150512_096SD DHC(EL)user manual En
Contents
1. 5 39 6 Safety device ELCB ELCB 4 Regulations and Provisions 5 Important notes Regulations of the local power Make sure the data on the unit rating supply company should be plate is current observed Install the unit so that it is flush with Regulations of the water supply the wall company should be observed Material for the water installation Read amp study the technical data Steel copper or plastic piping Install the unit vertically on the systems If plastic piping systems are wall being used the following instructions Electrical connection to be are to be respected secured Temperature max 60 C Pressure max 10 bar The device must be capable of being isolated from the mains The unit must be connected to for example by fuses with an isolating the protective earth conductor distance of at least 3 5 mm in all poles see electric circuit diagram STIEBEL ELTRON Operation Instruction for the user and the qualified installer 6 Installation location A damp cloth is sufficient to clean the unit Do not use any foaming or abrasive The instantaneous water heater cleaning agents should be installed in an enclosed frost free area if possible close to the A Maintenance work may only be drawing off point when dismantled the carried out by a qualified installer unit is to be stored in a place not subject to frost because there will always be some When carrying out any work resi2. diagram and fasten the screws to secure the wires tightly Please en sure that the correct size of wire is used STIEBEL ELTRON Installation Instruction forthe qualified installer Connecting Water Pipes concealed connection Connecting the water heater to a wall em bedded water pipe Connect the nipple joints Fig 18 B to the cold water inlet pipe and the hot water outlet pipe embedded in the wall at an appropriate position and depth please pay attention to the distances shown in the dia gram Screw the joints on the unit Fig 18 A to the joints both hot and cold water using a rubber leakage gasket Fig 18 C between the joints STIEBEL ELTRON e A TA l ard za Installing Water Heater wall mounted Connecting the water heater to a wall mounted water pipe Connect the prepared water pipe to the pre assembled nipple joint Screw the joints on the unit Fig 19 A to the pipe both hot and cold water using a rubber leakage gasket Fig 16 B between the joints The cold water pipe must be turned on in order to rinse it before installation Pressure resistant equipment must be used in compliance with accepted standards 15 Installation Instruction for the qualified installer Install the cover Connect the power After installation is complete close cord between the circuit board and the cover the casing and screw in tightly 16 esses STIEBEL ELTR
3. ON Size A5 Material Green read paper 75 g Plastic bag 7 x 11 INCH Part no 7901 293468 Part name OPERATING INSTRUCTION DHC EC Th En Rev 02 Product code DHC 6 EL 232209 DHC 6 EC 231279 DHC 8 EL 232210 DHC 8 EC 231280 DHC 10 EL 232211
4. STIEBEL ELTRON DHC 6 EL 6EC 8EL 8EC 10EL English Instantaneous water heater Operation and installation instructions This water heater must be installed water and electrical installation commissioned and serviced by approved service technicians in accordance with these instructions General information The chapter Operation is intended for users and qualified installers The chapter Installation is intended for qualified installers Read these instruction carefully before using the appliance and retain them for future reference If the appliance is passed on the third party please hand these instructions to the new user This appliance is not AN intended for use by persons including children with reduced physical sensory or men tal capabilities or lack of experi ence and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appliance STIEBEL ELTRON Operation Instruction forthe user and the qualified installer 1 Operation and installation temperature of 40 C instruction Level ee heats the water toa medium temperature 1 1Description of the unit of 50 C The DHC_EC EL fully electronic instanta neous water heater heat the water while it is flowing through the unit The indicator light will show when the heater is in opera
5. Type EC only which should be test a monthly How to use the ELCB Before operating the water heater Turn the ELCB Reset knob d at the side of the heater to start operation How to test the ELCB Turn the ELCB Test knob c at the side of the unit ELCB Reset d will cease to function Please note that the indicator light at the front of the unit will turn off Then turn the ELCB Reset knob d to start operate again Warning If the unit does not operate even pressing the Reset knob contact Stiebel service for a check and repair 1 4 1 This model features an automatic cutoff device that functions when the water temperature is unusually high In the event that the thermostat cut off from operating please refrain from taking any action Please contact the Stiebel Eltron Service Center for further inspections and repairs to be made ELCB Knob Positioning STIEBEL ELTRON Operation Instruction forthe user and the qualified installer 2 First Operation The water heater should first be operated by an expert technician only Before turning on the water heater to start operation turn the ELCB Reset knob to the off posi tion and open all of water valves fully at every point so that water is able to flow through the heater and expel air from the pipe and the tank until the water flow is constant Please ensure that the water heater is functioning correctly an
6. d close the valve again Turn the ELCB Reset knob to the on position to start operating the water heater WARNING When selecting an appropriate water temperature the temperature may be dangerously high especially for children Keep away from the hot water outlet as it may cause a potential scalding hazard The indicator light will show The DHC_EC Water Heater features a temperature control knob at the front of the unit whereby 3 temperature levels may be selected 2 1 Adjusting Water Flow If the required temperature is not reached you may adjust the flow rate by turning the combination valve or water flow control device Fig 3 No 15 The hot water temperature depends on the power of the unit the cold water temperature and the flow volume STIEBEL ELTRON Operation Instruction forthe user and the qualified installer 3 Technical Data Type 6 EL 6 EC 8 EL 8 EC 10 EL Norminal capacity l 0 45 0 50 Design Close outlet Max water pressure 10 bar 1 0 MPa Min water pressure to activate unit 0 2 bar 0 02 MPa Water connection G 2 External Thread Dimension W x H x D mm 360 x 200 x 110 Weight kg 2 0 Electrical connection 1 N PE AC 220 240 V Recomended circuit breaker A E Recomended cable size Squmm 8 10 Rated power kW Rated current A Kw A kW A kW A 220V 6 0 27 3 8 0 36 4 9 9 230V 6 6 28 7 8 7 37 8 240 V 7 1 29 6 9
7. dual water left inside The unit is to be disconnect the unit from the installed vertically as in Example Fig 1 mains 7 Care and maintenance All the information in these instructions for operation and installation must be followed carefully They provide important information regarding safety operation and maintenance of the unit Guarantee 8 Guarantee The company does not accept For guarantees please refer to the respec liability for any failure caused tive terms and conditions of supply for your country The installation electrical connection and first operation of this appliance should be carried out by a qualified installer by inproper installation and or unauthorized installers STIEBEL ELTRON Fault elimination for the user 9 Fault elimination for the user Fault Cause Rectification No hot water despite water flow through the unit STIEBEL ELTRON The water flow volume required for the unit to turn it on has not been reached Increase flow volume Water flow too high Reduce water flow Heating setting too low Turn knob to the right max position ELCB activated Turn ELCB Reset button 10 Installation Instruction forthe qualified installer Description of the unit internal 1 Upper mounting hole 7 Electrical connection 13 Cold water connection 2 Lower mounting hole 8 ELCB option 14 H
8. ot water connection 3 Depth for mounting screw 9 Plug connecting the circuit 15 Flow Limiter Fig 7 3 board to the cover 16 Circuit board cover 4 Distance of the connection 10 Reed switch 17 Cover cable Fig 6 4 11 ELCB Test option 5 Thermostat 12 ELCB Reset option 6 Cable entry with seal Description of the unit Internal STIEBEL ELTRON Installation Instruction forthe qualified installer Installation to a bath sink N N SR Dimension ee pe 100 mm STIEBEL ELTRON 12 Installation Instruction forthe qualified installer Using the installation template to drill the holes 4x35mm 26mm Wall Mounting 220 240 V AC ONLY Wiring diagram A Heating Element B Electronic control set C Control Triac set D Thermal cut out E Temperature Sensor Inlet F Temperature Sensor Outlet G ELCB option Fig8 A x 30 mm HI STIEBEL ELTRON Installation Instruction for the qualified installer Installation Open the cover of the unit Preparation before installation of the unit Remove the plug connecting the Before taking any action always cover of the unit switch off the water heater s main circuit Inspect the internal components breaker first The cable must be in good condition and Place a drilling guide at the drilling the ELCB must be
9. tion and the temperature can be adjusted Level eee heats the water toa maximum temperature of 60 C Note Incase incoming water flow is by turning the knob at the front of the unit too high or cold water which controls the operation of the heater temperatures are to low electronically temperatures may not be reached 1 2 Using the unit 2 Turn the hot water on The indicator 1 Adjust the temperature using at valve will show at the front of the unit the selector a Levele heats the water toa Description of the unit External __ 7 N M G Y F B i 1 3 Description of the unit External a Indicator Light d ELCB Reset knob b Temperature Control knob e Cold Water Inlet Pipe c ELCB Test knob f Hot Water Outlet Pipe STIEBEL ELTRON Operation Instruction for the user and the qualified installer A N The DHC EC water heater unit is to be installed in a closed frost free room disconnected units are to be stored in a frost free location since there will always be some water left in the unit The water heater is to be installed vertically on a wall water connection downwards Warning For electrical heating appliances equipped with a heat cutoff device that does not reset automatically if you would like to reset the unit the mains power supply must be disconnected first 1 4 This model features an Earth Leakage Circuit Breaker ELCB
10. turned to the off position in order to drill a hole in the wall position Fig 7 Insert a wall plug and screw in the depth of the protruding screw head must be correct Fig 7 3 Remove the screw from underneath Create an opening for the water the water heater to open the cover of the inlet in the case of wall embeded and unit wall mounted pipes concealed connection STIEBEL ELTRON lt amp _ _ AA mmm 18 14 Installation Instruction for the qualified installer Inthe case of laying the cable from above and from the side create an opening for the electric cable using a pair of pliers to pinch or break the plastic chip on the side or on the top of the heater as appropriate so that the cable is tightly secured to the unit S Insert the cable through the rubber seal at the rear of the unit Please ensure that the power is turned off at the mains A circuit breaker or power control switch should be installed before the unit The size of the circuit breaker must corre spond to the voltage of the heater check the size of the circuit breaker in the Technical Information section J T I iin aaa Hang the heater on the screws mounted on the wall and slide the heater down into position nW Measure and cut the insulation at the end of the wire in preparation Insert the wires into the respective openings according to the
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