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Application area
Operating principle of a heat pump
Frost protection
Energy-efficient use of the
heat pump heating system
3064298_201507
3. Information on the heat pump
The split air/water heat pump for heating water temperatures up to 55 °C and air
temperatures down to -15 °C or -20 °C is designed exclusively for the heating of heating
water and domestic hot water. The heat pump can be used in new or existing heating
systems, taking into consideration the application limits (see "Specification").
The heat pump converts the low-temperature heat contained in the outdoor air into
high-temperature heat. To achieve this, air is drawn in by the fan and routed over the
evaporator (1).
The evaporator contains liquid heat transfer medium. This boils and evaporates at low
temperatures and low pressures. The required evaporation heat is extracted from the
air, which cools down in the process. The air is then released back into the atmosphere.
The evaporated heat transfer medium is drawn in by compressor (2) and compressed
to a higher pressure. The compressed, gaseous heat transfer medium is pushed into
the condenser (3), where it condenses at high pressure and high temperature. The
condensation heat is transferred to the heating water, causing the water temperature
to rise.
The energy transferred to the heating water corresponds to the energy that was
previously extracted from the outdoor air, plus the small amount of electrical energy
required for compression.
The pressure in the condenser and upstream of the expansion valve (4) is high. Via
the expansion valve, a temperature-sensitive pressure reduction occurs, causing the
pressure and temperature to drop. The cycle then starts again.
The heat pump is automatically protected against frost when it is switched on. The
use of anti-freeze is not permissible.
Please note
Risk of water damage and faulty operation through freezing.
By choosing a heat pump heating system, you are helping to protect the environment
through low emissions and efficient use of primary energy. To ensure that your new
heating system operates at maximum efficiency, please bear in mind the following points:
The heat pump heating system must be carefully sized and installed. Avoid
Please note
unnecessarily high flow temperatures. The lower the flow temperature on the
heating water side, the more efficiently the heat pump operates. Ensure that the
controller is adjusted correctly.
Intermittent ventilation is preferable. Compared to airing with the windows
permanently tilted open, this method of ventilation reduces energy consumption
and saves you money.
3.
Cylinder
4.
2.
1.
Air
Indoor module
Outdoor module
1. Evaporator
2. Compressor
3. Condenser
4. Expansion valve
7
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