Manual Worcester-Bosch Greenstar 2000 - GR2300iW C (page 3 of 20) (English)

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Table of contents

Greenstar 2000 – 6 721 820 553 (2020/01)

Table of contents 1 Explanation of symbols and safety instructions

1.1 Explanation of symbols

Warnings

In warnings, signal words at the beginning of a warning are used to

indicate the type and seriousness of the ensuing risk if measures for

minimizing danger are not taken.

The following signal words are defined and can be used in this document:

DANGER:

DANGER indicates that severe or life-threatening personal injury will

occur.

WARNING:

WARNING indicates that severe to life-threatening personal injury may

occur.

CAUTION:

CAUTION indicates that minor to medium personal injury may occur.

NOTICE:

NOTICE indicates that material damage may occur.

Important information

The info symbol indicates important information where there is no risk to

people or property.

Additional symbols

Table 1

1 Explanation of symbols and safety instructions . . . . . . . . . . . 3

1.1 Explanation of symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2 General safety instructions . . . . . . . . . . . . . . . . . . . . . . . 4

2 Product Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.1 Appliance identification and serial number . . . . . . . . . . 5

2.2 Servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.3 Maintaining your appliance . . . . . . . . . . . . . . . . . . . . . . . 6

2.4 Benchmark standard . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3 Prepare for operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.1 Sealed heating system . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.1.1 Checking the system pressure. . . . . . . . . . . . . . . . . . . . . 6

3.1.2 Low pressure indication . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.1.3 Constantly re-pressurising the system . . . . . . . . . . . . . . 6

3.2 Topping up the system pressure . . . . . . . . . . . . . . . . . . . 7

4 Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4.1 Switching on/off the appliance . . . . . . . . . . . . . . . . . . . . 8

4.2 Control panel overview . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4.3 Screen display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.4 Setting the flow temperature. . . . . . . . . . . . . . . . . . . . . . 9

4.5 Setting the DHW heating . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.5.1 Set DHW temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.5.2 Setting comfort mode or ECO mode . . . . . . . . . . . . . . . . 9

4.6 Setting summer mode . . . . . . . . . . . . . . . . . . . . . . . . . .10

4.7 Manual mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

5 Key (accessories) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

5.1 Key LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

6 Shutdown. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

6.1 Setting frost protection . . . . . . . . . . . . . . . . . . . . . . . . .11

7 Clearances and ventilation information . . . . . . . . . . . . . . . . .11

7.1 Appliance clearances . . . . . . . . . . . . . . . . . . . . . . . . . . .11

7.2 Ventilation information. . . . . . . . . . . . . . . . . . . . . . . . . .12

8 Malfunction or failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

8.1 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

8.2 Extreme cold weather . . . . . . . . . . . . . . . . . . . . . . . . . .14

9 Environmental protection and disposal . . . . . . . . . . . . . . . . .14

10 Tips on energy saving. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

11 Your guarantee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

12 Energy consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

12.1 Product data on energy consumption . . . . . . . . . . . . . .16

13 Data Protection Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Symbol Meaning

▶ a step in an action sequence

 a reference to a related part in the document

• a list entry

– a list entry (second level)

I had a Worcester Greenstar 24i boiler replaced. The installers fitted a replacement boiler Worcester Greenstar 2000 GR2300iW C. The output heat is 20KW.
I need advice is this boiler as I think a lower output heat than my old one. Submitted on 20-10-2021 at 00:18
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Worcester-Bosch Greenstar 2000 - GR2300iW C Manual

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