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General| Model | Greenstar FS 42CDi Regular |
|---|---|
| Category | Boiler |
| Output Rating | 42 kW |
| Fuel Type | Natural Gas |
| Efficiency Rating | A |
| Max Operating Pressure | 3 bar |
| Type | Regular |
| Warranty | 5 years |
Overarching processes covered in the manual for the boiler.
Specific Worcester Bosch boiler models detailed in this manual.
Key contact details for Worcester Bosch Group support services.
Advice on safely moving, handling, and general safety principles for the appliance.
Glossary of terms, acronyms, and symbols used within the manual.
Essential safety measures to follow before, during, and after installation.
Compliance requirements for boiler installation based on UK/EIRE standards.
Overview of the boiler's standard package and key features.
Detailed specifications and performance data for the boiler models.
Identification and location of internal and external parts of the boiler.
Instructions for flushing and cleaning the central heating system before boiler installation.
Requirements and precautions for electrical, water, and gas supply connections.
Guidelines for connecting water systems, valves, and pipework for safe operation.
Rules for routing, fall, and termination of condensate pipes.
Specific requirements for external condensate pipe runs, including insulation.
Instructions for creating a suitable soakaway for condensate discharge.
Procedure for installing an air break when using a shared drainpipe.
Minimum spatial requirements for boiler installation.
Space needed for servicing within cupboards or compartments.
Clearances for installing the boiler within an unvented compartment.
Specific clearances for installation and servicing in airing cupboards.
Ventilation requirements for compartments where the boiler is installed.
Safety precautions for installing boilers in bathrooms, including electrical zoning.
Details on water and gas connection fittings for the mounting frame.
Guidance on routing pipes behind the boiler unit and avoiding obstructions.
Requirements for flue fitting, termination, and nuisance prevention.
Minimum distances from terminals to boundaries, eaves, and other structures.
How to calculate effective flue length based on bends used.
Guidance on flue placement near windows, dormers, roof structures, and drains.
Maximum allowable lengths for various flue configurations and diameters.
Method for calculating total flue length considering bends and extensions.
Specifications for available flue extension kits.
Specifications for different flue terminal types.
Step-by-step guide to safely unpack the boiler from its pallet.
Best practices for lifting and moving the boiler safely.
Instructions for securing the mounting frame to the floor and wall.
Guidance on marking and creating the wall opening for the flue terminal.
How to connect gas and water pipes to the boiler's mounting frame.
Maximum allowable straight flue lengths for specific boiler models.
A practical example of measuring and calculating flue length with extensions.
How to adjust the length of standard flue terminals.
Instructions for cutting and adjusting extended flue tubes.
Procedures for cutting and preparing flue outlets for connection.
Steps to remove the front panel for access.
Instructions for adapting the boiler for side or top flue outlets.
Guidance on assembling flue components with seals and grease.
Step-by-step process for fitting the flue terminal and connecting it to the boiler.
How to adjust the flue terminal to manage plume direction.
How to connect the condensate pump and pipe to the waste outlet.
Procedures for connecting gas and water pipes to the boiler manifold.
Requirements for mains supply, wiring centre, and external pump connections.
How to access the boiler's internal wiring connections.
Verifying pipe connections, gas type, flue security, and condensate pipe.
Steps to refit the inner case cover after checks.
Instructions for opening valves and filling the system.
Filling to correct pressure and venting radiators.
Procedures for switching on mains power and setting controls.
Verifying and adjusting gas inlet pressure for correct operation.
Detailed steps for flushing the system before adding inhibitor.
Instructions for adding inhibitor or anti-freeze to the system water.
Steps to refit the boiler's front and top panels.
Completing documentation and instructing the user on operation.
Initial checks before commencing service, including terminal and compartment clearance.
Verifying joints, connections, and overall appliance operation.
How to access stored fault codes from the Bosch Heatronic system.
Steps to remove the front panel and inner casing for servicing access.
Procedure for cleaning the primary heat exchanger using a special kit.
Steps to remove the condensate pump for maintenance or replacement.
Instructions for cleaning the burner and checking CO/CO2 levels.
Procedure for checking and replacing the flap valve in the fan intake.
Instructions for replacing flow temperature, safety temperature, and flue temperature sensors.
Steps for removing and replacing the fan assembly and mixer unit.
Procedure for replacing the flap valve in the fan intake.
Steps to remove and replace the condensate pump.
How to replace the electrode assembly and associated components.
Procedure for replacing the burner unit, including seals and checks.
Steps for removing and replacing the primary heat exchanger.
Conditions under which air/gas ratio adjustment is necessary.
Step-by-step guide to measuring CO2 levels at maximum and minimum output.
How to adjust CO2 levels using the internal adjuster and gas valve.
How to replace the code plug for LPG conversion.
Procedure for swapping the gas pipe for LPG compatibility.
Steps for applying the conversion label and adjusting CO2 levels.
Table listing error codes, their descriptions, and necessary actions.
Troubleshooting guide for condensate pump operating lamps and fault conditions.
