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Bosch Compress 7400i AW Seite 24

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Technical terms
Compress 7001i/7400i AW AWE – 6721835320 (2021/09)
24
heating cannot occur at the same time. This is also the most effective
operating mode, as the DHW is always heated to a specific temperature,
while the heating water temperature is continuously adjusted to the
outdoor air temperature in each case.
External auxiliary heater (extra)
The external auxiliary heater is a separate heat source which is
connected via pipework to the indoor unit. The heat produced in the
auxiliary heater is controlled via a mixer. It is therefore also referred to as
an auxiliary heater with mixer. The control unit controls the activation
and deactivation of the auxiliary heater according to the existing heat
energy demand. Heat sources are electric, oil-fired or floor standing gas
boilers.
Heat transfer medium circuit
The part of the heating system that transports the heat from the outdoor
unit to the indoor unit.
Cooling circuit
The main part of the outdoor unit that obtains energy from the outdoor
air and transfers this as heat to the heat transfer medium circuit.
Consists of evaporator, compressor, condenser and expansion valve.
The refrigerant circulates in the cooling circuit.
Evaporator
Heat exchanger between air and refrigerant. The energy from the air that
is drawn in through the evaporator causes the refrigerant to boil and turn
to gas as a result.
Compressor
Moves the refrigerant through the cooling circuit from the evaporator to
the condenser. Increases the pressure of the gaseous refrigerant. The
temperature also increases as the pressure increases.
Condenser
Heat exchanger between refrigerant in the cooling circuit and water in
the heat transfer medium circuit. During the heat transfer, the
temperature of the refrigerant falls as it changes into the liquid
aggregation state.
Expansion valve
Reduces the pressure of the refrigerant after it is discharged from the
condenser. The refrigerant is then channeled back to the evaporator
where the process starts again.
Inverter
Located in the outdoor unit and enables the speed of the compressor to
be controlled based on the heat energy demand in each case.
Setback phase
A period during the time-controlled operation involving the setback
operating mode.
Time-controlled operation
The heating system is heated in accordance with the time program and
switching between the operating modes occurs automatically.
Operating phase
The heating operating phases are: heating and setback. They are
depicted by the symbols and .
The operating phases for DHW heating are: DHW, DHW reduced and
Off. A temperature can be set for each operating phase (except for Off).
Frost protection
Depending on the type of frost protection selected, the outdoor unit is
switched on if the outside temperature or room temperature falls below
a certain critical threshold. Frost protection prevents the heating system
from freezing up.
Desired room temperature
The room temperature to be achieved by the heating system. It can be set
individually.
Default settings
Values saved permanently on the control unit, which are available at all
times and can be reset as necessary.
Heating phase
A period during the time-controlled operation involving the heating
operating mode.
Parental lock
Settings in the standard display and in the menu can only be changed if
the parental lock (key block) is switched off.
Mixer/mixing valve
Assembly that automatically ensures that DHW can be drawn from the
draw-off points at a temperature no higher than the temperature set on
the mixing valve.
Normal Operation
In normal mode, automatic mode (the heating system time program) is
not active and the home is steadily heated at the temperature set for
normal mode.
Reference room
The room in your home where the remote control is installed is the
reference room. The room temperature in this room acts as the control
variable for the assigned heating circuit (which can include several
rooms or the entire house if only one circuit is present).
Switching time
A particular time when the heating temperature, for example, is
increased or reduced. A switching time is a component of a time
program.
Temperature during an operating phase
A temperature that is assigned to an operating phase. The temperature
is adjustable. Refer to the explanations about the operating mode.
Flow temperature
The temperature that the heating water in the heating circuit retains from
the heat source through to the radiators or the underfloor heating system
in the room.
Hot water cylinder
A DHW cylinder stores large volumes of heated potable water. Sufficient
hot water is available at the draw-off points (e.g. water taps) as a result.
Time program for heating
This time program ensures automatic switchover between the operating
phases at defined switching times.
… 24 …

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  • Bei meiner 7400i aw sind heute Morgen die Lamellen vereist. Gibt es eine Abtauautomatik und wie funktioniert diese? Eingereicht am 27-11-2022 10:58

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Andere Handbücher von Bosch Compress 7400i AW

Bosch Compress 7400i AW Installationsanweisung - Deutsch - 28 seiten

Bosch Compress 7400i AW Bedienungsanleitung - Deutsch - 28 seiten

Bosch Compress 7400i AW Installationsanweisung - Holländisch - 28 seiten


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