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Manual Worcester GB162-65 Gas Boiler

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Manual

General Information

6720813172 (2015/04) 3

If you smell gas!

▶ Call the National Gas Emergency Service on:

0800 111 999

▶ Extinguish any naked flames

▶ Do not smoke or strike matches

▶ Do not turn electrical switches on or off

▶ Open doors and windows

▶ Keep people away from the affected area

▶ Turn off the gas control valve at the meter

Boiler Operation

This boiler must only be operated by a responsible adult who has been

instructed in, understands and is aware of the boiler's operating

conditions and effects.

Combustible and Corrosive Materials

Chemically aggressive substances can corrode the boiler and invalidate

any warranty.

▶ Do not store or use any combustible materials (paper, thinners,

paints etc.) inside or within the vicinity of the boiler.

Fittings and Modifications

Only a competent engineer in accordance with the Gas Safety

(Installation and Use) Regulations can remove the outer case and carry

out any work.

▶ Do not open the appliance.

Any misuse or unauthorised modifications to the boiler, flue or

associated components and system will invalidate the warranty.

▶ Do not modify the boiler or flue system in any way.

Worcester, Bosch Group accepts no liability arising from any such

actions. This does not affect your statutory rights.

CE label

The appliance complies with the basic requirements of the relevant

European directives.

Conformity has been substantiated by the proper documents which -

together with the declaration of conformity - are filed with the

manufacturer.

Abbreviations

• CH (boiler) flow = Central Heating flow

• CH return = Central Heating return

• DHW outlet = Domestic Hot Water warm outlet

• MCW inlet = Mains Cold Water inlet

• UBA 3 = Universal Burner Automat 3.

2 General Information

Servicing

▶ The boiler must be serviced regularly by a competent, qualified

person, such as a Worcester service engineer or other Gas Safe

registered engineer.

▶ Always use original spares, to help maintain the economy, safety and

reliability of the boiler and have the Service Record completed in the

Installation Checklist.

3 Energy efficiency

The following product data satisfy the requirements of the EU Regulations No. 811/2013, No. 812/2013, No. 813/2013 and No. 814/2013

supplementing Directive 2010/30/EU.

Ensure that the service engineer completes the Service

Record after each service.

The Installation Checklist and service interval record can

be found at the rear of the Installation, Commissioning

and Servicing Instructions.

Product data Symbol Unit 7736700642 7746900822 87470248 87470250

Product type – – GB162-50

G20

GB162-65

G20

GB162-80

G20

GB162-100

G20

Condensing boiler – –Yes Yes Yes Yes

Rated heat output P

rated

kW 47 61 82 95

Seasonal space heating energy efficiency η

%93 92 – –

Energy efficiency class – –A A––

Useful heat output

At rated heat output and high temperature regime

1) High-temperature regime means 60 °C return temperature at heater inlet and 80 °C feed temperature at heater outlet.

kW 46.6 60.5 82.0 94.5

At 30 % of rated heat output and low temperature regime

2) Low temperature means for condensing boilers 30 °C, for low-temperature boilers 37 °C and for other heaters 50 °C return temperature (at heater inlet).

kW 15.4 20.1 26.6 31.6

Useful efficiency

At rated heat output and high temperature regime

% 87.3 87.3 88.2 88.4

At 30 % of rated heat output and low temperature regime

% 97.3 97.3 97.3 98.3

Auxiliary electricity consumption

At full load el

max

kW 0.045 0.073 0.100 0.145

At part load el

min

kW 0.021 0.019 0.024 0.027

In standby mode P

kW 0.008 0.004 0.008 0.008

Other items

Standby heat loss P

stby

kW 0.085 0.082 0.082 0.082

Ignition burner power consumption P

ign

kW 0.000 0.000 0.000 0.000

Emissions of nitrogen oxides NOx mg/kWh 15 36 42 49

Sound power level, indoors L

dB(A) 54 60 – –

Table 2 Product data for energy consumption

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Specifications

Brand	Worcester
Model	GB162-65
Category	Gas Boilers
File type	PDF
File size	0.35 MB

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Frequently Asked Questions about Worcester GB162-65 Gas Boiler

Our support team searches for useful product information and answers to frequently asked questions. If you find an inaccuracy in our frequently asked questions, please let us know by using our contact form.

There is water coming from the pressure relief valve, is that normal? Verified

Yes, a gas boiler is a pressure vessel. When pressure gets too high, the boiler will lower this by releasing water through the pressure relief valve. The installer of the boiler should have attached proper drainage.

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What is the difference between a boiler and a gas boiler? Verified

A boiler heats the water before you want to use it. A gas boiler heats the water at the moment that it is needed. This means that with a regular boiler, you can run out of warm water when the reservoir is empty.

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