CONTENTS | SPECIAL INFORMATION SPECIAL INFORMATION SPECIAL INFORMATION OPERATION General information ��������������������������������������� 19 - The appliance may be used by children aged 8 Safety instructions ���������������������������������������������� 19 and up and persons with reduced physical, sen- Other symbols in this documentation ���������������������� 19 sory or mental capabilities or a lack of experience Units of measurement �����������������������������������������...
OPERATION General information OPERATION Other symbols in this documentation Note General information is identified by the symbol shown on the left. General information f Read these texts carefully. The chapter “Operation” is intended for appliance users and heat- ing contractors. Symbol Meaning The chapter “Installation”...
OPERATION Appliance description Test symbols Operation See type plate on the appliance. The heating system of the appliance starts automatically and heats the water as soon as you open the DHW valve at the tap. Country-specific approvals and certifications: Germany Setting the DHW temperature A general test certificate [Germany] as verification of suitability regarding noise emissions has been issued for this appliance.
INSTALLATION Safety INSTALLATION Plug G ½ A These plugs are required if you use pressure-tested taps for fin- ished walls other than the ones recommended by us. Installation sets for installation on finished walls Safety - Solder fitting - copper pipe for solder connection Ø 12 mm. Only a qualified contractor should carry out installation.
INSTALLATION Installation Flow pressure Oversink installation If the minimum flow rate required for the appliance to switch on is not achieved even with the tap fully open. remove the flow limiter. Replace it with the plastic profile washer supplied. If required the pressure in the water installation can also be raised.
Page 7
INSTALLATION Installation f Press the two locking hooks and remove the lower part of the back panel towards the front. 1 DHW tee 2 Cross-piece f Secure the tee and cross-piece, with a flat gasket each, to the twin nipples. Fitting the strainer Material damage The strainer must be fitted for the appliance to function.
Page 8
INSTALLATION Installation Installing the appliance f Fit the pipes with flat gaskets onto the twin nipples. Connecting the power supply WARNING Electrocution Carry out all electrical connection and installation work in accordance with relevant regulations. WARNING Electrocution Connection to the power supply is only permissible in the form of a permanent connection in conjunction with the removable cable grommet.
INSTALLATION Installation 10.1 Completing the installation Conductor cross-sections for power supply from below If cables with a large cross-section are used. the cable grommet can be fitted after the appliance has been installed. f Fit the lower part of the back panel. Ensure that it clicks into place.
Page 10
INSTALLATION Installation f Fit the water plugs with gaskets to seal the connection below f Insert the connection pieces from behind into the lower part the plaster. With twin-lever pressure-tested taps. the plugs of the back panel. and gaskets are part of the standard delivery. For pressure- f Click the lower part of the back panel into place.
INSTALLATION Commissioning f Adjust the wall clearance and lock the back panel with the 11.2 Recommissioning fixing toggle by turning it clockwise through 90°. Material damage 11. Commissioning Following an interruption of the water supply. recommis- sion the appliance by carrying out the following steps. in order to prevent the destruction of the bare wire heating WARNING Electrocution system.
INSTALLATION Troubleshooting 13. Troubleshooting WARNING Electrocution In order to check the appliance. it must be supplied with power. 13.1 Display options for LED diagnostic traffic light Possible indications Illuminates in case of faults Yellow Illuminates in heating mode Green Flashing: appliance is supplied with mains power 13.2 Fault table Fault / diagnostic traffic light LED display Cause...
INSTALLATION Maintenance 14. Maintenance 15.2 Wiring diagram 3/PE ~ 380 - 415 V WARNING Electrocution Before any work on the appliance. disconnect all poles from the power supply. Draining the appliance You can drain the appliance for maintenance work or to protect it from frost.
INSTALLATION Specification 15.3 DHW output 15.4 Application areas / conversion table The DHW output is subject to the mains voltage, the appliance’s Specific electrical resistance and specific electrical conductivity connected load and the cold water inlet temperature. The rated (see chapter “Installation / Specification / Data table”). voltage and rated output can be found on the type plate (see Standard specification chapter “Operation / Troubleshooting”).
INSTALLATION Specification 15.7 Details on energy consumption Product data complies with EU regulations relating to the Directive on the ecodesign of energy related products (ErP). HDB-E 12 Si HDB-E 18 Si HDB-E 21 Si HDB-E 24 Si 232003 232004 232005...
GUARANTEE | ENVIRONMENT AND RECYCLING Guarantee The guarantee conditions of our German companies do not apply to appliances acquired outside of Germany. In countries where our subsidiaries sell our products a guarantee can only be issued by those subsidiaries. Such guarantee is only grant- ed if the subsidiary has issued its own terms of guarantee.
Need help?
Do you have a question about the HDB-E 12 Si and is the answer not in the manual?
Questions and answers