Bosch Worcester GR8700iW 35 SB NG Manuals

Manuals and User Guides for Bosch Worcester GR8700iW 35 SB NG. We have 1 Bosch Worcester GR8700iW 35 SB NG manual available for free PDF download: Installation And Maintenance Instructions Manual

Bosch Worcester GR8700iW 35 SB NG Installation And Maintenance Instructions Manual

Bosch Worcester GR8700iW 35 SB NG Installation And Maintenance Instructions Manual (80 pages)

Gas fired condensing system boiler

Brand: Bosch | Category: Boiler | Size: 23 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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