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Appendix
Terminology
Setback mode (reduced heating mode)
See "Reduced heating mode".
Extension kit for heating circuit with mixer
Accessories for controlling a heating circuit with mixer.
Subject to the system, comprising: Temperature sen-
sor, mixer motor, mixer electronics.
See "Mixer".
Heating circuit
A heating circuit is a sealed unvented circuit that con-
nects the boiler and radiators, in which the heating
water circulates.
A heating system may have several heating circuits,
e.g. one heating circuit for the rooms occupied by you
and one heating circuit for the rooms of a separate
apartment.
Heating circuit pump
Circulation pump for the circulation of heating water in
the heating circuit.
Actual temperature
Current temperature at the time of call up, e.g. actual
DHW temperature.
Mixer
A mixer mixes the water heated in the boiler with the
cooled water returning from the heating circuit. The
water, thus brought to the right temperature, is pumped
to the heating circuit by the heating circuit pump. With
the help of a motor, the control unit adjusts the heating
circuit flow temperature via the mixer to suit different
conditions, e.g. when outside temperatures change.
Night setback
See "Reduced heating mode".
Standard heating mode
For periods when you will be at home during the day,
use standard heating mode to heat your interior. Set
the periods using the time program for central heating.
During these periods, the interior is heated to the
standard room temperature.
48
Standard room temperature
For periods when you are at home during the day, set
the standard room temperature.
Open flue operation
The combustion air is drawn from the room where the
boiler is installed.
Reduced heating mode
For periods when you will be absent or during the
night, heat your rooms in reduced heating mode (set-
back mode). Set the periods using the time program
for central heating. During these periods, the interior is
heated to the reduced room temperature.
Reduced room temperature
For periods when you will be absent or during the
night, set the reduced room temperature. See
"Reduced heating mode".
Safety valve
Safety equipment to protect your heating system from
excessive pressures. Installed in the boiler circuit and
in the cold water supply of the DHW cylinder.
Set temperature
Specific temperature that should be reached, e.g. set
DHW temperature.
Drinking water filter
A device that removes solids from potable water. The
drinking water filter is installed in the cold water pipe
upstream of the DHW cylinder or the instantaneous
water heater.
Weather-compensated mode
In weather-compensated mode, the heating flow tem-
perature is regulated according to the outside tempera-
ture. This means that no more heat is generated than
is actually required to heat the interior to the set room
temperature you have selected.
The outside temperature is captured and transmitted to
the control unit by a sensor fitted outside the building.
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