Contents

Preface
Contents
1 Key to symbols and safety instructions
- 1.1 Key to symbols
- 1.2 Safety precautions
- 2 General information
  - 2.1 Energy efficiency
  - 2.2 Servicing
  - 2.3 Benchmark standard
  - 2.4 User caution
- 3 Controls
  - 3.1 Appliance controls
    - 3.1.1 Appliance display
      - 3.1.2 Basic adjust mode
  - 3.2 Central heating
    - 3.2.1 View appliance flow set temperature
    - 3.2.2 Setting the appliance flow temperature for the system
    - 3.2.3 Set economic temperature - Central heating
    - 3.2.4 Turning the central heating off during the summer
    - 3.2.5 Appliance frost protection
  - 3.3 No integral diverter valve fitted: Cylinder temperature adjustment
  - 3.4 Optional integral diver valve kit fitted: Setting the cylinder hot water temperature
    - 3.4.1 View the cylinder hot water temperature set temperature
    - 3.4.2 General cylinder hot water temperature adjustment
    - 3.4.3 Mid point domestic hot water temperature
    - 3.4.4 Domestic hot water eco and preheat modes
    - 3.4.5 Domestic hot water preheat mode manual activation (Eco mode off)
    - 3.4.6 Turn off the operation/fault diagnostic light (blue)
- 4 System pressure
  - 4.1 External filling link
- 5 Clearances
- 6 Maintaining your appliance
- 7 Fault finding
  - 7.1 Appliance alert state
  - 7.2 Appliance reset
  - 7.3 Extreme cold weather
- 8 Fault or breakdown
- 9 Tips on energy saving
- 10 Environment/disposal
- 11 Your guarantee
- 12 Glossary

Worcester LPG Greenstar 9i System 2015 User Instructions

Worcester LPG Greenstar 9i System 2015 Boiler manual cover

Pages 28

Year 2015

Language(s)

of 28

Worcester LPG Greenstar 9i System 2015 Boiler Specification

The Worcester LPG Greenstar 9i System 2015 Boiler is designed to deliver efficient heating solutions for small to medium-sized homes. This compact system boiler is powered by liquefied petroleum gas (LPG), making it an ideal choice for properties not connected to the mains gas network. With a high efficiency rating, it meets the stringent requirements of modern heating standards, ensuring reduced energy consumption and lower fuel bills.

The Greenstar 9i System Boiler features a robust aluminum-silicon heat exchanger, which enhances heat transfer and contributes to its high efficiency. Its sophisticated control system allows for precise temperature management, providing consistent and reliable heating performance. The boiler is compatible with a range of optional controls, including smart thermostats, enabling users to optimize heating schedules and improve energy efficiency further.

The Worcester Greenstar 9i is engineered for ease of installation and maintenance, featuring a user-friendly interface with clear diagnostic displays to simplify troubleshooting. Its compact dimensions allow for flexible installation in various settings, including kitchen cupboards, without compromising on access for servicing.

Safety is a top priority with the Greenstar 9i, incorporating advanced safety features such as frost protection and a low-energy pump to prevent overheating. The boiler is also designed with an automatic air vent and a pressure relief valve to ensure safe operation.

Overall, the Worcester LPG Greenstar 9i System 2015 Boiler combines efficiency, reliability, and user-friendly features, making it a preferred choice for homeowners seeking a dependable heating solution with a focus on energy conservation and safety.

Worcester LPG Greenstar 9i System 2015 Boiler F.A.Q.

How do I reset the Worcester LPG Greenstar 9i System 2015 Boiler?

To reset the boiler, press the reset button located on the boiler control panel. Hold it for 3 seconds until the reset process initiates.

What should I do if my Worcester Greenstar 9i Boiler is not igniting?

Check if the gas supply is on and ensure there are no error codes displayed on the control panel. If the problem persists, consult the manual or contact a qualified technician.

How often should the Worcester Greenstar 9i Boiler be serviced?

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

Why is my Worcester Greenstar 9i Boiler making unusual noises?

Unusual noises may be due to air in the system, low water pressure, or a failing pump. It is advisable to have a professional inspect the boiler.

What does the error code EA mean on my Worcester Greenstar 9i Boiler?

Error code EA indicates an ignition failure. Check the gas supply, reset the boiler, and if the issue continues, contact a technician.

How do I adjust the water temperature on my Worcester Greenstar 9i Boiler?

Use the temperature control knob on the front panel to adjust the water temperature to the desired level.

What is the correct pressure for the Worcester Greenstar 9i Boiler?

The ideal pressure for the boiler is between 1.0 and 1.5 bar when the system is cold.

How can I bleed radiators connected to my Worcester Greenstar 9i Boiler?

Turn off the heating system, use a radiator key to open the bleed valve, and let the air escape until water starts to trickle out, then close the valve.

Why is my Worcester Greenstar 9i Boiler losing pressure?

Pressure loss could be due to a leak in the system, a faulty pressure relief valve, or air trapped in the system. Check for leaks and bleed the radiators.

Can I use a smart thermostat with my Worcester Greenstar 9i Boiler?

Yes, a smart thermostat can be integrated with the Worcester Greenstar 9i Boiler. Ensure compatibility and follow the installation instructions provided by the thermostat manufacturer.