WPF 20 / 27 / 35 / 40 / 52 / 66

  • Geothermal hydronic heating for larger complexes
  • 21.5 – 67.1 kW heating output at B0/W35
  • Stackable design to maximise available space
  • Cascade control for high output requirements
  • High reliability through robust single compressor design
  • Integrated heat and electricity meters
  • Extremely quiet operation
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Product Overview

Designed for residential and commercial complexes with larger heating loads, the stackable WPF range of geothermal hydronic heat pumps are a demonstration of the advancement of heat pump technology. Featuring cascade control which allows additional units to be started dependant on peak loads. Winner of multiple design awards, the WPF 20-66 geothermal heat pumps can be stacked to save space.

Product Details

Technical Data

Model WPF 20 WPF 27 WPF 35 WPF 40 WPF 52 WPF 66
Output at B0/W35 (EN 14511) 21.5 kW 29.69 kW 38.04 kW 43.1 kW 55.83 kW 67.10 kW
Coefficient of performance at B0/W35 (EN 14511) 4.66 4.85 4.78 4.67 4.81 4.56
Flow rate, heat source side 5 m³/h 7 m³/h 8.8 m³/h 10.5 m³/h 13 m³/h 16.1 m³/h
Nominal design flow rate of heating system at A-7/W35 and 7 K 2.65 m³/h 3.65 m³/h 4.48 m³/h 5.3 m³/h 6.86 m³/h 8.26 m³/h
Sound power level (EN 12102) 54 dB(A) 55 dB(A) 56 dB(A) 58 dB(A) 58 dB(A) 61 dB(A)
Sound pressure level at a distance of 1 m 43 dB(A) 44 dB(A) 45 dB(A) 47 dB(A) 47 dB(A) 50 dB(A)
Rated compressor voltage 400 V 400 V 400 V 400 V 400 V 400 V
Connections for the heating and source side G 2 G 2 G 2 G 2 G 2 G 2
Height 1154 mm 1154 mm 1154 mm 1154 mm 1154 mm 1154 mm
Width 1242 mm 1242 mm 1242 mm 1242 mm 1242 mm 1242 mm
Depth 860 mm 860 mm 860 mm 860 mm 860 mm 860 mm
Weight 345 kg 367 kg 391 kg 415 kg 539 kg 655 kg

Downloads

File Category Type Download
WPF 20 Data SheetData SheetPDF
357.85 kB
WPF 27 Data SheetData SheetPDF
359.03 kB
WPF 35 Data SheetData SheetPDF
349.06 kB
WPF 40 Data SheetData SheetPDF
359.00 kB
WPF 52 Data SheetData SheetPDF
358.97 kB
WPF 66 Data SheetData SheetPDF
359.02 kB
WPF Operation and Installation GuideOperation and Installation GuidePDF
5.31 MB
WPF Warranty 2018WarrantyPDF
110.03 kB
WPF 20-66 Line DrawingTechnical DrawingPNG
44.85 kB
WPF 20_66 Exploded DiagramTechnical DrawingPNG
29.40 kB

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