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