User Manual

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Siemens Building Technologies Room temperature controller CE1N3025en
HVAC Products 12.06.2003
Connection terminals Use solid wires or prepared
stranded wires.
2 x 0.4-1.5 mm
2
or 1 x 2.5 mm
2
Weight 0.23 kg
Colour of housing front white, NCS S 0502-G (RAL9003)
Connection diagram
3025G01
G
B2 M
D1 GND
G0 Q1 Q2 Q3 Y10 G0
L
G, G0 Operating voltage AC 24 V for
room temperature controller
L Operating voltage AC 230 V for fan control
B2 Status input “Changeover sensor”
M Measuring neutral “Changeover sensor”
D1, GND Status input for potential-free operating mode
changeover switch
(operating action can be selected)
Q1 Control output “Fan speed I“, AC 230 V
Q2 Control output “Fan speed II'“, AC 230 V
Q3 Control output “Fan speed III'“, AC 230 V
Y10 Control output DC 0 - 10 V
Connection diagram
G
GB2M
D1
GND
Q1 Q2 Q3 G0
N
G0
IIIIII
G0
B2
S1
N1
M1
3025A01
Y10
Y1
L
N
L
B2 Changeover sensor (QAH11.1 temperature sensor)
M1 Three-speed fan
N1 RCC50.1 room temperature controller
S1 External operating mode changeover switch
Y1 Valve actuator DC 0-10 V for heating or cooling
General
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