Danfoss DHP-AT, Installation And Service Instructions Manual

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1.4 Terminology
Term Meaning
Heating system/Heat transfer fluid
circuit
The circuit that generates heat to the property or to the domestic hot water tank heater.
Supply line The heating system’s supply line with flow direction from the heat pump to radiators/
under floor heating or domestic hot water tank heater.
Return line The heating system’s return line with flow direction from radiators/under floor heating
or domestic hot water tank heater to the heat pump.
Circulation pump Circulation pump for heating system.
Refrigerant circuit The energy carrying circuit between the outdoor air and heating system.
Refrigerant The gas/liquid that circulates in the refrigerant circuit.
Domestic hot water Domestic hot water is the water that you use around the house or office for everyday
applications, like showers, cleaning, laundry, or dishes.
Buffer tank Buffer tank is installed for equalisation of the temperature for the heating system and to
guarantee sufficient energy when defrosting.
4 – Installation and service instructions VMGFI202