KNX Technical Reference Manual
ABB-i-Bus
®
-KNX Millenium
Description of applications /
objects
KNX Technical Reference Manual | 1473-1-8681
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11.3
Application "RTC"
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11.3.1
General - Device function
Options:
Single device
Master device
Slave device
–
Single device
: The device is used singly in a room as room temperature controller.
–
Master device
: At least two room temperature controllers are located in one room. One
device is to be set up as a master device, while the others are to be programmed as slave
devices / temperature sensors. The master device is to be linked to the slave devices using
the appropriately labelled communication objects. The master device regulates the
temperature.
–
Slave device
/temperature sensor: At least two room temperature controllers are located in
one room. One device is to be set up as a master device, while the others are to be
programmed as slave devices / temperature sensors. The slave devices are to be linked to
the master device with the appropriately labelled communication objects. The slave device
serves the room temperature control functions of the master.
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11.3.2
General - Control function
Options:
Heating
Heating with additional stage
Cooling
Cooling with additional stage
Heating and cooling
Heating and cooling with additional stage
–
Heating
: For operating a heat-based automatic single-room control. The temperature is
regulated to the setpoint value defined in the parameter. The "Controller type" and "Heating
type" can be programmed for optimal control.
–
Heating with additional stage
: In addition to the control function described under heating, the
additional stage enables the activation of an additional heating circuit. This type of additional
stage is used, for example, to quickly heat up a bathroom with floor heating via a heated
towel rack.
–
Cooling
: For operating a cooling-based automatic single-room control. The temperature is
regulated to the setpoint value defined in the parameter. The "Controller type" and "Cooling
type" can be programmed for optimal control.
–
Cooling with additional stage
: In addition to the control function described under cooling, the
additional stage enables the activation of an additional cooling device. This type of
additional stage is used, for example, to quickly cool a room via an added cooling device.
–
Heating and cooling
: For operating a two-wire or four-wire system used to heat or cool a
room. Switching between heating and cooling takes place using a central switch (two-wire
system) or is carried out manually and / or automatically via the single room temperature
controller (four-wire system).
