Bosch Therm 4300 Series - Table of Contents

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Table of contents
Therm 4300 – 6 720 821 607 (2018/01)
Table of contents
1 Key to symbols and safety instructions ........... 3
1.1 Key to symbols ............................................... 3
1.2 Safety information .......................................... 3
2 Technical Characteristics and Dimensions ...... 6
2.1 Type overview ................................................ 6
2.2 Material attached ............................................ 6
2.3 Type plate ..................................................... 6
2.4 Description of appliance .................................. 6
2.5 Accessory (not supplied with the appliance) ....... 6
2.6 Dimensions .................................................... 7
2.7 Electrical diagram ........................................... 8
2.8 Function ........................................................ 8
2.9 Technical Data ............................................... 9
3Use ............................................................ 10
3.1 Digital display - description ............................ 10
3.2 Before starting up the heater .......................... 10
3.3 Turning the heater on and off .......................... 10
3.4 Water flow ................................................... 10
3.5 Power adjustment ......................................... 11
3.6 Temperature/flow adjustment ........................ 11
4Regulations ................................................ 11
5 Installation (must be carried out only by 
qualified technicians) .................................. 11
5.1 Important information ................................... 12
5.2 Selection of location for installation ................. 12
5.3 Fixing the appliance ...................................... 13
5.4 Water connection ......................................... 13
5.5 Hydrogenerator operation .............................. 13
5.6 Gas connection ............................................ 13
5.7 Commissioning ............................................ 14
6 Adjustments (must be carried out only by
qualified technicians) .................................. 14
6.1 Factory regulations ....................................... 14
6.2 Pressure regulation ....................................... 15
6.3 Conversion to a different type of gas ................ 15
7 Maintenance (must be carried out only by
qualified technicians) .................................. 16
7.1 Periodic maintenance tasks ............................ 16
7.2 Startup after maintenance work ...................... 16
7.3 Heater purge ................................................ 16
7.4 Flue gas safety device .................................... 16
7.5 Safe operation/ risk for prolonged use .............. 17
8Problems .................................................... 18
8.1 Problem/cause/solution ................................. 18
9 Environment / disposal ................................ 19
10 Warranty Terms . . . . . . . . . . . . . . . . . . . . . . . . . 19