3.1
2Purpose of the Heat Pump
2.1Application
The
It is designed exclusively for heating domestic and heating water!
The heat pump is suitable for mono energy and bivalent opera- tion down to an external air temperature of
Proper defrosting of the evaporator is guaranteed by maintaining a heating water return flow temperature of more than 18 °C or 20 °C (see Appendix Operating Range) during continuous oper- ation.
The heat pump is not designed for the increased heat consump- tion required when a building is being dried out. The additional heat consumption should be met using special devices provided by the customer. If a building is to be dried out in autumn or win- ter, we recommend installing an additional heating element (available as an accessory).
ATTENTION!
The device is not suitable for operation with a frequency converter.
2.2Operating Principle
Outside air is drawn in by the ventilator and fed via the evapora- tor (heat exchanger). The evaporator cools the air, i.e. it extracts heat from it. This extracted heat is then transferred to the working medium (refrigerant) in the evaporator.
The heat is “pumped” to a higher temperature level by increasing its pressure with the aid of an electrically driven compressor. It is then transferred to the heating water using the liquifier (heat ex- changer).
Electrical energy is used to raise the temperature of the heat in the environment to a higher level. Because the energy extracted from the air is transferred to the heating water, this type of device is called an
The
At low ambient temperatures, humidity accumulates on the evap- orator in the form of frost reducing the transfer of heat. The evap- orator is defrosted automatically by the heat pump as required. Steam may be emitted from the air outlet depending on the at- mospheric conditions.
3 Scope of delivery
3.1Basic Device
The compact heat pump is supplied complete with all the compo- nents listed below.
R404A is used as the refrigerant.
1)Evaporator
2)Check valve
3)Ventilator
4)Switch Box
5)Controllers
6)Filter dryer
7)Liquifier
8)Expansion valve
9)Compressor
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