Bosch Worcester GR8700iW 30 S NG Manuals

Manuals and User Guides for Bosch Worcester GR8700iW 30 S NG. We have 1 Bosch Worcester GR8700iW 30 S NG manual available for free PDF download: Installation And Maintenance Instructions Manual

Bosch Worcester GR8700iW 30 S NG Installation And Maintenance Instructions Manual

Bosch Worcester GR8700iW 30 S NG Installation And Maintenance Instructions Manual (80 pages)

Gas fired condensing system boiler

Brand: Bosch | Category: Boiler | Size: 23.09 MB

Table of Contents

Table of Contents
2
1 Explanation of Symbols and Safety Instructions

3
2 Regulations

6
3 Product Information

6
4 Pre-Installation

11
- System Preparation
  11
- Artificially Softened Water
  11
- Water Systems and Pipe Work
  11
- System Layouts Examples
  12
- System Fill
  13
- Mains Supply
  14
- Electrical Supply
  14
- Gas Supply
  14
- Appliance Location and Clearances
  14
- Appliance Location
  14
- Rooms Containing a Bath or Shower
  15
- Appliance Clearances
  15
- Flue Systems Considerations
  16
- Flue Length
  16
- Flue Options
  17
- Plume Management System
  19
- Flue Terminal Positions
  19
- Plume Re-Direct and Plume Management Terminal
  22
  - Positions
    22
- Condensate Discharge
  24
- Appliance Siphonic Condensate Trap
  24
- Condensate Pipe Work
  24
- Internal Connections
  25
- External Connections
  25
- Pressure Relief Discharge
  27
- Pressure Relief Pipe Work
  27
- Alternative PRV Connections - Combined PRV
  28
  - Condensate
    28
- Cleaning Primary Systems
  28
- Flushing the System
  29
5 Installation

29
- Position the Appliance
  31
- Mounting Frame Fixing
  31
- Appliance Connections
  32
- Hanging the Appliance
  33
- Flue Turret/Adaptor Installation
  35
  - Electrical Connection
    36
- Installer Connections
  36
- Cable Preparations
  38
- External Controls - Domestic Installations
  38
6 Commissioning

39
- Pre-Commissioning Checks
  39
- Water Treatment
  39
- Filling the Appliance and Adding Inhibitor
  39
  - System
    40
- Starting the Appliance
  40
- Control Panel Overview
  40
- Turn on the Appliance
  40
- Siphon Filling Mode
  40
- Chimney Sweep Mode
  41
- Parameters When Optional Integral Diverter Valve Kit Is Fitted
  41
- Checking Gas Inlet Pressure
  42
- Checking the Gas Supply Pressure
  42
- Checking the Gas Rate
  43
- Checking for Gas Leaks During Operation
  43
- CO and Combustion Check
  43
- Checking Flue Integrity
  44
- Flue Gas Analysis
  45
- Finishing Commissioning
  45
- 6.12.1 Fitting the Combustion Casing
  45
- Fitting the Appliance Casing
  46
- 6.12.3 Appliance/Product Guarantee
  47
7 Settings in the Service Menu

47
- Operating the Service Menu
  47
- Service Menu
  48
- Overview of the Service Menu
  48
- Benchmark and Info Menu
  50
- Settings Menu
  51
- Function Check Menu
  54
- Reset Menu
  54
- Thermal Disinfection
  54
8 Inspection and Maintenance

55
- Inspection and Maintenance Considerations
  55
- Resources for Inspection and Maintenance
  55
- Inspection and Maintenance Steps
  55
- Component Access
  56
- Fan Pressure Test
  56
- Check Working Gas Inlet Pressure
  57
- Flue Gas Analysis
  57
- Checking the Flue Integrity
  57
- Cleaning the Siphon and Heat Exchanger
  57
- Checking the Burner
  58
- Checking the Non-Return Valve in the Air-Gas
  58
  - Manifold
    58
- Fan Removal
  59
- Cleaning the Heat Exchanger
  59
- Checking Electrodes
  61
- Cleaning the Siphon
  61
- Setting the Air/Gas Ratio
  62
- Checking And, if Required, Adjusting the Gas/Air
  63
- Ratio
  63
9 Replacement Parts

64
10 Fault Finding and Diagnosis

67
11 Environmental Protection and Disposal

69
12 Technical Specifications/Logs

70
- Technical Data
  70
- 12.1.1 Specifications System
  70
- Ionisation Current
  71
- Component Resistance Characteristics
  71
- 12.3.1 Sensor Values
  71
- Code Plug
  71
- Pump Characteristic Map of the Heating Pump
  71
- Setting Values for Central Heating/Dhw Output
  72
- Electrical Wiring
  73
- Gas Boiler System Commissioning Checklist
  75
- Inspection and Maintenance Checklist
  76
- 12.10 Service Record
  77

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