Contents

PREFACE
- Please read these instructions carefully
- Dedicated to heating comfort
CONTENTS
1 SYMBOLS AND SAFETY PRECAUTIONS
- 1.1 Explanation of symbols
  - Warning symbols
  - Important information
  - Additional symbols
- 1.2 safety precautions
- 2 GENERAL INFORMATION
  - Servicing
  - BENCHMARK STANDARD
- 3 CONTROLS
  - 3.1 Operating the boiler
    - 3.1.1 Setting the central heating temperature
    - 3.1.2 Switch off the central heating
    - 3.1.3 Boiler frost protection
    - 3.1.4 Setting the hot water temperature
    - 3.1.5 Boiler reset
- 4 SYSTEM PRESSURE
  - 4.1 SEALED HEATING SYSTEMS
  - 4.2 EXTERNAL FILLING LOOP
- 5 SERVICE CLEARANCES
- 6 MAINTAINING YOUR BOILER
- 7 FAULT FINDING
  - Extreme Cold Weather
- 8 FAULT OR BREAKDOWN
  - Technical Support
- 9 TIPS ON ENERGY SAVING
  - HEATING ECONOMICALLY
  - CENTRAL HEATING SYSTEMS WITH ROOM THERMOSTAT/THERMOSTATIC RADIATOR VALVES
  - ROOM THERMOSTATS
  - NEW CONTROL SYSTEMS
  - ROOF INSULATION
  - WINDOW FRAMES
  - RADIATORs
  - DRAUGHTS
  - CURTAINS
- 10 YOUR GUARANTEE
  - GUARANTEE REGISTRATION
  - For your own record:
- 11 ENVIRONMENT/DISPOSAL
  - Packaging
- 12 GLOSSARY

Worcester Greenstar i System 2013 User Manual

Worcester Greenstar i System 2013 Boiler manual cover

Pages 20

Year 2013

Language(s)

of 20

Worcester Greenstar i System 2013 Boiler Specification

The Worcester Greenstar i System 2013 Boiler is a highly efficient gas-fired condensing boiler designed to provide heating solutions for a variety of home sizes. With its compact dimensions, it is suitable for installation in a multitude of locations, including kitchen cupboards and small utility rooms. The boiler operates with an impressive energy efficiency rating of over 90%, making it an environmentally friendly choice that can significantly reduce household energy bills. It features a modulating pump and a low-energy pump, both designed to decrease electrical usage and further enhance its efficiency.

The Greenstar i System 2013 is equipped with an aluminum-silicon heat exchanger, which improves heat transfer and contributes to the boiler's overall reliability and longevity. It supports a range of outputs, typically between 9 kW and 24 kW, catering to various heating demands. The boiler is also compatible with a variety of optional controls, including smart thermostats, which allow for more precise heating management and integration with modern home automation systems.

Safety is a paramount feature with built-in frost protection and comprehensive diagnostic capabilities to facilitate easy maintenance and troubleshooting. The boiler is ErP rated, ensuring compliance with European energy regulations, and comes with a manufacturer's warranty, reassuring homeowners of its quality and durability. The Worcester Greenstar i System 2013 Boiler exemplifies a combination of advanced technology, efficiency, and user-friendly operation, making it a popular choice for modern residential heating systems.

Worcester Greenstar i System 2013 Boiler F.A.Q.

How do I reset my Worcester Greenstar i System 2013 Boiler?

To reset your Worcester Greenstar i System 2013 Boiler, locate the reset button on the control panel. Press and hold the button for about 5 seconds until the reset light stops flashing.

Why is my boiler making unusual noises?

Unusual noises from your boiler may be due to trapped air, a faulty pump, or limescale buildup. Bleeding the radiators and checking the pump can help. If noises persist, contact a professional technician.

How often should I service my Worcester Greenstar i System 2013 Boiler?

It's recommended to service your Worcester Greenstar i System 2013 Boiler annually to ensure optimal performance and safety.

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

Check if the thermostat is set correctly and ensure there is power to the boiler. Also, verify that the water pressure is within the recommended range of 1 to 1.5 bar. If the issue persists, consult a professional technician.

How can I adjust the water pressure in my boiler?

To adjust the water pressure, locate the filling loop and slowly turn the valve to increase the pressure to the desired level, typically between 1 and 1.5 bar. Close the valve once the pressure is set.

Why does my boiler keep switching off?

Frequent switching off could be due to low water pressure, a faulty thermostat, or a blocked heat exchanger. Check the pressure and thermostat settings. If the problem continues, contact a qualified engineer.

What maintenance tasks can I perform myself on the boiler?

You can regularly check the water pressure, bleed the radiators, and ensure that the external vents are clear. For other maintenance tasks, it's best to consult a professional.

How do I bleed the radiators connected to my boiler?

Turn off the heating system and use a radiator key to open the valve at the top of the radiator. Let the trapped air escape until water starts to flow, then close the valve.

What is the ideal temperature setting for my boiler?

The ideal temperature setting for your boiler is typically between 60-70°C for hot water and 70-80°C for central heating. Adjust according to your comfort and efficiency needs.

Why is my boiler leaking water?

Water leakage can be caused by a variety of issues, such as a faulty pressure relief valve, corrosion, or a loose connection. It's important to have a professional inspect and repair the leak to avoid further damage.