GDTS products hot water heat pump DHW 300D Image

DHW 300D.

Domestic hot water heat pump with 289 l cylinder volume
and defrost function.

For the icy times too.

Thanks to the integrated defrost function, the DHW 300D heat pump can be operated at air intake temperatures down to -7 °C, meaning it can meet the hot water demand of a single-family home all year round, independently of the installed heating system. It extracts up to 70 % of the energy required for heating from the surrounding air or from the waste heat found in the indoor air.

  • 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.

Technical data.

Energy efficiency category*: A+

Nominal cylinder volume: 289 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: 108 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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