Domestic hot water
The water one showers in for example.
Electrical addition
This is the electricity that, for example, an immersion heater produces when
the compressor's output is not sufficient to fulfil the property's heating de-
mand.
Emergency mode
A mode that can be selected using the switch in the event of a fault, which
means that the compressor stops. When the heat pump is in emergency
mode, the building and/or hot water is heated using an immersion heater.
Evaporator
Heat exchanger where the refrigerant evaporates by retrieving heat energy
from the air which then cools.
Exhaust air
The air that comes from the exhaust air device in the various rooms of the
accommodation, to F470.
Exhaust air devices
Vents, usually in the ceiling, in the kitchen/bathroom/clothes closet where
the air is drawn in to be forwarded to F470.
Expansion valve
Valve that reduces the pressure of the refrigerant, whereupon the temperature
of the refrigerant drops.
Expansion vessel
Vessel with heating medium fluid with the task of equalising the pressure in
the heating medium system.
Extract air
The air that the heat pump has retrieved heat from and which has therefore
been cooled. This air is blown out of the building.
Filtering time
Enter the time the average outdoor temperature is calculated on.
79NIBE™ F470Chapter 6 | Glossary
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