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 1BFNC02 – Two-pipe fan coil with changeover 2013-06-07
A current list of compatible devices is available in the Desigo RX hardware overview
(N3804).
The following parameters are available with application FNC02.
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
Sequences Control sequence – Heating only
– Cooling only
– Changeover
Cooling only
Actuator type heat/cool valve
– STA71 – SSA81 – SSA61
– STA72E – SSB81 – SSB61
– STE71 – SSP81 – SSP61
– STE72 – SQS81 – SSC61
– STP71
– STP72E
– Electromech. 3rd devices
– Motorized 3
rd
devices
– Thermal 3
rd
devices
– DC 0...10 V 3
rd
devices
– Motorized bus
STP72E
RXB39.1: SSP61
LTE mode Heating outp bus valve
Off/On Off
Cooling outp bus valve
Off/On Off
Motorized and electro-
mechanical actuators
Runtime
0...360 s 150 s
Motorized actuators Offset
0...360 s 0 s
Proportional actuators
Running time heating / cooling valve
0...360 s 120 s
Positioning signal max value
0...10 V
10 V
Positioning signal min value
0...10 V 0 V
Fan control 1-2-3-speed Fan speeds
– External control
– 1-speed/2-speed/3-speed
3-speed
Fan control Manual / Auto Auto
DC 0...10 V Positioning signal max fan
0...10 V 10 V
Positioning signal min fan
0...10 V 0 V
Fan speed heating max
0...100 %
100 %
Fan speed heating min
0...100 % 20 %
Fan speed cooling max
0...100 % 100 %
Fan speed cooling min
0...100 % 20 %
Fan speed Precomfort min
0...100 %
20 %
Fan speed Economy min
0...100 % 20 %
Fan speed Protection min
0...100 % 20 %
Fan start heating demand
0...100 % 100 %
Fan start cooling demand
0...100 %
100 %
Offset heating fan
0...3 K 0.0 K
Offset cooling fan
0...3 K 0.0 K
P-band Xp heating fan
0.5...5 K 1.0 K
P-band Xp cooling fan
0.5...5 K
1.0 K
Tn heating fan
0...30 min 10 min
Tn cooling fan
0...30 min 10 min
Enable fan relay
0 / 1 Enabled (1)
Note
Configuration