Contents

Preface
Contents
1 Key to symbols and safety instructions
- 1.1 Key to symbols
- 1.2 Safety instructions
- 2 General Information
  - 2.1 Energy efficiency
  - 2.2 Servicing
  - 2.3 User caution
- 3 Using your boiler
  - 3.1 Controls
  - 3.2 Operating the boiler
    - 3.2.1 Switching the boiler on/off
    - 3.2.2 Setting the heating temperature
    - 3.2.3 Controlling the central heating
    - 3.2.4 Frost protection
- 4 Maintenance
  - 4.1 Maintaining your boiler
  - 4.2 Servicing
- 5 External filling loop (sealed system only)
- 6 General information
  - 6.1 Ventilation information
  - 6.2 Maintenance clearances
  - 6.3 General notes
- 7 Fault finding
  - 7.1 Fault conditions
- 8 Fault or Breakdown
- 9 Energy saving
  - 9.1 Tips on energy saving
- 10 Your guarantee
- 11 Environment/disposal

Worcester Greenstar Utility Regular 12/18 2018 User Instructions

Worcester Greenstar Danesmoor Utility Regular 12/18 2018 Boiler manual cover

Pages 16

Year 2018

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Worcester Greenstar Danesmoor Utility Regular 12/18 2018 Boiler Specification

The Worcester Greenstar Danesmoor Utility Regular 12/18 2018 Boiler is a high-efficiency oil-fired boiler designed for residential use, offering reliable central heating and hot water functionality. It features a compact and robust design, ideal for utility rooms, and is engineered to deliver an output range of 12 to 18 kW, making it suitable for small to medium-sized homes. This boiler operates with a standard efficiency level, complying with the latest heating regulations, and incorporates advanced combustion technology to optimize fuel usage and reduce emissions.

The Greenstar Danesmoor Utility Regular 12/18 is equipped with an easy-to-use control interface, allowing users to adjust settings for optimal performance and comfort. The boiler is compatible with a range of optional controls and accessories, enabling enhanced system customization to meet specific heating requirements. Its heat exchanger is manufactured from high-quality materials, ensuring durability and long-term reliability.

Installation and maintenance are streamlined by the boiler's thoughtful design, which includes accessible components and connections. The unit is also compatible with a range of flue options, providing flexibility in installation locations. The system's safety features include an automatic air vent, pressure relief valve, and a low-pressure switch, ensuring safe operation under varying conditions.

The Worcester Greenstar Danesmoor Utility Regular 12/18 2018 Boiler is engineered to deliver efficient and consistent heating performance, backed by Worcester Bosch's reputation for quality and innovation in heating solutions. It represents an excellent choice for homeowners seeking a dependable and cost-effective heating solution, with the assurance of comprehensive service and support.

Worcester Greenstar Danesmoor Utility Regular 12/18 2018 Boiler F.A.Q.

How do I reset my Worcester Greenstar Danesmoor Utility Regular 12/18 Boiler?

To reset the boiler, press the reset button located on the control panel. Hold it for 3-5 seconds until the reset indicator light turns off. Ensure that the boiler is switched off and cooled down before attempting a reset.

What should I do if my boiler is not providing hot water?

First, check if the thermostat is set correctly and the boiler has power. Ensure that the pressure gauge is within the recommended range (1-1.5 bar). If the problem persists, there might be an issue with the diverter valve or the heat exchanger, and you should contact a qualified technician.

How often should I service my Worcester Greenstar Danesmoor Utility Regular 12/18 Boiler?

It is recommended to service your boiler annually to ensure it operates efficiently and safely. Regular servicing can also help identify potential issues before they become major problems.

Why is my boiler making banging noises?

Banging noises can be caused by air in the system, low water pressure, or a build-up of limescale in the heat exchanger. Bleeding the radiators may help if air is trapped. If the issue continues, consult a professional engineer.

What is the optimal pressure level for my boiler?

The optimal pressure level for the Worcester Greenstar Danesmoor Utility Regular 12/18 Boiler is between 1 and 1.5 bar. Check the pressure gauge and adjust it if necessary by using the filling loop.

How can I improve the efficiency of my boiler?

To improve boiler efficiency, ensure regular servicing, bleed your radiators to remove air, and check that your home is well-insulated. Consider installing a smart thermostat for better control of heating schedules.

What should I do if I smell gas near my boiler?

If you smell gas, immediately turn off the gas supply, open windows and doors for ventilation, and evacuate the area. Do not operate electrical switches. Contact the gas emergency service immediately.

How do I bleed my radiators?

To bleed radiators, turn off the heating, use a radiator key to open the bleed valve at the top of the radiator, and release trapped air until water starts to drip out. Close the valve tightly and check the boiler pressure afterwards.

What are common error codes on this boiler and their meanings?

Common error codes include EA (flame detection error), A7 (flow temperature sensor fault), and E9 (overheat protection). Refer to the user manual for a full list of error codes and troubleshooting steps.

How do I adjust the boiler temperature settings?

Adjust the temperature settings using the control dials on the boiler's front panel. For central heating, turn the temperature control knob to the desired setting, usually between 60-70°C. For hot water, adjust accordingly.