6 720 607 845 (2015/05)
2 | Table of contents
Table of contents
1
Key to symbols and safety instructions . . . . . . . . . . 3
1.1
Key to symbols . . . . . . . . . . . . . . . . . . . . . . . 3
1.2
Safety Instructions . . . . . . . . . . . . . . . . . . . . 3
2
Technical Characteristics and Dimensions . . . . . . . 4
2.1
Category, Appliance type and Approval
number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2.2
Explanation of Model Code . . . . . . . . . . . . . . 4
2.3
Accessories (Included with Appliance) . . . . 4
2.4
Description of the heater . . . . . . . . . . . . . . . 4
2.5
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.6
Electrical diagram . . . . . . . . . . . . . . . . . . . . . 6
2.7
Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.8
Technical characteristics . . . . . . . . . . . . . . . 7
2.9
Product data on energy consumption . . . . . 8
3
Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1
Before starting up the heater . . . . . . . . . . . . 9
3.2
Turning the heater on and off . . . . . . . . . . . . 9
3.3
Water flow . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.4
Power adjustment . . . . . . . . . . . . . . . . . . . . 10
3.5
Temperature/flow adjustment . . . . . . . . . . 10
3.6
Purge the appliance . . . . . . . . . . . . . . . . . . 10
4
Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.1
Important information . . . . . . . . . . . . . . . . . 11
5.2
Selection of the place of installation . . . . . 11
5.3
Heater mounting . . . . . . . . . . . . . . . . . . . . . 12
5.4
Water connection . . . . . . . . . . . . . . . . . . . . 12
5.5
Hydrogenerator operation . . . . . . . . . . . . . 12
5.6
Gas connection . . . . . . . . . . . . . . . . . . . . . . 12
5.7
Inlet/exhaust pipe installation . . . . . . . . . . 13
5.8
Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6
Adjustments (must be carried out only by qualified
technicians) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.1
Factory regulations . . . . . . . . . . . . . . . . . . . 13
6.2
Conversion to a different type of gas . . . . . 13
7
Maintenance (must be carried out only by qualified
technicians) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7.1
Periodic maintenance work . . . . . . . . . . . . 14
7.2
Startup after maintenance work . . . . . . . . 14
7.3
Flue gas safety device . . . . . . . . . . . . . . . . . 14
8
Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
9
Environment / disposal . . . . . . . . . . . . . . . . . . . . . . . 16
Summary of Contents for WR8/11 G Series
Page 17: ...6 720 607 845 2015 05 17 Notes ...
Page 18: ...Bosch Thermotechnik GmbH Sophienstrasse 30 32 D 35576 Wetzlar www bosch thermotechnology com ...
Page 19: ...Bosch Thermotechnik GmbH Sophienstrasse 30 32 D 35576 Wetzlar www bosch thermotechnology com ...