Siemens Desigo RXB Technical Manual page 412

Technical manual
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Y
Output signal.
TR
Room temperature.
SpH
Effective heating setpoint.
SpC
Effective cooling setpoint.
H
Heating sequence.
C
Cooling sequence.
Q14
Fan speed 1.
Q24
Fan speed 2.
Q34
Fan speed 3.
Functions
Function
Two-pipe fan coil..
Electric reheater.
Fan control.
Temperature measurement. – Room temperature sensor or
Room operating modes.
Setpoint shift.
General functions.
Room units.
Compatible controllers.
10/52
Siemens
Building Technologies
Change-over
Y
H
Q34
Q24
Q14
SpH
SpC
Application FNC03 includes the following functions
(refer to the description of functions CM110385 for detailed information):
Brief description)
– PI control.
– Proportional control sequence, selectable:
Only heating sequence, only cooling sequence or changeover.
– Control of thermal / electromechanic / motorized valve actuators (AC 24 V, PDM /or
AC 24 V 2-position / AC 24 V 3-position).
– Control of motorized KNX bus actuator valves.
– Valve exercising feature.
– 2-position or proportional control.
– Control: AC 24 V, 2-position or proportional.
– 1 ... 3-speed, automatic, or
– Manual with room unit.
– Return air sensor.
– Comfort, Precomfort, Economy and Protection mode..
– Change of operating mode via
window contact or central command.
– Locally via room unit or centrally.
– Presence detector.
– Window switch.
– Master/slave operation.
– Boost heating, night cooling etc.
– Free inputs/outputs.
Available with temperature sensor, setpoint adjuster,
button for
/Auto and fan speed control, and LCD display.
FNC03 is supplied with RXB22.1/FC-12.
RXB application library (KNX)
FNC03 – Two-pipe fan coil with changeover and electric reheater
10385D34
C
TR [°C]
/Auto switch on room unit, presence detector,
FNC – Fancoil-Applikationen aus FC-10, FC-11, FC-12
CM110672en_03
30.11.2007

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