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Bosch Worcester Greenstar 8000 Series User Manual

Bosch Worcester Greenstar 8000 Series
80 pages
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6720883855 (2019/01) UK/IE
Installation and Maintenance Instructions
Gas fired condensing system boiler
Greenstar 8000 Style
GR8700iW 30 S | GR8700iW 35 S | GR8700iW 30 SB | GR8700iW 35 SB

Table of Contents

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Bosch Worcester Greenstar 8000 Series Specifications

General IconGeneral
TypeCombi, System, Regular
Efficiency Rating94%
Dimensions780mm x 440mm x 365mm
MountingWall-mounted
ErP efficiency ratingA
Modulation Range1:10
Fuel TypeNatural Gas
WarrantyUp to 12 years
Hot Water OutputSee product data sheet for specific model
Output Rating30kW to 50kW
Flow Rate10.8 l/min to 20.4 l/min

Summary

1 Explanation of symbols and safety instructions

1.2 General safety instructions

General precautions for installation, use, and safety.

4 Pre-Installation

4.3 Appliance location and clearances

Specifies where to install the appliance and required clearances.

4.4 Flue systems considerations

Discusses flue system types, lengths, and terminal positions.

4.5 Condensate discharge

Provides guidelines for safe and effective condensate drainage.

5 Installation

5.1 Position the appliance

Guidance on selecting the appliance location and mounting.

5.2 Appliance connections

Details how to connect the gas and hydraulic services to the appliance.

5.5 Electrical connection

6 Commissioning

6.1 Pre-Commissioning checks

Essential checks to perform before starting the commissioning process.

6.3 Starting the appliance

Steps for powering on the appliance and initial setup.

6.6 Checking gas inlet pressure

Procedures for checking and verifying gas supply pressure.

6.7 Checking the gas rate

How to measure and verify the appliance's gas consumption rate.

6.8 Checking for gas leaks during operation

Method for checking for gas leaks when the appliance is running.

6.9 CO and combustion check

Guidelines for performing mandatory combustion and flue integrity checks.

6.10 Checking flue integrity

Steps to verify the integrity of the flue system and appliance.

6.11 Flue gas analysis

Procedures for performing flue gas analysis for combustion checks.

6.12 Finishing commissioning

Steps to complete the commissioning process after checks.

7 Settings in the service menu

8 Inspection and maintenance

8.7 Flue gas analysis

Procedures for performing flue gas analysis for combustion checks.

8.10 Setting the air/gas ratio

How to check and adjust the air/gas ratio for optimal combustion.

10 Fault finding and diagnosis

10.1.2 Fault code table

Lists fault codes, categories, descriptions, and remedies.

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