WATERSTAGE™ ATW Systems Monobloc Type Compact Series


High leaving water temperature

Capable of maintaining the temperature of leaving water at 55°C without any additional heater, even when the outdoor temperature drops to -20°C

High coefficient of performance (COP)

High COP is achieved by the use of a DC twin-rotary compressor, inverter, and high efficiency water heat exchanger.

Compact and lightweight design

Features of the hydraulic indoor unit

  • The compact Indoor unit is equipped with two electrical backup heaters, each having 3 kW capacity.
  • 12 L expansion vessel included.
  • Space-saving design allows the DHK kit to be installed inside the hydraulic indoor unit.
  • Equipped with newly designed controller, which allows connection using the MODBUS® protocol.
  • Heat metering integrated with a flow sensor