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 3BFNC04 – Four-pipe fan coil 2013-06-07
Ref.
Description
N1
Room controller.
R1
Room unit
B1
Return air temperature sensor, room temperature sensor.
D1
Window contact
2)
.
D2
Presence detector
2)
.
D3
Airflow monitor
Q1
1- or 3-speed fan
4)
.
Q2
Continuous fan with DC 0…10 V control
YH.1
Heating valve actuator, thermal, 2-position (PDM) control
3)
.
YH.2
Heating valve actuator, motorized, 3-position control
3)
.
YH.3
Heating valve actuator, electromechanic, 2-position control
3)
.
YH.4
Heating valve actuator DC 0…10 V
YC.1
Cooling valve actuator, thermal, 2-position (PDM) control
3)
.
YC.2
Cooling valve actuator, motorized, 3-position control
3)
.
YC.3
Cooling valve actuator, electromechanic, 2-position control
3)
.
YC.4
Cooling valve actuator DC 0…10 V
2) Type of operation (N/O or N/C) can be selected.
3) Do not exceed the max. simultaneous load on outputs Y1...Y4: 9.5 VA (see data sheet 3873).
4) Do not connect the fans in parallel (or use cut-off relays).
A current list of compatible devices is available in the Desigo RX hardware overview
(N3804).
The parameters below are available with application FNC04.
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
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 valve
0...360 s
120 s
Running time 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
List of equipment
Note
Configuration