Operating Instructions
Table Of Contents
- RXB applications library (KNX)
- RXB – Fan coil applications from FC10, FC11, FC12, FC-13
- FNC02 - Two-pipe fan coil with changeover
- FNC03 - Two-pipe fan coil with changeover and electric reheater
- FNC04 - Four-pipe fan coil
- FNC05 - Four-pipe fan coil with electric reheater
- FNC08 - Four-pipe fan coil with room supply air cascade
- FNC10 - Two-pipe fan coil with changeover and outside air damper
- FNC12 - Four-pipe fan coil with outside air damper
- FNC18 - Two-pipe fan coil (changeover) and radiator
- FNC20 - Four-pipe fan coil, controlled by one damper
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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 2BFNC03 – Two-pipe fan coil with changeover and electric reheater 2013-06-07
The parameters below are available with application FNC03.
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
Electric heater Electric heater – 1-stage
– Modulating
Mod.
Power consumption
0...6500 W
0 W
Positioning signal max el. heater
0...10 V 10 V
Positioning signal min el. heater
0...10 V 0 V
LTE mode
Heating outp bus el heating
Off/On
Off
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)
Fan overrun time
1...10 min 1 min
Fan overrun speed min
10...100 % 20 %
Configuration