User Manual

Application Sheet FCU032
Fan coil unit with variable fan, heating/cooling coil (2 pipe) on triac
output and electric reheater
DXR2..09T-101A
5 / 6
Technical information in this document are subject to change. Drawings serve illustration purposes only.
Siemens is not responsible for content and any manual modifications.
2019-02-21
A6V10662233_en--_d_--_02
Application
configuration
Equipment Values/Range Template settings
On-board output Fan speed Variable speed; Y10; 0...10 V
Variable speed; Y10;
0...10 V
Enable fan speed Q14; Normally open Q14; 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