Data Sheet for Product

7/10
Siemens Building Technologies Fan coil controller for wall mounting ACR12 CE1N3573E
HVAC Products 17.08.2001
3.5 VA max.
L
N
Q1 Q2 Q3 N Y1
3.5 VA max.
N Y10
450 VA max.
3573D08
PE
B2 M
T
B2
L
N1
M1
3
Y1 Y10
N
S1
AC 230 V / 50 Hz
DU1 GND
SELV
With 4-pipe applications (ACR12.340/ALG and ACR12.341/ALG), a return air sensor
QAH11 can be connected to terminals B2-M (S9 = off). In this case, the inbuilt
sensor is automatically deactivated.
The c/o or return air sensor input is connected with supply voltage of AC 230 V.
B2 Changeover sensor (ACR12.32x/ALG) or return air sensor (ACR12.34x/ALG)
E1 Electric heater
M1 3-speed fan
N1 ACR12.340/ALG or ACR12.341/ALG controller
N2 ACR12.320/ALG or ACR12.321/ALG controller
Q14 Control output for electric heater
S1 Window contact, occupancy detector
Y1 In N1 application, heating valve. In N2 application, cooling or heating valve
(changeover)
Y10 Cooling valve
4-pipe fan coil
!
Important:
2-pipe fan coil
+
DU1 GND
3.5 VA max.
L
PE
Q1 Q2 Q3 N Y1
12.5 A max.
N Q14
450 VA max.
3573D09
B2 M
T
B2
L
N2
M1
3
Y1 E1
N
S1
AC 230 V / 50 Hz
N
SELV