GDTS products hot water heat pump DHW 300D + image

DHW 300D+.

Domestic hot water heat pump with 280 l cylinder volume,
additional heat exchanger and defrost function.  

Complete solution for hot water.

The DHW 300D+ provides the complete programme, and always guarantees maximum hot water performance: 280 l cylinder volume with additional heat exchanger and integrated defrost function so the domestic hot water heat pump runs reliably even at -7 °C. Thanks to the additional heat exchanger in the domestic hot water cylinder, a solar thermal plant or an existing oil/gas boiler can be integrated to assist in providing hot water.

  • Efficient heating. Domestic hot water preparation from waste heat in single-family homes.
  • Intelligent storage. Use your own photovoltaic energy for domestic hot water – with three different desired temperatures.
  • Compatible in many ways. Remote control via energy management or building management systems possible via RS-485 interface.
  • Comfortable. LC display with capacitive touch control.
  • Economical. Minimal losses thanks to optimal insulation.
  • Good-looking. Compact dimensions and modern design for the installation room.
  • Cleverly ice-free. Thanks to the integrated defrost function, the heat pump can be operated at air temperatures down to -7 °C.
  • Properly supported. Using the additional heat exchanger, a solar thermal plant or an existing oil/gas heating system can be integrated.

Technical data.

Energy efficiency category*: A+

Nominal cylinder volume: 280 l

Lower/upper operating limit on use of heat source
for heat pump operation: -7 to +35 °C

Hot water adjustment range
in heat pump operation: +20 to +60 °C ±1.5 K

Net weight: 123 kg

Dimensions (W x H x D): 740 x 1887 x 776 mm

*Range of energy efficiency category from A+ to F

All series models:

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