Worcester GB162-50

UK/IE
Operating Instructions
Wall hung gas fired condensing boiler
Worcester Commercial Boiler Series
GB162-50/65/85/100 V2
6720814332-0.1TD
For central heating systems and indirect fed domestic hot water
6720814333 (2018/04) UK/IE
If you smell gas:
▶ Well away from the building: In Great Britain call the National
Gas Emergency Service on 0800 111 999.
In Northern Ireland call 0800 002 001 and in Ireland call
1850 20 50 50
▶ 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
2H3P
type C
13
, C
33
& C
53
)
Model GC Number
Natural Gas 50 kW 41-406-66
65 kW 41-406-67

Worcester GB162-50 Specifications

General

Output	50 kW
Fuel Type	Natural Gas / LPG
Efficiency	93%
Max Flow Rate	20 l/min
Warranty	5 years

Summary

Key to Symbols and Safety Instructions

1.1 Key to Symbols

Identifies symbols used in the document for clarity and understanding.

1.2 General Safety Instructions

Provides essential safety advice for safe boiler operation and user protection.

Product Information

2.1 Declaration of Conformity

Confirms product compliance with applicable EU legislation and requirements.

2.2 Appliance Types

Lists the specific Worcester boiler models covered by this manual.

2.3 Energy Efficiency

Details product data for energy consumption and efficiency class.

Operating the Boiler

3.1 Overview of Components

Identifies the main parts of the boiler control panel and casing.

3.2 Opening the Gas Isolation Valve

Step-by-step guide to safely opening the gas supply valve.

3.3 Opening Service Valves

Instructions for opening hydraulic isolation valves for maintenance.

3.4 Switch on the Boiler

Procedure for powering on the boiler unit.

3.5 Check Water Pressure

Guidance on verifying and maintaining correct system water pressure.

3.6 Setting the Maximum Boiler Temperature

How to adjust the maximum flow temperature setting for heating.

3.7 Heating Controller Settings

Notes on interaction and parameter exchange with external controls.

Operating the Appliance

4.1 Information Menu

How to access and read boiler status and diagnostic information.

4.2 Setup Menu

Guide to adjusting boiler settings like pump speed and temperature.

4.3 Anti-Freeze Protection

Measures to prevent the heating system from freezing during cold weather.

4.4 Key Lock

Instructions for locking and unlocking the control panel for security.

Inspection and Servicing

5.1 Refilling the Heating System

Guidance on replenishing water in the heating system.

5.2 Cleaning the Casing

Simple instructions for cleaning the boiler's exterior.

Shutdown

6.1 Standard Shutdown

Procedure for safely turning off the boiler unit.

6.2 Shutting Down When There is a Risk of Frost

Steps to protect the boiler and system during freezing conditions.

Display Information

7.1 Display Codes

Explains codes displayed for boiler status, operation, and faults.

7.2 A Fault Has Occurred But No Fault Code Is Displayed

Troubleshooting steps when the boiler malfunctions without error codes.

Energy Saving and Environmental Protection

8.1 Energy Savings

Advice and features for optimizing energy efficiency and reducing consumption.

8.2 Environment Disposal

Information on the company's environmental policy and product disposal.