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Aquarea air / water heat pump – design handbook 07 / 2014
Products, functions and technical data
Monobloc system
The monobloc system consists of one unit that is installed outdoors and
can be connected directly to the heating circuit. Control is by means of
a wired controller inside the building.
• Up to 80 % energy extraction from the ambient air for greater energy
efficiency
• Maximum COP (coefficient of performance) of 5.08 for single-phase
5 kW model for A7 / W35
• inverter technology allows controllable output of the unit and
contributes to energy saving
• environmentally compatible refrigerant (R410A with Aquarea LT and
T-CAP and R407C with Aquarea HT), does no damage to the ozone
layer
• individual devices also available with a high efficiency pump
• optimum control by means of room thermostats
(room thermostats not supplied)
• models for heating mode as well as heating and cooling mode are
available (Aquarea HT series is only available for heating mode)
• optimised capacity depending on the return water temperature
• integrated control of the hot water tank and heating system
• 24-hour timer with operating mode control
3.2 Monobloc system
Energy efficiency and
environmental friendliness
Attention
the monobloc system is in danger of freezing when the heating circuit is
filled with water and the outside temperature decreases below 0 °C!
This can lead to substantial damage to the unit.
Freedom from frost must be ensured within the heating system through
one of the following options:
1. The heating circuit is operated with a foodgrade frost protection
mixture (propylene glycol).
2. An auxiliary electric heater inside the Monobloc unit prevents the
heating circuit from freezing.
3. The heating circuit is emptied via an owner-provided device
(manually or automatically).
High level of comfort