Worcester Greenstar 18i System ErP User Manual

UK/IE
User instructions
Wall hung RSF gas fired condensing system boiler
Greenstar i System
ErP
6720806946-00.1Wo
For sealed central heating systems
6 720 806 947 (2015/03)
If you smell gas:
▶ Well away from the building: call the National Gas Emergency
Service on 0800 111 999.
▶ L.P.G. boilers: Call the supplier’s number on the side of the
gas tank.
These appliances are for use with:
Natural Gas or L.P.G.
(Cat. II 2H 3P type C13, C33 & C53)
Model GC Number
Natural Gas Greenstar 9i System
ErP
41-406-21
Greenstar 12i System
ErP
41-406-23
Greenstar 15i System
ErP
41-406-25
Greenstar 18i System
ErP
41-406-27
Greenstar 21i System
ErP
41-406-29
Greenstar 24i System
ErP
41-406-31
L.P.G. Greenstar 9i System
ErP
41-406-22
Greenstar 12i System
ErP
41-406-24
Greenstar 15i System
ErP
41-406-26
Greenstar 18i System
ErP
41-406-28
Greenstar 21i System
ErP
41-406-30
Greenstar 24i System
ErP
41-406-32

Worcester Greenstar 18i System ErP Specifications

General

Brand	Worcester
Model	Greenstar 18i System ErP
Category	Boiler
Language	English

Summary

Key to Symbols and Safety Instructions

1.2 Safety Precautions

Provides essential safety rules for gas leaks, appliance operation, and children's safety.

Controls

3.1 Appliance Controls

Details the appliance control panel, display screen, and button functions.

3.2 Central Heating

Guides on viewing and setting central heating flow temperatures and economic settings.

3.2.5 Appliance Frost Protection

3.3 Cylinder Temperature Adjustment

3.4 Hot Water Settings

Guides on setting hot water temperature with an optional integral diverter valve kit.

System Pressure

4.1 External Filling Link

Instructions for checking system pressure and re-pressurising using the external filling loop.

Fault Finding

7.1 Appliance Alert States

Explains how fault codes and alert symbols are displayed and what they indicate.

7.2 Appliance Reset Procedure

Details the steps to reset the appliance following a fault or alert.

7.3 Extreme Cold Weather Issues

Fault or Breakdown

8 Breakdown Support and Warranty

Information on service engineer availability, warranty conditions, and technical support contact.

Your Guarantee

11 Guarantee Terms and Registration