Product Information
5
Commercial Boiler Series – 6720814333 (2019/05)
H General considerations
▶ The boiler must be installed in a well ventilated area.
The openings must be kept in good condition.
▶ The vents or any other component contributing to
the functioning of the boiler must not be reduced or
sealed.
▶ We recommend an annual service of the appliance
by an approved engineer to ensure reliable and
efficient operation.
H Safety of electrical devices for domestic use
and similar purposes
The following requirements apply in accordance with
EN 60335-1 in order to prevent hazards from
occurring when using electrical appliances:
“This appliance can be used by children of 8 years and
older, as well as by people with reduced physical,
sensory or mental capabilities or lacking in experience
and knowledge, if they are supervised and have been
given instruction in the safe use of the appliance and
understand the resulting dangers. Children shall not
play with the appliance. Cleaning and user
maintenance must not be performed by children
without supervision.”
“If the power cable is damaged, it must be replaced by
the manufacturer, its customer service department or
a similarly qualified person, so that risks are avoided.”
H Please read these instructions carefully
▶ These instructions are applicable to the Worcester
appliance model/s stated on the front cover only.
▶ These instructions apply in the UK/IE only and must
be followed except for any statutory obligation.
2 Product Information
2.1 Declaration of conformity
The design and operating characteristics of this product comply with the
European and national requirements.
The CE marking declares that the product complies with all the
applicable EU legislation, which is stipulated by attaching this
marking.
The complete text of the Declaration of Conformity is available on the
Internet: worcester-bosch.co.uk.
2.2 Benchmark standard
The Benchmark initiative is a code of practice
to encourage the correct installation,
commissioning and servicing of domestic
central heating appliances and system
equipment.
A “checklist” is dispatched with every appliance and can be found
towards the back of the Installation, Commissioning and Servicing
Instructions. This is a vital document that needs to be completed by the
installer at the time of installation. It confirms that the appliance has
been installed and commissioned according to the manufacturer's
instructions.
The service record provides space for the recording of regular servicing
of the appliance/heating system and this can become a valuable
document when, for example, you wish to sell the property. The service
record will show a potential purchaser that the heating system has
received regular professional maintenance and servicing during its
lifetime.
The Benchmark initiative aims to:
• Raise standards among professional installers.
• Build and maintain high safety standards in the industry.
• Improve customer satisfaction levels.
• Make a contribution to the nation's commitment to climate change.
2.3 Appliance types
Table 2
This document refers to the following appliance types:
• GB162-50 V2
• GB162-65 V2
• GB162-85 V2
• GB162-100 V2
The designation of the boiler comprises the following:
• Worcester: manufacturer
• GB162 V2: product name
• 50, 65, 85 or 100: type name (output)
3 Commissioning
3.1 Overview of components
Fig. 1 Overview of components
[1] Control panel
[2] Pump
[3] Hydraulic isolation valves with temperature gauges
[4] Gas isolation valve
[5] Pressure gauge
These appliances are for use with Natural Gas or L.P.G.
(Cat. II2H3P type C
13
, C
33
& C
53
)
Model Gas Council Number
Natural gas
50 kW 41-406-66
65 kW 41-406-67
0010025258-001
4 353
2
1
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