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High efficiency air-to-water heat pump for outdoor installation incl. domestic hot water preparation.

  SG Ready

Heating package comprising a high efficiency air-to-water heat pump for outdoor installation and Hydro-tower HWK 332Econ5S with integrated heat pump manager.

Heat pump

  • Extremely quiet thanks to sound-optimised casing and sound-insulated compressor housing
  • High efficiency thanks to high-performance evaporator, EC fan and COP booster
  • Integration of intelligent room temperature controllers (Smart RTC) enables a further increase in system efficiency
  • Flexible expansion options via 2 mixer outputs for bivalent operation and/or the control of mixed heating circuits
  • Use of load-variable tariffs (SG Ready)


  • Minimal installation effort thanks to the space-optimised combination of buffer tank and domestic hot water cylinder
  • Simple commissioning with integrated heat pump manager and optimally coordinated hydraulic components
  • Demand-based supplementary heating via additional heating (2 kW)
The electrical connection between the heat pump and the Hydro-tower takes place via a shielded 2-wire data cable (e.g. LiYY; cross-section 0.6 mm²) not included in the scope of supply

Seal of approval EHPA

European Heat Pump Association - EHPA

Technical data

High efficiency air-to-water heat pump for outdoor installation incl. domestic hot water preparation.
Order reference HPL 6S-TUW
Casing colourWhite aluminium (similar to RAL 9006)
Max. flow temperature60 °C
Lower operating limit heat source (heating operation) / Upper operating limit heat source (heating operation)-22 to 35 °C
Heat output A-7/W35 / COP A-7/W35*4,0 kW / 2,9
Heat output A2/W35 / COP A2/W35*5,1 kW / 3,8
Heat output A7/W35 / COP A7/W35*6,4 kW / 4,6
Heat output A10/W35 / COP A10/W35*6,70 kW / 4,69
Sound power level56 dB (A)
Sound pressure level in 10 m28 dB (A)
Refrigerant / Amount of refrigerantR410A / 3,4 kg
Max. heating water flow rate / Pressure drop1,15 m³/h / 12000 Pa
Dimensions (W x H x D)**1350 x 945 x 600 mm
Weight0 kg
Rated voltage3/N/PE ~400 V, 50 Hz
Starting current0 A
Type of defrostingReverse circulation
Connection heating1 inch
Seal of approval EHPA (valid until)Yes / 12.12.2020

*Heat output and coefficient of performance (COP) according to EN 14511

**Please note that additional space is required for pipe connections, operation and maintenance.

Documents and downloads

Data sheetProduct data sheet with system accessories» via e-mail
Operating limits diagramOperating limits diagram» via e-mail
Declaration of conformityDeclaration of conformity» via e-mail
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