Worcester GREENSTAR Ri ErP Series

UK/IE
User instructions
Wall hung RSF gas fired condensing regular boiler
GREENSTAR Ri
ErP
6720813340-00.1Wo
For central heating systems
6 720 813 340 (2014/09)
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 12Ri
ErP
41-406-41
15Ri
ErP
41-406-43
18Ri
ErP
41-406-45
24Ri
ErP
41-406-47
L.P.G. 12Ri
ErP
41-406-42
15Ri
ErP
41-406-44
18Ri
ErP
41-406-46
24Ri
ErP
41-406-48

Worcester GREENSTAR Ri ErP Series Specifications

General

Type	Combi, System, Regular
Mounting	Wall-mounted
Condensing	Yes
Fuel Type	Natural Gas
Warranty	Up to 10 years
NOx Emissions	Class 5

Summary

User Instructions and Appliance Details

Appliance Specification

Gas Leak Safety Procedures

Steps to take if a gas leak is detected, including emergency contact numbers.

Key to Symbols and Safety

Safety Precautions for Gas Leaks

Steps to take if gas is smelled, including preventing sparks and emergency contacts.

Boiler Controls Overview

Control Panel Identification

Identifies and describes the main control knobs, buttons, and indicator lights.

Operating the Boiler

Switching Boiler On and Off

Step-by-step instructions for powering the boiler on and off using the main knob.

Setting Central Heating Temperature

Guidance on adjusting the flow temperature control knob for the heating system.

Boiler Operation Modes

Boiler Frost Protection Mechanism

System Pressure Management

Sealed Heating Systems and Pressure

External Filling Loop Operation

Re-pressurising the System

Service Clearances and Access

Required Space for Servicing

Appliance Maintenance

Long-Term Care and Servicing

Fault Finding Guide

Common Problems and Solutions

A table detailing common boiler issues, their causes, and recommended remedies.

Boiler Reset Procedure

How to Reset the Boiler

Step-by-step instructions for resetting the boiler via the central heating temperature knob.

Troubleshooting in Cold Weather

Frozen Condensate Pipe

Fault or Breakdown Support

Service and Repair Conditions