Data Sheet for Application

Application Sheet
FCU031/FCU031_H
Fan coil unit with staged fan, heating/cooling coil (2 pipe) on triac
output and electric reheater
DXR2..10-101A
5 / 7
Technical information in this document are subject to change. Drawings serve illustration purposes only.
Siemens is not responsible for content and any manual modifications.
2021-09-02
A6V10662235_en--_e_--_02
Application
configuration
Equipment
Values/Range
Template settings
On-board output
Fan speed
1-stage; Q14; Normally open
2-stage; Q14, Q24; Normally open
3-stage; Q14, Q24, Q34; Normally open
3-stage; Q14, Q24, Q34;
Normally open
Heating/cooling coil valve position
2-pipe; Y1, Y2; 3-position
2-pipe; Y3, Y4; 3-position
2-pipe; Y1; Pulse width modulation thermal
2-pipe; Y4; Pulse width modulation thermal
2-pipe; Y1; Pulse width modulation spring return
2-pipe; Y4; Pulse width modulation spring return
2-pipe; Y1, Y2; 3-position
KNX PL-Link devices
Room operator unit device 1
QMX3.P02, QMX3.P34, QMX3.P36, QMX3.P37,
QMX3.P74
QMX3.P34
Optional
configuration
Equipment
Values/Range
Template settings
On-board output
Heating coil valve position
Water; Y3, Y4; 3-position
Water; Y4; Pulse width modulation thermal
Water; Y4; Pulse width modulation spring return
Electric 1-stage; Y4; Normally open
Electric 2-stage; Y3, Y4; Normally open
Electric modulating; Y4; Pulse width modulation
constant period
Electric 1-stage; Y4;
Normally open
On-board input
Room temperature (B1)
X1; LG-Ni1000
Supply air temperature (B3)
X2; LG-Ni1000
Presence detector 2 (D2
a
)
X1, Normally open
Window contact (D1)
D1; Normally closed
Radiator overtemperature detector
(D4)
X2; Normally open
KNX PL-Link devices
Sensor device 1…4 (D2)
UP 258D12
Default values
Parameter
Values/Range
Template settings
Temperature setpoints
Cooling setpoint for Comfort
0 … 50 °C
24 °C
Delta cooling setpoint for Pre-comfort
0 … 10 K
1 K
Cooling setpoint for Economy
0 … 50 °C
35 °C
Cooling setpoint for Protection
0 … 50 °C
40 °C
Heating setpoint for Comfort
0 … 50 °C
21 °C
Delta heating setpoint for Pre-comfort
0 … 10 K
1 K
Heating setpoint for Economy
0 … 50 °C
15 °C
Heating setpoint for Protection
0 … 50 °C
12 °C
Heating coil
Enable overtemperature detector
input
Yes, No
Yes
Room operator unit
Room unit, display temperature
None
Display room temperature
Display room temperature
Room unit, display windows status
Yes, No
No
Room unit, display heat./cool. status
Yes, No
Yes
Enable operation: room temp.
setpoint
Yes, No
Yes
Room unit, room temp. setpoint
display
Absolute temperature setpoint
Relative setpoint shift
Relative setpoint shift
Enable operation: fan speed setpoint
Yes, No
Yes
Enable operation: presence button
Yes, No
No
Enable operation: temporary Comfort
Yes, No
No
Enable operation: room op. mode
Yes, No
No
Enable operation: Green Leaf
Yes, No
Yes