HVAC equipment and measuring point (T, r.h.) are
far apart (in large spaces). Installing the thermostat
near the equipment and the sensor on the
measuring point reduces wiring costs and increases
control accuracy.
Sensor AQR25..., QMX3.P30 or QMX3.P70 supplies relative humidity and room
temperature values to the RDG2..KN.
RDG2..KN and the sensors use LTE-Mode (KNX) communication. To exchange
information (humidity or room temperature), both units must have the same
geographic zone apartment and room (A.R.1, where "A" is the value of P901 and
"R" is the value of P902 of the RDG2..KN).
This equipment combination works on a 1-to-1 basis. Values cannot be provided
from the sensor to several RDG2..KN room thermostats.
For applications in S-Mode, set the objects for humidity and room temperature of
the RDG2..KN to Receive in ETS. The thermostat then works with the values
acquired by the sensor. Default setting Transmit indicates that the RDG2..KN
provides the local room temperature and relative humidity over the bus. One
sensor sends data to several thermostats.
4.7.12 Setpoints and sequences
In changeover applications, the Comfort setpoints for heating and cooling
sequence are the same (w).
In 2-pipe applications with electric heater, the Comfort setpoint is either at the first
heating sequence (in heating mode) or at the cooling sequence (in cooling mode).
In 2-pipe applications with radiator, the Comfort setpoint is either at the radiator
sequence (in heating mode) or at the cooling sequence (in cooling mode).
The setpoints for Economy and Protection are below the Comfort setpoints (for
heating) and above the Comfort setpoints (for cooling).
They can be set via P019, P020 (Economy) and P100, P101 (Protection).
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