User Manuals: Worcester ZWB 7-25 HE combi Gas Boiler

Manuals and User Guides for Worcester ZWB 7-25 HE combi Gas Boiler. We have 2 Worcester ZWB 7-25 HE combi Gas Boiler manuals available for free PDF download: Installation And Servicing Instructions, Users Instructions And Customer Care Manual

Worcester ZWB 7-25 HE combi Installation And Servicing Instructions (176 pages)

Wall mounted condensing boiler for central heating and mains fed domestic hot water

Brand: Worcester | Category: Boiler | Size: 5 MB

Table of Contents

2
- Safety Precautions
  
  3
- Symbols
  
  3
- 1 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 ZWB
    9
  - Technical Data ZWB 7/11-30
    10
- 2 Installation Regulations
  
  11
- 3 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
    20
- 4 Electrical Connections
  
  21
  - Connecting the Appliance
    21
  - Mains Voltage External Controls Connections
    22
- 5 Commissioning
  
  23
  - Switching the Appliance On/Off
    24
  - Switching on the Central Heating
    24
  - System Controls
    24
  - Setting the Domestic Hot Water Temperature and Flow Rate
    25
  - Domestic Hot Water Temperature
    25
  - Hot Water Flow Rate
    25
  - Summer Mode (Hot Water Only)
    25
  - Frost Protection
    25
  - Pump Anti-Seize Function
    25
  - Fault Condition
    26
- 6 Individual Settings
  
  27
- 7 Converting the Appliance to Different Gas Types
  
  30
  - Setting the Gas/Air Ratio
    30
  - Testing Combustion Air/Flue Gas at Set Heat Output
    31
- 8 Maintenance
  
  32
  - Testing CO and CO 2
    32
  - Pre-Service Check List
    33
  - Description of Servicing Operations
    34
  - Replacement of Parts
    37
  - PCB Control Board and Transformer
    37
  - Fan Assembly
    38
  - Pump
    39
  - 3-Way Diverter Valve
    39
  - 3-Way Diverter Valve Motor
    39
  - Sensors
    40
  - Gas Valve
    40
  - Domestic Hot Water Heat Exchanger
    41
  - Electrode Assembly
    41
  - Primary Heat Exchanger
    42
- 9 Appendix
  
  43
  - Fault Codes
    43
    
    Short Parts List
    44
  - Heating/Hot Water Output Settings
    45
    
    Zwb 7-25 N.g
    45
  - Heating/Hot Water Output Settings ZWB 11-25 L.P
    45
  - Heating/Hot Water Output Settings ZWB 7-30 N.G
    45
    
    Zwb 11-30 L.p
    45
  - Operational Flow Diagrams
    46
  - Domestic Hot Water Function
    46
  - Central Heating Function
    47
Table of Contents

50
- Excellence Comes as Standard
  51
- Safety Precautions
  53
- 1 General Notes
  
  55
- 2 Controls
  
  58
- 3 Operating the Appliance
  
  59
- 4 Tips on Saving Energy
  
  66
- 5 General Information
  
  67
- 6 Maintaining Your Appliance
  
  68
- 7 Service
  
  68
- 8 Fault or Breakdown
  
  69
- 9 Your Guarantee
  
  70
- 10 Guarantee Registration
  
  71
Table of Contents

74
- Symbols
  
  75
- Safety Precautions
  
  75
- 1 Details of the Appliance
  
  76
  - EC Declaration of Conformity
    76
  - Standard Package
    76
  - Description of Appliance
    76
  - Accessories
    77
  - Casing Dimensions
    77
  - Layout of Appliance
    78
  - Function
    79
  - Electrical Wiring Diagram
    80
  - Technical Data
    81
- 2 Installation Regulations
  
  83
- 3 Installation
  
  83
  - Important Remarks
    83
  - Domestic Hot Water
    84
  - Sealed Systems
    84
  - Siting the Appliance
    85
  - Wall Mounting Frame Assembly
    86
  - Pre-Piping the System
    86
  - Fitting the Appliance
    87
  - Checking the Connections
    88
  - Flue Systems
    89
  - Siting the Flue Terminal
    90
  - Installation of the Flue
    91
  - Flue Duct Preparation and Assembly
    93
- 4 Electrical Connections
  
  94
- 5 Commissioning
  
  96
  - Switching the Appliance On/Off
    97
  - Switching on the Central Heating
    97
  - System Controls
    97
  - Setting the Domestic Hot Water
    98
    
    Temperature and Flow Rate
    98
  - Domestic Hot Water Temperature
    98
  - Hot Water Flow Rate
    98
    
    Summer Mode (Hot Water Only)
    98
  - Frost Protection
    98
  - Pump Anti-Seize Function
    98
  - Fault Condition
    99
- 6 Text Display
  
  100
  - General Description
    100
  - Programming
    100
    
    Deleting a Setting
    101
  - Resetting All Parameters to Their Original Settings
    101
  - Menu Structure
    101
  - Setting the Time/Day
    102
  - Setting the Time and Day
    102
  - Holidays
    102
  - Heating
    102
    
    Heating Programme
    102
  - Setting the Economy Temperature (if TR2 Is Connected)
    102
    
    Manual Operating Mode (if TR2 Is Not Connected)
    103
  - Hot Water
    103
  - Hot Water Programme
    103
  - Hot Water Immediately
    103
  - Heating (if TR 2 Is Connected)
    104
  - Settings
    104
  - Hot Water (Storage Tank, ZSBR Models Only)
    104
  - Service
    104
    
    Individual Timer Programmes
    104
- 7 Individual Settings
  
  105
- 9 Maintenance
  
  110
  - Pre-Service Check List
    110
  - Description of Servicing Operations
    111
  - Replacement of Parts
    114
  - PCB Control Board and Transformer
    114
  - Fan Assembly
    115
  - Pump
    115
  - 3-Way Diverter Valve
    116
  - 3-Way Diverter Valve Motor
    116
  - Sensors
    116
  - Gas Valve
    117
  - Domestic Hot Water Heat Exchanger
    117
  - Electrode Assembly
    117
- 10 Appendix
  
  119
  - 10.1 Fault Codes
    119
  - 10.2 Short Parts List
    120
  - 10.3 Heating/Hot Water Output Settings
    121
    
    Zwbr 7-30 N.g
    121
    
    Zwbr 11-35 N.g
    121
    
    Zwbr 14-35 L.p.g
    121
  - 10.7 Operational Flow Diagrams
    122
  - 1Domestic Hot Water Function
    122
  - 2Central Heating Function
    123
Table of Contents

126
- Safety Precautions
  127
- Symbols
  127
- 1 Layout of Appliance (ZSBR/ZWBR)
  
  128
- 2 Operation
  
  129
- 3 Boiler Service Functions
  
  130
  - Explanation of Service Functions
    133
- 4 Rectifying Faults
  
  138
  - Boiler Failure Codes Indication
    138
  - On the Boiler
    138
  - On the Programmer (Optional Accessory)
    138
  - Appliance Faults
    138
  - Faults that Are Not Indicated on any Display
    138
Table of Contents

139
- How to Use the Fault Tables
  140
- Faults Indicated on Display
  141
- 5 Appendix
  142

Worcester ZWB 7-25 HE combi Users Instructions And Customer Care Manual (24 pages)

Greenstar HE combi Condensing boiler Greenstar HE system Condensing boiler

Brand: Worcester | Category: Boiler | Size: 0 MB

Table of Contents
2
Excellence Comes as Standard
3
Safety Precautions
4
General Notes
5
Controls
9
Operating the Appliance
10
Preparation
10
Switching the Appliance On/Off
12
Switching on the Central Heating
13
Controlling Central Heating
13
Combination Boilers: Setting the Hot Water Temperature
14
Summer Mode, Hot Water Only (Combi Appliances)
15
Frost Protection (Combi Appliances)
15
Fault Condition
16
Tips on Saving Energy
17
General Information
18
Maintaining Your Appliance
19
Service Centres
19
Fault or Breakdown
20
Your Bosch Guarantee
21
Guarantee Registration
22
Operating Instructions Quick Reference
23

Worcester Categories

Boiler Water Heater Thermostat Heat Pump Motherboard

More Worcester Manuals

User Manuals: Worcester ZWB 7-25 HE combi Gas Boiler

Worcester ZWB 7-25 HE combi Installation And Servicing Instructions (176 pages)

Table of Contents

Table of Contents

Safety Precautions

Symbols

1 Details of the Appliance

2 Installation Regulations

3 Installation

4 Electrical Connections

5 Commissioning

6 Individual Settings

7 Converting the Appliance to Different Gas Types

8 Maintenance

9 Appendix

Table of Contents

1 General Notes

2 Controls

3 Operating the Appliance

4 Tips on Saving Energy

5 General Information

6 Maintaining Your Appliance

7 Service

8 Fault or Breakdown

9 Your Guarantee

10 Guarantee Registration

Table of Contents

Symbols

Safety Precautions

1 Details of the Appliance

2 Installation Regulations

3 Installation

4 Electrical Connections

5 Commissioning

6 Text Display

7 Individual Settings

9 Maintenance

10 Appendix

Table of Contents

1 Layout of Appliance (ZSBR/ZWBR)

2 Operation

3 Boiler Service Functions

4 Rectifying Faults

Table of Contents

Worcester ZWB 7-25 HE combi Users Instructions And Customer Care Manual (24 pages)

Table of Contents

Related Products

Worcester Categories