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General| Efficiency | Up to 95% AFUE |
|---|---|
| Vent Type | Direct vent |
| Heat Exchanger Material | Stainless steel |
| Type | Condensing Boiler |
| Modulation Ratio | Up to 1:6 |
| Fuel Type | Natural gas or propane |
| Warranty | 5 years |
Outlines precautions for safe operation and maintenance of the system.
Provides emergency procedures in case of gas leaks to prevent explosions.
Details steps to take if flue gas is detected, to prevent poisoning.
Advises on electrical and scalding risks from water leaks.
Stresses the importance of clear flue systems and adequate combustion air supply.
Details preparation of water connections, gas connection, and electrical connections.
Instructions for mounting the boiler and connecting it to various systems.
Details the process of securing the boiler to its wall mounting bracket.
Covers connecting the balanced flue pipe and shared flue systems.
Details the process of connecting the gas supply, including leak checks.
Explains how to open the wiring chamber and the layout of electrical connections.
Safety warnings and requirements for connecting the power supply.
Lists the various steps involved in commissioning, inspection, and maintenance procedures.
Details the process of commissioning the system via assistant or software tool.
Guidance on filling the heating system with water, including quality and safety notes.
Critical safety check for leaks on water connections during commissioning.
Procedure for venting air from the heating system.
How to determine and set the correct gas type for the appliance.
Procedure for changing the appliance's gas type to LPG.
How to measure and record static and supply gas pressures.
Troubleshooting guide linking system functions to potential faults and measures.
How to set the maximum heating output limit for the appliance.
Procedure for checking the tightness of the balanced flue system.
Procedure for checking gas equipment for leaks at operational pressure.
How to check CO2, O2, and CO content for optimal combustion quality.
Inspecting the flue system for blockages and leaks.
How to access and navigate the appliance's service menu.
Overview of diagnostic areas within the service menu.
How to check various operating data points, including for heating circuits with mixers.
Explains how faults are displayed on the programming unit.
How to access active fault messages from the unit.
How to retrieve the 5 most recent faults from the saved message history.
General information and reference to "Repairs" chapter for fault diagnosis.
General notes and warnings about performing repairs and protecting components.
Steps to safely shut down the boiler before performing repairs.
How to check and test heat generator circuit flow temperature sensors.
How to check and replace the flue gas temperature sensor.
Troubleshooting steps for fault message 416 related to flue gas sensor positioning.
Notes on replacing the HBMU heat management unit using the Service Assistant.
How to check and replace the appliance fuse, with safety warnings.
Explains the operation of DHW heating, burner, pump, and diverter valve.
Provides the wiring diagram for the HBMU heat management unit.
Technical specifications for the gas condensing combi boiler, including output and pressure.
