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 3BFNC04 – Four-pipe fan coil 2013-06-07
Menu
Parameters.
Values/Range
Basic setting
Fan control 1-2-3-speed Fan speeds
– External control
– 1-speed/2-speed/3-speed
3-stufig
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)
All 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
FC-13: also Precomfort
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
Additional for RXB39.1:
Setpoint + scale setpoint shift /
Room temperature + scale
setpoint shift
Room temperature.
Setpoint display Absolute / Relative Relative
DC 0...10 V
Fan function standby
0 / 1
Disabled (0)
Fan speed user defined
0 / 1
Disabled (0)
User fan speed 3
0...100% (of Smin-Smax)
100 %
User fan speed 2
0…100% (of Smin-Smax)
50 %
User fan speed 1 0…100% (of Smin-Smax) 0 %
General functions.
Digital input 1...4
Free (bus = 1) = Contact open/closed
Free (bus = 1)
Occupancy: Occupied = Contact open/closed
= Contact closed.
Window: Window open = Contact open/closed
FC-13 only Air flow No air flow = 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
Reset setpoint offset Enabled / Disabled Disabled
Master/slave
Master/slave
Master or slave
Master