STIEBEL ELTRON WWK 222 Operation And Installation Manual
Dhw heat pump
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Summary of Contents for STIEBEL ELTRON WWK 222
- Page 1 OPERATION AND INSTALLATION DHW heat pump » WWK 222 » WWK 222 H » WWK 302 » WWK 302 H...
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Page 2: Table Of Contents
CONTENTS SPECIAL INFORMATION 14.6 Valves ������������������������������������������������������������� 21 14.7 Condensate drain ����������������������������������������������� 21 OPERATION 14.8 Replacing the power cable ����������������������������������� 21 General information �����������������������������������������4 14.9 Fitting the casing ring ����������������������������������������� 21 Safety instructions ����������������������������������������������� 4 14.10 Fitting the appliance cover ����������������������������������� 21 Other symbols in this documentation �����������������������... -
Page 3: Special Information Valves
SPECIAL INFORMATION SPECIAL INFORMATION - Drain the appliance as described in "Installa- tion / Maintenance and cleaning / Draining the cylinder". - The appliance may be used by children aged 8 - A T&P valve or a safety valve (cold water expan- and older and persons with reduced physical, sion control valve) must be installed. -
Page 4: Operation
OPERATION General information OPERATION Symbol Meaning Material losses (appliance damage, consequential losses and environmen- tal pollution) Appliance disposal General information The chapters "Special Information" and "Operation" are intended f This symbol indicates that you have to do something. The ac- for both the user and qualified contractors. tion you need to take is described step by step. -
Page 5: Test Symbols
OPERATION Appliance description WARNING Burns Material losses The water in the DHW cylinder can be heated to temper- Never cover the appliance. Covering the air intake or air atures in excess of 60 °C. There is a risk of scalding at discharge leads to a reduced air supply. If the air supply outlet temperatures in excess of 43 °C. -
Page 6: Heat Pump Operating Principle
OPERATION Appliance description In the case of indoor installation, the air inside the installation WWK 222 H | WWK 302 H: Electric emergency/booster heater room can be cooled by 1 °C to 3 °C through heat extraction. The When the temperature in the upper section of the DHW cylinder appliance also extracts moisture from the air, which turns into drops 10 K below the selected set temperature, the appliance condensate. -
Page 7: Minimum Runtime And Minimum Pause Time
OPERATION Settings Minimum runtime and minimum pause time Following a one-off activation (signal is present for at least 1 min- ute), set temperature 2 applies for at least 20 minutes and is ranked higher than set temperature 1. Material losses The qualified contractor can use software to change set temper- When operating with external switching devices that can ature 2 with an accessory available from us. - Page 8 OPERATION Cleaning, care and maintenance Protective anode and battery replacement f Undo the plug-in connection by pressing the connection lock on both sides. The appliance is equipped with a maintenance-free, impressed current anode that protects the tank from corrosion while it is supplied with power. At the factory, the appliance is fitted with rechargeable batteries that ensure the power supply to the im- pressed current anode in the case of a power failure.
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Page 9: Troubleshooting
OPERATION Troubleshooting Troubleshooting Notifying a qualified contractor If you cannot remedy the fault, notify your qualified contractor. In Problem Cause f Remedy Australia direct notify us (1800153351). To facilitate and speed up No hot water No power at the appliance. Check that the appliance is con- your request, provide the number from the type plate (000000- is available. -
Page 10: Installation
INSTALLATION Safety INSTALLATION Preparations 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. a pallet trolley) and sioning, maintenance and repair of the appliance. enough personnel for transportation. -
Page 11: Storage
INSTALLATION Preparations - In the case of indoor installation, the size of the installation room must correspond to the application limits of the appli- ance (see chapter "Specification / Data table"). - Observe the safety clearances and protection zones. - Always leave sufficient space to provide access for installa- tion, maintenance and cleaning. -
Page 12: Siting The Appliance
INSTALLATION Preparations Note Material losses For details on sounds emissions, see chapter "Specifica- The appliance must be positioned vertically to avoid tion / Data table". damage. The feet under the floor plate of the appliance are height-adjustable. Siting the appliance f Level the appliance horizontally using the height-ad- f Carefully undo the cardboard packaging at the clips. -
Page 13: Installation
INSTALLATION Installation f Thoroughly flush the pipework before connecting the appli- Connecting with bracket pipe adapters (mainly in Australia) ance. Foreign bodies, such as plastic and metal shavings, With these options, the "Cold water inlet" and "DHW outlet" con- rust, sand or sealant can impair the operational reliability of nections are located on the right hand side or on the left behind the appliance. -
Page 14: Condensate Drain
INSTALLATION Installation Safety valve (cold water expansion control valve, 550 kPa) Material losses f If specified, install a type-tested 550 kPa safety valve (expan- Ensure condensate cannot back up. sion control valve) in the cold water supply line. f Use a condensate drain hose with a diameter great- er than the diameter of the condensate drain bend. - Page 15 INSTALLATION Installation 10.3.2 Separate power supply to the impressed current anode WARNING Electrocution Insufficient earthing can lead to electrocution. Ensure At the factory, the appliance is fitted with rechargeable batteries the appliance is earthed according to locally applicable that ensure the power supply to the impressed current anode in requirements.
- Page 16 INSTALLATION Installation 10.3.3 Connection with external signal transmitter GNYE Note This type of connection must only be carried out by a qualified electrician. Note The appliance has a second and higher set temperature preselected at the factory. This is activated in the event of an external switching signal.
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Page 17: Assembling The Appliance
INSTALLATION Installation f Route leads through the strain relief. Example 2: Photovoltaic signal via on-site relay and phase routed outside the appliance f Connect the cables to X3. Example 1: Power-OFF signal with its own phase Note The relay in the inverter must meet the following re- quirements: - Potential-free relay (240 V AC / 24 V DC, 1 A) with N/O contact... -
Page 18: Commissioning
INSTALLATION Commissioning 11. Commissioning 11.1.3 Appliance handover f Explain the appliance function to users and familiarise them with its operation. 11.1 Initial start-up f Make the user aware of potential dangers, especially the risk of scalding. Note f Make users aware of critical environmental factors and re- Fill the DHW cylinder before switching on the power sup- quirements concerning the installation site. -
Page 19: Troubleshooting
INSTALLATION Troubleshooting 13. Troubleshooting 13.1 Resetting the safety pressure limiter The safety pressure limiter shuts down if the pressure inside the refrigerant circuit exceeds the permissible maximum value. If the WARNING Electrocution safety pressure limiter responds 5 times in 5 hours, the compres- Troubleshooting work must only be carried out by a sor operation will be blocked. -
Page 20: Maintenance
INSTALLATION Maintenance 14. Maintenance WARNING Electrocution Prior to all work on the appliance, isolate it from the power supply. 14.1 Removing the appliance cover 1 Fixing screws on casing ring The casing ring is fastened with screws. f Undo the fixing screws on the casing ring. f Remove the condensate drain bend and pipe collar of the drain. -
Page 21: Replacing The Power Cable
INSTALLATION Maintenance f Undo the screw that fastens the appliance cover to the top of 14.6 Valves the fascia. Regularly check all valves in the system and replace if necessary f Remove the fascia and the appliance cover. to ensure the operational reliability of the appliance. The amount f Carefully clean the evaporator fins. -
Page 22: Specification
INSTALLATION Specification 15. Specification 15.1 Dimensions and connections 15.1.1 WWK 222 / WWK 222 H WWK 222 WWK 222 H Entry electrical cables Cold water inlet Male thread DHW outlet Male thread T&P valve Female thread Rp 3/4 Rp 3/4 Condensate drain Male thread G 3/4... - Page 23 INSTALLATION Specification 15.1.2 WWK 302 / WWK 302 H WWK 302 WWK 302 H Entry electrical cables Cold water inlet Male thread DHW outlet Male thread T&P valve Female thread Rp 3/4 Rp 3/4 Condensate drain Male thread G 3/4 G 3/4 Air intake Air discharge Cover for manufacturing aperture www.stiebel-eltron.com ...
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Page 24: Wiring Diagram
INSTALLATION Specification 15.2 Wiring diagram F 100 mA / 250 V 4,8 V Anode active coat GNYE N´ L´ storage tank storage tank nur/only/seulement: WWK 222/302 H | WWK 222-302 H www.stiebel-eltron.com... - Page 25 INSTALLATION Specification Electronic assembly (control unit) Thermostat TSR Resistance Electronic assembly (electrical corrosion protection) DIP switch (operating mode) Run capacitor DIP switch Rechargable battery pack 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,...
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Page 26: Data Table
INSTALLATION Specification 15.3 Data table WWK 222 WWK 222 H WWK 302 WWK 302 H 231209 233209 231211 232905 Hydraulic data Nominal capacity Application limits DHW temperature with heat pump °C Max. DHW temperature with heat pump only °C Maximum DHW temperature with emergency/booster heater °C... - Page 27 INSTALLATION Specification WWK 222 WWK 222 H WWK 302 WWK 302 H Values Type of anode Impressed current Impressed current Impressed current Impressed current anode anode anode anode Air flow rate m³/h The output data refers to new appliances with clean heat ex- changers. Nominal data to EN 16147 – heat pump for recirculation air 15.3.1 Standardised output data...
- Page 28 Who gives the warranty Component Warranty period The warranty is given by Stiebel Eltron (Aust) Pty Ltd Cylinder and condenser 2 years from the date of (A.B.N. 82 066 271 083) of 6 Prohasky Street, Port Mel- completion of the installa- bourne, Victoria, 3207 ("we", "us"...
- Page 29 The Stiebel Eltron warranty for the unit is in addition to any g) foreign matter in the water supply, such as sludge or rights and remedies you may have under the Australian sediment;...
- Page 30 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.
- Page 31 NOTES www.stiebel-eltron.com WWK 222-302 H |...
- Page 32 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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