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Siemens
RXB application library (KNX)
FNC – Fancoil-Applikationen aus FC-10, FC-11, FC-12 CM110672en_
03
Building Technologies
FNC12 – Four-pipe fan coil with outside air damper
30.11.2007
Application FNC12 includes the following functions
(refer to the description of functions CM110385 for detailed information):
Function
Brief description
)
Four-pipe fan coil.
– PI control.
– Two proportional control sequences, heating and cooling.
– Control of thermal valve actuators (AC 24 V, PDM).
– Control of motorized KNX bus actuator valves.
– Outside air damper.
– Valve exercising feature.
Fan control.
– 1 ... 3-speed automatic.
– Manual with room unit.
Temperature measurement. – Room temperature sensor or
– Return air sensor.
Room operating modes.
– Comfort, Precomfort, Economy and Protection mode..
– Change of operating mode via
/Auto switch on room unit, presence detector,
window contact or central command.
Setpoint shift.
– Locally via room unit or centrally.
General functions.
– Presence detector.
– Window switch.
– Master/slave operation.
– Boost heating, night cooling.
– Free inputs / outputs
Room units.
Available with temperature sensor, setpoint adjuster,
button for
/Auto and fan speed control, and LCD display.
Compatible controllers.
FNC12 is supplied with RXB21.1/FC-11.