Bosch CFB 840 Manuals

Bosch CFB 840 Servicing instructions (56 pages)

• Identifier: id-1521497
• Brand: Bosch
• Device: Control Unit
• Type: Servicing instructions, PDF
• Key Aspects: Customization Options, Technical Drawings and Schematics, Operational Efficiency Guidelines
• UPD Date: 28.02.2026
• Source File: 1476932.pdf
• Pages: 56
• Description: Complete user documentation for the Bosch CFB 840. It outlines the setup and system parameters, power management, warranty information, shutdown procedures.

Key Pages and Contents:

• 6 720 802 836 (2012/05)

  CFB 840 Notes

• Commissioning | 13

  6 720 802 836 (2012/05) CFB 840 6.2 Checking the high limit safety cut-out (STB) The boiler temperature must be monitored continuously at the programmer or at the boiler display of the ZM435 or at suitable measuring points while performing the STB check. The burner must shut down

• Heating circuit data | 29

  6 720 802 836 (2012/05) CFB 840 Fig. 37 Switching off the setback B Release Display to save your input. B Press Back to return to the next higher level. 10.13 Setting flow setback Since the heating system Constant does not allow the connection of a remote control, at this m

• 22 | Boiler parameters

  CFB 840 6 720 802 836 (2012/05) 9.2 Setting the burner type Additional setting masks will be displayed subject to the selected burner type. Select from the following options: • Single stage • two-stage • Modulating • 2 x Single-stage This setting must be used in the fo