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Siemens
RXB application library (KNX)
FNC – Fancoil-Applikationen aus FC-10, FC-11, FC-12 CM110672en_0
3
Building Technologies
FNC08 – Four-pipe fan coil with room supply air cascade
30.11.2007
The following parameters are available with application FNC08.
They are set via ETS, ACS, or HandyTool.
Menu
Parameters.
Values/Range
Basic setting
Communication Communication
mode
S-mode / LTE and S-mode
S-mode.
Receive
timeout
0 ... 105 min.
60 min.
Send
heartbeat
0 ... 105 min.
45 min.
Room temperature setpoints
Protection cooling setpoint
10 ... 40 °C
40 °C
Economy cooling setpoint
10 ... 40 °C
35 °C
Precomfort cooling setpoint
10 ... 40 °C
28 °C
Comfort
cooling
setpoint
10 ... 40 °C
24 °C
Comfort
heating
setpoint
10 ... 40 °C
21 °C
Precomfort heating setpoint
10 ... 40 °C
19 °C
Economy heating setpoint
10 ... 40 °C
15 °C
Protection heating setpoint
10 ... 40 °C
12 °C
Other setpoints
Maximum supply air temperature
10 ... 40 °C
35 °C
Minimum supply air temperature
10 ... 40 °C
16 °C
Sequences
Actuator type heat/cool valve
– SSA81
– SSB81
– SSP81
– SQS81
– Third-party, motorized
– Bus, motorized
SSP81...
LTE mode Heating outp bus valve
Off/On Off
Cooling outp bus valve
Off/On Off
Motorized and electromechanic Runtime
0 ... 360 s
150 s
Motorized Offset
0 ... 360 s
0 s
Fan control.
Fan speeds
– External control
– 1-speed/2-speed/3-speed
3-speed
Fan
control.
Manual / Auto
Auto
Minimum on time.
1 ... 10 min
6 min
Temperature sensor B1
Supply air (cascade)
Supply air (cascade)
Periodic fan kick Comfort
0 ... 90 min (90min = Off)
90 min (Off)
Periodic fan kick Economy
0 ... 360 min (360min = Off)
360 min (Off)
Room unit
Measured value correction
– 3 ... 3 K
0 K
Setpoint offset range
± 0 ... 10 K
± 3 K
Local
Comfort
mode
Enabled / Disabled
Enabled
Room
unit
Without LCD / with LCD
Without LCD
With LCD Display heating/cooling symbols
Enabled / Disabled
Enabled
Temperature
unit
°C or °F
°C
Standard
display
No display / Room
temperature / Setpoint
Room temperature.
Setpoint
display
Absolute / Relative
Relative
General functions.
Digital input 1
Free (bus = 1)
= Contact open/closed
Free (bus = 1)
Occupancy: Occupied
= Contact open/closed
= Contact closed.
Window:
Window open
= Contact open/closed
Digital input 2
Free (bus = 1)
= Contact open/closed
Free (bus = 1)
Occupancy: Occupied
= Contact open/closed
= Contact closed.
Window:
Window open
= Contact open/closed
Temporary Comfort mode
0 ... 360 min
60 min
On-delay occupancy detector
0 ... 90 min
5 min
Off-delay presence detector
0 ... 90 min
5 min
Central functions
Heating demand signal
Enabled / Disabled
Enabled
Cooling
demand
signal
Enabled / Disabled
Enabled
Boost
heating
Enabled / Disabled
Enabled
Precooling,
free
cooling
Enabled / Disabled
Enabled
Reset setpoint offset
Enabled / Disabled
Disabled
Master/slave Master/slave
Master or slave
Master
The room controllers can be ordered preloaded with the application described here.
When ordering, specify the quantity, DESIGO RXB device name, type code and
application group.
15
Room controllers RXB21.1 with application group FC-10
RXB21.1/FC-10
The controllers are delivered with the basic settings shown above.
Configuration
Ordering
Example
Note