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Stiebel Eltron WPE-I 33 / 44 / 59 / 87

  • Geothermal hydronic heat pump for domestic or commercial applications
  • 20.18 – 52.00 kW heating output
  • Cascadable with 16 devices from 10kW to 1.6MW
  • Easy system control
  • Quiet operation
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The WPE-I heat pump provides not only heat but also hot water convenience. The cascade control can supply both apartment buildings and commercial properties. With its inverter technology, the appliance is exceptionally versatile, and can even be conveniently operated via an app (optional accessory required).

Application

Inverter geothermal ground source heat pump with output-dependent control for indoor installation. Can be used in mono mode to provide heating and hot water. With the help of additional hydraulic components, the existing source system can be used for passive and active cooling, or even for simultaneous heating and cooling. Suitable for apartment buildings and commercial applications. For high heating output, up to 16 heat pumps can be connected in a cascade. Vertical Design ensures minimal installation footprint.

Equipment

The integral inverter makes the heat pump extremely flexible and versatile, enabling it to be installed in different types of buildings. The inverter continually adapts the heating output of the heat pump to the amount of energy currently required. One high-efficiency circulation pump is provided for the brine side and one for the heating side. During normal heat pump operation, the hot gas technology enables the hot gas to be utilised directly to heat the DHW via an additional heat exchanger simultaneously. The integral heat pump controller with colour touchscreen enables fully automated, weather-compensated control of the heating system and, when combined with the optional ISG, the ability to control the system via a home network or a mobile terminal device. External control of the heating system by a building management system is possible as an option. To minimise the transfer of structure-borne sound to the building, the refrigerant circuit is mounted on an anti-vibration base plate, and its hydraulic connections are flexible. The refrigerant circuit is hermetically sealed, tested for tightness at the factory and filled with safety refrigerant R410A.

Efficiency

The installed inverter ensures optimum heat pump operation all year round and consequently, maximum efficiency. The integrated Desuperheater Exchanger enables high hot water temperatures to be achieved very efficiently and at low cost.

Installation

Internal pressure hoses allow a direct hydraulic connection to the heating and brine circuits. The high level of integration ensures quick and simplified installation, even with larger systems. The appliances are fully installed and delivered ready for operation.

Stiebel Eltron

WPE-I 33H, WPE-I 44H, WPE-I 59H, WPE-I 87H

Technical Data

Model WPE-I 33 H 400 WPE-I 44 H 400 WPE-I 59 H 400 WPE-I 87 H 400
Output at B0/W35 (EN 14511) 20.18 kW 26.71 kW 35.60 kW 52.00 kW
Coefficient of performance at B0/W35 (EN 14511) 4.73 4.60 4.55 4.71
Flow rate, heat source side 4.66 m³/h 6.01 m³/h 7.92 m³/h 11.52 m³/h
Sound power level (EN 12102) 41-56 dB(A) 41-56 dB(A) 46-61 dB(A) 46-63 dB(A)
Sound power level internal 47 dB(A) 50 dB(A) 43 dB(A) 50 dB(A)
Rated compressor voltage 400 V 400 V 400 V 400 V
Height 1723 mm 1723 mm 1742 mm 1742 mm
Width 692 mm 692 mm 900 mm 900 mm
Depth 803 mm 803 mm 848 mm 848 mm
Weight 300 kg 300 kg 430 kg 430 kg

Downloads

File Category Type Download
WPE-I Datasheet Data Sheet PDF
808.40 kB
https://www.stiebel-eltron.com.au/download/294
WPF WPE-I Warranty 2020 Warranty PDF
110.91 kB
https://www.stiebel-eltron.com.au/download/292
WPE-I 2D CAD DWG file Technical Drawing DWG
469.73 kB
https://www.stiebel-eltron.com.au/download/288
WPE-I 2D CAD DXF file Technical Drawing DXF
967.28 kB
https://www.stiebel-eltron.com.au/download/289
WPE-I 3D CAD STP file Technical Drawing STP
13.04 MB
https://www.stiebel-eltron.com.au/download/290
WPE-I BIM Library Technical Drawing RFA
348.00 kB
https://www.stiebel-eltron.com.au/download/291

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