Worcester GB162-80 Installation Instructions

Contents
6720813174 (2014/09)2
Contents
1 Key to symbols and safety instructions . . . . . . . . . . . . . . . . . . . 2
1.1 Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2 Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1 About these instructions . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.3 Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3 Items supplied with pump group . . . . . . . . . . . . . . . . . . . . . . . . . 3
4 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
5.1 General installation instructions . . . . . . . . . . . . . . . . . . . 5
5.2 Making the gas connection . . . . . . . . . . . . . . . . . . . . . . . . 5
5.3 Removing the non-return valve (if necessary) . . . . . . . . . 5
5.4 Installing the heating flow and return . . . . . . . . . . . . . . . . 6
5.5 Rotating the pressure relief valve . . . . . . . . . . . . . . . . . . . 7
5.6 Installing the syphon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.7 Connecting the condensate drain pipe . . . . . . . . . . . . . . 8
5.8 Connecting the expansion vessel (accessory) . . . . . . . . 9
5.9 Making the electrical connections to the pump . . . . . . . . 9
5.10 Installing the insulation cover . . . . . . . . . . . . . . . . . . . . 10
6 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
7 Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1 Key to symbols and safety instructions
1.1 Key to symbols
Warnings
Keywords indicate the seriousness of the hazard in terms of the
consequences of not following the safety instructions.
• NOTICE indicates that material damage may occur.
• CAUTION indicates that minor to medium injury may occur.
• WARNING indicates that serious injury may occur.
• DANGER indicates possible risk to life.
Important information
Additional symbols
1.2 Safety instructions
Please observe these instructions for your own safety. You can find a
detailed explanation of the format of these instructions in the Installation
and Servicing Instructions of the GB162-50/65/80/100.
Observe the following instructions when installing and operating the
pump group:
Repairs
▶ DANGER OF FATAL ACCIDENT by unprofessional repair. Do not
repair parts with safety functions.
▶ DANGER OF FATAL ACCIDENT due to electric shock. Before opening
the boiler:
Switch off the power supply to the boiler by pulling the mains plug
from the socket.
IF YOU SMELL GAS:
▶ CALL NATIONAL GAS EMERGENCY SERVICE ON
0800 111 999
▶ LPG BOILERS CALL THE SUPPLIER‘S NUMBER ON THE SIDE OF THE
LPG TANK
▶ TURN OFF THE ECV (EMERGENCY CONTROL VALVE) AT THE
METER/REGULATOR
▶ DO NOT TURN ELECTRICAL SWITCHES ON OR OFF
▶ DO NOT STRIKE MATCHES OR SMOKE
▶PUT OUT NAKED FLAMES
▶ OPEN DOORS AND WINDOWS
▶ KEEP PEOPLE AWAY FROM THE AFFECTED AREA.
Warnings in this document are framed and identified by
a warning triangle which is printed on a grey
background.
Electrical hazards are identified by a lightning symbol
surrounded by a warning triangle.
Important information in cases where there is no risk of
personal injury or material losses is identified by the
symbol shown on the left. It is bordered by horizontal
lines above and below the text.
Symbol Meaning
▶ a step in an action sequence
 a reference to a related part in the document or to other
related documents
• a list entry
– a list entry (second level)
Table 1

Worcester GB162-80 Specifications

General

Brand	Worcester
Model	GB162-80
Category	Boiler
Language	English