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Table Of Contents - Bosch Optiflow Professional GWH12 Installation Manual

Room sealed gas continuous flow water heaters 1 ctd e23/31 f5 l
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2 | Index
Index
1
1.1
Key to symbols . . . . . . . . . . . . . . . . . . . . . . . 3
1.2
Safety Information . . . . . . . . . . . . . . . . . . . . . 3
2
Product details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1
Declaration of Conformity . . . . . . . . . . . . . . 5
2.2
Type overview . . . . . . . . . . . . . . . . . . . . . . . . 5
2.3
Included Items . . . . . . . . . . . . . . . . . . . . . . . . 5
2.4
Rating plate . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.5
Description of appliance . . . . . . . . . . . . . . . . 5
2.6
Accessory . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.7
2.8
Appliance layout . . . . . . . . . . . . . . . . . . . . . . 7
2.9
Electrical wiring diagram . . . . . . . . . . . . . . . 8
2.10
Specification . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.11
Flue accessories . . . . . . . . . . . . . . . . . . . . . 10
2.11.1 Selecting the Right Flue . . . . . . . . . . . . . . . 10
2.11.2 Vertical installation . . . . . . . . . . . . . . . . . . . 12
2.11.3 Horizontal installation . . . . . . . . . . . . . . . . . 12
3
Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4
4.1
Important information . . . . . . . . . . . . . . . . . 12
4.2
Choice of installation site . . . . . . . . . . . . . . 13
4.2.1
site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.2.2
4.3
Minimum clearances . . . . . . . . . . . . . . . . . . 13
4.4
Fitting hanging-plate . . . . . . . . . . . . . . . . . . 14
4.5
Installing the appliance . . . . . . . . . . . . . . . . 14
4.6
Water connection . . . . . . . . . . . . . . . . . . . . 14
4.7
Gas connection . . . . . . . . . . . . . . . . . . . . . . 14
4.8
Installation of flue accessories . . . . . . . . . . 15
4.9
Altitude of installation site . . . . . . . . . . . . . 15
4.10
technicians) . . . . . . . . . . . . . . . . . . . . . . . . 16
4.10.1 Connecting the power cable . . . . . . . . . . . . 16
4.11
4.12
4.13
6 720 810 560 (2016/06)
5
Regulating the gas (only for authorised
technicians) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
5.1
Factory settings . . . . . . . . . . . . . . . . . . . . . . 17
5.2
Service function . . . . . . . . . . . . . . . . . . . . . 17
5.3
Adjusting the appliance . . . . . . . . . . . . . . . 17
5.3.1
Access to the test points . . . . . . . . . . . . . . . 17
5.3.2
(Parameter P1) . . . . . . . . . . . . . . . . . . . . . .17
5.3.3
(Parameter P2) . . . . . . . . . . . . . . . . . . . . . .18
5.3.4
(Parameter P0) . . . . . . . . . . . . . . . . . . . . . .18
5.4
Factory default settings . . . . . . . . . . . . . . . 19
6
Maintenance (only by authorised service
technician) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
6.1
To remove the front panel . . . . . . . . . . . . . 19
6.2
Periodic maintenance . . . . . . . . . . . . . . . . . 20
6.3
control unit) . . . . . . . . . . . . . . . . . . . . . . . . .20
6.4
6.5
7
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8
Environmental considerations . . . . . . . . . . . . . . . . 23
9
Water quality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
10
Warranty details . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
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