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Basic specifications and dimensions for the boiler models.
Details on heat output, gas consumption, and efficiency.
Specific technical values like flue gas dew point and water pressure.
Information on flue gas CO2 content and NOx levels.
Physical measurements and connection sizes for each model.
Liability, intended use, and statutory compliance requirements.
Contact for assistance and general usage restrictions.
Overview of features, modulation, and emissions.
How the boiler operates and its key design elements.
Identification of key parts within the boiler assembly.
Details of the various connection points at the base.
Explanation of the boiler's control unit and operational logic.
Description of the integrated safety devices.
Procedures for receiving, handling, and moving the boiler.
Information on getting the boiler through standard doorways.
Compliance, standards, and suitable locations.
Instructions for fixing the boiler to walls.
Frost protection, clearances, and general installation advice.
Requirements for ventilation, gas, water, and electrical hookups.
Identification of components on the main PCB.
Details of control fascia and DIN rail connections.
Flue system types and pipe specifications.
Data on flue gas properties and length considerations.
Resistance values for different flue components.
Condense, safety valve, and hydraulic system requirements.
Valve recommendations and operating pressure.
Guidelines for system water composition.
Guidelines for system water hardness levels.
Basic operation, fan modulation, and output control.
Overview of the control panel and key symbols.
Step-by-step guide for switching the appliance on and off.
Navigating information displays and parameter lists.
Accessing historical data and troubleshooting common errors.
Further details on possible error codes and their resolutions.
Pre-operation checks and initial setup procedures.
Reference values for maximum and minimum load settings.
Setting maximum and minimum load rates.
Method for adjusting CO2 levels for optimal combustion.
Converting fuel types and configuring multi-boiler systems.
Performing functional tests on cascaded boilers.
Guidelines for safe maintenance and periodic checks.
Procedure for removing the gas valve assembly.
Steps for removing the fan and burner unit for ETHOS 70.
Steps for removing fan/burner for other models.
Instructions for servicing or replacing the pump.
Adjusting ignition electrode and ionisation probe gaps.
List of external parts and electrical assemblies.
Detailed part list for the ETHOS 70 model.
Detailed part list for other ETHOS models.
Mathematical formulas for gas analysis and conversions.
Formulas specific to non-condensing boiler efficiency.
Formulas specific to condensing boiler efficiency.
Blank section for user notes or comments.
General| Fuel Type | Natural Gas |
|---|---|
| Output (kW) | 90 |
| Heating Capacity | 24.4 - 90.0 kW |
| Flue Diameter | 125 mm |
| Electrical Supply | 230V/50Hz |
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