User Manual

7/8
Siemens Room Temperature Controllers CE1N3048en
Building Technologies 2017-11-14
Connection terminals for Use solid wires or prepared
stranded wires.
2 x 1.5 mm
2
or 1 x 2.5 mm
2
Weight RCU15 0.23 kg
Colour of housing front
white, NCSS0502
-G (RAL 9003)
*) The documents can be downloaded from http://siemens.com/bt/download
Connection terminals
G
G0
Y1
G Y2
D1 GND
3048G01
B1M
G,G0 Operating voltage AC 24 V
B1 Status input “external room temperature
sensor or return air temperature sensor”
D1,GND Status input for potential-free operating
mode changeover switch
M Measuring neutral “external room tempera-
ture sensor or return air temperature sensor”
Y1 Control signal PWM / two-position AC 24 V
Y2 Control signal PWM / two-position AC 24 V
Connection diagram
B1 External room temperature sensor (QAA32)
or return air temperature sensor (QAH11.1)
N1 Room temperature controller
S1 External operating mode changeover switch
Y1 Actuator
Y2 Actuator
General