STIEBEL ELTRON WPL 33 Manual
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STIEBEL ELTRON WPL 33 Manual

Air/water heat pump
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OPERATION AND INSTALLATION
Air | water heat pump
» WPL 33

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Summary of Contents for STIEBEL ELTRON WPL 33

  • Page 1 OPERATION AND INSTALLATION Air | water heat pump » WPL 33...

  • Page 2: Table Of Contents

    Power diagrams WPL 33 single compressor partial Appliance description ���������������������������������������5 load operation  28 Function  5 18.4 Power diagrams WPL 33 twin compressor full load Settings �������������������������������������������������������5 operation  29 Maintenance and care ���������������������������������������6 18.5 Data table  30 Troubleshooting ����������������������������������������������6...
  • Page 3 - The heat pump manager automatically switches the heat pump to summer or winter mode. - If the heat pump and frost protection are com- pletely switched off, drain the system on the water side. www.stiebel-eltron.com WPL 33 |...

  • Page 4: Operation

    Failure to observe this information may result in serious cordance with the conditions defined in the norm shown in the injury or death. heading of this section. CAUTION Failure to observe this information may result in non-seri- ous or minor injury. |WPL 33 www.stiebel-eltron.com...

  • Page 5: Safety

    The heat pump automatically reverts to heating mode at the end of the defrost cycle. Settings The appliance is controlled by the heat pump manager WPM and does not require any special operator actions. f Please observe the heat pump manager operating and instal- lation instructions. www.stiebel-eltron.com WPL 33 |...

  • Page 6: Maintenance And Care

    This can cause the hu- appliance. midity in the outdoor air to accumulate as dew or frost on the cooled heat pump casing. This is not a defect. |WPL 33 www.stiebel-eltron.com...

  • Page 7: Safety

    - Back panel f Never direct the air intake or discharge towards noise-sensi- - Pipe bend, heating circuit return tive rooms of the house, e.g. bedrooms. f Avoid installation on large, echoing floor areas, e.g. tiled floors. www.stiebel-eltron.com WPL 33 |...

  • Page 8: Minimum Clearances

    Ensure that the base is level, even, solid and permanent. f If necessary, maintain a greater clearance to the surrounding f Ensure the entire appliance frame is in full contact with the objects. substrate. Uneven substrates can increase noise emissions. |WPL 33 www.stiebel-eltron.com...
  • Page 9 8 Electrical cables/leads Observe the following information: f Only use weather-resistant cables. f Protect the heating circuit flow and return lines against frost with sufficient thermal insulation. Provide thermal insulation in accordance with applicable regulations. www.stiebel-eltron.com WPL 33 |...

  • Page 10: Electrical Installation

    The buffer cylinder is not only installed to provide hydraulic sep- aration of the flow rates in the heat pump circuit and the heating circuit, but also as an energy source for defrosting. 1 Pressure line fittings 2 Suction line fittings |WPL 33 www.stiebel-eltron.com...
  • Page 11 Route the electrical cables from above into the appliance through the cable entries and through the strain relief fit- tings (PG fittings). The open PG fittings are used to route the power cable for the appliance, control cable and BUS cable. www.stiebel-eltron.com WPL 33 |...

  • Page 12: Heating Water Connection

    Alterna- tively, switch OFF the second heat generator. Note f Operate the heat pump in heating mode. With a conductivity >1000 μS/cm, desalination treatment is recommended in order to avoid corrosion. |WPL 33 www.stiebel-eltron.com...
  • Page 13 The flow rate can be adjusted using the temperature differential of the buffer circuit. The value must not fall below the minimum flow rate. Maximum temperature differential on the heating side with low loss header or buffer cylinder www.stiebel-eltron.com WPL 33 |...

  • Page 14: Condensate Drain

    (e.g. oil boiler). 10.9 Checking fans Incorrect transport can slightly shift the fan, resulting in the fan impeller dragging on the inlet nozzle. If required, move the fan retainer to the left or to the right in its slots. |WPL 33 www.stiebel-eltron.com...
  • Page 15 External control, e.g. stand-alone mode (ext. contr.) 3.0 kW Low voltage (LV) 3.2 kW BUS High H 5.6 kW BUS Low L 5.8 kW BUS earth BUS " + " (not required) 6.2 kW 8.8 kW www.stiebel-eltron.com WPL 33 |...

  • Page 16: Fitting Casing Components

    Hook the side panels, front panel and back panel into the hooks on the standard appliance. Secure the casing sections at the bottom with one screw each. f Affix the type plate supplied in a highly visible position on one of the casing panels of the appliance. |WPL 33 www.stiebel-eltron.com...
  • Page 17 Hook the side panels and front and back doors onto the standard appliance. Secure each of these with one screw. f Affix the type plate supplied to top front r.h. or l.h. side of the side panel where it will be clearly visible. www.stiebel-eltron.com WPL 33 |...

  • Page 18: Routing Air Hoses

    12.3.2 Fitting air hoses f Place the sealing strip provided around the connector. f Firstly, push the outer hose slightly upwards. f Pull the outer hose over the connector. |WPL 33 www.stiebel-eltron.com...

  • Page 19: Commissioning

    Check whether the outside temperature sensor and the re- turn sensor are correctly placed and connected. f Check whether further sensors are correctly positioned and connected. f Check whether the power supply is connected correctly. www.stiebel-eltron.com WPL 33 |...

  • Page 20: Initial Start-Up

    (approx. 10 °C outside temperature), raise the "COMFORT TEM- PERATURE" parameter in the heat pump manager menu under "SETTINGS / HEATING / HEATING CIRCUIT". Note If no remote control is installed, raising the "COMFORT TEMPERATURE" parameter leads to a parallel offset of the heating curve. |WPL 33 www.stiebel-eltron.com...

  • Page 21: Special Information Shutdown

    They provide information on safety, operation, in- After completing the heat-up process, reset the parame- stallation and maintenance of the appliance. ters "DUAL MODE TEMP HZG" and "LOWER APP LIMIT HZG" to their respective standard values or to the respective system values. www.stiebel-eltron.com WPL 33 |...

  • Page 22: Troubleshooting

    Remove the cause of the fault. f Reset the high limit safety cut-out by pressing the reset but- ton. To do so, use a pointed object. f Check whether the heating water is being circulated at a suf- ficiently high flow rate. |WPL 33 www.stiebel-eltron.com...

  • Page 23: Fan Noise

    Regularly remove all leaves and accumulated dirt from the evap- orator fins, which can be accessed by removing the side panel on the condenser side. Check the condensate drain is working correctly. Remove any contamination. www.stiebel-eltron.com WPL 33 |...

  • Page 24: Specification

    INSTALLATION Specification 18. Specification 18.1 Dimensions and connections 18.1.1 Outdoor installation WPL 33 Air intake Air discharge Entry supply line |WPL 33 www.stiebel-eltron.com...
  • Page 25 18.1.2 Indoor installation 1390 WPL 33 Entry electrical cables Condensate drain Heating flow Male thread G 1 1/4 Heating return Male thread G 1 1/4 Air intake Nominal diameter DN 560 Air discharge Nominal diameter DN 560 www.stiebel-eltron.com WPL 33 |...

  • Page 26: Wiring Diagram

    High pressure sensor Resistance start contactor compressor 1 Low pressure sensor Compressor start contactor compressor 1 R1...3 Starting resistors compressor 1 Resistance start contactor compressor 2 R4...6 Starting resistors compressor 2 Compressor start contactor compressor 2 Connection terminals |WPL 33 www.stiebel-eltron.com...
  • Page 27 Control terminals Threaded earth block Plug-in earth block Socket terminal strip 2-pole Socket terminal strip 4-pole Socket plug IWS 12-pin Socket plug IWS 3-pin Socket plug IWS 5-PIN Socket plug IWS 6-PIN Diverter valve, defrost Suppressor www.stiebel-eltron.com WPL 33 |...

  • Page 28: Load Operation

    INSTALLATION Specification 18.3 Power diagrams WPL 33 single compressor partial load operation Key to output diagrams Heating output [kW] | Power consumption [kW] | Coefficient of performance ε [-] Inlet temperature of the heat source medium [°C] Flow temperature 35 °C Flow temperature 50 °C...
  • Page 29 INSTALLATION Specification 18.4 Power diagrams WPL 33 twin compressor full load operation Key to output diagrams Heating output [kW] | Power consumption [kW] | Coefficient of performance ε [-] Inlet temperature of the heat source medium [°C] Flow temperature 35 °C Flow temperature 50 °C...
  • Page 30 The power consumption figures for the integral auxiliary drives are maximum values and may vary subject to operating point. The power consumption of the integral auxiliary drives is included in the output details of the heat pump (to EN 14511). WPL 33 185348...
  • Page 31 (GWP) = 1653. This will not affect warranties issued by any importers. Never release refrigerant R407C to atmosphere. Environment and recycling www.stiebel-eltron.com WPL 33 | We would ask you to help protect the environment. After use,...
  • 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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