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 no-
ticed as disturbances in comfort.
In most cases, the indoor module notes operational interference and in-
dicates 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 d iffers 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 im-
mersion heater.
Evaporator
Heat exchanger wher e 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.
Flow pipe
The line in which the heated water is transported from the indoor module
out to the house's climate system (radiators/heating coils).
NIBE™ VVM 310Chapter 6 | Glossary62
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