Related Manuals for STIEBEL ELTRON WWS 20
Summary of Contents for STIEBEL ELTRON WWS 20
- Page 1 BEDIENUNG UND INSTALLATION OPERATION AND INSTALLATION UTILISATION ET INSTALLATION Warmwasser-Wärmepumpe in Splitbauweise | DHW heat pump in a split design | Chauffe-eau thermodynamique de conception split » WWS 20...
-
Page 2: Table Of Contents
"Installation / Preparations / Siting the 10.4 Condensate drain ����������������������������������������������� 54 appliance"). 10.5 Power supply ���������������������������������������������������� 54 - Observe the requirements concerning the instal- 10.6 Temperature sensor �������������������������������������������� 55 lation room (see chapter "Installation / Prepara- tions / Installation site"). www.stiebel-eltron.com WWS 20 |... -
Page 3: Operation
Other symbols in this documentation Note General information is identified by the adjacent symbol. f Read these passages carefully. Symbol Meaning Material losses (appliance damage, consequential losses and environmen- tal pollution) Appliance disposal | WWS 20 www.stiebel-eltron.com... -
Page 4: Information On The Appliance
Never interrupt the power supply to the appliance. - Heating liquids other than DHW - Operating the appliance with an empty DHW cylinder - Operating the appliance outside the application limits (see chapter "Specification") - Interrupting the power supply www.stiebel-eltron.com WWS 20 |... -
Page 5: Test Symbols
A temperature sensor captures the amount of heat in the DHW output is reduced and the heat-up time is extended. cylinder. The water in the DHW cylinder is heated up if the amount of heat is lower than that required to achieve the set temperature. | WWS 20 www.stiebel-eltron.com... -
Page 6: Appliance Operation Outside The Application Limits
Maintenance active switched off (every 2500 hours run) Setting the Setting the tem- temperature perature Setting the Setting the time - Time needs re- time setting Electric heater Immersion Immersion heat- heater active er switched off www.stiebel-eltron.com WWS 20 |... -
Page 7: Menu Structure
Auto = Automatic mode Time (chapter 4.8) 00:00...23:59 ▲ ▲ ▼ → Parameter level (chapter 4.9) Parameter setting (chapter 4.9.1) ▲ Call up operating data (chapter 4.9.2) ▲ Enter password ▲ 11 /34 * Factory setting | WWS 20 www.stiebel-eltron.com... -
Page 8: Switching On Heat Pump
DHW value, irrespective of automatic mode. Once the 0 = Heat pump only (factory setting) 1 = Heat pump and immersion heater selected set DHW value has been reached, the appliance switches back to automatic mode. www.stiebel-eltron.com WWS 20 |... -
Page 9: Fan Mode
To do this, fan mode selection must be set to "Auto". The time power failure, the selected heat-up time can be extended program for fan mode takes priority over the external fan control, up to 6 hours. so switching input E3 is active only while fan mode is enabled. | WWS 20 www.stiebel-eltron.com... -
Page 10: Heat Pump Mode Selection
K2 closed = Heat pump is running 2 = Smart Grid function: K3 open = DHW set value is delivered K3 closed = Pasteurisation set value is delivered Note The compressor has a minimum idle time of 20 minutes. www.stiebel-eltron.com WWS 20 |... -
Page 11: Electric Heater Rod
0...60 (factory setting = 0.0 °C) f The immersion heater should only be installed in the Immersion heater stop temperature DHW cylinder by a qualified contractor. (temperature differential to DHW set value) 0...30 (factory setting = 0.0 K) | WWS 20 www.stiebel-eltron.com... -
Page 12: Cleaning, Care And Maintenance
- Check that the condensate drain is clear and remove any dirt. Immersion heater Superheating Safety thermostat acknowledge- switched on, but ment not heating Electrical connection Qualified contractor to replace faulty the electrical connection www.stiebel-eltron.com WWS 20 |... - Page 13 (000000-0000-000000). 1179.1 1187.8 Sensor values 1196.5 All the control unit temperature sensors have the same charac- teristics: PTC, type KTY81-121. Temperature [°C] Resistance [Ohm] Maximum deviation [+/-°C] 739.9 739.9 753.0 759.5 766.2 772.8 779.5 | WWS 20 www.stiebel-eltron.com...
-
Page 14: Installation
"Specification / Heating output"). f Observe the minimum volume of the installation room and the heat-up time during normal domestic use when com- bined with a 300 l cylinder (see chapter "Specification / Data table"). www.stiebel-eltron.com WWS 20 |... -
Page 15: Preparations
- The intake temperature of the appliance must be within the permissible application limits (see chapter "Specification / Data table"). - The appliance must be installed on a even, horizontal sur- face. If the appliance is not horizontally level, there may be a risk of appliance damage. | WWS 20 www.stiebel-eltron.com... -
Page 16: Heat Source (Air Draw-Off Point)
Ensure that the wall mounting bracket is flush with the wall. f Check that the rail supports are horizontally and vertically level, using a spirit level. f Level the rail supports by undoing and tightening the screws. f Tighten all screws. www.stiebel-eltron.com WWS 20 |... -
Page 17: Siting The Appliance
20 % below the response pressure of the safety valve. If the maximum pressure in the cold water supply line is higher, install a pressure reducing valve. Drain valve f Install a suitable drain valve at the lowest point in the cold water inlet line. | WWS 20 www.stiebel-eltron.com... - Page 18 10-500 µS/cm > 500 µS/cm < 7.0 within 24 h 7.0-9.0 > 9.0 Ammonium (NH < 2 within 24 h 2-20 > 20 Chloride (Cl) < 100 No limit 100-200 > 200 Free chlorine (Cl <1 within 5 h >5 Hydrogen sulphide (H < 0.05 No limit > 0.05 www.stiebel-eltron.com WWS 20 |...
-
Page 19: Condensate Drain
Cooling the intake air in the evaporator separates the condensate. 10.5.1 Power supply Depending on the volume and humidity of the intake air, up to 0.3 l/h of condensate may form. The appliance is delivered with a power cable with a standard plug. | WWS 20 www.stiebel-eltron.com... -
Page 20: Temperature Sensor
Never apply any voltage to contact F1. 1 DHW outlet f Always use floating contacts. 2 Cold water inlet 3 Hot water draw-off point Contact F1 can be configured as a switching input which allows 4 Shut-off valves an external DHW demand. www.stiebel-eltron.com WWS 20 |... -
Page 21: Recommissioning
VDI guideline 2067. 11.1.4 Appliance handover f Explain the appliance function to users and familiarise them with its operation. f Make the user aware of potential dangers, especially the risk of scalding. 1 Fixing screws on casing ring | WWS 20 www.stiebel-eltron.com... -
Page 22: Removing Casing Components Separately
Refill the DHW cylinder (see chapter "Commissioning / Filling f Split the casing ring by moving the individual components the DHW cylinder"). together along the joint. f Remove the casing ring. f Refit the casing ring after completing the work. www.stiebel-eltron.com WWS 20 |... -
Page 23: Specification
14.1 Dimensions and connections WWS 20 Cold water inlet Male thread G 3/4 DHW outlet Male thread G 3/4 Condensate drain Diameter b06 Junction box Air intake Nominal diameter DN 160 Air discharge Nominal diameter DN 160 | WWS 20 www.stiebel-eltron.com... -
Page 24: Hydraulic Connection Diagram
Observe the information and limitations for the relevant connection types (see chapter "Water connection / Connection to the DHW cylinder"). Heating the DHW cylinder via the inlet pipe Example: Heating the DHW cylinder via the inlet pipe in combination with solar thermal www.stiebel-eltron.com WWS 20 |... - Page 25 At a temperature differential of 5 K between the flow and return, the thermal output of the heat pump (see chapter "Specification") must be transferred via the coil. Due to the additional heat transfer, this installation may result in different and lower output and efficiency data. | WWS 20 www.stiebel-eltron.com...
-
Page 26: Wiring Diagrams
Switching input for display sensor (optional) Switching input for power supply utility shutdown (optional) Switching input for power supply utility shutdown, set value increase or external fan control (optional) DHW heat pump Junction box Mains power (Domestic electricity meter) www.stiebel-eltron.com WWS 20 |... - Page 27 Switching input for power supply utility shutdown (optional) Switching input for power supply utility shutdown, set value increase or external fan control (optional) DHW heat pump Junction box Threaded immersion heater (BGC) Mains power (Domestic electricity meter) | WWS 20 www.stiebel-eltron.com...
- Page 28 Switching input for power supply utility shutdown (optional) Switching input for power supply utility shutdown, set value increase or external fan control (optional) DHW heat pump Junction box Floating output on inverter Mains power (Domestic electricity meter) www.stiebel-eltron.com WWS 20 |...
- Page 29 Defrost sensor on the evaporator Pressure switch Compressor motor Fan motor Charging pump motor Terminal box Terminal box Defrosting W7 Appliance power supply W8 Compressor W9 Electric heater rod W10 Charging pump W11 Valve W12 Fan | WWS 20 www.stiebel-eltron.com...
-
Page 30: Heating Output
14.4 Heating output 35°C 45°C 50°C 60°C X Air temperature [°C] Y Heating output [kW] 14.5 Power consumption 0,70 0,65 0,60 35°C 45°C 0,55 50°C 0,50 60°C 0,45 0,40 X Air temperature [°C] Y Power consumption [kW] www.stiebel-eltron.com WWS 20 |... -
Page 31: Guarantee
This will not affect warranties issued by any importers. Environment and recycling We would ask you to help protect the environment. After use, dispose of the various materials in accordance with national regulations. | WWS 20 www.stiebel-eltron.com... - 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.
Need help?
Do you have a question about the WWS 20 and is the answer not in the manual?
Questions and answers