Page 1
Please read the operating instructions before operating the appliance! Please observe the safety instructions in the operating instructions! The installation site must meet the requirements for sufficient ventilation! We suggest that the installation should be carried out by an authorized company Bosch!
Symbology ▶ Switch the appliance off. ▶ Open doors and windows. 1.1 Symbology ▶ Request a visit from an authorized service Bosch. Warnings Assembly, modifications ▶ The appliance's assembly, as well as the installation Warnings in this document are identified by a...
• Conversion kit of natural gas for LPG and LPG for natural Capacity (l/min) gas. The conversion to another type of gas should only be Electronic ignition powered by type LR20 batteries carried out by an authorized service BOSCH. (2x1.5V) [GN] Appliance set for natural gas H...
8 | Instructions regarding the appliance 2.10 Operation description Hot water This heater is equipped with electronic automatic ignition, thus its operation becomes simple. For such it is enough to: ▶ Open the gas and water shut-off valves and check the tightness of all the connections.
Instructions regarding the appliance | 9 2.11 Technical features Technical features Symbol Units W10 /WD10 Output Nominal input in standard conditions 11.8 Efficiency η 84.0 84.0 Data relating to the gas Supply pressure Natural gas H mbar L.P.G. (butane/propane) mbar 27.8 27.8 Consumption...
▶ The initial start-up of the heater must be 3.3 Switch on and off done by a company from the Authorized Service Bosch who will provide the user Switch on with all the information required for the ▶ To switch on place the ON/OFF switch in I position.
Use | 11 3.5 Temperature adjustment ▶ Turning counter clockwise. Increases the flow and decreases the temperature 6720643462-07.1V Fig. 7 Switch off Fig. 10 ▶ Turning clockwise. 3.4 Output adjustment Decreases the flow and increases the temperature Less hot water. 3.6 Bleeding of the appliance Decrease output.
In the event of the company Bosch. number of cylinders being minor than the consumption of ▶ See the table 8 to find solutions for possible...
Page 13
Installation (only by qualified technicians) | 13 • All of the heaters should obligatorily be connected in an airtight way to a flue gas duct of proper dimension. False ogive • Avoid change of direction. • The flue duct should: Flue pipe –...
14 | Installation (only by qualified technicians) 5.3 Fixing of the appliance 5.5 Gas connection To fix the appliance to the wall DANGER: ▶ Fix the appliance vertically, using the provided fixing Non-compliance with legal standards accessories. applicable may cause fire or explosion, causing material damage or personal injury or even death.
▶ Loosen the fixing screws from the chassis (Fig. 16). mbar. DANGER: The following operations described below should only be carried out by a company from the Authorized Service Bosch. 6.2 Conversion to another type of gas Only use the original conversion sets. 6720643462-14.1V The conversion should only be carried out by a company from the Authorized ServiceBosch.
▶ Check that there are no leaks. ▶ After 10 minutes, operate the appliance again. If it reoccurs, an authorized company should be contacted 7.1 Periodic maintenance works Bosch. Functional check ▶ Check the proper operation of all the safety, regulation and verification elements.
Page 17
Maintenance (only by qualified technicians) | 17 Checking its operation: To check the proper operation of the combustion gas control device, proceed as follows: ▶ Remove the combustion gas duct. ▶ Replace it with a duct (with approximately 50cm) obstructed at the end. ▶...
18 | Problems Problems The installation, maintenance or repair should only be carried out by an authorized service BOSCH. The following table describes the solutions for possible problems (solutions followed by * must only be carried out by an authorized service BOSCH).
Environmental protection | 19 Environmental protection The environmental protection is one of the principles of the group Bosch. We develop and produce products that are safe, environmentally friendly and economic. Our products contribute for the improvement of the safety and...