Worcester benchmark ZWB 7-25 R 25 HE Manuals

Worcester benchmark ZWB 7-25 R 25 HE Manuals

Manuals and User Guides for Worcester benchmark ZWB 7-25 R 25 HE. We have 1 Worcester benchmark ZWB 7-25 R 25 HE manual available for free PDF download: Design, Installation And Servicing Instructions

Worcester benchmark ZWB 7-25 R 25 HE Design, Installation And Servicing Instructions

Worcester benchmark ZWB 7-25 R 25 HE Design, Installation And Servicing Instructions (72 pages)

Brand: Worcester | Category: Boiler | Size: 2.59 MB

Table of Contents

Section 1

2
- Table of Contents
  2
- Safety Precautions
  3
- Symbols
  3
- Details of the Appliance
  4
- EC Declaration of Conformity
  4
- Standard Package
  4
- Description of Appliance
  4
- Accessories
  5
- Casing Dimensions
  5
- Layout of Appliance
  6
- Function
  7
- Electrical Wiring Diagram
  8
- Technical Data
  9
- Installation Regulations
  11
- Installation
  12
- Important Remarks
  12
- Domestic Hot Water
  12
- Sealed Systems
  12
- Siting the Appliance
  13
- Wall Mounting Frame Assembly
  14
- Pre-Piping the System
  14
- Fitting the Appliance
  15
- Checking the Connections
  16
- Flue Systems
  16
- Siting the Flue Terminal
  17
- Installation of the Flue
  18
- Flue Duct Preparation and Assembly
  19
- Electrical Connections
  21
- Connecting the Appliance
  21
- Mains Voltage External Controls Connections
  22
- Commissioning
  23
- Switching the Appliance On/Off
  24
- Switching on the Central Heating
  24
- System Controls
  24
- Pump Anti-Seize Function
  25
- Frost Protection
  25
- Hot Water Flow Rate
  25
- Summer Mode (Hot Water Only)
  25
- Domestic Hot Water Temperature
  25
- Setting the Domestic Hot Water Temperature and
  25
- Fault Condition
  26
- Individual Settings
  27
- Mechanical Settings
  27
- Checking the Size of the Expansion Vessel
  27
- Setting the Central Heating Flow Temperature
  27
- Changing the Heating Pump Characteristic
  27
- Setting the Heating Output (Service Function 5.0)
  28
- Setting the Switching Difference (Service Function 2.6)
  28
- Setting the Maximum CH Flow Temperature (Service Function 2.5)
  28
- Setting the Anti-Cycle Time (Service Function 2.4)
  28
- Operating the Bosch Heatronic
  28
- Settings on the Bosch Heatronic
  28
- Constant Hot Water Cycle Time (Service Function 6.8)
  29
- Setting the Gas/Air Ratio
  29
- Converting the Appliance to Different Gas Types
  30
- Setting the Gas/Air Ratio
  30
- Testing Combustion Air/Flue Gas at Set Heat Output
  32
- Testing CO and CO2
  32
- Maintenance
  33
- Pre-Service Check List
  34
- Description of Servicing Operations
  35
- Replacement of Parts
  38
- PCB Control Board and Transformer
  38
- Fan Assembly
  39
- Pump
  39
- Diverter Valve
  40
- Diverter Valve Motor
  40
- Sensors
  40
- Gas Valve
  41
- Domestic Hot Water Heat Exchanger
  41
- Electrode Assembly
  41
- Appendix
  43
- Fault Codes
  43
- Short Parts List
  44
- Heating/Hot Water Output Settings (N.G)
  45
- Heating/Hot Water Output Settings (L
  45
- Operational Flow Diagrams
  46
- Domestic Hot Water Function
  46
- Central Heating Function
  47
Section 2

50
- Excellence Comes as Standard
  51
- Safety Precautions
  52
- General Notes
  53
- Controls
  57
- Operating the Appliance
  58
- Preparation
  58
- Switching the Appliance On/Off
  60
- Controlling Central Heating
  61
- R 25 & 30 Boilers: Setting the Hot Water Temperature
  61
- Switching on the Central Heating
  61
- Summer Mode, Hot Water Only (R 25 & 30 Appliances)
  63
- Fault Condition
  64
- Frost Protection (R 25 & 30 Appliances)
  64
- Tips on Saving Energy
  65
- General Information
  67
- Maintaining Your Appliance
  67
- Service
  68
- Fault or Breakdown
  69
- Your Guarantee
  70
- Guarantee Registration
  71

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