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General| Type | Condensing boiler |
|---|---|
| Efficiency at 50/30 °C | 108 % |
| NOx class | 5 |
| Efficiency | 108 % |
| Gas type | Natural Gas |
| Water Pressure | 1-3 bar |
Provides critical safety procedures for gas leaks, flue gas, and general operation.
Covers wiring diagrams and detailed technical specifications for ZBR and ZWB models.
Covers the installation of various flue gas venting systems and adapters.
Guides on installing the exhaust and air intake systems, emphasizing safety and code compliance.
Specifies maximum allowed lengths for vent and combustion air pipes based on diameter and elbows.
Details procedures for leak testing gas and water connections to ensure safety.
Covers essential safety precautions, codes, and requirements for electrical installation.
Explains how to access and connect low voltage components to the Heatronic control.
Details the procedure for connecting the appliance to the main power supply.
Covers essential pre-operation checks, system filling, and purging procedures.
Introduces the Heatronic control's service functions and how to access them.
Lists all available service functions categorized by level (1st and 2nd) with page references.
Provides detailed descriptions of service functions 1.A through 0.E.
Details second level service functions 8.A through C.d.
Explains the procedure and requirements for converting the appliance to a different gas type.
Details the process for checking and adjusting the gas-air ratio for optimal combustion.
Describes how to use the test port to check the gas inlet pressure for proper operation.
Provides instructions for measuring CO levels in flue gas and safety precautions.
Highlights safety warnings and essential points for performing service and maintenance.
Outlines the steps for safely servicing the burner, including cover removal and component cleaning.
Details how to inspect and clean the heat exchanger block using specific Bosch tools.
Provides a structured checklist to guide technicians through service and maintenance procedures.
Lists critical safety warnings (explosion, flue gas, electric shock, scalding) relevant to troubleshooting.
Lists fault codes shown on the display and their corresponding elimination steps.
Describes common appliance faults that may not trigger a display code and their remedies.
Provides resistance tables for checking outdoor, supply, and DHW temperature sensors.
Form for recording essential appliance and installation information during commissioning.
