Worcester GB162-50 Bedienungsanleitung

Worcester Kessel & Heizkessel GB162-50

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UK/IE

User instructions

Wall hung gas-fired condensing boiler

Worcester Commercial Boiler Series

GB162-50/65/80/100

6 720 648 726-000.1TD

For central heating systems and indirect fed domestic hot water

6720813172 (2015/04)

preface

6720813172 (2015/04)2

preface

Please read these instructions carefully

These instructions are applicable to the Worcester, Bosch Group boiler

model stated on the front cover only.

These instructions apply in the UK/IE only and must be followed except

for any statutory obligation.

After installation please leave this User instruction Manual, Installation,

Commissioning and Servicing Instructions and completed Benchmark

Checklist with the user.

Dedicated to heating comfort

Thank you for purchasing a Worcester GB162 gas-fired condensing

boiler manufactured by Worcester, Bosch Group. The company prides

itself on manufacturing boilers to the strictest quality control standards

throughout every stage of production.

Worcester, Bosch group has led the field in innovative boiler design and

performance for over 50 years. This heritage means all our products are

of exceptional quality and proven reliability.

The Worcester commercial range in particular is extremely energy

efficient, offering you economical running costs and value for money.

There is also the reassurance of our no-nonsense 2 years parts and

labour guarantee.

Contents

1 Key to symbols and safety instructions . . . . . . . . . . . . . . . . . . . 2

1.1 Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1.2 safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3 Energy efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

4 Overview of the BC10 basic controller . . . . . . . . . . . . . . . . . . . 4

5 Service Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

6 Maintaining your Boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

7 Explanation of the control unit . . . . . . . . . . . . . . . . . . . . . . . . . . 5

7.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

8 Operating the heating system . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

8.1 Menu structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

8.1.1 Normal Operation menu . . . . . . . . . . . . . . . . . . . . . . . . . . 6

8.1.2 Manual Operation menu . . . . . . . . . . . . . . . . . . . . . . . . . . 6

9 Extreme Cold Weather . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

10 Display information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

10.1 Display readings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

10.2 Display codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

10.2.1 Fault or Breakdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

10.3 Identifying and resetting faults . . . . . . . . . . . . . . . . . . . . 9

11 Tips on energy saving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

12 Environment / disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

13 Your Guarantee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 precautions

INTENDED USE

This boiler is only to be used to heat heating system water and for the

domestic hot water (DHW) supply e. g. in residential and light

commercial properties. It can also be integrated into a cascade system

(where several boilers are interconnected).

The boiler has been factory-fitted with the BC10 basic controller and the

“Universal Burner Automat 3” (UBA 3).

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

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 filed with the conformity - are

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 Prated kW 47 61 82 95

Seasonal space heating energy efficiency ηs% 93 92 – –

Energy efficiency class – – A A – –

Useful heat output

At rated heat output and high temperature regime 1)

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

P4kW 46.6 60.5 82.0 94.5

At 30 % of rated heat output and low temperature regime 2)

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).

P1kW 15.4 20.1 26.6 31.6

Useful efficiency

At rated heat output and high temperature regime 1) η4% 87.3 87.3 88.2 88.4

At 30 % of rated heat output and low temperature regime 2) η1% 97.3 97.3 97.3 98.3

Auxiliary electricity consumption

At full load elmax kW 0.045 0.073 0.100 0.145

At part load elmin kW 0.021 0.019 0.024 0.027

In standby mode PSB kW 0.008 0.004 0.008 0.008

Other items

Standby heat loss Pstby kW 0.085 0.082 0.082 0.082

Ignition burner power consumption Pign kW 0.000 0.000 0.000 0.000

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