Pipe Connections; Terminology - Danfoss DHP-AQ Mini Service Instructions Manual

Pipe connections

1.4

Terminology

Term
Heating system/Heat transfer fluid
circuit
Supply line
Return line
Circulation pump
Refrigerant circuit
Refrigerant
Bleeding
Defrosting tank
Expansion tank with safety valve, brine
Brine
Temperature and pressure relief valve
Tap water
Outdoor unit
Water heater
Heating system
Meaning
The circuit that generates heat to the property or to the water heater.
The heating system's supply line with flow direction from the heat pump to radiators/
under floor heating or water heater.
The heating system's return line with flow direction from radiators/under floor heating
or water heater to the heat pump.
Circulation pump for heating system.
The energy carrying circuit between the outdoor air and heating system.
The gas/liquid that circulates in the refrigerant circuit.
Service instructions VMGFJ102 – 5