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ZWB 7-25 HE combi
Worcester ZWB 7-25 HE combi Manuals
Manuals and User Guides for Worcester ZWB 7-25 HE combi. We have
2
Worcester ZWB 7-25 HE combi 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: 5.66 MB
Table of Contents
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
Mechanical Settings
27
Checking the Size of the Expansion Vessel
27
Setting the Central Heating Flow Temperature
27
Changing the Heating Pump Characteristic
27
Settings on the Bosch Heatronic
28
Operating the Bosch Heatronic
28
Selecting the Pump Control Mode for Central Heating Mode (Service Function 2.2)
28
Setting the Anti-Cycle Time (Service Function 2.4)
28
Setting the Maxim CH Flow Temperature (Service Function 2.5)
29
Setting the Switching Difference (Service Function 2.6)
29
Setting the Heating Output (Service Function 5.0)
29
Constant Hot Water Cycle Time (Service Function 6.8)
29
Setting the Gas/Air Ratio
29
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
Preparation
59
Switching the Appliance On/Off
61
Switching on the Central Heating
62
Controlling Central Heating
62
R 25 & 30 Boilers: Setting the Hot Water Temperature
63
Summer Mode, Hot Water Only (R 25 & 30 Appliances)
64
Frost Protection (R 25 & 30 Appliances)
64
Fault Condition
65
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
Connecting the Appliance
94
Connecting TR2 Room Thermostat
95
Mains Voltage External Controls Connections
95
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
Checking the Size of the Expansion Vessel
105
Mechanical Settings
105
Setting the Central Heating Flow Temperature
105
General Description
105
Settings on the Bosch Heatronic
105
Setting the Anti-Cycle Time (Service Function 2.4)
106
Setting the Maximum CH Flow Temperature (Service Function 2.5)
106
Setting the Heating Output (Service Function 5.0)
106
Constant Hot Water Cycle Time (Service Function 6.8)
106
Variable Pump Settings
106
(Service Function 7.0) Setting the Gas/Air Ratio
106
Testing Combustion Air/Flue Gas at Set
108
Or CO 2 Level in the 8.2.2 Testing CO and CO
108
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
Standard Display
129
Displaying Service Functions
129
Setting Service Functions
129
Resetting Service Functions to Factory Settings
129
Resetting Service Functions 0.0 to 4.9 to Their Factory Settings (Reset 1)
129
Resetting Service Functions 0.0 to 9.9 to the Factory Setting (Reset 2)
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
Loose or Broken Contact on Heat Store NTC Sensor
163
Specified CH Flow Temperature from TA
164
Programmer Faults
165
Set Room Temperature Not Reached
166
Set Room Temperature Exceeded by Large Amount
167
Temperature Rises Instead of Falling
167
Room Temperature too High in Economy Mode
167
Incorrect or no Modulation
167
Heat Store Fails to Heat up
168
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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: 0.37 MB
Table of Contents
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
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