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 Frost protection (for the boiler)
    - 3.4.1 Frost protection (for the heating system)
  - 3.5 Fault condition
- 4 Maintenance
  - 4.1 Fault finding
  - 4.2 Error codes
  - 4.3 Extreme cold weather
- 5 General notes
  - Pluming and condensate drain
  - Pump anti-seizure
  - Clearances
  - Ventilation
- 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

Worcester Greenstar 30CDi Classic Regular 2015 User Instructions

Worcester Greenstar 30CDi Classic Regular 2015 Boiler manual cover

Pages 16

Year 2015

Language(s)

of 16

Worcester Greenstar 30CDi Classic Regular 2015 Boiler Specification

The Worcester Greenstar 30CDi Classic Regular 2015 Boiler is a high-performance, energy-efficient heating solution designed for larger homes with high heating and hot water demands. It operates on mains gas and is compatible with a range of optional controls, enhancing its functionality and efficiency. The boiler provides an impressive central heating output of 30kW, ensuring rapid heat delivery and consistent warmth throughout the property. It features a robust and reliable heat exchanger, engineered for durability and long-term use.

The Greenstar 30CDi Classic is ErP A-rated, reflecting its superior energy efficiency and compliance with modern environmental standards. It supports a wide range of flue options, offering flexibility in installation to suit various property layouts. The boiler is equipped with user-friendly controls and a clear display, allowing homeowners to effortlessly manage their heating settings. It also includes frost protection, safeguarding the system against cold weather damage.

The appliance is designed with easy servicing in mind, featuring simple access to internal components, which reduces maintenance time and costs. It is compatible with solar thermal systems, enabling integration into eco-friendly home setups. Furthermore, the boiler includes advanced diagnostics for quick fault-finding and system monitoring, enhancing reliability and ease of use. Overall, the Worcester Greenstar 30CDi Classic Regular 2015 Boiler combines robust construction, high efficiency, and versatile installation options, making it a preferred choice for homeowners seeking a reliable and efficient heating solution.

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

How do I reset the Worcester Greenstar 30CDi Classic Regular Boiler?

To reset the boiler, press the reset button on the front panel. Hold it for 3 seconds until the reset indicator light stops flashing.

What should I do if my boiler is not heating water?

Check the thermostat settings and ensure the boiler is receiving power. If the issue persists, examine the pressure gauge; it should be between 1 and 1.5 bar. If the pressure is low, refer to the manual to repressurize the system.

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

It is recommended to service your boiler annually to ensure it operates safely and efficiently.

What does the error code EA mean on my boiler's display?

The EA error code indicates a failure to ignite. Check the gas supply and ensure there is no air trapped in the system. If the problem persists, contact a qualified engineer.

How can I improve the efficiency of my Worcester Greenstar boiler?

Ensure your home is properly insulated, regularly bleed radiators to remove air, and have your boiler serviced annually. Also, consider installing a smart thermostat.

Why is my boiler making unusual noises?

Unusual noises may indicate trapped air, low water pressure, or a faulty pump. Bleed the radiators and check the pressure. If noises persist, contact an engineer.

How do I adjust the water temperature on my boiler?

Use the temperature control knob on the boiler's front panel. Turn clockwise to increase and counterclockwise to decrease the water temperature.

What should I do if the pilot light keeps going out?

This may be due to a blocked pilot light jet or a faulty thermocouple. Clean the pilot jet and if the issue persists, seek professional assistance.

Can I install the Worcester Greenstar 30CDi boiler myself?

Installation should only be performed by a Gas Safe registered engineer to ensure safety and compliance with regulations.

How do I bleed a radiator on my heating system?

Turn off the heating system and use a radiator key to open the bleed valve. Wait until water starts to escape, then close the valve. Ensure system pressure is correct after bleeding.