Operating Instructions

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Siemens RXB application library (KNX) RXB – Fan coil applications from FC-10, FC-11, FC-12, FC-13 CM110672en_05
Building Technologies 7BFNC12 – Four-pipe fan coil with outside air damper 2013-06-07
The following parameters are available with application FNC12.
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
Risk of frost limit
2...10 °C
5 °C
Other setpoints Outside air supply
Outside temp min damper pos 10 °C...40°C 16 °C
Running time outside air damper 0...360 s 150 s
Minimum damper position
0...100 %
0 %
Sequences
Actuator type heat/cool valve
– STA71
– STA72E
– STE71
– STE72
– STP71
– STP72E
– Thermal 3rd party devices
– Motorized bus
STP72E
Motorized
Runtime
0...360 s 150 s
Motorized
Offset
0...360 s 0 s
LTE mode Heating outp bus valve
Off/On Off
Cooling outp bus valve
Off/On Off
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
– Room
– Return air
– Measured value only
– No sensor
No sensor
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
OT < Frost = 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
OT < Frost = 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
Rapid ventilation Enabled / Disabled Enabled
Night purge
Enabled / Disabled
Enabled
Reset setpoint offset
Enabled / Disabled
Disabled
Master/slave
Master/slave
Master or slave
Master
Configuration