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 5BFNC08 – Four-pipe fan coil with room supply air cascade 2013-06-07
Ref.
Description
N1
Room controller.
R1
Room unit
B1 / B2
Supply air temperature sensor.
D1
Window contact
2)
.
D2
Presence detector
2)
.
D3
Air flow monitor
Q1
1- or 3-speed fan
4)
.
Q2
Continuous fan with DC 0…10 V control
YH
Heating valve actuator, motorized, 3-position control
3)
.
YH.1
Heating valve actuator DC 0…10 V
YC
Cooling valve actuator, motorized, 3-position control
3)
.
YC.1
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 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 – SSA81
– SSB81 – SSB81
– SSP81 – SSP81
– SQS81 – SSD81
– Third-party, motorized
– Third-party, DC 0…10 V
– Bus, motorized
SSP81...
RXB39.1: SSP61
LTE mode
Heating outp bus valve
Off/On Off
Cooling outp bus valve
Off/On Off
Motorized actuators
Runtime
0...360 s 150 s
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