Contents

Preface
- Please read these instructions carefully
- Dedicated to heating comfort
Table of contents
1 Key to symbols and safety instructions
- 1.1 Key to symbols
  - Warnings
  - Important information
  - Additional symbols
- 1.2 General safety instructions
2 Product details
- 2.1 General Information
  - Servicing
  - BENCHMARK STANDARD
- 2.2 Product data on energy consumption
- 3 Operating the boiler
  - 3.1 Controls
  - 3.2 Switching the boiler ON/OFF
  - 3.3 Setting the central heating temperature
    - 3.3.1 Controlling the central heating
  - 3.4 Setting the hot water temperature (only in conjunction with optional diverter valve)
  - 3.5 Frost protection (in conjunction with optional diverter valve)
  - 3.6 Frost protection (without optional diverter valve)
  - 3.7 eco mode (only in conjunction with optional diverter valve)
  - 3.8 Holiday setting (only in conjunction with optional diverter valve)
  - 3.9 Fault condition
- 4 Maintenance
  - 4.1 Fault finding
  - 4.2 Error codes
  - 4.3 Extreme cold weather
- 5 General notes
  - Sealed Hand condensate drain
  - Pluming and condensate drain
  - Pump anti-seizure
  - Clearances
  - Ventilation
  - Sealed Heating System
  - Central heating systems
  - Room thermostat
  - Thermostatic RadiATOR VALVES
- 6 Fault or Breakdown
  - Technical Support
- 7 Tips on energy saving
  - Heating economically
  - New control systems
  - Central heating systems with room thermostats and thermostatic radiator valves
  - Room thermostats
  - Roof insulation
  - Window frames
  - Curtains
  - Draughts
  - Radiators
- 8 Environment / disposal
  - Packaging
- 9 Your guarantee
  - guarantee REGISTRATION
  - For your own record:
- 10 Glossary
  - Pluming and Condensate drain
  - Pump anti-seizure
  - Pump over run function
  - Room thermostat / programmer
  - SEDBUK
  - Thermostatic radiator valves

Worcester Greenstar 30CDi Classic System 2015 User Instructions

Worcester Greenstar 30CDi Classic System 2015 Boiler manual cover

Pages 20

Year 2015

Language(s)

of 20

Worcester Greenstar 30CDi Classic System 2015 Boiler Specification

The Worcester Greenstar 30CDi Classic System 2015 Boiler is a high-performance heating solution designed for medium to large-sized homes. It operates as a system boiler, meaning it requires a separate cylinder for storing hot water but does not need a feed and expansion cistern. This model boasts a 30kW heat output, delivering efficient and reliable heating. The boiler is engineered with a robust aluminum-silicon heat exchanger, ensuring durability and optimal thermal transfer efficiency. It uses natural gas as its primary fuel source and is also compatible with LPG, offering flexibility in installation. The unit is equipped with advanced digital controls, enabling precise temperature management and enhancing energy efficiency. It achieves an 'A' rating for energy efficiency under the ERP directive, helping to reduce household energy consumption and carbon footprint. The boiler is compact, facilitating easy installation in a variety of locations, and is designed with a user-friendly interface for straightforward operation and maintenance. It includes built-in frost protection and is compatible with a range of optional controls, including smart thermostats, to further optimize heating performance. The Worcester Greenstar 30CDi Classic also features Quiet Mark accreditation, highlighting its low noise operation. Safety features include a comprehensive range of system protections such as automatic air vent and pressure relief valve, ensuring safe and reliable operation. The boiler is backed by Worcester Bosch’s reputation for quality and reliability, with an extended warranty available for added peace of mind. Overall, the Worcester Greenstar 30CDi Classic System 2015 Boiler offers a balance of efficiency, reliability, and user-friendly features, making it a solid choice for modern home heating needs.

Worcester Greenstar 30CDi Classic System 2015 Boiler F.A.Q.

How do I reset the Worcester Greenstar 30CDi Classic System boiler?

To reset the boiler, press the reset button located on the front panel of the boiler. Hold the button for 3 seconds until the reset light turns off.

What should I do if the boiler displays an EA error code?

An EA error code indicates a flame detection issue. Check that the gas supply is turned on, and reset the boiler. If the problem persists, contact a qualified technician.

How often should I service my Worcester Greenstar 30CDi Classic System boiler?

It is recommended to service the boiler annually by a certified heating engineer to ensure it operates efficiently and safely.

What is the correct pressure for the Greenstar 30CDi Classic System boiler?

The ideal pressure for the boiler is between 1.0 and 1.5 bar when the system is cold. Check and adjust the pressure using the filling loop if needed.

How can I bleed the radiators in my heating system?

Turn off the heating system and wait for the radiators to cool. Use a radiator key to open the bleed valve slightly until water starts to trickle out, then close it.

What should I do if there's no hot water from the boiler?

Check if the boiler is turned on and the thermostat is set correctly. Ensure there is enough pressure in the system, and reset the boiler if necessary.

How can I improve the energy efficiency of my boiler system?

Regular maintenance, using a smart thermostat, and ensuring your home is well-insulated can improve energy efficiency. Consider upgrading to newer models if necessary.

What does the blue light on the boiler indicate?

A steady blue light means the boiler is operating normally. If it's flashing, it indicates a fault, and you may need to reset the boiler or consult a technician.

Is it normal for the boiler to make noise?

Some noise is normal, but if you hear banging or unusual sounds, it may indicate air in the system or a component issue. Have it checked by a professional.

How do I turn off the central heating in the summer?

Adjust the thermostat to a low temperature or switch off the central heating system entirely while keeping the hot water function active.