CONTENTS CONTENTS SPECIAL INFORMATION 14.3 Motor overload relay ������������������������������������������� 27 Maintenance and cleaning �������������������������������� 27 OPERATION 15.1 Removing the appliance cover ������������������������������� 27 General information �����������������������������������������4 15.2 Removing the casing ring ������������������������������������� 28 Safety instructions ����������������������������������������������� 4 15.3 Clean the evaporator. ������������������������������������������ 28 Other symbols in this documentation �����������������������...
SPECIAL INFORMATION SPECIAL INFORMATION - Install a type-tested safety valve in the cold water inlet line. - The maximum pressure in the cold water supply - The appliance may be used by children over 8 line must be at least 20 % below the response years of age and persons with reduced physical, pressure of the safety valve.
OPERATION General information OPERATION Symbol Meaning Appliance disposal f This symbol indicates that you have to do something. The ac- General information tion you need to take is described step by step. The chapters "Special information" and "Operation" are intended Units of measurement for both users and qualified contractors.
OPERATION Appliance description General safety instructions Material losses The appliance should only be operated once it is fully installed Never cover the appliance. Covering the air intake or air discharge leads to a reduced air supply. If the air supply and all safety equipment has been fitted.
OPERATION Appliance description DHW heating When a hot water draw-off point is opened, the hot DHW is pushed out of the appliance by the inflow of cold water. The heat pump drive unit is located in the upper section of the appliance.
OPERATION Settings Appliance operation outside the application Minimum runtime and minimum pause time limits Material losses f To guarantee fault-free operation of the appliance, make sure When operating with external switching devices that can you operate the appliance within its application limits (see interrupt the power supply to the appliance, such as time chapter "Specification / Data table").
OPERATION Settings Display and controls Symbol Description Service/fault: Notify your qualified contractor if the "Service/fault" symbol appears on the display. Continuous illumination of the sym- Note bol indicates that the fault is not preventing appliance operation. 15 seconds after every operation, the appliance auto- A flashing "Service/fault"...
OPERATION Settings Settings Set temperature 1 Note Menu For hygiene reasons, never set the DHW temperature below 50 °C. In default display mode, the display shows the amount of mixed water. Set temperature 1 is the DHW temperature to which the appliance The "Menu"...
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OPERATION Settings Operation with external signal transmitter Fan speed The current set fan output appears, iden- Material losses tified by a preceding F. See "Permissible voltage range for external signal trans- mitters" in the "Specification/data table" chapter. As standard, the appliances feature the ability to assign a spe- cific, individual set DHW temperature ("set temperature 2") to a connected external signal transmitter, such as a PV system or a Note...
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OPERATION Settings This function is set in two stages. First enable the function and set Changing units the runtime in the second parameter. You can select whether the temperatures and the volume details are displayed in SI units or US units. If you select 1, the values are The tHE0 setting disables the "runt- displayed in degrees Celsius and litres.
OPERATION Settings "Quick heat-up" key 4.4.2 Emergency mode If the appliance is faulty, you can use the emergency mode to Note activate the electric emergency/booster heater. To start rapid/comfort heating with the "Rapid heat-up" Following a DHW demand, the appliance checks the temperature key, the start screen must be displayed.
OPERATION Maintenance and care Troubleshooting Manual emergency heating mode If a fault has occurred and no fault code is displayed, you can Problem Cause Remedy activate emergency heating mode. The compressor If the appliance is in defrost No action required. A max- is operational, mode, the fan may not switch imum defrost time is set in...
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OPERATION Troubleshooting Problem Cause Remedy Problem Cause Remedy For indoor in- operation of the appliance If the room temperature falls The "electric The "runtime-dependent No action required. stallation : The can cause the room temper- by more than 5 °C, check the emergency/ rapid heat-up"...
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OPERATION Troubleshooting Application scenarios for emergency mode Fault description Remedy If the appliance shows fault code 8, you can manually activate Steadily A short circuit of the impressed Immediately notify a quali- emergency mode. If a different fault occurred previously, but did current anode has occurred or fied contractor, as the appli- not cause the appliance to shut down, the display may show a fault...
INSTALLATION Safety INSTALLATION Preparation Transport Safety CAUTION Injury f Observe the weight of the appliance. Only a qualified contractor should carry out installation, commis- f Use suitable transport aids (e.g. sack truck) and sioning, maintenance and repair of the appliance. enough personnel for transportation.
INSTALLATION Preparation - The size of the installation room must correspond to the appliance application limits (see "Specification / Data table" chapter). - Observe the safety clearances and protection zones. - Always leave sufficient space to provide access for instal- lation, maintenance and cleaning. Observe the minimum clearances (see chapter "Installation / Preparations / Siting the appliance").
INSTALLATION Preparation Siting the appliance Examples of unacceptable installations f Carefully undo the cardboard packaging at the clips. Atmospheres containing ammonia Sewage works, pigsties Substances which block the evap- Air containing oil or fat, dust (cement, orator flour, etc.). Note: If the air contains hair- spray (e.g.
INSTALLATION Installation Minimum clearances Material losses The corrosion protection provided by the anode can only be guaranteed when the electrical conductivity of the do- mestic hot water is within the limits stated in the chapter "Specification / Data table". Cold water line Galvanised steel, stainless steel, copper and plastic are approved materials.
INSTALLATION Installation T&P valve DHW outlet f If specified, install a type-tested T&P valve using the corre- WARNING Burns sponding connection on the appliance. The water in the DHW cylinder can be heated to temper- The response pressure of the valve must be below or equal to the atures in excess of 60 °C.
INSTALLATION Installation 10.3 Electrical connection 10.3.1 Standard connection without external signal transmitter WARNING Electrocution Carry out all electrical connection and installation work GNYE in accordance with national and regional regulations. WARNING Electrocution The connection to the power supply must be in the form of a permanent connection.
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INSTALLATION Installation Example: Water temperature °C GNYE Set temperature 1 °C Set temperature 2 °C t [min] L1 / L2 / L3 t [min] Power supply provided by power supply utility or energy A External signal management system for switching the load (compressor) B Compressor Power supply to impressed current anode and PCB 1 20 min.
INSTALLATION Commissioning 11. Commissioning Example 2 : Photovoltaic signal via on-site relay and phase routed outside the appliance 11.1 Initial start-up Note The relay in the inverter must meet the following re- Note quirements: Fill the DHW cylinder before switching on the power sup- - Potential-free relay (240 V AC / 24 V DC, 1 A) with ply to the appliance.
INSTALLATION Settings 12. Settings 11.1.3 Appliance handover f Explain the appliance function to users and familiarise them with its operation. Service menu f Make the user aware of potential dangers, especially the risk of scalding. To unlock the service menu, you need to connect a service plug or enter a code.
INSTALLATION Appliance shutdown 14. Troubleshooting To set the next digit, press the "Rapid heat-up" key. WARNING Electrocution To confirm the code after entering all Prior to all work on the appliance, isolate it from the digits, press the "Rapid heat-up" key. power supply.
INSTALLATION Troubleshooting 14.1 Fault codes Fault description Remedy Fault description Remedy Stead- The defrost temperature has Check the position of the evapo- ily on not yet been reached after rator sensor in the evaporator. the maximum defrost time Stead- The sensor at the cylinder top Check that the plug is seated has lapsed.
INSTALLATION Maintenance and cleaning 15. Maintenance and cleaning Fault description Remedy E 64 flash- Evaporator temperature < Check whether the evaporator WARNING Electrocution minimum evaporator tem- is clogged with deposits. If Prior to all work on the appliance, isolate it from the perature required, clean the evaporator with clear water without clean-...
INSTALLATION Maintenance and cleaning 15.2 Removing the casing ring 15.3 Clean the evaporator. WARNING Injury Note The evaporator consists of numerous sharp-edged fins. If you require more space to work inside the appliance, Be careful when cleaning the evaporator and wear pro- you can remove the casing ring on the upper section of tective clothing, especially safety gloves.
INSTALLATION Maintenance and cleaning 15.5 Descaling the electric emergency/booster 15.8 Condensate drain heater f Check whether the condensate drain is clear of obstructions. Remove contaminants. Only descale the flange of the electric emergency/booster heater after removing it, and never treat the interior of the DHW cylinder 15.9 Replacing the power cable and the impressed current anode with descaling agents.
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INSTALLATION Specification 16. Specification 16.1 Dimensions and connections 16.1.1 WWK 223 electronic WWK 223 electronic Entry electrical cables Cold water inlet Male thread DHW outlet Male thread T&P valve Female thread G 3/4 Condensate drain Male thread G 3/4 Air intake...
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INSTALLATION Specification 16.1.2 WWK 303 electronic WWK 303 electronic Entry electrical cables Cold water inlet Male thread DHW outlet Male thread T&P valve Female thread G 3/4 Condensate drain Male thread G 3/4 Air intake Air discharge Cover for manufacturing aperture www.stiebel-eltron.com WWK 223-303 electronic |...
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INSTALLATION Specification Electronic assembly (control unit) DIP switch Electronic assembly (programming unit) DIP switch Capacitor Cylinder top/integral temperature sensors Heating element Temperature sensor, hot gas High limit safety cut-out TSR Temperature sensor, air intake Motor overload relay M1 Temperature sensor, evaporator High pressure switch Solenoid valve ('live' in heating mode) Fuse...
INSTALLATION Specification 16.4 Data table WWK 223 electronic WWK 303 electronic 234406 234405 Hydraulic data Nominal capacity Application limits Max. DHW temperature with heat pump °C Max. DHW temperature with emergency/booster heater °C High limit safety cut-out °C Min./max. application limits of heat source for heat pump operation °C...
INSTALLATION Specification Further details WWK 223 electronic WWK 303 electronic 234406 234405 Maximum altitude for installation 2000 2000 16.5 Appliance parameters WWK 223 electronic WWK 303 electronic Reduced start hysteresis Maximum temperature increase time Maximum defrost time Defrost end temperature °C...
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.
操作 设置 4. 设置 4.2 显示器和操作元件 提示 4.1 防雨罩 每次操作 15 秒后, 设备自动切换至标准显示 (混合 防雨罩防止控制面板受到天气因素的影响。 水量) 并保存设置的数值。 e l e c t r o n i c c o m f o r t 1 显示器 2 "加号"键 3 "减号"键 4 "快速加热"键 5 ...
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