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Summary of Contents for Steibel Eltron DEL 18 AU
- Page 1 OPERATION AND INSTALLATION Fully electronically controlled comfort instantaneous water heater » DEL 18 AU » DEL 27 AU Tmax...
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Page 2: Table Of Contents
CONTENTS | SPECIAL INFORMATION SPECIAL INFORMATION SPECIAL INFORMATION OPERATION General information �����������������������������������������3 Safety instructions ����������������������������������������������� 3 - The appliance may be used by children aged 3 Other symbols in this documentation ����������������������� 3 and older and persons with reduced physical, Units of measurement ������������������������������������������ 3 sensory or mental capabilities or a lack of ex- Safety ����������������������������������������������������������3 perience and know-how, provided that they... -
Page 3: General Information
OPERATION General information OPERATION Other symbols in this documentation Note Notes are bordered by horizontal lines above and below the text. General information is identified by the adjacent General information symbol. f Read these texts carefully. The chapter "Operation" is intended for appliance users and qual- ified contractors. -
Page 4: Test Symbols
OPERATION Appliance description Heating system WARNING Injury The appliance may be used by children aged 3 and older The heating system is suitable for hard and soft water areas and and persons with reduced physical, sensory or mental is largely insusceptible to scale build-up. This heating system en- capabilities or a lack of experience and know-how, pro- sures rapid and efficient DHW availability. -
Page 5: Temperature Limit (Childproofing)
OPERATION Settings and displays Setting the temperature Enabling the temperature limit (childproofing) f Press and hold the Tmax key for > 6 seconds. The set value display flashes and the current temperature limit is shown. f The value for the temperature limit can be changed while the display is flashing. -
Page 6: Cleaning, Care And Maintenance
OPERATION Cleaning, care and maintenance Following an interruption to the water supply Material losses Following an interruption of the water supply the appli- ance must be recommissioned by carrying out the follow- ing steps, in order to prevent the destruction of the bare wire heating system. -
Page 7: Installation
INSTALLATION Safety INSTALLATION - The specific electrical resistivity of the water must not fall below that stated on the type plate. In a linked water net- work, factor in the lowest electrical resistance of the water (see chapter "Specification / Application areas"). Your water supply utility will advise you of the specific electrical water Safety resistivity or conductivity. -
Page 8: Installation Location
INSTALLATION Installation 10. Installation Flow rate f Ensure that the flow rate (see chapter "Specification / Data table", On) is sufficient for switching on the appliance. 10.1 Standard installation f Increase the mains water pressure if the required flow rate is - Electrical connection in the lower section of the appliance for not sufficient with an open draw-off valve. - Page 9 INSTALLATION Installation Note f Install the blue flow limiter (7.5 l/min) as standard. f Use the brown flow limiter (12 l/min) in the follow- ing instances: - With an increased cold water inlet temperature, e.g. in the case of water preheated by solar energy. - When using the appliance for showering.
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Page 10: Completing The Installation
INSTALLATION Installation f Screw the pre-assembled parts, tees with plugs/extensions and strainer, to the cold water and DHW pipes of the appli- f Fit the lower part of the back panel. Ensure the lower back ance (insert flat gaskets). panel clicks into place. f Align the mounted appliance by undoing the fixing toggle, Making the electrical connection aligning the power supply and back panel, and then re-tight-... -
Page 11: Alternative Installation Methods
INSTALLATION Installation 10.3 Alternative installation methods Large conductor cross-section for electrical connection from below - Electrical connection from above on unfinished walls If you use cables with a large cross-section, you can fit the cable - Electrical connection on finished walls grommet after the appliance has been installed. - Page 12 INSTALLATION Installation Wall mounting bracket when replacing an appliance An existing STIEBEL ELTRON wall mounting bracket may be used when replacing appliances (except the DHF instantaneous water heater), as long as the fixing screw is in the lower right position. Replacing a DHF instantaneous water heater 1 Tee for cold water 2 Tee for domestic hot water 3 Cap...
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Page 13: Commissioning
INSTALLATION Commissioning f Turn the appliance cover (not the appliance) and refit the 11.1 Initial start-up programming unit, ensuring that all locking hooks click into place. When clicking the locking hooks into place, make sure you press against the inner side of the appliance cover (shad- ed area). -
Page 14: Recommissioning
INSTALLATION Appliance shutdown 11.2 Recommissioning The spanner symbol is displayed in the event of a fault. f Activate customer service mode by pressing and holding See chapter "Settings and displays / Following an interruption to down both memory keys M1 and M2 for > 6 seconds. the water supply"... -
Page 15: Maintenance
INSTALLATION Maintenance LED diagnostic Fault Cause Remedy traffic light The outlet temperature sensor is faulty. Check the outlet temperature sensor and replace if required. The appliance has reached its output limit. Reduce the flow rate or install the flow limiter. The outlet temperature is approx. -
Page 16: Wiring Diagram
INSTALLATION Specification Alternative connection options 1 Control cable to the contactor of the 2nd appliance (e.g. elec- tric storage heater). 2 Control contact drops out when switching the instantaneous water heater on. 15.3 DHW output The DHW output is subject to the mains voltage, the connected load of the appliance and the cold water inlet temperature. -
Page 17: Fault Conditions
15.6 Fault conditions In the event of a fault, loads up to a maximum of 80 °C at a pres- sure of 1.0 MPa can occur temporarily in the installation. 15.7 Data table DEL 18 AU DEL 27 AU 233741 233742... - Page 18 GUARANTEE Who gives the warranty We will arrange a suitable time with you to inspect and test the unit. The warranty is given by Stiebel Eltron (Aust) Pty Ltd (A.B.N. 82 066 271 083) of 6 Prohasky Street, Port Melbourne, Victoria, 3207 Warranty exclusions (“we”, “us”...
- Page 19 NOTES www.stiebel-eltron.com DEL AU |...
- Page 20 Deutschland Verkauf Tel. 05531 702-110 | Fax 05531 702-95108 | info-center@stiebel-eltron.de STIEBEL ELTRON GmbH & Co. KG Kundendienst Tel. 05531 702-111 | Fax 05531 702-95890 | kundendienst@stiebel-eltron.de Dr.-Stiebel-Straße 33 | 37603 Holzminden Ersatzteilverkauf Tel. 05531 702-120 | Fax 05531 702-95335 | ersatzteile@stiebel-eltron.de Tel.
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