Do you have a question about the Unigas H455A and is the answer not in the manual?
Analysis of risks associated with the burner's installation and use.
Instructions regarding system delivery and manual handling.
Details on warranty voidance and manufacturer liability.
Requirements for personnel handling the appliance and training.
General guidelines for installation and safe operation.
Specific instructions for burner installation and operation.
General instructions related to the type of fuel used.
Guidelines for safe and correct electrical connections.
General warnings and instructions for firing with different fuels.
Safety precautions to take in case of gas leakage.
Specific safety considerations and warnings related to burner operation.
Information on relevant directives and standards.
Explanation of how gas burners operate.
Explanation of how light oil burners operate.
Lists gas categories and applicable countries.
Information about the fuel types supported by the burner.
Details on identifying burner models and types.
Detailed technical specifications for different burner models.
Provides overall dimensions of the burners in millimeters.
Template for boiler drilling based on recommendations.
Diagram showing the burner flange.
Diagram illustrating the hydraulic systems of the burner.
Guide on interpreting burner performance curves.
Instructions for verifying the correct gas train size.
Graphical representation of burner performance under different conditions.
Curves showing gas network pressure vs. flow rate for natural gas.
Curves detailing gas pressure in the combustion head.
Procedure for measuring combustion head pressure.
Steps for mounting and connecting the burner.
Guidelines for safely handling the burner.
How to match the burner with the boiler specifications.
Detailed procedure for fitting the burner into the boiler.
Specific matching instructions for low NOx burners.
Instructions for connecting the gas train components.
Instructions for connecting the gas train components.
Mounting instructions for MultiBloc DUNGS components.
Information on the MultiBloc MBE system.
Mounting instructions for VD-R and PS components.
Details on Siemens VGD20 and VGD40 gas valves.
Information on optional micro switches for Siemens VGD SKPx5.
Diagrams for light oil supplying circuits.
Diagrams for installing light oil pipes.
Guidelines for using fuel pumps.
How to connect oil flexible hoses to the pump.
Information on diesel filters.
Instructions for making electrical connections.
How to check and correct electric motor rotation.
Notes regarding electrical supply configurations.
Defines the intended use and limitations of the burner.
Overview and explanation of the burner control panel.
Step-by-step guide to gas operation.
Step-by-step guide to light oil operation.
Description of the integrated proving system operation.
Procedures for adjusting air and fuel flow rates.
Settings for air and gas flow rates using specific actuators.
Procedure for adjusting the combustion head.
Adjusting gas flow for natural gas burners.
Adjusting gas flow for LPG burners.
Regulation details for MultiBloc MBE VD-R with PS.
Diagram showing pressure taps on MultiBloc MBE.
Details on Siemens VGD gas valves with SKP2.
How to set air and gas pressure switches.
Procedure for calibrating the low gas pressure switch.
How to adjust the maximum gas pressure switch.
Procedure for calibrating the air pressure switch.
Procedure for adjusting the combustion head.
Adjusting gas flow for natural gas burners.
Adjusting gas flow for LPG burners.
Procedure for adjusting light oil flow rates.
Reference diagram for fluidics nozzles.
Steps for setting oil flow rates.
Specific adjustments for fully-modulating burners.
Setting the maximum oil pressure switch.
Regular maintenance tasks for the burner.
Steps for cleaning or replacing the gas filter.
Procedure for substituting self-cleaning filters.
Mounting instructions for MultiBloc MBE/VD.
Procedure for removing the combustion head.
How to adjust the electrodes.
Steps for cleaning or replacing electrodes.
How to check the detection current signal.
Procedures for cleaning/replacing the detection photocell.
Instructions for seasonal shutdown of the burner.
Guidelines for safe burner disposal.
Guide to troubleshoot gas operation issues.
Guide to troubleshoot light oil operation issues.