Convector
Works in the same way as a radiator, but with the difference that the air is
blown out.
Disturbances in comfort
Disturbances in comfort are undesirable changes to the hot water/indoor
comfort, for example when the temperature of the hot water is too low or
if the indoor temperature is not at the desired level.
An operational interruption in the indoor module can sometimes be noticed
as disturbances in comfort.
In most cases, the indoor module notes operational interference and indicates
this with alarms and shows instructions on how to rectify it in the display.
Domestic hot water
The water one showers in for example.
DUT, dimensioned outdoor temperature
The dimensioned outdoor temperature differs depending on where you live.
The lower the dimensioned outdoor temperature, the lower the value should
be selected on "selecting a heat curve".
Electrical addition
This is the electricity that, for example, an internal immersion heater uses to
cover the heating demand that the heat pump cannot manage.
Emergency mode
A mode that can be selected using the switch in the event of a fault, which
means that the indoor module stops. When the indoor module 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.
Expansion vessel
Vessel with heating medium fluid with the task of equalising the pressure in
the heating medium system.
63NIBE™ VVM 500Chapter 6 | Glossary
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