Worcester GREENSTAR-38CDI-CLASSIC user manual

The reset button on a Worcester Greenstar is used to reset the boiler system if it's showing an error code or not functioning properly. Pressing the reset button can rectify certain issues and get the system up and running again. However, if the problem persists, it's advisable to call a qualified service professional. Always refer to your user manual for precise instructions for your specific model.

The Greenstar 38CDi Classic is a highly efficient condensing gas combi boiler model from Worcester Bosch. It has an energy efficiency rating of A, which means it operates with an efficiency of 90% or above. This high efficiency helps to reduce energy consumption and lowers fuel bills.

There could be several reasons why your Worcester heating is not working. Some possible causes include:
1. The thermostat is not set correctly: Check if the thermostat is set to the desired temperature and mode (heating).
2. Power supply issues: Make sure that the heating system has power. Check the circuit breaker or fuse box to ensure it hasn't tripped or blown.
3. Gas supply issues: If you have a gas-powered Worcester heating system, check if the gas supply is turned on and if the pilot light is ignited.
4. Faulty ignition: If your heating system has an electronic ignition, there might be an issue with the ignition switch or control module. This could prevent the heating system from turning on.
5. Blocked or dirty components: Over time, certain components of the heating system, such as the filters or vents, can become blocked or clogged with dirt and debris. This can lead to reduced airflow and poor heating performance.
6. Malfunctioning thermostat: The thermostat may need to be replaced if it is not functioning properly or if it is not communicating with the heating system correctly.
7. Faulty motor or fan: If your heating system uses a motor or fan to distribute hot air, a malfunctioning motor or fan could be preventing the system from working.
If you have checked these potential issues and your Worcester heating system is still not working, it is recommended to contact a qualified HVAC technician to assess and repair the problem.

The temperature at which you should set your Greenstar boiler depends on a few factors, including the size of your home, insulation levels, and personal preferences. However, a general recommendation is to set the boiler temperature between 60-65°C (140-149°F) for hot water production and around 55°C (131°F) for heating. It is important to note that setting the temperature too high can lead to energy wastage and potential scalding risks, while setting it too low may lead to inadequate heating or hot water supply. It's always a good idea to consult the manufacturer's guidelines and consider seeking advice from a qualified heating engineer for optimal settings.